CN211383863U - Novel condensing system - Google Patents
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- CN211383863U CN211383863U CN201921606798.9U CN201921606798U CN211383863U CN 211383863 U CN211383863 U CN 211383863U CN 201921606798 U CN201921606798 U CN 201921606798U CN 211383863 U CN211383863 U CN 211383863U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a novel condensing system, include: the method comprises the following steps: the system comprises a compression device, a waste heat recovery device, a heat dissipation device, a drying device, a first heat exchange device, a second heat exchange device and a vapor-liquid separation device. The waste heat recovery device has the advantages that the waste heat recovery is carried out, the waste heat of the high-temperature and high-pressure gas compressed by the compression device is effectively utilized, and the power consumption of the heat dissipation device is reduced; carrying out fractional condensation on the permeation vaporized gas; the infiltration vaporized gas directly carries out the heat transfer condensation with the refrigerant, compares with the current indirect heat transfer condensation that carries on of water or other solvents, can save equipment investment, operation energy consumption and area.
Description
Technical Field
The utility model relates to a pervaporation technical field especially relates to a be applied to novel condensing system of pervaporation membrane system.
Background
Pervaporation (PV) is a new membrane separation technology. The technology is used for separating liquid mixture, and has the outstanding advantage of realizing separation tasks which are difficult to be completed by traditional methods such as distillation, extraction, adsorption and the like with low energy consumption. It is especially suitable for the separation of the mixture with near boiling point and constant boiling point which is difficult to separate or can not be separated by common rectification; the method has obvious economic and technical advantages for removing trace water in organic solvents and mixed solvents and separating a small amount of organic pollutants in wastewater. The pervaporation membrane separation technology is to utilize the difference of solubility (thermodynamic property) and diffusivity (kinetic property) of an organic solvent and water (or different components in the solvent) in a compact membrane to enable the water (or a certain component) to permeate the membrane and then vaporize on the other side of the membrane, thereby realizing the separation process; water (or a component) is vaporized on the other side of the membrane and then needs to be condensed and discharged.
However, pervaporation membrane separation techniques suffer from several drawbacks. For example, the membrane module feed of the pervaporation system needs to be heated to a specific temperature, and energy is consumed. The gas vaporized at the other side of the membrane module of the pervaporation system needs to be condensed, and the heat emitted by the condenser in the process of refrigeration cycle by the condensing equipment is directly discharged into the atmosphere, so that the heat is lost, and the thermal pollution is caused.
In addition, the permeation of the mixed gas on the vacuum side of the pervaporation membrane module is a problem in the prior art how to realize the high-efficiency recovery of the target substance.
Therefore, there is a need for a new condensing system for pervaporation membrane systems that provides for heat recovery during the refrigeration cycle, improves condensing efficiency and target recovery, and reduces energy consumption and footprint.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel condensing system and condensation method to not enough among the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a novel condensing system is applied to a pervaporation membrane system, comprising:
a compression device;
the waste heat recovery device is communicated with the compression device through a pipeline, and a first valve is arranged on the pipeline which is communicated with the waste heat recovery device and the compression device;
the heat dissipation equipment is respectively communicated with the compression equipment and the waste heat recovery equipment through a pipeline, and a second valve is arranged on the pipeline;
the drying equipment is communicated with the heat dissipation equipment through a pipeline;
the first heat exchange equipment is communicated with the drying equipment through a pipeline, and a third valve and a first expansion valve are arranged on the pipeline;
the second heat exchange equipment is respectively communicated with the drying equipment and the first heat exchange equipment through pipelines, and a fourth valve and a second expansion valve are arranged on the pipeline communicated with the second heat exchange equipment and the drying equipment;
and the gas-liquid separation equipment is respectively communicated with the compression equipment, the first heat exchange equipment and the second heat exchange equipment through pipelines.
Preferably, the waste heat recovery apparatus includes:
a feed inlet;
a feed outlet in communication with the feed inlet to form a feed line;
the first refrigerant inlet is communicated with the compression equipment through a pipeline, and the first valve is arranged on the pipeline;
the first refrigerant outlet is communicated with the first refrigerant inlet to form a first refrigerant pipeline, and the first refrigerant outlet is communicated with the heat dissipation equipment through a pipeline;
the feed line is not in communication with the first refrigerant line.
Preferably, the heat dissipating apparatus includes:
a fan disposed at the heat sink;
the second refrigerant inlet is communicated with the compression equipment through a pipeline, the second valve is arranged on the pipeline, and the second refrigerant inlet is communicated with the first refrigerant outlet through a pipeline;
and the second refrigerant outlet is communicated with the second refrigerant inlet to form a second refrigerant pipeline, and the second refrigerant outlet is communicated with the drying equipment through a pipeline.
Preferably, the first heat exchange device comprises:
a pervaporation gas first inlet;
the first pervaporation gas outlet is communicated with the first pervaporation gas inlet to form a first pervaporation gas pipeline;
the third refrigerant inlet is communicated with the drying equipment through a pipeline, and the third valve and the first expansion valve are arranged on the pipeline;
a third refrigerant outlet communicated with the third refrigerant inlet to form a third refrigerant line, the third refrigerant outlet being communicated with the vapor-liquid separation device through a line;
the pervaporation gas first line is not communicated with the refrigerant third line.
Preferably, the second heat exchange device comprises:
a second inlet for permeate boil-off gas;
the pervaporation gas second outlet is communicated with the pervaporation gas second inlet to form a pervaporation gas second pipeline, and the pervaporation gas second outlet is communicated with the pervaporation gas first inlet through a pipeline;
the fourth refrigerant inlet is communicated with the drying equipment through a pipeline, and the fourth valve and the second expansion valve are arranged on the pipeline;
a refrigerant fourth outlet communicated with the refrigerant fourth inlet to form a refrigerant fourth pipeline, and the refrigerant fourth outlet is communicated with the vapor-liquid separation device through a pipeline;
the pervaporation gas second pipe is not communicated with the refrigerant fourth pipe.
Preferably, the method further comprises the following steps:
and the high-low pressure liquid storage equipment is communicated with the heat dissipation equipment and the drying equipment through pipelines respectively.
Preferably, the method further comprises the following steps:
and the evaporation pressure regulating valve is arranged on a pipeline for communicating the second heat exchange equipment with the vapor-liquid separation equipment.
Preferably, the evaporation pressure regulating valve is arranged on a pipeline for communicating the fourth refrigerant outlet of the second heat exchange device with the vapor-liquid separation device.
Preferably, the method further comprises the following steps:
the first temperature sensor is arranged on the first heat exchange equipment;
the second temperature sensor is arranged on the second heat exchange equipment;
a third temperature sensor disposed at the waste heat recovery device;
a fourth temperature sensor disposed at the heat sink.
Preferably, said first temperature sensor is disposed at said permeate boil-off gas first outlet of said first heat exchange means.
Preferably, said second temperature sensor is disposed at said permeate boil-off gas second outlet of said second heat exchange means.
Preferably, the third temperature sensor is arranged at the feeding inlet of the waste heat recovery device.
Preferably, the fourth temperature sensor is disposed at the refrigerant second inlet of the heat sink.
Preferably, the method further comprises the following steps:
and the sight glass equipment is arranged on a pipeline communicated with the drying equipment and the first heat exchange equipment and the second heat exchange equipment respectively.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the novel condensing system of the utility model recovers waste heat, effectively utilizes the waste heat of high-temperature and high-pressure gas compressed by the compression equipment, and reduces the power consumption of the heat dissipation equipment; carrying out fractional condensation on the permeation vaporized gas; the infiltration vaporized gas directly carries out the heat transfer condensation with the refrigerant, compares with the current indirect heat transfer condensation that carries on of water or other solvents, can save equipment investment, operation energy consumption and area.
Drawings
Fig. 1 is a schematic diagram of an exemplary embodiment of the present invention.
Wherein the reference numerals are: the system comprises a compression device 1, a first valve 2, a second valve 3, a waste heat recovery device 4, a heat dissipation device 5, a fan 6, a high-low pressure liquid storage device 7, a drying device 8, a sight glass device 9, a third valve 9, a first expansion valve 11, a first temperature sensor 12, a first heat exchange device 13, a fourth valve 14, a second expansion valve 15, a second temperature sensor 16, a second heat exchange device 17, an evaporation pressure adjusting valve 18, a vapor-liquid separation device 19, a third temperature sensor 20 and a fourth temperature sensor 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Example 1
Novel condensing system
The utility model discloses an exemplary embodiment, as shown in FIG. 1, a novel condensing system, including compression equipment 1, waste heat recovery equipment 4, heat radiation equipment 5, drying equipment 8, first heat transfer equipment 13, second heat transfer equipment 17 and vapour-liquid separation equipment 19, compression equipment 1 respectively with waste heat recovery equipment 4, heat radiation equipment 5 and vapour-liquid separation equipment 19 pass through the pipeline intercommunication, waste heat recovery equipment 4 passes through the pipeline intercommunication with heat radiation equipment 5, drying equipment 8 respectively with heat radiation equipment 5, first heat transfer equipment 13 and second heat transfer equipment 17 pass through the pipeline intercommunication, vapour-liquid separation equipment 19 respectively with first heat transfer equipment 13, second heat transfer equipment 17 and compression equipment 1 pass through the pipeline intercommunication.
The compression apparatus 1 includes a compression inlet provided at a lower portion of the compression apparatus 1 and a compression outlet provided at an upper portion of the compression apparatus 1.
Further, the compression apparatus 1 is a compressor.
The waste heat recovery device 4 comprises a feeding inlet, a feeding outlet, a first refrigerant inlet and a first refrigerant outlet, the feeding inlet and the first refrigerant outlet are arranged at the lower part of the waste heat recovery device 4, the feeding outlet and the first refrigerant inlet are arranged at the upper part of the waste heat recovery device 4, the feeding inlet and the feeding outlet are communicated through pipelines to form a feeding pipeline, the first refrigerant inlet and the first refrigerant outlet are communicated through pipelines to form a first refrigerant pipeline, and the feeding pipeline is not communicated with the first refrigerant pipeline.
The first refrigerant inlet is communicated with the compression outlet of the compression device 1 through a pipeline, and the first refrigerant outlet is communicated with the heat dissipation device 5 through a pipeline.
A first valve 2 is arranged on a pipeline for communicating the first inlet and the compression outlet of the refrigerant.
Further, the first valve 2 is a solenoid valve.
Further, a third temperature sensor 20 is disposed at the feeding inlet of the waste heat recovery apparatus 4 for detecting the feeding temperature.
The heat dissipation device 5 comprises an air inlet, an air outlet, a second refrigerant inlet and a second refrigerant outlet, wherein the air inlet and the second refrigerant inlet are arranged at the lower part of the heat dissipation device 5, the air outlet and the second refrigerant outlet are arranged at the upper part of the heat dissipation device 5, the air inlet and the air outlet are communicated to form an air pipeline, the second refrigerant inlet and the second refrigerant outlet are communicated to form a second refrigerant pipeline, and the air pipeline is not communicated with the second refrigerant pipeline.
The second inlet of the refrigerant is communicated with the compression outlet of the compression device 1 through a pipeline, the second inlet of the refrigerant is communicated with the first outlet of the refrigerant of the waste heat recovery device 4 through a pipeline, and the second outlet of the refrigerant is communicated with the drying device 8 through a pipeline.
A second valve 3 is provided in a line communicating the second refrigerant inlet with the compression outlet.
Further, the heat dissipating apparatus 5 further includes a fan 6, the fan 6 being disposed at an upper portion of the heat dissipating apparatus 5, and cool air is introduced from the air inlet and warm air is discharged from the air outlet by the fan 6.
Further, the second valve 3 is a solenoid valve.
Further, a fourth temperature sensor 21 is provided at a refrigerant second inlet position of the heat radiating apparatus 5 for detecting the temperature of the third refrigerant.
The drying device 8 comprises a drying inlet and a drying outlet, the drying inlet is communicated with the second outlet of the refrigerant of the heat dissipation device 5 through a pipeline, and the drying outlet is respectively communicated with the first heat exchange device 13 and the second heat exchange device 17 through pipelines.
Further, the drying device 8 is a dryer.
Further, novel condensing system still includes high-low pressure stock solution equipment 7, and high-low pressure stock solution equipment 7 passes through the pipeline intercommunication with heat radiation equipment 5 and drying equipment 8 respectively.
The high-low pressure liquid storage device 7 comprises a liquid storage inlet and a liquid storage outlet, the liquid storage inlet is communicated with a second refrigerant outlet of the heat dissipation device 5 through a pipeline, and the liquid storage outlet is communicated with a drying inlet of the drying device 8 through a pipeline.
First heat exchange equipment 13 includes the first import of infiltration boil-off gas, the first export of infiltration boil-off gas, refrigerant third import and refrigerant third export, the first import of infiltration boil-off gas sets up the lower part at first heat exchange equipment 13, the first export of infiltration boil-off gas sets up the upper portion at first heat exchange equipment 13, the refrigerant third import sets up the top at first heat exchange equipment 13, the refrigerant third export sets up the bottom at first heat exchange equipment 13, the first import of infiltration boil-off gas and the first export intercommunication of infiltration boil-off gas are in order to form the first pipeline of infiltration boil-off gas, refrigerant third import and refrigerant third export intercommunication are in order to form the refrigerant third pipeline, the first pipeline of infiltration boil-off gas and refrigerant third pipeline do not communicate.
The third inlet of the refrigerant is communicated with the drying outlet of the drying device 8 through a pipeline, the third outlet of the refrigerant is communicated with the vapor-liquid separation device 19 through a pipeline, and the first inlet of the permeation vaporization gas is communicated with the second heat exchange device 17 through a pipeline.
And a third valve 9 and a first expansion valve 11 are sequentially arranged on a pipeline communicated with the third inlet and the dry outlet of the refrigerant, wherein the third valve 9 is arranged at the upstream of the pipeline, and the first expansion valve 11 is arranged at the downstream of the pipeline.
A first temperature sensor 12 is provided at the first outlet position of the permeated boil-off gas.
Further, the third valve 9 is a solenoid valve.
Second heat exchange equipment 17 includes the gaseous second import of infiltration vaporization, the gaseous second export of infiltration vaporization, refrigerant fourth import and refrigerant fourth export, the gaseous second import of infiltration vaporization sets up the lower part at second heat exchange equipment 17, the gaseous second export of infiltration vaporization sets up the upper portion at second heat exchange equipment 17, the refrigerant fourth import sets up the top at second heat exchange equipment 6, the refrigerant fourth export sets up the bottom at second heat exchange equipment 17, the gaseous second import of infiltration vaporization and the gaseous second export intercommunication of infiltration vaporization are in order to form the gaseous first pipeline of infiltration vaporization, the refrigerant fourth import communicates with the refrigerant fourth export in order to form the refrigerant fourth pipeline, the gaseous second pipeline of infiltration vaporization and the refrigerant fourth pipeline do not communicate.
The fourth inlet of the refrigerant is communicated with the drying outlet of the drying device 8 through a pipeline, the fourth outlet of the refrigerant is communicated with the vapor-liquid separation device 19 through a pipeline, and the second outlet of the permeation vaporization gas is communicated with the first inlet of the permeation vaporization gas of the second heat exchange device through a pipeline.
A fourth valve 14 and a second expansion valve 15 are sequentially arranged on a pipeline for communicating the fourth inlet of the refrigerant with the drying outlet, wherein the fourth valve 12 is arranged at the upstream of the pipeline, and the second expansion valve 15 is arranged at the downstream of the pipeline.
A second temperature sensor 16 is provided at the second outlet position of the permeated boil-off gas.
Further, the fourth valve 14 is a solenoid valve.
Further, novel condensing system still includes sight glass equipment 9, and sight glass equipment 9 sets up on drying equipment 8 respectively with first indirect heating equipment 13 and the pipeline of second indirect heating equipment 17 intercommunication.
Specifically, the drying outlet of the drying device 8 is communicated with a main pipeline, the main pipeline is respectively communicated with two branch pipelines, one branch pipeline is communicated with the first heat exchange device 13, the other branch pipeline is communicated with the second heat exchange device 17, the sight glass device 9 is arranged on the main pipeline, the third valve 9 and the first expansion valve 11 are arranged on one branch pipeline, and the fourth valve 14 and the second expansion valve 15 are arranged on the other branch pipeline.
The vapor-liquid separation device 19 comprises a separation inlet and a separation outlet, the separation inlet is respectively communicated with the third outlet of the refrigerant of the first heat exchange device 13 and the fourth outlet of the refrigerant of the second heat exchange device 17 through pipelines, and the separation outlet is communicated with the compression inlet of the compression device 1 through a pipeline.
Further, the novel condensing system further comprises an evaporation pressure regulating valve 18, and the evaporation pressure regulating valve 18 is arranged on a pipeline which is communicated with the second heat exchange device 17 and the vapor-liquid separation device 19.
Further, the first valve 2, the second valve 3, the third valve 9, the fourth valve 14 and the compression apparatus 1 are controlled by the PLC.
The condensation method of the novel condensation system comprises the following steps:
step S1, under the action of the permeated vaporized gas, the first heat exchange device 13 and the second heat exchange device 17 vaporize the refrigerant to obtain a first refrigerant, and the first refrigerant is conveyed to the vapor-liquid separation device 19 through a pipeline;
step S2, the vapor-liquid separation device 19 performs vapor-liquid separation on the first refrigerant to obtain a second refrigerant, and the second refrigerant is sent to the compression device 1 through a pipeline;
step S3, the compression device 1 compresses the second refrigerant to obtain a third refrigerant, and the third refrigerant is sent to the heat dissipation device 5 and the waste heat recovery device 4 through a pipeline;
step S4, after the third refrigerant is subjected to combined processing by the heat dissipation device 5 and the waste heat recovery device 4, a fourth refrigerant is obtained, and the fourth refrigerant is conveyed to the drying device 8 through a pipeline;
in step S5, the drying device 8 dries the fourth refrigerant to obtain a refrigerant, and the refrigerant is sent to the first heat exchange device 13 and the second heat exchange device 17 through the pipeline.
Further, step S110, opening the third valve 10 and the fourth valve 14, allowing the refrigerant to pass through the first expansion valve 11 and the second expansion valve 15 and then enter the first heat exchange device 13 and the second heat exchange device 17, and allowing the permeated vaporized gas to enter the second heat exchange device 17 and the first heat exchange device 13 in sequence and exchange heat with the refrigerant;
step S120, detecting a first temperature of the pervaporation gas at the first vaporization gas outlet of the first heat exchange device 13 through the first temperature sensor 12, and detecting a second temperature of the pervaporation gas at the second vaporization gas outlet of the second heat exchange device 17 through the second temperature sensor 16;
step S130, comparing the first temperature with a first preset value, and comparing the second temperature with a second preset value:
if the first temperature is higher than the first preset value, the third valve 10 is opened, and if the first temperature is equal to the first preset value, the third valve 10 is closed;
if the second temperature is higher than the second preset value, the fourth valve 14 is opened, and if the second temperature is equal to the second preset value, the fourth valve 14 is closed;
if the first temperature and the second temperature are equal to the first preset value and the second preset value, respectively, the third valve 10, the fourth valve 14 and the compression device are closed.
Further, the first preset value is greater than the second preset value.
Further, in step S110, the following steps are included:
step S111, adjusting the first expansion valve 11 and the second expansion valve 15 to make the temperature of the refrigerant entering the first heat exchange device 13 lower than the temperature of the refrigerant entering the second heat exchange device 17;
step S112, in the second heat exchange device 17, the refrigerant exchanges heat with the permeated vaporized gas to obtain a first refrigerant, and in the first heat exchange device 13, the refrigerant exchanges heat with the permeated vaporized gas to obtain a first refrigerant;
step S113, the pressure of the first refrigerant output by the second heat exchange device 17 is adjusted by the evaporation pressure adjusting valve 18, and the first refrigerant output by the second heat exchange device 17 is mixed with the first refrigerant output by the first heat exchange device 13 and then is conveyed to the vapor-liquid separation device through a pipeline.
Further, in step S4, the following steps are included:
s410, feeding the feed of the pervaporation system into a waste heat recovery device 4, and feeding air into a heat dissipation device 5;
step S420, detecting a third temperature of the feeding material through a third temperature sensor 20;
step S430, comparing the third temperature with a third preset value:
if the third temperature is lower than a third preset value, the first valve 2 is opened, the second valve 3 is closed, the third refrigerant sequentially enters the waste heat recovery device 4 and the heat dissipation device 5, the third refrigerant sequentially exchanges heat with the feeding material and the air to obtain a fourth refrigerant, and the fourth refrigerant is conveyed to the drying device 8 through a pipeline;
if the third temperature is higher than a third preset value, the second valve 3 is opened, the first valve 2 is closed, the third refrigerant enters the heat dissipation device 5, the third refrigerant exchanges heat with air to obtain a fourth refrigerant, and the fourth refrigerant is conveyed to the drying device 8 through a pipeline;
step S440 of detecting a fourth temperature of the third refrigerant at the second refrigerant inlet of the heat radiating apparatus 5 by the fourth temperature sensor 21;
step S450, comparing the fourth temperature with a fourth preset value:
if the fourth temperature is higher than a fourth preset value, starting a fan 6 of the heat dissipation device 5, carrying out heat exchange on the third refrigerant and air to obtain a fourth refrigerant, and conveying the fourth refrigerant to a drying device 8 through a pipeline;
if the fourth temperature is lower than the fourth preset value, the fan 6 of the heat dissipation device 5 is turned off, and the third refrigerant is delivered to the drying device 8 through the pipeline without exchanging heat with air.
Further, in step S4, the fourth refrigerant is delivered to the high-low pressure liquid storage device 7 through a pipeline, and the high-low pressure liquid storage device 7 delivers the fourth refrigerant to the drying device 8 through a pipeline.
Further, in step S4, the third refrigerant is delivered to the high-low pressure liquid storage device 7 through a pipeline, and the high-low pressure liquid storage device 7 delivers the third refrigerant to the drying device 8 through a pipeline.
The utility model has the advantages that the high-pressure gas treated by the compressor exchanges heat with the feed of the pervaporation system, thereby realizing waste heat recovery and reducing the power consumption of the heat dissipation equipment; the refrigerant is directly subjected to heat exchange condensation with the permeation vaporization gas, the first heat exchange equipment and the second heat exchange equipment are utilized to carry out fractional condensation, the low-boiling-point gas is firstly condensed, and the high-boiling-point gas is then condensed, so that the recycling of the high-purity organic liquid is realized.
Example 2
This embodiment does the utility model discloses a novel condensing system's practical application.
Adding certain wastewater containing 10% of N, N Dimethylformamide (DMF) into a feeding tank of an pervaporation membrane system, starting a feeding circulating pump, a heater and a novel condensing system, heating the feeding temperature to 50 ℃ by electric heating and condensation waste heat recovery, then closing the electric heating, and realizing that the feeding temperature is maintained at 50 ℃ by waste heat recovery and heat preservation; the first-stage condensation temperature (second heat exchange equipment 17) of the novel condensation system is set to be 10 ℃, the second-stage condensation temperature (first heat exchange equipment 13) is set to be 0 ℃, then a vacuum pump is started, DMF permeates through the pervaporation membrane and is recovered through condensation, the DMF content of the first-stage condensate reaches 50%, the DMF content of the second-stage condensate is 5%, and the DMF returns to the feeding tank again for further pervaporation.
Through the technical scheme, the energy consumption is reduced by 30%, the DMF recovery rate reaches 80%, and the condensation efficiency reaches 95%.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A novel condensing system is applied to a pervaporation membrane system, and is characterized by comprising:
a compression device;
the waste heat recovery device is communicated with the compression device through a pipeline, and a first valve is arranged on the pipeline which is communicated with the waste heat recovery device and the compression device;
the heat dissipation equipment is respectively communicated with the compression equipment and the waste heat recovery equipment through a pipeline, and a second valve is arranged on the pipeline;
the drying equipment is communicated with the heat dissipation equipment through a pipeline;
the first heat exchange equipment is communicated with the drying equipment through a pipeline, and a third valve and a first expansion valve are arranged on the pipeline;
the second heat exchange equipment is respectively communicated with the drying equipment and the first heat exchange equipment through pipelines, and a fourth valve and a second expansion valve are arranged on the pipeline communicated with the second heat exchange equipment and the drying equipment;
and the vapor-liquid separation equipment is respectively communicated with the compression equipment, the first heat exchange equipment and the second heat exchange equipment through pipelines.
2. The novel condensing system of claim 1, characterized in that said waste heat recovery device comprises:
a feed inlet;
a feed outlet in communication with the feed inlet to form a feed line;
the first refrigerant inlet is communicated with the compression equipment through a pipeline, and the first valve is arranged on the pipeline;
the first refrigerant outlet is communicated with the first refrigerant inlet to form a first refrigerant pipeline, and the first refrigerant outlet is communicated with the heat dissipation equipment through a pipeline;
the feed line is not in communication with the first refrigerant line.
3. The novel condensing system of claim 2, wherein said heat sink apparatus comprises:
a fan disposed at the heat sink;
the second refrigerant inlet is communicated with the compression equipment through a pipeline, the second valve is arranged on the pipeline, and the second refrigerant inlet is communicated with the first refrigerant outlet through a pipeline;
and the second refrigerant outlet is communicated with the second refrigerant inlet to form a second refrigerant pipeline, and the second refrigerant outlet is communicated with the drying equipment through a pipeline.
4. The novel condensing system of claim 1, wherein said first heat exchange means comprises:
a pervaporation gas first inlet;
the first pervaporation gas outlet is communicated with the first pervaporation gas inlet to form a first pervaporation gas pipeline;
the third refrigerant inlet is communicated with the drying equipment through a pipeline, and the third valve and the first expansion valve are arranged on the pipeline;
a third refrigerant outlet communicated with the third refrigerant inlet to form a third refrigerant line, the third refrigerant outlet being communicated with the vapor-liquid separation device through a line;
the pervaporation gas first line is not communicated with the refrigerant third line.
5. The novel condensing system of claim 4, wherein said second heat exchange means comprises:
a second inlet for permeate boil-off gas;
the pervaporation gas second outlet is communicated with the pervaporation gas second inlet to form a pervaporation gas second pipeline, and the pervaporation gas second outlet is communicated with the pervaporation gas first inlet through a pipeline;
the fourth refrigerant inlet is communicated with the drying equipment through a pipeline, and the fourth valve and the second expansion valve are arranged on the pipeline;
a refrigerant fourth outlet communicated with the refrigerant fourth inlet to form a refrigerant fourth pipeline, and the refrigerant fourth outlet is communicated with the vapor-liquid separation device through a pipeline;
the pervaporation gas second pipe is not communicated with the refrigerant fourth pipe.
6. The novel condensing system of claim 4, further comprising:
a first temperature sensor disposed at the permeate boil-off gas first outlet of the first heat exchange means.
7. The novel condensing system of claim 5, further comprising:
a second temperature sensor disposed at the permeate boil-off gas second outlet of the second heat exchange means.
8. The novel condensing system of claim 2, further comprising:
and the third temperature sensor is arranged at the feeding inlet of the waste heat recovery device.
9. The novel condensing system of claim 3, further comprising:
a fourth temperature sensor disposed at the refrigerant second inlet of the heat sink.
10. The novel condensing system of claim 1, further comprising:
the high-low pressure liquid storage equipment is respectively communicated with the heat dissipation equipment and the drying equipment through pipelines;
the sight glass equipment is arranged on a pipeline which is communicated with the drying equipment and the first heat exchange equipment and the second heat exchange equipment respectively;
and the evaporation pressure regulating valve is arranged on a pipeline for communicating a fourth outlet of the refrigerant of the second heat exchange device with the vapor-liquid separation device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921606798.9U CN211383863U (en) | 2019-09-25 | 2019-09-25 | Novel condensing system |
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| CN201921606798.9U CN211383863U (en) | 2019-09-25 | 2019-09-25 | Novel condensing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538480A (en) * | 2019-09-25 | 2019-12-06 | 上海电气集团股份有限公司 | condensing system and condensing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538480A (en) * | 2019-09-25 | 2019-12-06 | 上海电气集团股份有限公司 | condensing system and condensing method |
| CN110538480B (en) * | 2019-09-25 | 2024-09-17 | 上海电气集团股份有限公司 | Condensing system and condensing method |
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