CN208794780U - A kind of refrigerating circulatory device - Google Patents
A kind of refrigerating circulatory device Download PDFInfo
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- CN208794780U CN208794780U CN201821533170.6U CN201821533170U CN208794780U CN 208794780 U CN208794780 U CN 208794780U CN 201821533170 U CN201821533170 U CN 201821533170U CN 208794780 U CN208794780 U CN 208794780U
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Abstract
The utility model provides a kind of refrigerating circulatory device, including, compressor, condenser, the first gas-liquid separator, the second gas-liquid separator, evaporator, first throttle mechanism, second throttle body, absorber, desorption device, solution pump；Refrigerating circulatory device described in the utility model can effectively ensure to be capable of again while system good flame retardation effect the system of safeguards system operating pressure, further improve the safety of system.
Description
Technical field
The utility model relates to refrigeration technology field, in particular to a kind of refrigerating circulatory device.
Background technique
In the prior art, many flammable refrigerants uses and CO2Mixed scheme can to reduce or completely eliminate
Combustion property；But due to CO2It is nonpolar molecule, biggish temperature glide, coefficient of refrigerating performance can be generated by mixing with polarity refrigerant
(COP, Coefficient Of Performance) is lower, and CO2Few flame retardant effect of mixing is unobvious, the more and meeting of mixing
The operating pressure of raising system, therefore there is presently no the devices that a kind of good flame retardation effect is capable of safeguards system operating pressure again.
Utility model content
In view of this, the utility model is directed to a kind of refrigerating circulatory device, to solve CO2Few flame retardant effect of mixing
It is unobvious, the problem of operating pressures more and that system can be improved of mixing.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of refrigerating circulatory device, including, compressor, the first gas-liquid separator, the second gas-liquid separator, steams condenser
Send out device, first throttle mechanism, second throttle body, absorber, desorption device, solution pump；
The compressor, cooling/condenser, first throttle mechanism, evaporator are sequentially connected circlewise, refrigeration is formed and follows
Ring；
First gas-liquid separator is set between the condenser and the first throttle mechanism；First gas-liquid
The liquid outlet end of separator connects the first throttle mechanism；
The gas outlet end of first gas-liquid separator connects one end of the absorber；The absorber, the second section
Stream mechanism, desorption device are sequentially connected；
The outlet end of the desorption device connects second gas-liquid separator, and the gas outlet end of the gas-liquid separator connects
Connect the import of the compressor；The liquid outlet end of second gas-liquid separator connects the input end of the solution pump, described
The outlet end of solution pump connects the liquid-inlet end of the absorber.
Further, the absorber includes the first internal exchanger, weak solution spray equipment, gas sparging device；Institute
The top that weak solution spray equipment is located at first internal exchanger is stated, the gas sparging device is located at the first internal heat
The lower section of device, the gas sparging device are connect with the gas vent of first gas-liquid separator.
Further, the desorption device further includes one second internal exchanger.
The further desorption device is additionally provided with a liquid outlet end, is suitable for discharge liquid；The liquid outlet end and institute
The import for stating solution pump is connected.
It further, further include Intermediate Heat Exchanger, the Intermediate Heat Exchanger is arranged in the absorber and second section
After flowing concentrated solution and the solution pump boosting for absorbing the absorber between mechanism and between the absorber and solution pump
Absorbent exchange heat, the concentrated solution after heat exchange goes successively to second throttle body, and the absorbent after heat exchange enters absorber.
Further, the pressure at expulsion range of the compressor are as follows: 2-4MPa, the exhaust temperature ranges of the compressor
Are as follows: 60-90 DEG C.
Further, the inlet air temp of first internal exchanger and second internal exchanger are as follows: 23-27
℃。
Further, the revolving speed of the solution pump are as follows: 50-60RPM.
Further, the evaporating temperature of the evaporator are as follows: 3-8 DEG C.
Further, the inlet temperature of the desorption device are as follows: 5-8 DEG C；The outlet temperature are as follows: 20-25 DEG C.
Compared with the existing technology, a kind of refrigerating circulatory device described in the utility model has the advantage that
(1), refrigerating circulatory device described in the utility model, while capable of effectively ensuring system good flame retardation effect again
It is capable of the operating pressure of ensuring equipment system, further improves the security of system of whole device.
(2), refrigerating circulatory device described in the utility model can effectively increase the COP of system in whole device, be
User or enterprise further save resource.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is refrigerating circulatory device flow chart one described in the utility model embodiment；
Fig. 2 is the refrigerating circulatory device flowchart 2 that intermediate Intermediate Heat Exchanger is had described in the utility model embodiment.
Description of symbols:
1- compressor, 2- condenser, the first gas-liquid separator of 3-, the second gas-liquid separator of 4-, 5- evaporator, 6- first segment
Flow mechanism, 7- second throttle body, 8- absorber, 9- desorption device, 10- solution pump, 11- Intermediate Heat Exchanger changes inside 81- first
Hot device, the second internal exchanger of 91-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, a kind of refrigerating circulatory device, including, compressor 1, condenser 2, the first gas-liquid separator 3, second
Gas-liquid separator 4, evaporator 5, first throttle mechanism 6, second throttle body 7, absorber 8, desorption device 9, solution pump 10 and
Heat transfer medium.
Heat transfer medium includes the first refrigerant, second refrigerant；First refrigerant component are as follows: CO2(carbon dioxide), N2
(nitrogen), Ar (argon gas), He (helium) are one such；Second refrigerant component are as follows: hydrocarbon class (HCs), fluorohydrocarbon class (HFCs),
One or more mixtures of hydrofluoroolefin (HFOs), hydrofluoroether class (HFEs).
Compressor 1, the first refrigerant and second refrigerant under the low-pressure state for evaporator 5 to be discharged are converted to
High pressure conditions；
Condenser 2, the mixed gas for condensing the first refrigerant and second refrigerant that are discharged from compressor 1 obtain cold
Mixture after solidifying；First refrigerant does not condense or partial condensation, second refrigerant total condensation or partial condensation.
First gas-liquid separator 3, the first refrigerant gas for coming out condenser 2 is (or in second refrigerant liquid
The first mixing liquid containing the first refrigerant liquid of part) and second refrigerant liquid (or second refrigerant liquid contains portion
Divide the second mixing liquid of the first refrigerant liquid) carry out gas-liquid separation.
First throttle mechanism 6, for being isolated to the first gas-liquid separator 3 second refrigerant liquid (or second refrigeration
The first mixing liquid containing the first refrigerant liquid of part in agent liquid) decompression cooling carried out by its throttling.
Evaporator 5, for make low temperature second refrigerant liquid (or in second refrigerant liquid containing part first freeze
First mixing liquid of agent liquid) with outside air heat exchange is carried out, to make second refrigerant liquid (or second refrigerant liquid
The first mixing liquid containing the first refrigerant liquid of part in body) it is converted into second refrigerant gas (or second refrigerant gas
The first mixed gas containing the first refrigerant gas of part in body).
Absorber 8, the first refrigerant gas for being isolated the first gas-liquid separator 3 by internal absorbent
(or second mixed gas containing part second refrigerant gas in the first refrigerant) is absorbed, and describes concentrated solution.
Second throttle body 7, the solution for absorber 8 to be discharged carry out decompression cooling by its throttling.
Desorption device 9, for (or the first refrigerant gas to contain part second refrigerant by the first refrigerant gas in concentrated solution
Second mixed gas of gas) gasify under low pressure and is desorbed from absorbent.
Second gas-liquid separator 4, the absorbent and the first refrigerant gas (or first for desorbing desorption device 9
Refrigerant gas contains the second mixed gas of part second refrigerant gas) carry out gas-liquid separation.
Solution pump 10, the suction for that the second will gas-liquid separator 4 isolated absorbent liquid and be desorbed from desorption device 9
Receive the liquid-inlet end that agent liquid is back to absorber 8 by the boosting of the pump housing.
The input end of the outlet end connection cooling/condenser 2 of compressor 1, the outlet end connection first of cooling/condenser 2
The input end of gas-liquid separator 3；The gas inlet end of the gas outlet end connection absorber 8 of first gas-liquid separator 3；First gas
The input end of the liquid outlet connection first throttle mechanism 6 of liquid/gas separator 3；The outlet end of first throttle mechanism 6 connects evaporator 5
Input end, the outlet end of evaporator 5 connects back to the entrance of compressor 1.
The input end of the liquid outlet end connection second throttle body 7 of absorber 8, the outlet end of second throttle body 7 connects
The input end of desorption device 9 is connect, the gas vent of desorption device 9 connects the input end of the second gas-liquid separator 4, the second gas-liquid separator
The import of 4 gas outlet end connect compressor 1；The input end of the liquid outlet connection solution pump 10 of second gas-liquid separator 4,
The liquid-inlet end of the outlet end connection absorber 8 of solution pump 10.
Desorption device 9 is additionally provided with a liquid outlet, the absorbing liquid after discharge desorption；The liquid outlet connection solution pump 10
Input end.
The refrigerating circulatory device of the utility model, including the first refrigeration cycle subsystem and the second refrigeration cycle subsystem.Two
Subcycle system is all based on two cycle operations that the refrigerating circulatory device of the utility model carries out.
First circulation subsystem are as follows: if second refrigerant is imflammable gas, the first refrigerant does not condense completely, then exists
It can be effectively reduced the combustibility of mix refrigerant in compression and cooling/condensation process；Second circulation subsystem are as follows: if first
Refriger-ant section condensation, then can effectively reduce or completely eliminate the flammable of mix refrigerant in the circulatory system of whole device
Property.
The workflow of first circulation subsystem specifically:
First refrigerant and second refrigerant become the gas of high temperature and pressure, the row of compressor after the compression of compressor 1
Atmospheric pressure setting are as follows: 2-4MPa, delivery temperature setting are as follows: 60-90 DEG C, release heat QA, the second system into cooling/condenser 2
Cryogen is condensed into liquid, and the first refrigerant can not be condensed under this pressure and temp, and what is come out from cooling/condensation 2 is gas-liquid
Two-phase mixture, after separating after the first gas-liquid separator 3, liquid second refrigerant is by the throttling drop of first throttle mechanism 6
Pressure is freezed into evaporator 5, and recept the caloric QB；
The first refrigerant of gaseous state (may contain a small amount of second refrigerant gas) enters after coming out from the first gas-liquid separator 3
Absorber 8, the absorbent blended absorbent of absorber 8 become concentrated solution, release cooling heat and absorb hot QC；Concentrated solution passes through first
Throttle mechanism 6, which throttles, to be entered in desorption device 9 after decrease temperature and pressure, and the first refrigerant (or the first refrigerant in a liquid is dissolved
In contain part second refrigerant gas) under low pressure gasify and desorbed from absorbent, this process absorb heat Qd reach
To the purpose of refrigeration.After weak solution (absorbent) after desorption is mixed with from the solution that the second gas-liquid separator 4 is separated, warp
Cross solution pump 10 be pressurized after send to absorber 8 continue absorb the first refrigerant (or in the first refrigerant containing part second make
Refrigerant gas), the first refrigerant of gaseous state for being separated from the second gas-liquid separator 4 (or contain portion in the first refrigerant
Point second refrigerant gas) enter the compression of compressor 1 after the gaseous state second refrigerant mixing that then comes out with evaporator 5 and completes one
Circulation.
The workflow of second circulation subsystem specifically:
First refrigerant and second refrigerant become the gas of high temperature and pressure, the row of compressor 1 after the compression of compressor 1
Atmospheric pressure setting are as follows: 2-4MPa, delivery temperature setting are as follows: 60-90 DEG C, release heat QA, the second system into cooling/condenser 2
Cryogen is condensed into liquid, and the first refrigerant only has small part under this pressure and temp and is condensed, comes out from cooling/condensation 2
It is gas-fluid two-phase mixture, after being separated after the first gas-liquid separator 3, contains in liquid second refrigerant and second refrigerant
A small amount of first refrigerant liquid passes through 6 reducing pressure by regulating flow of first throttle mechanism, freezes into evaporator 5, and recept the caloric QB；
Go out containing a small amount of second refrigerant gas from the first gas-liquid separator 3 in the first refrigerant of gaseous state and the first refrigerant
Enter absorber 8 after coming, the absorbent blended absorbent of absorber 8 becomes concentrated solution, releases cooling heat and absorbs hot QC.Concentrated solution
Enter in desorption device 9 after first throttle mechanism 6 throttles decrease temperature and pressure, dissolves the first refrigerant in a liquid and the first system
Gasify under low pressure and desorbed from absorbent containing a small amount of second refrigerant in cryogen, this process absorbs heat Qd and reaches
The purpose of refrigeration is passed through after weak solution (absorbent) after desorption is mixed with from the solution that the second gas-liquid separator 4 is separated
Solution pump 10, which is sent after being pressurized to absorber 8 to continue to absorb, contains a small amount of second refrigerant gas in the first refrigerant and the first refrigerant
Body contains a small amount of second refrigeration from the first refrigerant of gaseous state separated in the second gas-liquid separator 4 and the first refrigerant
It is mixed in the gaseous state second refrigerant and second refrigerant that agent gas then comes out with evaporator 5 containing a small amount of first refrigerant liquid
Enter the compression of compressor 1 afterwards and completes another circulation.
The refrigerating circulatory device of the present embodiment, can effectively ensure ensure again while system good flame retardation effect and be
The system of system operating pressure, further improves the safety of system.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, sprayed comprising the first internal exchanger 81, weak solution in absorber 8
Device, gas sparging device, the weak solution spray equipment are located at the top of first internal exchanger 81, the gas drum
Bulb apparatus is located at the lower section of the first internal exchanger 81, and gas sparging device is connect with the gas vent of the first gas-liquid separator 3；
The weak solution come out from second throttle body 7 is sprayed by spray equipment in the cooling of 81 surface of the first internal exchanger, is inhaled simultaneously
It receives the gas for being bubbled and coming out from bottom gas bubbling device 93 and forms concentrated solution；It is sprayed by way of bubbling with 8 top of absorber
The absorbent blended absorbent drenched becomes concentrated solution, releases cooling heat and absorbs hot QC, will by the first internal exchanger 81
The heat of releasing is taken away.
Desorption device 9 further includes one second internal exchanger 91, for converting away internal heat.
Refrigerating circulatory device described in the present embodiment can effectively go out the converting heat of the circulatory system of device,
To the operating pressure of system in effective ensuring equipment.
Embodiment 3
The present embodiment and the difference of embodiment 1,2 be, as shown in Fig. 2, between absorber 8 and second throttle body 7 with
And an Intermediate Heat Exchanger 11 is equipped between the absorber 8 and solution pump 10 jointly, Intermediate Heat Exchanger 11 is equipped with two input ends
With two outlet ends, two input ends are separately connected the outlet end of absorber 8 and the outlet end of solution pump 10；Two outlet ends are separately connected
The input end of second throttle body 7 and the liquid-inlet end of absorber 8.The concentrated solution and solution pump 10 that absorber 8 is absorbed
Absorbent after boosting exchanges heat, and the concentrated solution after heat exchange goes successively to second throttle body 7, and the absorbent after heat exchange enters
Absorber 8.Increased Intermediate Heat Exchanger 11, can effectively improve the COP of system in device.
Embodiment 4
The present embodiment the difference from embodiment 1 is that, the first refrigerant are as follows: CO2；Second refrigerant be CFCs, HCFCs,
The ODP (consumption ozone latent energy value) of one or more mixtures of HCs, HFCs, HCFOs, HFOs, HFEs, these refrigerants is
0.It is in liquid and nonvolatile liquid that absorbent, which is 100 DEG C or less,；
First refrigerant quality concentration are as follows: 1-99%, second refrigerant mass concentration are as follows: 1-99%；First refrigerant and
It is 1 that two numerical value of the mass ratio of second refrigerant, which are added summation,.
Absorbent is for absorbing the first refrigerant component.Meanwhile increasing the refrigeration cycle of second refrigerant, for improving dress
Cooling system amount and COP in setting.By the way that anti-flammability gas is added in a device, can effectively or completely eliminate device can
Combustion property.
Embodiment 5
The present embodiment and the difference of embodiment 4 are that the HFCs (hydrogen fluorohydrocarbon class) in the second refrigerant of the present embodiment makes
The selection of cryogen are as follows: R32 (difluoromethane), R290 (propane)；The selection of HFOs (hydrofluoroolefin) refrigerant are as follows: R1234yf
(2,3,3,3- tetrafluoropropene), R1234ze (tetrafluoropropene)；The selection of HFEs (hydrocarbon class) refrigerant are as follows: R600a (iso-butane)
If CO in cooling/condenser2Partial condensation, then CO2There are in entire cyclic process, dress is can effectively reduce or completely eliminated
System in setting is flammable.
The selection of first refrigerant and second refrigerant of the utility model can make environmental performance superior (ODP 0), greatly
The gas service life is short, GWP (global warming potential) it is lower or it is fire-retardant it is datonation-inhibition it is high-efficient, additive amount is few and makes total GWP of mixture
It is relatively low.
First refrigerant selects CO2, second refrigerant selection GWP is lower, after the two mixing, both ensure that mix refrigerant
Environmental-protecting performance, and CO2With flame-retarding characteristic, the combustibility of mix refrigerant is can be effectively reduced or eliminated.Such as 1 institute of table
Show, table 1 is the first refrigerant CO2, the quality mixed with the constituent part in second refrigerant compares table.Table 2 is the first system
Cryogen CO2With the mixed heating power table property list when temperature is 25 DEG C of the constituent part in second refrigerant.
1: the first refrigerant CO of table2With the range table of the mixed mass ratio of constituent part in second refrigerant
| Component | Mass ratio | Preferred mass ratio |
| CO2/R290 | 1-99%/1-99% | 70-99%/1-30% |
| CO2/R600a | 1-99%/1-99% | 70-99%/1-30% |
| CO2/R1234yf | 1-99%/1-99% | 10-60%/40-90% |
| CO2/R1234ze | 1-99%/1-99% | 10-60%/40-90% |
| CO2/R32 | 1-99%/1-99% | 10-40%/60-90% |
Table 2: for the first refrigerant CO2With the mixed heat when temperature is 25 DEG C of the constituent part in second refrigerant
Power table property list
Preferably, Mix refrigerant cycle (heat transfer medium) is CO2/ R1234yf, absorbent are ionic liquid [hmim]
[TF2N], system band Intermediate Heat Exchanger compares case as VCCSC+ internal exchanger circulation, refrigeration working medium CO2, absorbent is
Ionic liquid [hmim] [TF2N].Following hypothesis is done when carrying out system circulation calculating: 1, the volumetric efficiency 100% of compressor,
Isentropic efficiency 75%；2, the throttling of throttle mechanism is constant-enthalpy process；3, liquid is constant entropy with the process of pump pressurization；4, given
Compressor and pump outlet pressure under, the mixing of gas-liquid two-phase is constant-enthalpy process；5, ignore loine pressure drop and energy loss,
Ignore the gas of liquid phase accumulation；6, without heat exchange between heat exchanger and environment；7, ignore viscosity of il；8, at system circulation
In stable state；CO2It can desorb in desorption device, can be fully absorbed in absorber completely, absorber exports CO in concentrated solution2's
Concentration is 0.1, CO2The mass ratio of/R1234yf is 50%:50%, CO2It is counted with the physical data of R1234yf with Refprop9.0
It calculates, the internal exchanger of absorber and desorption device is exchanged heat by air, and 25 DEG C of inlet air temp.In the implementation case
In, CO2It is kept completely separate in cooling/condenser with R1234yf, R1234yf is condensed into liquid, CO2Only temperature drop
Low, still maintenance gaseous state, theoretical analysis and calculation the results are shown in Table 3.
Table 3: theoretical analysis and calculation table
Embodiment 6
Such as [C4mim][PF6] (1- butyl -3- methylimidazole hexafluorophosphate), [C8mim][PF6] (1- octyl -3- methyl
Limidazolium hexafluorophosphate), [C8mim] [BF6] (1- octyl -3- methylimidazole hexafluoro borate), [C4mim][NO3] ((1- fourth
Base -3- methylimidazolium nitrate), [C2mim][EtSO6] (1- ethyl-3-methylimidazole sulfuric acid), [N-bupy] [BF4]
(N- butyl-pyridinium tetrafluoride boron), [hmim] [TF2N] (hexyl -3- methylimidazole bis-trifluoromethylsulfoandimide salt)；Table 4 be
When pressure is 4Mpa, CO2In [C4mim][PF6] solubility；Table 5 is pressure CO when being 4Mpa2In [C8mim][PF6] dissolution
Degree；Table 6 is pressure when being 4Mpa, CO2In [hmim] [TF2N] solubility；Table 7 is pressure when being 4Mpa, CO2In [C4mim]
[NO3] solubility.
Table 4:CO2In [C4min][PF6] the temperature of solubility (pressure 4MPa) correspond to table
| Temperature/DEG C | Xco2% |
| 40 | 0.52 |
| 50 | 0.47 |
| 60 | 0.42 |
| 70 | 0.37 |
| 80 | 0.33 |
| 90 | 0.3 |
Table 5:CO2In [C8mim][PF6] the temperature of solubility (pressure 4MPa) correspond to table
| Temperature/DEG C | Xco2% |
| 40 | 0.52 |
| 50 | 0.46 |
| 60 | 0.43 |
| 70 | 0.49 |
| 80 | 0.35 |
| 90 | 0.34 |
Table 6:CO2In [hmim] [TF2N] the temperature of solubility (pressure 4MPa) correspond to table
| Temperature/DEG C | Xco2% |
| 40 | 0.55 |
| 50 | 0.47 |
| 60 | 0.44 |
| 70 | 0.42 |
| 80 | 0.38 |
| 90 | 0.35 |
Table 7:CO2In [C4mim][NO3] the temperature of solubility (pressure 4MPa) correspond to table
| Temperature/DEG C | Xco2% |
| 40 | 0.53 |
| 50 | 0.49 |
| 60 | 0.46 |
| 70 | 0.43 |
| 80 | 0.38 |
| 90 | 0.35 |
By table 4- table 7 it can be seen that CO2In the solubility of different ionic liquid, CO2Solubility in ionic liquid with
Temperature is related, and temperature is lower, and solubility is bigger.The solubility of ionic liquid is bigger, absorbs CO2Amount it is more, CO can be reduced2
Internal circulating load, while the pressure of system in device can be reduced, improve the cycle efficieny of whole device.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of refrigerating circulatory device, which is characterized in that including, compressor (1), condenser (2), the first gas-liquid separator (3),
Second gas-liquid separator (4), evaporator (5), first throttle mechanism (6), second throttle body (7), absorber (8), desorption device
(9), solution pump (10)；
The compressor (1), cooling/condenser (2), first throttle mechanism (6), evaporator (5) are sequentially connected circlewise, shape
At refrigeration cycle；
First gas-liquid separator (3) is set between the condenser (2) and the first throttle mechanism (6)；Described
The liquid outlet end of one gas-liquid separator (3) connects the first throttle mechanism (6)；The gas of first gas-liquid separator (3)
Body outlet end connects one end of the absorber (8)；The absorber (8), second throttle body (7), desorption device (9) successively connect
It connects；
The outlet end of the desorption device (9) connects second gas-liquid separator (4), the gas of second gas-liquid separator (4)
Body outlet end connects the import of the compressor (1)；The liquid outlet end of second gas-liquid separator (4) connects the solution
The input end of (10) is pumped, the outlet end of the solution pump (10) connects the liquid-inlet end of the absorber (8).
2. a kind of refrigerating circulatory device according to claim 1, which is characterized in that the absorber (8) includes in first
Portion's heat exchanger (81), weak solution spray equipment, gas sparging device；The weak solution spray equipment, which is located inside described first, to be changed
The top of hot device (81), the gas sparging device are located at the lower section of the first internal exchanger (81), the gas sparging device
It is connect with the gas vent of first gas-liquid separator (3).
3. a kind of refrigerating circulatory device according to claim 2, which is characterized in that the desorption device (9) further includes one
Two internal exchangers (91).
4. a kind of refrigerating circulatory device according to claim 3, which is characterized in that the desorption device (9) is additionally provided with a liquid
Body outlet end is suitable for discharge liquid；The liquid outlet end is connected with the import of the solution pump (10).
5. a kind of refrigerating circulatory device according to claim 1 or 2, which is characterized in that it further include Intermediate Heat Exchanger (11),
The Intermediate Heat Exchanger (11) is arranged between the absorber (8) and the second throttle body (7) and the absorber
(8) between solution pump (10), by the absorber (8) absorb concentrated solution and solution pump (10) boosting after absorbent into
Row heat exchange, the concentrated solution after heat exchange are gone successively to second throttle body (7), and the absorbent after heat exchange enters absorber (8).
6. a kind of refrigerating circulatory device according to claim 1, which is characterized in that the pressure at expulsion of the compressor (1)
Range are as follows: 2-4MPa, the exhaust temperature ranges of the compressor (1) are as follows: 60-90 DEG C.
7. a kind of refrigerating circulatory device according to claim 4, which is characterized in that first internal exchanger (81) and
The inlet air temp of second internal exchanger (91) are as follows: 23-27 DEG C.
8. a kind of refrigerating circulatory device according to claim 1, which is characterized in that the revolving speed of the solution pump (10) are as follows:
50-60RPM。
9. a kind of refrigerating circulatory device according to claim 1, which is characterized in that the evaporating temperature of the evaporator (5)
Are as follows: 3-8 DEG C.
10. a kind of refrigerating circulatory device according to claim 1 or 2, which is characterized in that the import of the desorption device (9)
Temperature are as follows: 5-8 DEG C；The outlet temperature of the desorption device (9) are as follows: 20-25 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821533170.6U CN208794780U (en) | 2018-09-19 | 2018-09-19 | A kind of refrigerating circulatory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821533170.6U CN208794780U (en) | 2018-09-19 | 2018-09-19 | A kind of refrigerating circulatory device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208794780U true CN208794780U (en) | 2019-04-26 |
Family
ID=66210141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821533170.6U Active CN208794780U (en) | 2018-09-19 | 2018-09-19 | A kind of refrigerating circulatory device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208794780U (en) |
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2018
- 2018-09-19 CN CN201821533170.6U patent/CN208794780U/en active Active
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