JP6896968B2 - Absorption heat exchange system - Google Patents

Description

The present invention relates to an absorption heat exchange system, and more particularly to an absorption heat exchange system having a simplified apparatus configuration.

Among heat pumps, which are devices that draw heat from a low-temperature heat source to heat a medium to be heated, an absorption heat pump is known as a heat-driven one. As an example of utilization of the absorption heat pump, an absorption heat pump for hot water having a generator, an evaporator, a condenser and an absorber, a water-water heat exchanger, a generator, a water-water heat exchanger, and an evaporator are used in this order. There is a heat exchanger including a passing primary heat supply network conduit and a secondary heat supply network conduit passing through an absorber and a condenser and a water-water heat exchanger (see, eg, Patent Document 1).

Japanese Patent No. 5194122

Since the heat exchange device described in Patent Document 1 includes a water-water heat exchanger in addition to the absorption heat pump for hot water, the entire device has become large.

In view of the above problems, an object of the present invention is to provide an absorption heat exchange system having a simplified apparatus configuration.

In order to achieve the above object, in the absorption type heat exchange system according to the first aspect of the present invention, for example, as shown in FIG. 1, the condensation released when the vapor Vg of the refrigerant condenses into the refrigerant liquid Vf. The condensing unit 40 that raises the temperature of the fluid TS to be heated by heat; the refrigerant liquid Vf is introduced from the condensing unit 40, and the latent heat of evaporation required when the introduced refrigerant liquid Vf evaporates to become the refrigerant steam Ve is the first. The evaporation unit 20 lowers the temperature of the first heating source fluid TP by depriving the heating source fluid TP of the above; the refrigerant steam Ve is introduced from the evaporation unit 20, and the introduced refrigerant vapor Ve is absorbed by the absorbing liquid Sa. With the absorption unit 10 that raises the temperature of the fluid TS to be heated by the absorption heat released when the concentration becomes the rare solution Sw; the rare solution Sw is introduced from the absorption unit 10 and the introduced rare solution Sw is heated to make it rare. A regeneration unit that lowers the temperature of the second heating source fluid HP by removing the heat required to separate the refrigerant Vg from the solution Sw to obtain a concentrated solution Sa having an increased concentration from the second heating source fluid HP. 30; due to the absorption heat pump cycle of the absorbent Sa, Sw and the refrigerants Ve, Vf, Vg, the absorption section 10 has a lower internal pressure and temperature than the regeneration section 30, and the evaporation section 20 is lower than the condensing section 40. Is also configured to lower the internal pressure and temperature; a part of the heated fluid branched from the heated fluid TA before being introduced into the condensing section 40 and the absorbing section 10 is used as the first heating source fluid TP. It is configured to be introduced into the evaporation unit 20.

With this configuration, a part of the heated fluid branched from the heated fluid before being introduced into the condensing portion and the absorbing portion is introduced into the evaporating portion as the first heating source fluid, so that it flows out from the evaporating portion. The temperature of the first heating source fluid can be made lower than the temperature of the fluid to be heated before being introduced into the condensing part and the absorbing part to increase the amount of heat exchanged in the absorption type heat exchange system, and the first heating can be performed. The heat exchanger for the source fluid does not have to lower the temperature of the first heating source fluid, and the heat exchanger for the first heating source fluid can be omitted to simplify the device configuration.

Further, the absorption heat exchange system according to the second aspect of the present invention can be seen from the regeneration unit 30 in the absorption heat exchange system 1 according to the first aspect of the present invention, for example, with reference to FIG. At least a part of the second heating source fluid HP that has flowed out is configured to be mixed with the fluid TS to be heated that has flowed out from at least one of the condensing unit 40 and the absorbing unit 10.

With this configuration, the heat held by the second heat source fluid after being used as a heat source in the regeneration unit can be effectively used while simplifying the system configuration.

Further, the absorption type heat exchange system according to the third aspect of the present invention is shown by referring to FIG. 1, for example, in the absorption type heat exchange system 1 according to the second aspect of the present invention, from the regeneration unit 30. The temperature of the mixed heated fluid TA in which at least a part of the second heated source fluid HP that has flowed out and the heated fluid TS that has flowed out from at least one of the condensing unit 40 and the absorbing unit 10 is set to a predetermined temperature. The ratio of the flow rate of the heated fluid TS flowing into the condensing unit 40 and the absorbing unit 10 to the flow rate of the heated fluid TP flowing into the evaporating unit 20 as the first heating source fluid can be set. ..

With this configuration, the temperature of the mixed fluid to be heated can be adjusted.

Further, the absorption heat exchange system according to the fourth aspect of the present invention is condensed in the absorption heat exchange system 5 according to the second or third aspect of the present invention, for example, as shown in FIG. A part of the second heating source fluid HP branched from the second heating source fluid HP before mixing with the heated fluid TS flowing out from at least one of the portion 40 and the absorbing portion 10, and the rest after the branching. The fluid TA, which is a mixture of the second heating source fluid HP and the heated fluid TS that has flowed out from at least one of the condensing unit 40 and the absorbing unit 10, is configured to separately flow out from the absorption type heat exchange system 5. ing.

With this configuration, heat can be supplied to a plurality of locations.

Further, the absorption heat exchange system according to the fifth aspect of the present invention is, for example, as shown in FIG. 2, the absorption heat according to any one of the first to fourth aspects of the present invention. In the exchange system 2, a part of the second heat source fluid HP branched from the second heat source fluid HP flowing out from the regeneration unit 30 is introduced into the evaporation unit 20 before the first heat source fluid TP. A partial heating source fluid bypass flow path 28 is provided.

With this configuration, the temperature of the first heating source fluid flowing out of the evaporation unit can be adjusted.

Further, the absorption type heat exchange system according to the sixth aspect of the present invention is shown by referring to FIG. 2, for example, in the absorption type heat exchange system 2 according to the fifth aspect of the present invention, from the regeneration unit 30. The temperature of the mixed heated fluid TA in which at least a part of the second heated source fluid HP that has flowed out and the heated fluid TS that has flowed out from at least one of the condensing unit 40 and the absorbing unit 10 is set to a predetermined temperature. , The ratio of the flow rate of the second heating source fluid HP flowing out of the regeneration unit 30 that does not flow into the partial heating source fluid bypass flow path 28 and the flow rate that flows through the partial heating source fluid bypass flow path 28 can be set. Has been done.

With this configuration, the balance between the temperature and flow rate of the mixed fluid to be heated can be adjusted.

Further, the absorption heat exchange system according to the seventh aspect of the present invention is, for example, as shown in FIG. 4, in the absorption heat exchange system 4 according to the fifth or sixth aspect of the present invention. The second heat source fluid HP flowing through the heat source fluid bypass flow path 28 is configured to join the first heat source fluid TP before being introduced into the evaporation unit 20 after the temperature is lowered by heat utilization. Has been done.

With this configuration, in addition to the heat held by the heated fluid flowing out from the condensing section or the absorbing section, the heat held by the second heating source fluid flowing through the partial heating source fluid bypass flow path is absorbed in the heat exchange system. It can be supplied to the outside.

Further, as shown in FIG. 3, for example, the absorption heat exchange system according to the eighth aspect of the present invention has flowed out from the regeneration unit 30 in the absorption heat exchange system 3 according to the first aspect of the present invention. At least a part of the second heating source fluid HP and the heated fluid TS flowing out from the condensing portion 40 are configured to separately flow out from the absorption heat exchange system 3.

With this configuration, heat can be supplied to a plurality of locations.

According to the present invention, a part of the heated fluid branched from the heated fluid before being introduced into the condensing portion and the absorbing portion is introduced into the evaporating portion as the first heating source fluid, so that it flows out from the evaporating portion. The temperature of the first heating source fluid can be made lower than the temperature of the fluid to be heated before being introduced into the condensing part and the absorbing part to increase the amount of heat exchanged in the absorption type heat exchange system, and the first heating can be performed. The heat exchanger for the source fluid does not have to lower the temperature of the first heating source fluid, and the heat exchanger for the first heating source fluid can be omitted to simplify the device configuration.

It is a schematic system diagram of the absorption type heat exchange system which concerns on 1st Embodiment of this invention. It is a schematic system diagram of the absorption type heat exchange system which concerns on the 2nd Embodiment of this invention. It is a schematic system diagram of the absorption type heat exchange system which concerns on 3rd Embodiment of this invention. It is a schematic system diagram of the absorption type heat exchange system which concerns on 4th Embodiment of this invention. It is a schematic system diagram of the absorption type heat exchange system which concerns on 5th Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each figure, members that are the same as or correspond to each other are designated by the same or similar reference numerals, and duplicate description will be omitted.

First, the absorption heat exchange system 1 according to the first embodiment of the present invention will be described with reference to FIG. FIG. 1 is a schematic system diagram of the absorption heat exchange system 1. The absorption type heat exchange system 1 is a system that uses an absorption heat pump cycle of an absorbing liquid and a refrigerant to transfer heat from a fluid flowing in and out of a heat source equipment HSF to a fluid flowing in and out of a heat utilization equipment HCF. is there. The absorption heat exchange system 1 comprises an absorber 10, an evaporator 20, and a regenerator 30 that constitute a main device in which an absorption heat pump cycle of an absorption liquid S (Sa, Sw) and a refrigerant V (Ve, Vg, Vf) is performed. , And a condenser 40. The absorber 10, the evaporator 20, the regenerator 30, and the condenser 40 correspond to an absorption unit, an evaporation unit, a regeneration unit, and a condensing unit, respectively.

In the present specification, in order to facilitate the distinction of the absorbed liquid on the heat pump cycle, it is referred to as "rare solution Sw" or "concentrated solution Sa" depending on the properties and the position on the heat pump cycle. Etc. are collectively referred to as "absorbent solution S". Similarly, regarding the refrigerant, in order to facilitate the distinction on the heat pump cycle, "evaporator refrigerant vapor Ve", "regenerator refrigerant vapor Vg", "refrigerant liquid Vf", etc., depending on the properties and the position on the heat pump cycle, etc. However, when the properties and the like are unquestioned, they are collectively referred to as "refrigerant V". In the present embodiment, a LiBr aqueous solution is used as the absorbing liquid S (mixture of the absorbing agent and the refrigerant V), and water (H ₂ O) is used as the refrigerant V.

The absorber 10 has a heat transfer tube 12 that constitutes a flow path of the fluid TS to be heated, and a concentrated solution supply device 13 that supplies the concentrated solution Sa to the surface of the heat transfer tube 12. The heat transfer tube 12 has a heat-increasing fluid introduction pipe 51 connected to one end and a heat-increasing fluid connecting pipe 15 connected to the other end. The heat-increasing fluid introduction pipe 51 is a pipe that constitutes a flow path that guides the heat-increasing fluid TS to the heat transfer tube 12. The heating fluid introduction pipe 51 is provided with a heating fluid valve 51v for adjusting the flow rate of the heating target fluid TS flowing inside. The heating fluid connecting pipe 15 is a pipe forming a flow path for guiding the heating target fluid TS heated by the absorber 10 to the condenser 40. The absorber 10 generates heat of absorption when the concentrated solution Sa is supplied from the concentrated solution supply device 13 to the surface of the heat transfer tube 12 and the concentrated solution Sa absorbs the evaporator refrigerant vapor Ve to become a dilute solution Sw. The heat absorption target fluid TS flowing through the heat transfer tube 12 receives the absorbed heat, and the heat heating target fluid TS is heated.

The evaporator 20 has a heat source pipe 22 forming a flow path of the medium-temperature heat source fluid TP and a refrigerant liquid supply device 23 for supplying the refrigerant liquid Vf to the surface of the heat source pipe 22 inside the evaporator can body 21. doing. A medium-temperature heat source introduction pipe 52 is connected to one end of the heat source pipe 22. The medium-temperature heat source introduction pipe 52 is a pipe that constitutes a flow path that guides the medium-temperature heat source fluid TP to the heat source pipe 22. The medium-temperature heat source introduction pipe 52 is provided with a medium-temperature heat source valve 52v that regulates the flow rate of the medium-temperature heat source fluid TP flowing inside. The other end of the medium temperature heat source introduction pipe 52 is connected to the mixed fluid inflow pipe 55 together with the other end of the heating fluid introduction pipe 51. The mixed fluid inflow pipe 55 is a pipe that constitutes a flow path through which the mixed fluid TA flows. The mixed fluid TA flowing through the mixed fluid inflow pipe 55 is configured to split and flow into the heating fluid introduction pipe 51 and the medium temperature heat source introduction pipe 52. That is, the heat-enhancing target fluid TS flowed into the heating fluid introduction pipe 51 of the mixed fluid TA, and the medium-temperature heat source fluid TP flowed into the medium-temperature heat source introduction pipe 52 of the mixed fluid TA. It is a thing. A medium-temperature heat source outflow pipe 29 is connected to an end opposite to the end to which the medium-temperature heat source introduction pipe 52 of the heat source pipe 22 is connected. The medium-temperature heat source outflow pipe 29 is a pipe that constitutes a flow path that guides the medium-temperature heat source fluid TP to the outside of the evaporator 20. In the evaporator 20, the refrigerant liquid Vf is supplied from the refrigerant liquid supply device 23 to the surface of the heat source pipe 22, and the refrigerant liquid Vf around the heat source pipe 22 is evaporated by the heat of the medium-temperature heat source fluid TP flowing in the heat source pipe 22. The evaporator is configured to generate the refrigerant steam Ve. The medium temperature heat source fluid TP corresponds to the first heat source fluid.

The absorber 10 and the evaporator 20 communicate with each other. By communicating the absorber 10 and the evaporator 20, the evaporator refrigerant vapor Ve generated in the evaporator 20 can be supplied to the absorber 10.

The regenerator 30 has a heat source tube 32 for flowing a high-temperature heat source fluid HP for heating the dilute solution Sw inside, and a dilute solution supply device 33 for supplying the dilute solution Sw to the surface of the heat source tube 32. A high-temperature heat source introduction pipe 57 constituting a flow path for guiding the high-temperature heat source fluid HP to the heat source pipe 32 is connected to one end of the heat source pipe 32. One end of the high-temperature heat source outflow pipe 39 forming a flow path through which the high-temperature heat source fluid HP flowing out of the regenerator 30 flows is connected to the other end of the heat source pipe 32. In the regenerator 30, the dilute solution Sw supplied from the dilute solution supply device 33 is heated by the high-temperature heat source fluid HP, so that the refrigerant V evaporates from the dilute solution Sw to generate a concentrated solution Sa having an increased concentration. It is configured as follows. The high temperature heat source fluid HP corresponds to the second heat source fluid. The refrigerant V evaporated from the dilute solution Sw is configured to move to the condenser 40 as the regenerator refrigerant vapor Vg.

The condenser 40 has a heat transfer tube 42 through which the fluid TS to be heated flows flows inside the condenser can body 41. The heat-increasing target fluid TS flowing through the heat transfer tube 42 is the heat-increasing target fluid TS after flowing through the heat transfer tube 12 of the absorber 10. The heat transfer tube 12 of the absorber 10 and the heat transfer tube 42 of the condenser 40 are connected by a heat-increasing fluid connecting tube 15 through which the fluid TS to be heated is passed. A heating fluid outflow pipe 49 is connected to an end of the heat transfer tube 42 of the condenser 40 opposite to the end to which the heating fluid connecting pipe 15 is connected. The heating fluid outflow pipe 49 is a pipe forming a flow path that guides the heating target fluid TS to the outside of the condenser 40. The other end of the heating fluid outflow pipe 49 is connected to the mixed fluid outflow pipe 59 together with the other end of the high temperature heat source outflow pipe 39. The mixed fluid outflow pipe 59 is a pipe constituting a flow path through which the mixed fluid TA in which the high-temperature heat source fluid HP flowing through the high-temperature heat source outflow pipe 39 and the heat-increasing target fluid TS flowing through the heating fluid outflow pipe 49 merge. is there. The mixed fluid TA corresponds to the mixed fluid to be heated. The condenser 40 introduces the regenerator refrigerant steam Vg generated in the regenerator 30, and the heat of condensation released when this is condensed into the refrigerant liquid Vf is received by the heat-increasing target fluid TS flowing in the heat transfer tube 42. Then, the fluid TS to be heated is configured to be heated. The fluid TS to be heated corresponds to the fluid to be heated. The regenerator 30 and the condenser 40 are integrally formed with the can body of the regenerator 30 and the condenser can body 41 so as to communicate with each other. By communicating the regenerator 30 and the condenser 40, the regenerator refrigerant vapor Vg generated in the regenerator 30 can be supplied to the condenser 40.

The portion of the regenerator 30 in which the concentrated solution Sa is stored and the concentrated solution supply device 13 of the absorber 10 are connected by a concentrated solution tube 35 through which the concentrated solution Sa flows. The portion of the absorber 10 in which the dilute solution Sw is stored and the dilute solution supply device 33 are connected by a dilute solution tube 36 through which the dilute solution Sw flows. A solution pump 36p for pumping the dilute solution Sw is provided in the dilute solution tube 36. A solution heat exchanger 38 for exchanging heat between the concentrated solution Sa and the dilute solution Sw is provided in the concentrated solution tube 35 and the dilute solution tube 36. The portion of the condenser 40 in which the refrigerant liquid Vf is stored and the refrigerant liquid supply device 23 are connected by a refrigerant liquid pipe 45 through which the refrigerant liquid Vf flows.

In the absorption type heat exchange system 1, during steady operation, the pressure and temperature inside the absorber 10 are lower than the pressure and temperature inside the regenerator 30, and the pressure and temperature inside the evaporator 20 are the pressure and temperature inside the condenser 40. It will be lower than the internal pressure and temperature. In the absorption heat exchange system 1, the absorber 10, the evaporator 20, the regenerator 30, and the condenser 40 are configured as a first-class absorption heat pump.

The high-temperature heat source introduction pipe 57 and the medium-temperature heat source outflow pipe 29 are connected to the heat source equipment HSF in the present embodiment. The heat source equipment HSF is, for example, a temperature rise type heat pump. In the present embodiment, the heat source equipment HSF heats the medium temperature heat source fluid TP taken in from the medium temperature heat source outflow pipe 29 to raise the temperature and supplies the high temperature heat source fluid HP to the high temperature heat source introduction pipe 57. The mixed fluid outflow pipe 59 and the mixed fluid inflow pipe 55 are connected to the heat utilization facility HCF in this embodiment. The heat utilization equipment HCF uses, for example, the introduced heat for heating. In the present embodiment, the heat utilization facility HCF utilizes the heat possessed by the mixed fluid TA introduced from the mixed fluid outflow pipe 59, and takes heat from the mixed fluid TA to allow the mixed fluid TA whose temperature has dropped to flow into the mixed fluid TA. It flows out to the pipe 55.

Subsequently, with reference to FIG. 1, the operation of the absorption heat exchange system 1 will be described. First, the absorption heat pump cycle on the solution side will be described. In the absorber 10, the concentrated solution Sa is supplied from the concentrated solution supply device 13, and the supplied concentrated solution Sa absorbs the evaporator refrigerant vapor Ve that has moved from the evaporator 20. The concentration of the concentrated solution Sa that has absorbed the evaporator refrigerant vapor Ve decreases to become a dilute solution Sw. In the absorber 10, absorption heat is generated when the concentrated solution Sa absorbs the evaporator refrigerant vapor Ve. The absorbed heat heats the heat-increasing target fluid TS flowing through the heat transfer tube 12, and the temperature of the heat-increasing target fluid TS rises. The concentration of the concentrated solution Sa that has absorbed the evaporator refrigerant vapor Ve in the absorber 10 decreases to become a dilute solution Sw, which is stored in the lower part of the absorber 10. The stored dilute solution Sw is pumped to the solution pump 36p, flows through the dilute solution tube 36 toward the regenerator 30, and exchanges heat with the concentrated solution Sa in the solution heat exchanger 38 to raise the temperature, and the regenerator Up to 30.

The dilute solution Sw sent to the regenerator 30 is supplied from the dilute solution supply device 33, heated by the high-temperature heat source fluid HP flowing through the heat source tube 32, and the refrigerant in the supplied dilute solution Sw evaporates to concentrate the concentrated solution Sa. And is stored in the lower part of the regenerator 30. At this time, the temperature of the high-temperature heat source fluid HP is lowered by being deprived of heat by the dilute solution Sw. The refrigerant V evaporated from the dilute solution Sw moves to the condenser 40 as the regenerator refrigerant vapor Vg. The concentrated solution Sa stored in the lower part of the regenerator 30 reaches the concentrated solution supply device 13 of the absorber 10 via the concentrated solution pipe 35 due to the difference in internal pressure between the regenerator 30 and the absorber 10. The concentrated solution Sa flowing through the concentrated solution tube 35 exchanges heat with the dilute solution Sw in the solution heat exchanger 38, flows into the absorber 10 after the temperature drops, is supplied from the concentrated solution supply device 13, and thereafter described above. The cycle of the absorbing solution S of is repeated.

Next, the absorption heat pump cycle on the refrigerant side will be described. The condenser 40 receives the regenerator refrigerant vapor Vg evaporated by the regenerator 30, and the regenerator refrigerant vapor Vg is cooled and condensed by the heat-increasing target fluid TS flowing through the heat transfer tube 42 to become the refrigerant liquid Vf. At this time, the temperature of the heat-increasing target fluid TS rises due to the heat of condensation released when the regenerator refrigerant vapor Vg condenses. The heat-increasing target fluid TS flowing through the heat transfer tube 42 has passed through the heat transfer tube 12 of the absorber 10. The condensed refrigerant liquid Vf flows through the refrigerant liquid pipe 45 due to the difference in internal pressure between the condenser 40 and the evaporator 20 and reaches the evaporator 20. The refrigerant liquid Vf sent to the evaporator 20 is supplied from the refrigerant liquid supply device 23, is heated by the medium-temperature heat source fluid TP flowing in the heat source pipe 22, and evaporates to become the evaporator refrigerant steam Ve. At this time, the temperature of the medium-temperature heat source fluid TP is lowered by being deprived of heat by the refrigerant liquid Vf. The evaporator refrigerant vapor Ve generated in the evaporator 20 moves to the absorber 10 communicating with the evaporator 20, and thereafter, the same cycle is repeated.

Changes in temperature of the fluid to be heated and the fluid to be heated in the process in which the absorption liquid S and the refrigerant V perform the absorption heat pump cycle as described above will be described with reference to specific examples. In the mixed fluid TA at 40 ° C., which flows out of the heat utilization equipment HCF and flows through the mixed fluid inflow pipe 55, the separated heat-enhancing target fluid TS and medium-temperature heat source fluid TP are each at 40 ° C. The 40 ° C. heat-increasing target fluid TS flowing through the heat-increasing fluid introduction tube 51 obtains absorbed heat generated by the concentrated solution Sa absorbing the evaporator refrigerant vapor Ve when flowing through the heat transfer tube 12 of the absorber 10. Then, when the heating fluid connecting pipe 15 is reached, the temperature rises to 45 ° C. After that, the heat-increasing target fluid TS flowing through the heat-increasing fluid connecting tube 15 is the condensed heat released when the regenerator refrigerant vapor Vg condenses into the refrigerant liquid Vf when flowing through the heat transfer tube 42 of the condenser 40. When the heat-increasing fluid outflow pipe 49 is reached, the temperature rises to 50 ° C.

On the other hand, the medium temperature heat source fluid TP flowing through the medium temperature heat source introduction pipe 52 is deprived of heat by the refrigerant liquid Vf when flowing through the heat source pipe 22 of the evaporator 20, and reaches 30 ° C. when reaching the medium temperature heat source outflow pipe 29. The temperature drops. The medium-temperature heat source fluid TP at 30 ° C. flowing through the medium-temperature heat source outflow pipe 29 flows into the heat source equipment HSF and is heated to raise the temperature. The fluid whose temperature has risen due to being heated by the heat source equipment HSF flows out to the high temperature heat source introduction pipe 57 as a high temperature heat source fluid HP at 100 ° C. The 100 ° C. high-temperature heat source fluid HP flowing through the high-temperature heat source introduction pipe 57 is deprived of heat by the rare solution Sw when flowing through the heat source pipe 32 of the regenerator 30, and reaches 90 ° C. when reaching the high-temperature heat source outflow pipe 39. Decreases.

The 90 ° C. high-temperature heat source fluid HP flowing through the high-temperature heat source outflow pipe 39 is mixed with the 50 ° C. target fluid TS flowing through the heating fluid outflow pipe 49 to form a 60 ° C. mixed fluid TA, and the mixed fluid outflow pipe 59. Flow. In the present embodiment, the heated fluid and the heat source that enter and exit the absorption type heat exchange system 1 by mixing the high temperature heat source fluid HP of the high temperature heat source outflow pipe 39 and the heat heating target fluid TS of the heating fluid outflow pipe 49. The flow rate of the fluid is balanced. The 60 ° C. mixed fluid TA flowing through the mixed fluid outflow pipe 59 flows into the heat utilization equipment HCF and heat is utilized to lower the temperature. The mixed fluid TA whose temperature has dropped in the heat utilization equipment HCF flows out to the mixed fluid inflow pipe 55 at 40 ° C., and thereafter, the above flow is repeated.

In the absorption type heat exchange system 1, the temperature of the mixed fluid TA flowing through the mixed fluid outflow pipe 59 is a predetermined temperature (a temperature suitable for use in the heat utilization equipment HCF) by establishing the above-mentioned temperature relationship. In the embodiment, the ratio of the flow rate of the heat-increasing target fluid TS flowing through the heat-increasing fluid introduction tube 51 and the flow rate of the medium-temperature heat source fluid TP flowing through the medium-temperature heat source introduction tube 52 is determined so as to be 60 ° C.). doing. In the present embodiment, the flow rate ratio of the heat-increasing target fluid TS and the medium-temperature heat source fluid TP is approximately 5: 2. If the flow rate of the fluid TS to be heated is relatively reduced, the temperature of the fluid TS to be heated is increased, and if the flow rate of the fluid TS to be heated is increased, the temperature of the fluid TS to be heated is decreased. Here, the flow ratio of the heat-increasing target fluid TS flowing through the heating fluid introduction pipe 51 and the medium-temperature heat source fluid TP flowing through the medium-temperature heat source introduction pipe 52 is a storage device (not shown) provided in the control device (not shown). It may be set in advance in (not shown), or it may be set at any time by an input device (not shown) provided in the control device. In the present embodiment, the flow rate ratio of the heat-increasing target fluid TS and the medium-temperature heat source fluid TP is adjusted by adjusting the opening degrees of the heat-increasing fluid valve 51v and the medium-temperature heat source valve 52v. The opening degree of the heating fluid valve 51v and the medium temperature heat source valve 52v is typically adjusted automatically by a signal from the control device based on the flow rate ratio set in the control device described above. Instead, the opening may be adjusted manually. Instead of the heating fluid valve 51v and the medium temperature heat source valve 52v, a three-way valve may be provided at the connection portion between the heating fluid introduction pipe 51, the medium temperature heat source introduction pipe 52, and the mixed fluid inflow pipe 55.

An overview of the flow of the heating source fluid (high temperature heat source fluid HP, medium temperature heat source fluid TP) and the heated fluid (mixed fluid TA) entering and exiting the absorption type heat exchange system 1 described so far is an absorption type. In the heat exchange system 1, the high temperature heat source fluid HP that flows out from the heat source equipment HSF and flows into the absorption type heat exchange system 1 at 100 ° C. flows out from the absorption type heat exchange system 1 at 30 ° C. and flows into the heat source equipment HSF. The mixed fluid TA that flows out of the heat utilization facility HCF and flows into the absorption type heat exchange system 1 at 40 ° C. flows out from the absorption type heat exchange system 1 at 60 ° C. and flows into the heat utilization facility HCF. If the high-temperature heat source fluid HP and the medium-temperature heat source fluid TP that flow in and out of the heat source equipment HSF are used as the heat source fluid, and the mixed fluid TA that flows in and out of the heat utilization equipment HCF is used as the heated fluid, it is an absorption type. The heat exchange system 1 can be regarded as having a heat exchange action between the heating source fluid and the heated fluid, and the temperature of the heated source fluid into which the heated fluid flows is higher than the temperature of the heated fluid. It can be regarded as a heat exchange system that flows out after depriving the heating source fluid of the amount of heat required to cool it to a low temperature. The lower the temperature of the heat source fluid (medium temperature heat source fluid TP) flowing out from the absorption heat exchange system 1, the more heat is exchanged in the absorption heat exchange system 1, and the flow rate of the fluid to be heated (mixed fluid TA). Can be increased. Further, the flow rate of the medium temperature heat source fluid TP flowing out of the absorption heat exchange system 1 and flowing into the heat source equipment HSF is equal to the flow rate of the high temperature heat source fluid HP flowing out of the heat source equipment HSF and flowing into the absorption heat exchange system 1. The flow rate of the mixed fluid TA flowing out of the absorption heat exchange system 1 and flowing into the heat utilization device HCF is equal to the flow rate of the mixed fluid TA flowing out of the heat utilization device HCF and flowing into the absorption heat exchange system 1. In this case, it can be considered that both the heating source fluid and the heated fluid flow into and out of the absorption heat exchange system 1 as an independent system partitioned in the absorption heat exchange system 1. , It becomes clearer to see the absorption type heat exchange system 1 as a heat exchanger. As shown in the present embodiment, the medium-temperature heat source fluid TP flowing out of the absorption-type heat exchange system 1 passes through the heat source equipment HSF and is heated, and then returns to the absorption-type heat exchange system 1 as the high-temperature heat source fluid HP. It is preferable that the mixed fluid TA flowing out of the absorption heat exchange system 1 is configured to return to the absorption heat exchange system 1 after passing through the heat utilization device HCF and consuming heat.

It should be noted that the regenerator 30 does not allow the fluid flowing in and out of the heat utilization facility HCF (heated fluid) to flow and merge with the fluid flowing in and out of the heat source facility HSF (heating source fluid). When the high temperature heat source fluid HP flowing through the heat source tube 32 of the above is used as an independent system so as to flow through the heat source tube 22 of the evaporator 20, the high temperature heat source fluid HP flowing through the heat source tube 32 of the regenerator 30 is used in the evaporator 20. Before flowing into the heat source tube 22, a heat exchanger that exchanges heat with the heat-increasing target fluid TS flowing out from the absorber 10 and the condenser 40 to cool and lower the temperature is required. On the other hand, as in the present embodiment, the fluid flowing in and out of the heat utilization facility HCF (heated fluid) is split and merged with the fluid flowing in and out of the heat source facility HSF (heating source fluid). Then, the heat exchanger provided in the case of the above assumption becomes unnecessary, and the system configuration can be simplified. By eliminating the need for the heat exchanger provided in the above assumption, it is possible to avoid the temperature drop of the fluid to be heated due to the heat dissipation loss from the heat exchanger and the heat exchange temperature efficiency of less than 1, and the heat efficiency of the heat exchanger. Can be eliminated. Further, the installation space of the heat exchanger, the piping for the fluid to enter and exit the heat exchanger, and the maintenance and inspection work of the heat exchanger can be omitted. Further, in the absorption type heat exchange system 1 according to the present embodiment, heat is generated while flowing out a fluid (heated fluid) having a temperature lower than the fluid (heat source fluid) introduced from the heat source equipment HSF to the heat utilization equipment HCF. A fluid with a temperature lower than the fluid introduced from the equipment HCF (fluid to be heated) (heat source fluid) can flow out to the heat source equipment HSF, and heat can be effectively used. Absorption-type heat exchange system 1 The output of can be increased.

As described above, according to the absorption type heat exchange system 1 according to the present embodiment, the temperature of the introduced high-temperature heat source fluid HP is cooled to a temperature lower than that of the introduced mixed fluid TA, and heat is consumed. It can flow out as a medium-temperature heat source fluid TP, and the amount of heat exchanged by the absorption-type heat exchange system 1, that is, the heat output as a heat exchanger can be increased. Further, the medium-temperature heat source fluid TP heated by the evaporator 20 is branched from the inflowing mixed fluid TA, and the high-temperature heat source fluid HP that has consumed heat by the regenerator 30 has passed through the absorber 10 and the condenser 40. Since it is merged with the heat-increasing target fluid TS, the device configuration is simplified and introduced without heat exchange between the high-temperature heat source fluid HP and the heat-heating target fluid TS, that is, without providing a large heat exchanger. A medium temperature heat source fluid TP having a temperature lower than the temperature of the fluid TA can flow out. Further, the inlet / outlet temperature difference of the mixed fluid TA entering / exiting the absorption heat exchange system 1 is made smaller than the inlet / outlet temperature difference between the high temperature heat source fluid HP flowing into the absorption heat exchange system 1 and the medium temperature heat source fluid TP flowing out. Therefore, the flow rate of the mixed fluid TA that can be supplied to the heat utilization facility HCF can be increased by the amount that the temperature difference is small, and the supply range of the mixed fluid TA can be expanded.

Next, the absorption heat exchange system 2 according to the second embodiment of the present invention will be described with reference to FIG. FIG. 2 is a schematic system diagram of the absorption heat exchange system 2. The absorption heat exchange system 2 differs from the absorption heat exchange system 1 (see FIG. 1) mainly in the following points. The absorption heat exchange system 2 is provided with a high-temperature heat source bypass pipe 28 that connects the high-temperature heat source outflow pipe 39 and the medium-temperature heat source introduction pipe 52. The high-temperature heat source bypass pipe 28 is a medium-temperature heat source fluid that flows through the medium-temperature heat source introduction pipe 52 before the part of the high-temperature heat source fluid HP that flows out of the regenerator 30 and flows through the high-temperature heat source outflow pipe 39 flows into the evaporator 20. It is a pipe that joins the TP and corresponds to a partial heat source fluid bypass flow path. The high-temperature heat source bypass pipe 28 is provided with a high-temperature heat source bypass valve 28v that regulates the flow rate of the high-temperature heat source fluid HP flowing inside. On the other hand, the high-temperature heat source outflow pipe 39 on the downstream side of the connection with the high-temperature heat source bypass pipe 28 is provided with a high-temperature heat source valve 39v for adjusting the flow rate of the high-temperature heat source fluid HP flowing inside. Instead of the high temperature heat source bypass valve 28v and the high temperature heat source valve 39v, a three-way valve may be provided at the connection portion between the high temperature heat source outflow pipe 39 and the high temperature heat source bypass pipe 28. The configuration of the absorption heat exchange system 2 other than the above is the same as that of the absorption heat exchange system 1 (see FIG. 1).

The absorption heat exchange system 2 configured as described above adjusts the opening degrees of the high temperature heat source bypass valve 28v and the high temperature heat source valve 39v in addition to the action of the absorption heat exchange system 1 (see FIG. 1). A part of the high temperature heat source fluid HP flowing out of the regenerator 30 is mixed with the medium temperature heat source fluid TP before flowing into the evaporator 20. The adjustment of the opening degree of the high temperature heat source bypass valve 28v and the high temperature heat source valve 39v is typically a signal from the control device based on the flow rate ratio set in the control device (not shown) as in the absorption heat exchange system 1. Although it is automatically performed by the above, the opening degree may be adjusted manually without depending on the control device. By adjusting the flow rate of the high temperature heat source fluid HP to be mixed with the medium temperature heat source fluid TP, the temperature and flow rate of the medium temperature heat source fluid TP flowing through the medium temperature fluid outflow pipe 29 can be adjusted. Further, by adjusting the flow rate of the high-temperature heat source fluid HP to be mixed with the medium-temperature heat source fluid TP, the flow rate of the high-temperature heat source fluid HP to be mixed with the heat-increasing target fluid TS is adjusted, and the mixing flowing through the mixing fluid outflow pipe 59 is performed. The temperature and flow rate of the fluid TA can be adjusted. In the present embodiment, the flow rate of the high-temperature heat source fluid HP flowing through the high-temperature heat source bypass pipe 28 and the flow rate toward the mixed fluid outflow pipe 59 so that the temperature of the mixed fluid TA flowing through the mixed fluid outflow pipe 59 becomes a predetermined temperature. The ratio with the flow rate of the high-temperature heat source fluid HP flowing through the high-temperature heat source outflow pipe 39 is determined. If the flow rate of the high-temperature heat source fluid HP flowing through the high-temperature heat source bypass tube 28 is relatively increased, the temperature of the medium-temperature heat source fluid TP flowing through the medium-temperature heat source outflow tube 29 rises, the flow rate increases, and the heat increases. The flow rate of the high-temperature heat source fluid HP mixed with the target fluid TS decreases, the temperature of the mixed fluid TA flowing through the mixed fluid outflow pipe 59 decreases, and the flow rate decreases. On the other hand, if the flow rate of the high-temperature heat source fluid HP flowing through the high-temperature heat source bypass tube 28 is relatively reduced, the medium-temperature heat source fluid TP temperature flowing through the medium-temperature heat source outflow tube 29 decreases, the flow rate decreases, and the heat is increased. The flow rate of the high-temperature heat source fluid HP mixed with the fluid TS increases, the temperature of the mixed fluid TA flowing through the mixed fluid outflow pipe 59 rises, and the flow rate increases. By adjusting the flow rate of the high-temperature heat source fluid HP flowing through the high-temperature heat source bypass pipe 28 in this way, the temperature and flow rate of the mixed fluid TA flowing through the mixed fluid outflow pipe 59 and the medium-temperature heat source flowing through the medium-temperature heat source outflow pipe 29 The temperature and flow rate of the fluid TP can be adjusted.

Next, the absorption heat exchange system 3 according to the third embodiment of the present invention will be described with reference to FIG. FIG. 3 is a schematic system diagram of the absorption heat exchange system 3. The absorption heat exchange system 3 differs from the absorption heat exchange system 1 (see FIG. 1) mainly in the following points. The absorption heat exchange system 3 is a system that supplies fluid to two separate heat utilization facilities HCF1 and HCF2. In the absorption type heat exchange system 3, the high temperature heat source outflow pipe 39 is not connected to the heating fluid outflow pipe 49, and the mixed fluid outflow pipe 59 (see FIG. 1) is not provided. The heat-increasing fluid outflow pipe 49 is connected to the heat utilization facility HCF1 and is configured to supply the heat-enhancing target fluid TS heated by the absorber 10 and the condenser 40 to the heat utilization facility HCF1. One end of the heat-consumed fluid pipe 56 is connected to the heat utilization equipment HCF1. The heat-consumed fluid pipe 56 is a pipe that constitutes a flow path through which the heat-increasing target fluid TS whose temperature has dropped due to heat consumption in the heat utilization facility HCF1 flows. The other end of the heat-consumed fluid pipe 56 is connected to the medium-temperature heat source introduction pipe 52 and the post-split fluid pipe 53. The post-dividing fluid pipe 53 is a pipe that constitutes a flow path through which the split fluid TL flows. The split fluid TL is the remaining fluid obtained by removing the medium temperature heat source fluid TP that has been split into the medium temperature heat source introduction pipe 52 from the heat-increasing target fluid TS flowing through the heat-consumed fluid pipe 56. The post-dividing fluid pipe 53 is provided with a post-dividing fluid valve 53v that regulates the flow rate of the fluid flowing inside. The heating fluid valve 51v (see FIG. 1) is not provided. The other end of the flow-dividing fluid pipe 53 is connected to the ends of the heat-increasing fluid introduction pipe 51 and the heat-consumed fluid pipe 54, respectively. The high-temperature heat source outflow pipe 39 is connected to the heat utilization facility HCF2, and is configured to supply the high-temperature heat source fluid HP flowing out from the regenerator 30 to the heat utilization facility HCF2. One end of the heat-consumed fluid pipe 54 is connected to the heat utilization equipment HCF2. The heat-consumed fluid pipe 54 is a pipe that constitutes a flow path through which the heat-increasing target fluid TS whose temperature has dropped due to heat consumption in the heat utilization facility HCF2 flows. The other end of the heat-consumed fluid pipe 54 is connected to the ends of the heating fluid introduction pipe 51 and the flow-dividing fluid pipe 53, respectively. In the absorption type heat exchange system 3, the heat-increasing target fluid TS, which is a mixture of the diversion fluid TL flowing through the fluid pipe 53 after splitting and the high-temperature heat source fluid HP flowing through the heat-consumed fluid pipe 54, flows through the heating fluid introduction pipe 51. It has become like. The configuration of the absorption heat exchange system 3 other than the above is the same as that of the absorption heat exchange system 1 (see FIG. 1).

In the absorption heat exchange system 3 configured as described above, heat can be supplied to each of the separate heat utilization facilities HCF1 and HCF2. The heat-enhancing target fluid TS heated by the absorber 10 and the condenser 40 is supplied to the heat utilization facility HCF1, and after the heat is used by the heat utilization facility HCF1 to lower the temperature, it flows out to the heat-consumed fluid tube 56. To do. On the other hand, the high-temperature heat source fluid HP flowing out of the regenerator 30 is supplied to the heat utilization facility HCF2, and after the heat is used by the heat utilization facility HCF2 to lower the temperature, it flows out to the heat-consumed fluid tube 54. The heat-increasing target fluid TS flowing out from the heat utilization facility HCF1 to the heat-consumed fluid pipe 56 is divided into a medium-temperature heat source fluid TP flowing through the medium-temperature heat source introduction pipe 52 and a split fluid TL flowing through the fluid pipe 53 after splitting. .. The medium-temperature heat source fluid TP flowing through the medium-temperature heat source introduction pipe 52 flows into the evaporator 20 to heat the refrigerant liquid Vf, and after its own temperature drops, it enters the heat source equipment HSF via the medium-temperature heat source outflow pipe 29. Inflow. On the other hand, the split fluid TL flowing through the fluid pipe 53 after splitting flows out of the heat utilization equipment HCF2, and the high-temperature heat source fluid HP flowing through the heat-consumed fluid pipe 54 merges to become the heat-increasing target fluid TS. The heat-increasing target fluid TS flows into the absorber 10 via the heat-increasing fluid introduction pipe 51 and is heated. In the absorption heat exchange system 3, the opening degrees of the medium-temperature heat source valve 52v and the post-dividing fluid valve 53v are adjusted so that the heat-enhancing target fluid TS flowing through the heat-increasing fluid outflow pipe 49 has a predetermined temperature. In the absorption type heat exchange system 3, when the temperature of the heat-increasing target fluid TS flowing out from the heat utilization facility HCF1 is lower than the temperature of the high-temperature heat source fluid HP flowing out from the heat utilization facility HCF2, the medium-temperature heat flowing into the evaporator 20 It is preferable that the temperature of the source fluid TP is low. In this way, the two fluids of the high-temperature heat source fluid HP flowing out of the regenerator 30 and the heat-increasing target fluid TS heated by the absorber 10 and the condenser 40 can be used in different heat utilization facilities HCF2 and HCF1, respectively. .. The heat utilization equipment HCF2 for introducing the high-temperature heat source fluid HP is suitable for relatively high temperature applications, and the heat utilization equipment HCF1 for introducing the heat-increasing target fluid TS is suitable for relatively low-temperature applications.

Next, the absorption heat exchange system 4 according to the fourth embodiment of the present invention will be described with reference to FIG. FIG. 4 is a schematic system diagram of the absorption heat exchange system 4. The absorption heat exchange system 4 differs from the absorption heat exchange system 2 (see FIG. 2) mainly in the following points. In the absorption type heat exchange system 4, a part of the high temperature heat source fluid HP flowing from the high temperature heat source outflow pipe 39 into the high temperature heat source bypass pipe 28 may join the medium temperature heat source fluid TP flowing through the medium temperature heat source introduction pipe 52 as it is. Instead, it is configured to join the medium-temperature heat source fluid TP flowing through the medium-temperature heat source introduction pipe 52 after the heat is utilized by the additional heat utilization facility HCFA and the temperature drops. In the absorption heat exchange system 4, the high-temperature heat source bypass pipe 28 is divided into a high-temperature heat source bypass pipe 28A on the upstream side of the additional heat utilization equipment HCFA and a high-temperature heat source bypass pipe 28B on the downstream side of the additional heat utilization equipment HCFA. ing. The configuration of the absorption heat exchange system 4 other than the above is the same as that of the absorption heat exchange system 2 (see FIG. 2). The absorption type heat exchange system 4 configured in this way can supply heat to a plurality of heat utilization facilities HCF and HCFA, and is usually in the middle as compared with the case of the absorption type heat exchange system 2 (see FIG. 2). Since the temperature of the high-temperature heat source fluid HP flowing into the heat source introduction pipe 52 becomes low and the temperature of the medium-temperature heat source fluid TP flowing out of the evaporator 20 also becomes low, more heat exchange can be performed. Further, when the temperature of the high-temperature heat source fluid HP that has flowed out of the additional heat utilization facility HCFA is lower than the temperature of the heat-increasing target fluid TS that has flowed out of the heat utilization facility HCF, it is higher than that of the absorption type heat exchange system 1 (see FIG. 1). It is preferable that the temperature of the medium-temperature heat source fluid TP flowing into the evaporator 20 can be lowered and heat utilization can be promoted.

Next, with reference to FIG. 5, the absorption heat exchange system 5 according to the fifth embodiment of the present invention will be described. FIG. 5 is a schematic system diagram of the absorption heat exchange system 5. The absorption heat exchange system 5 differs from the absorption heat exchange system 1 (see FIG. 1) mainly in the following points. The absorption heat exchange system 5 is a system that supplies fluid to the additional heat utilization equipment HCFA separately from the heat utilization equipment HCF. The absorption type heat exchange system 5 is provided with an additional heat source introduction pipe 58A that guides a part of the high temperature heat source fluid HP flowing through the high temperature heat source outflow pipe 39 to the additional heat utilization facility HCFA. The additional heat source introduction pipe 58A is provided with an additional heat source valve 58v that regulates the flow rate of the fluid flowing inside. The high-temperature heat source outflow pipe 39 on the downstream side of the connection with the additional heat source introduction pipe 58A is provided with a high-temperature heat source valve 39v that regulates the flow rate of the fluid flowing inside. One end of the additional heat source outflow pipe 58B through which the high-temperature heat source fluid HP whose temperature has dropped due to heat being used by the additional heat utilization facility HCFA is connected to the additional heat utilization facility HCFA. The other end of the additional heat source outflow pipe 58B is connected to the heating fluid introduction pipe 51 on the downstream side of the heating fluid valve 51v, and the high temperature heat source fluid HP flowing out from the additional heat utilization facility HCFA is introduced into the heating fluid. It is configured to join the heat-increasing target fluid TS flowing through the pipe 51. The configuration of the absorption heat exchange system 5 other than the above is the same as that of the absorption heat exchange system 1 (see FIG. 1). The absorption heat exchange system 5 configured in this way can supply heat to a plurality of heat utilization facilities HCF and HCFA. When the temperature of the mixed fluid TA flowing out from the heat utilization facility HCF is lower than the temperature of the high temperature heat source fluid HP flowing out from the additional heat utilization facility HCFA, the temperature of the medium temperature heat source fluid TP flowing into the evaporator 20. Is preferable because the temperature can be lowered and heat utilization can be promoted. The heat utilization equipment HCFA for introducing the high temperature heat source fluid HP is suitable for relatively high temperature applications, and the heat utilization equipment HCF for introducing the mixed fluid TA is suitable for relatively low temperature applications.

In the above description, the fluid TS to be heated flows from the absorber 10 to the condenser 40 in series, but it may also flow from the condenser 40 to the absorber 10 in series, and the absorber 10 and the condenser It may flow in parallel to 40.

In the above description, the heating source fluid (high temperature heat source fluid HP, medium temperature heat source fluid TP) and the fluid to be heated (mixed fluid TA, fluid to be heated) are separated and merged, so that they are the same type of fluid. The fluid to be applied may be a heat medium liquid or a chemical liquid in addition to hot water. In particular, when a heat medium liquid or a chemical liquid having a boiling point higher than that of water is adopted, it may be applied up to a high temperature range without applying a high pressure to the fluid in order to suppress boiling of the fluid.

1, 2, 3, 4, 5 Absorption heat exchange system 10 Absorber 20 Evaporator 28 High temperature heat source bypass tube 30 Regenerator 40 Condenser Sa Concentrated solution Sw Rare solution HP High temperature heat source fluid TP Medium temperature heat source fluid TS Heat heating target Fluid Ve Evaporator Refrigerator Steam Vf Refrigerator Liquid Vg Regenerator Refrigerator Steam

Claims (9)

Absorption heat exchange system;
A condensing part that raises the temperature of the fluid to be heated by the heat of condensation released when the vapor of the refrigerant condenses into a refrigerant liquid;
The temperature of the first heating source fluid is obtained by introducing the refrigerant liquid from the condensing portion and removing the latent heat of vaporization required when the introduced refrigerant liquid evaporates to become refrigerant vapor from the first heating source fluid. With the evaporative part that reduces
An absorption unit that introduces the refrigerant vapor from the evaporation unit and raises the temperature of the fluid to be heated by the absorbed heat released when the absorbing liquid absorbs the introduced refrigerant vapor to form a dilute solution having a reduced concentration.
The heat required to introduce the dilute solution from the absorption unit, heat the introduced dilute solution, remove the refrigerant from the dilute solution, and obtain a concentrated solution having an increased concentration is generated from the second heating source fluid. It is equipped with a regeneration unit that lowers the temperature of the second heating source fluid by robbing it;
Due to the absorption heat pump cycle of the absorption liquid and the refrigerant, the internal pressure and temperature of the absorption unit are lower than those of the regeneration unit, and the internal pressure and temperature of the evaporation unit are lower than those of the condensing unit. Consists of;
A part of the heated fluid branched from the heated fluid before being introduced into the condensing part and the absorbing part is introduced into the evaporation part as the first heating source fluid ;
The first heating source fluid whose temperature has dropped in the evaporation section flows out to a heat source facility outside the absorption type heat exchange system, and the fluid flowing out from the heat source facility flows out as the second heating source fluid in the regeneration section. Was configured to flow into;
Absorption heat exchange system. A condensing part that raises the temperature of the fluid to be heated by the heat of condensation released when the vapor of the refrigerant condenses into a refrigerant liquid;
The temperature of the first heating source fluid is obtained by introducing the refrigerant liquid from the condensing portion and removing the latent heat of vaporization required when the introduced refrigerant liquid evaporates to become refrigerant vapor from the first heating source fluid. With the evaporative part that reduces
An absorption unit that introduces the refrigerant vapor from the evaporation unit and raises the temperature of the fluid to be heated by the absorbed heat released when the absorbing liquid absorbs the introduced refrigerant vapor to form a dilute solution having a reduced concentration.
The heat required to introduce the dilute solution from the absorption unit, heat the introduced dilute solution, remove the refrigerant from the dilute solution, and obtain a concentrated solution having an increased concentration is generated from the second heating source fluid. It is equipped with a regeneration unit that lowers the temperature of the second heating source fluid by robbing it;
Due to the absorption heat pump cycle of the absorption liquid and the refrigerant, the internal pressure and temperature of the absorption unit are lower than those of the regeneration unit, and the internal pressure and temperature of the evaporation unit are lower than those of the condensing unit. Consists of;
A part of the heated fluid branched from the heated fluid before being introduced into the condensing part and the absorbing part is introduced into the evaporation part as the first heating source fluid ;
At least a part of the second heating source fluid flowing out of the regenerating section is configured to mix with the heated fluid flowing out of at least one of the condensing section and the absorbing section;
Absorption heat exchange system. The temperature of the mixed heated fluid in which at least a part of the second heating source fluid flowing out from the regenerating portion and the heated fluid flowing out from at least one of the condensing portion and the absorbing portion is brought to a predetermined temperature. Therefore, the ratio of the flow rate of the heated fluid flowing into the condensing portion and the absorbing portion to the flow rate of the heated fluid flowing into the evaporating portion as the first heating source fluid can be set. Constructed;
The absorption heat exchange system according to claim 2. A part of the second heating source fluid branched from the second heating source fluid before mixing with the heated fluid flowing out from at least one of the condensing portion and the absorbing portion, and after the branching. A fluid obtained by mixing the remaining second heating source fluid and the fluid to be heated that has flowed out from at least one of the condensing part and the absorbing part is separately discharged from the absorbing heat exchange system. Was done;
The absorption heat exchange system according to claim 2 or 3. Partial heating that merges a part of the second heating source fluid branched from the second heating source fluid flowing out of the regeneration section with the first heating source fluid before being introduced into the evaporation section. It has a source fluid bypass flow path;
The absorption heat exchange system according to any one of claims 1 to 4. A condensing part that raises the temperature of the fluid to be heated by the heat of condensation released when the vapor of the refrigerant condenses into a refrigerant liquid;
The temperature of the first heating source fluid is obtained by introducing the refrigerant liquid from the condensing portion and removing the latent heat of vaporization required when the introduced refrigerant liquid evaporates to become refrigerant vapor from the first heating source fluid. With the evaporative part that reduces
An absorption unit that introduces the refrigerant vapor from the evaporation unit and raises the temperature of the fluid to be heated by the absorbed heat released when the absorbing liquid absorbs the introduced refrigerant vapor to form a dilute solution having a reduced concentration.
The heat required to introduce the dilute solution from the absorption unit, heat the introduced dilute solution, remove the refrigerant from the dilute solution, and obtain a concentrated solution having an increased concentration is generated from the second heating source fluid. It is equipped with a regeneration unit that lowers the temperature of the second heating source fluid by robbing it;
Due to the absorption heat pump cycle of the absorption liquid and the refrigerant, the internal pressure and temperature of the absorption unit are lower than those of the regeneration unit, and the internal pressure and temperature of the evaporation unit are lower than those of the condensing unit. Consists of;
A part of the heated fluid branched from the heated fluid before being introduced into the condensing part and the absorbing part is introduced into the evaporation part as the first heating source fluid ;
Partial heating that merges a part of the second heating source fluid branched from the second heating source fluid flowing out of the regeneration section with the first heating source fluid before being introduced into the evaporation section. It has a source fluid bypass flow path;
Absorption heat exchange system. The temperature of the mixed heated fluid in which at least a part of the second heating source fluid flowing out from the regenerating portion and the heated fluid flowing out from at least one of the condensing portion and the absorbing portion becomes a predetermined temperature. Therefore, the ratio of the flow rate of the second heating source fluid flowing out of the regenerating section to the flow rate of the second heating source fluid not flowing into the partial heating source fluid bypass flow path and the flow rate flowing through the partial heating source fluid bypass flow path can be set. It was configured as;
The absorption heat exchange system according to claim 5 or 6. The second heating source fluid flowing through the partial heating source fluid bypass flow path is merged with the first heating source fluid before being introduced into the evaporation section after the temperature is lowered by heat utilization. Constructed;
Absorption heat exchange system according to any one of claims 5 to 7. At least a part of the second heating source fluid flowing out of the regenerating section and the heated fluid flowing out of the condensing section are configured to separately flow out of the absorption heat exchange system;
The absorption heat exchange system according to claim 1.

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