CN108692475A - A kind of air injection enthalpy-increasing refrigeration machine - Google Patents
A kind of air injection enthalpy-increasing refrigeration machine Download PDFInfo
- Publication number
- CN108692475A CN108692475A CN201810584230.5A CN201810584230A CN108692475A CN 108692475 A CN108692475 A CN 108692475A CN 201810584230 A CN201810584230 A CN 201810584230A CN 108692475 A CN108692475 A CN 108692475A
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- condenser
- evaporator
- air injection
- injection enthalpy
- increasing
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- 238000002347 injection Methods 0.000 title claims abstract description 97
- 239000007924 injection Substances 0.000 title claims abstract description 97
- 238000005057 refrigeration Methods 0.000 title claims abstract description 40
- 238000004781 supercooling Methods 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 27
- 230000005494 condensation Effects 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A kind of air injection enthalpy-increasing refrigeration machine, including:External circulating device and internal circulation apparatus, external circulating device includes air injection enthalpy-increasing compressor, evaporator, the first expansion valve, subcooler, condenser/evaporator and evaporator, the air injection enthalpy-increasing compressor is connect with the evaporator, the condenser and the condenser/evaporator respectively, first expansion valve is connect with the subcooler and the evaporator respectively, and the condenser is connect with the condenser/evaporator and the subcooler respectively;Internal circulation apparatus includes:Compressor and the second expansion valve, the compressor are connect with the condenser/evaporator and the subcooler respectively, and second expansion valve is connect with the supercooling evaporator and the subcooler respectively;Wherein, the external circulating device shares the condenser/evaporator and the subcooler with the internal circulation apparatus.Present invention incorporates internal autocascade cycles and air injection enthalpy-increasing technology, reduce energy loss, improve the operational efficiency of system.
Description
Technical field
The present invention relates to a kind of Refrigeration Technique, especially a kind of air injection enthalpy-increasing refrigeration machine with air injection enthalpy-increasing technology.
Background technology
When Ordinary Compression machine cooling system used refrigeration technique, subcooler gas side come out cryogenic gaseous refrigerant directly into
Enter system low-voltage side, this some refrigerant do not enter into indoor rise refrigeration effect, while can with circulating refrigerant from air entry into
Enter compressor, occupies compressor air suction.
Solved the above problems in the prior art using air injection enthalpy-increasing system, mainly include vortex air injection enthalpy-increasing compressor and turn
Sub- air injection enthalpy-increasing compressor.Air injection enthalpy-increasing system is by what air injection enthalpy-increasing compressor, economizer, air injection enthalpy-increasing controller formed
The core of system, the system is air injection enthalpy-increasing compressor, and air injection enthalpy-increasing need to use air injection enthalpy-increasing pressure for promoting high-temperature refrigeration ability
Contracting machine is combined with refrigeration technique excessively.Wherein, economizer ensures that entering compressor sprays for exchanging heat to spray circuits refrigerant
The refrigerant of mouth is gaseous state, while can be cooled down to main refrigerant circuit, and main circuit refrigerant liquid is made fully to be subcooled to obtain
Additional degree of supercooling is obtained, the temperature for getting in machine refrigerant is reduced, to promote refrigerating capacity.But it has the disadvantage that:
Economizer there are two types of arrangement, above take liquid and under take liquid, wherein on take this arrangement of liquid it is difficult to ensure that cold
There is certain degree of supercooling in condenser outlet, and it is out of control to be easy to cause electric expansion valve.Spray can not be embodied in economizer when heat exchange amount deficiency
The superiority of gas increasing enthalpy technology.
Invention content
The technical problem to be solved by the present invention is to the drawbacks described above for the prior art, provide a kind of by superposition type jet
Increasing enthalpy refrigeration machine replaces above-mentioned economizer with a refrigeration cycle in the process of running, forms two individually cycles
System, two kinds of refrigerants improve capacity usage ratio and system working efficiency.
To achieve the goals above, the present invention provides a kind of air injection enthalpy-increasing refrigeration machines, wherein including:
External circulating device, including:Air injection enthalpy-increasing compressor, evaporator, the first expansion valve, subcooler, condenser/evaporator and
Evaporator, the air injection enthalpy-increasing compressor is connect with the evaporator, the condenser and the condenser/evaporator respectively, described
First expansion valve is connect with the subcooler and the evaporator respectively, the condenser respectively with the condenser/evaporator and institute
State subcooler connection;And
Internal circulation apparatus, including:Compressor and the second expansion valve, the compressor respectively with the condenser/evaporator and institute
Subcooler connection is stated, second expansion valve is connect with the supercooling evaporator and the subcooler respectively;
Wherein, the external circulating device shares the condenser/evaporator and the subcooler with the internal circulation apparatus.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the condenser side is steamed with the subcooler and the condensation respectively
Send out device connection.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the link circuit of the external circulating device is outer circulation circuit, described interior
The link circuit of circulator is interior circulation loop, is respectively two kinds of differences in the outer circulation circuit and the interior circulation loop
Refrigerant.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the air injection enthalpy-increasing compressor is equipped with the first air inlet, the second air inlet
And gas outlet, first air inlet and second air inlet are arranged in air injection enthalpy-increasing compressor lower end, the outlet
Mouth is arranged in air injection enthalpy-increasing compressor upper end.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the condenser/evaporator is connect with first air inlet, the evaporation
Device is connect with second air inlet, and the condenser is connect with the gas outlet.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the interior circulation loop is the air injection enthalpy-increasing compressor, the condensation
The closed circuit that evaporator is formed with the subcooler.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein in the interior circulation loop, the height of the air injection enthalpy-increasing compressor discharge
The gaseous refrigerant of warm high pressure enter the condenser/evaporator, and exothermic condensation at after highly pressurised liquid enter the subcooler, institute
It states after highly pressurised liquid heat absorption is evaporated to new gaseous refrigerant and is sucked into next interior cycle by the air injection enthalpy-increasing compressor.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the outer circulation circuit includes the first circuit and second servo loop, and described the
Primary Ioops are that the air injection enthalpy-increasing compressor, the condenser, the subcooler and the closure that first air inlet is formed are returned
Road;The second servo loop is the air injection enthalpy-increasing compressor, the condenser, the condenser/evaporator and second air inlet
The closed circuit of formation.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein in the outer circulation circuit, the height of the air injection enthalpy-increasing compressor discharge
The gaseous refrigerant of warm high pressure enters the condenser, and exothermic condensation is highly pressurised liquid, and the highly pressurised liquid is from the condensation
Device, which comes out, divides two-way, and in first circuit, the highly pressurised liquid enters the subcooler, the refrigeration with the interior circulation loop
Heat exchange occurs for agent, and the evaporator is entered after further being cooled down and absorbs heat and is evaporated to gaseous refrigerant, the gas
State refrigerant is sucked by first air inlet;In the second servo loop, the highly pressurised liquid enters the condenser/evaporator, with
Heat absorption is evaporated to gaseous refrigerant after heat exchange occurs for the gaseous refrigerant of the interior circulation loop, into second air inlet
Mouthful, two parts gaseous refrigerant for respectively enteing first air inlet and second air inlet is compressed in the air injection enthalpy-increasing
Enter next outer circulation after being mixed in machine.
Above-mentioned air injection enthalpy-increasing refrigeration machine, wherein the condenser/evaporator and the subcooler are plate heat exchanger.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is the air injection enthalpy-increasing refrigeration machine structural schematic diagram of the prior art;
Fig. 2 is the air injection enthalpy-increasing refrigeration machine structural schematic diagram of one embodiment of the invention;
Fig. 3 is the air injection enthalpy-increasing compressor arrangement schematic diagram of one embodiment of the invention;
Fig. 4 is the plate heat exchanger structural schematic diagram of one embodiment of the invention.
Wherein, reference numeral
1 air injection enthalpy-increasing compressor
11 first air inlets
12 second air inlets
13 gas outlets
2 condensers
3 condenser/evaporators
4 subcoolers
5 first expansion valves
6 evaporators
7 compressors
8 second expansion valves
9 plate heat exchangers
91 absorber plates
92 heat liberation boards
10 economizers
Specific implementation mode
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings:
It is the air injection enthalpy-increasing refrigeration machine structural schematic diagram of the prior art referring to Fig. 1, Fig. 1.The air injection enthalpy-increasing system of the prior art
In cold operational process, refrigerant discharges heat in condenser 2 and is condensed, the refrigerant liquid from condenser 2 out point
For two parts, a part is major loop, enters directly into economizer 10 and continues to cool down, and another part is air injection enthalpy-increasing circuit,
Expanded valve is throttled to a certain intermediate pressure and enters back into economizer 10, and heat friendship occurs in economizer 10 for this two parts refrigerant
It changes, is continued to compress by the sucking of 1 second air entry of air injection enthalpy-increasing compressor after the latter's gasification, form similar two-stage compression cycle;Before
Person throttles through expansion valve to two-phase state after being further subcooled, and expanded valve gets in evaporator after throttling to two-phase state
6 heat absorption flashes to overheated gas, subsequently into air injection enthalpy-increasing compressor 1 main air entry by primary compression, two parts refrigerant
It is compressed into the superheated steam of high temperature and pressure after being mixed in air injection enthalpy-increasing compressor 1, condenser is entered by four-way reversing valve
2, complete a cycle.In the process of running, the economizer 10 of the prior art is it is difficult to ensure that there is certain supercooling in the outlet of condenser 2
Degree, it is out of control to be easy to cause electric expansion valve.The superiority of air injection enthalpy-increasing technology can not be embodied in economizer 10 when heat exchange amount deficiency,
System real work is less efficient.
It is the air injection enthalpy-increasing refrigeration machine structural schematic diagram of the present invention referring to Fig. 2, Fig. 2.The air injection enthalpy-increasing refrigeration machine of the present invention
Including:External circulating device and internal circulation apparatus, the external circulating device include:Air injection enthalpy-increasing compressor 1, evaporator 6, first expand
Valve 5, subcooler 4, condenser/evaporator 3 and evaporator 6, the air injection enthalpy-increasing compressor 1 respectively with the evaporator 6, described cold
Condenser 2 and the condenser/evaporator 3 connect, and first expansion valve 5 is connect with the subcooler 4 and the evaporator 6 respectively,
The condenser 2 is connect with the condenser/evaporator 3 and the subcooler 4 respectively.
The internal circulation apparatus includes:Compressor 7 and the second expansion valve 8, the compressor 7 respectively with the condenser/evaporator
3 and the subcooler 4 connect, second expansion valve 8 connect with the supercooling evaporator 6 and the subcooler 4 respectively;Its
In, the external circulating device shares the condenser/evaporator 3 and the subcooler 4 with the internal circulation apparatus;The condenser 2
Side is connect with the subcooler 4 and the condenser/evaporator 3 respectively, and the air injection enthalpy-increasing compressor 1 is equipped with the first air inlet
11, the second air inlet 12 and gas outlet 13.
Wherein, the link circuit of the external circulating device is outer circulation circuit, and the link circuit of the internal circulation apparatus is
It is respectively two different refrigerants in interior circulation loop, the outer circulation circuit and the interior circulation loop;The interior cycle
Circuit is the closed circuit of the compressor 7, second expansion valve 8, the condenser/evaporator 3 and the formation of the subcooler 4.
The outer circulation circuit includes the first circuit and second servo loop, and first circuit is the air injection enthalpy-increasing compressor 1, described cold
Condenser 2, the subcooler 4 and first expansion valve 5, the evaporator 6 and the closure that first air inlet 11 is formed are returned
Road;The second servo loop be the air injection enthalpy-increasing compressor 1, the condenser 2, the condenser/evaporator 3 with described second into
The closed circuit that gas port 12 is formed.
During the work time, in the interior circulation loop, described in the high-temperature high-pressure refrigerant gas entrance that compressor 7 is discharged
Condenser/evaporator 3 carries out heat exchange in the condenser/evaporator 3 with the low temperature liquid refrigerant in the outer circulation circuit,
Refrigerant exothermic condensation is depressured at highly pressurised liquid, refrigerant after second expansion valve 8, cryogenic liquid is formed, into institute
Subcooler 4 is stated, the liquid refrigerant in the subcooler 4 absorbs heat after carrying out heat exchange with the refrigerant in the outer circulation circuit
It is evaporated to gaseous state, is sucked by the compressor 7, into next cycle;The air injection enthalpy-increasing pressure in the outer circulation circuit
Contracting machine 1 be discharged high temperature and pressure gaseous refrigerant enter the condenser 2, refrigerant exothermic condensation be highly pressurised liquid after enter
First circuit and the second servo loop;Refrigerant in first circuit enters the subcooler 4, and refrigerant is further
Cooled down, absorbs heat subsequently into the evaporator 6, gaseous refrigerant is evaporated to, into the air injection enthalpy-increasing compressor 1
First air inlet 11;Refrigerant in the second servo loop enters in the condenser/evaporator 3, with the interior circulation loop
Refrigerant heat exchange occurs, heat absorption, which is evaporated to after gaseous refrigerant, enters described the second of the air injection enthalpy-increasing compressor 1
Air inlet 12, two parts gaseous refrigerant into the air injection enthalpy-increasing compressor 1 mix in the air injection enthalpy-increasing compressor 1
It closes, and enters next cycle.It is substantially respectively air injection enthalpy-increasing to use two individual refrigerating circuits, condenser/evaporator 3
The evaporator 6 in circuit and the condenser 2 of interior cycle, the condensed fluid in air injection enthalpy-increasing circuit is in 3 evaporation endothermic of condenser/evaporator, hair
Raw phase transformation, gaseous refrigerant are sucked by the second air inlet 12 of air injection enthalpy-increasing compressor 1;The gaseous refrigerant of interior cycle is condensed into
Liquid.Subcooler 4 is respectively the evaporator 6 of the subcooler 4 and interior cycle in outer circulation circuit, and the condensed fluid in outer circulation circuit exists
Subcooler 4 carries out supercooling and lets cool, and the liquid refrigerant of interior cycle is evaporated heat absorption.
It is the air injection enthalpy-increasing compressor arrangement schematic diagram of one embodiment of the invention referring to Fig. 3, Fig. 3.The jet of the present invention increases
First air inlet 11 of enthalpy compressor 1 and second air inlet 12 are arranged in 1 lower end of air injection enthalpy-increasing compressor, institute
Gas outlet 13 is stated to be arranged in 1 upper end of air injection enthalpy-increasing compressor.
It is one embodiment of the invention plate heat exchanger structural schematic diagram referring to Fig. 4, Fig. 4.The condensation of the present invention is steamed
It is preferably plate heat exchanger 9 to send out device 3 and the subcooler 4, is internally provided with board-like absorber plate 91 and heat liberation board 92, described
The high refrigerant of temperature flows through heat liberation board 92 in plate heat exchanger 9, and the low refrigerant of temperature flows through absorber plate 91, two kinds of refrigerants
Heat exchange is carried out in the plate heat exchanger 9.
The present invention uses folding type cooling system, respectively inside and outside two individual circulatory systems, two kinds of refrigerants.From
The high pressure refrigerant liquid that condenser comes out divides two-way, enters condenser/evaporator all the way, " condenser/evaporator " is for air injection enthalpy-increasing
It is equivalent to evaporator (absorbing heat) for circuit, condenser is equivalent to for the internal circulatory system, discharges heat, air injection enthalpy-increasing
The refrigerant in circuit, which absorbs heat to evaporate in the device, becomes gaseous refrigerant, is inhaled by the second air entry of air injection enthalpy-increasing compressor
Enter;The another way high pressure refrigerant liquid come out from air injection enthalpy-increasing compressor is directly entered subcooler, and subcooler is for interior cycle
Circuit is equivalent to evaporator, and released cold quantity is further subcooled the refrigerant liquid in outer circulation circuit and (recycles and released in absorbing
The heat put), then evaporator being got in by reducing pressure by regulating flow and absorbing heat, evaporative phase-change is gaseous refrigerant, by jet
First air inlet of enthalpy-increasing compressor sucks, and next cycle is mixed into the gaseous refrigerant of the second air inlet sucking.
Above in a chiller mode for inside and outside circulation loop, for heating mode, the present invention is equally applicable, only need by
Heat transmission equipment is exchanged by four-way reversing valve, and refrigerating/heating pattern is transformed to the more ripe prior art, does not do herein
It repeats.The present invention is suitable for comparing the environment heating of low temperature, and compares the environment refrigeration of high temperature.
The present invention externally the refrigerant of circulation loop can play a part of to be subcooled, be lifted into room due to configuring subcooler
The refrigerating capacity of inside unit mass refrigerant, and the refrigerant mass fluxes in outer circulation circuit are basically unchanged, that is, enter
The refrigeration dose of indoor participation heat exchange is constant, therefore the refrigeration effect of indoor can greatly promote.Further, since cryogenic gas from
Second air inlet enters air injection enthalpy-increasing compressor, reduces the delivery temperature of air injection enthalpy-increasing compressor, especially works as hot environment
When, air injection enthalpy-increasing compressor exhaust temperature is high, and the present invention can effectively reduce the delivery temperature of air injection enthalpy-increasing compressor, improves jet
The working environment of enthalpy-increasing compressor improves air injection enthalpy-increasing compressor operating efficiency, and is finally embodied in the heat exchange for increasing indoor
Amount.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of air injection enthalpy-increasing refrigeration machine, which is characterized in that including:
External circulating device, including:Air injection enthalpy-increasing compressor, evaporator, the first expansion valve, subcooler, condenser/evaporator and evaporation
Device, the air injection enthalpy-increasing compressor are connect with the evaporator, the condenser and the condenser/evaporator respectively, and described first
Expansion valve is connect with the subcooler and the evaporator respectively, the condenser respectively with the condenser/evaporator and the mistake
Cooler connects;And
Internal circulation apparatus, including:Compressor and the second expansion valve, the compressor respectively with the condenser/evaporator and the mistake
Cooler connects, and second expansion valve is connect with the supercooling evaporator and the subcooler respectively;
Wherein, the external circulating device shares the condenser/evaporator and the subcooler with the internal circulation apparatus.
2. air injection enthalpy-increasing refrigeration machine as described in claim 1, which is characterized in that the condenser side respectively with the supercooling
Device is connected with the condenser/evaporator.
3. air injection enthalpy-increasing refrigeration machine as claimed in claim 1 or 2, which is characterized in that the link circuit of the external circulating device
Link circuit for outer circulation circuit, the internal circulation apparatus is interior circulation loop, the outer circulation circuit and the interior cycle
It is respectively two different refrigerants in circuit.
4. air injection enthalpy-increasing refrigeration machine as claimed in claim 3, which is characterized in that the air injection enthalpy-increasing compressor be equipped with first into
Gas port, the second air inlet and gas outlet, first air inlet and second air inlet setting are compressed in the air injection enthalpy-increasing
Machine lower end, the gas outlet are arranged in air injection enthalpy-increasing compressor upper end.
5. air injection enthalpy-increasing refrigeration machine as claimed in claim 4, which is characterized in that the condenser/evaporator and first air inlet
Mouth connection, the evaporator are connect with second air inlet, and the condenser is connect with the gas outlet.
6. air injection enthalpy-increasing refrigeration machine as claimed in claim 5, which is characterized in that the interior circulation loop is the air injection enthalpy-increasing
The closed circuit that compressor, the condenser/evaporator are formed with the subcooler.
7. air injection enthalpy-increasing refrigeration machine as claimed in claim 6, which is characterized in that in the interior circulation loop, the jet increases
The gaseous refrigerant of the high temperature and pressure of enthalpy compressor discharge enters the condenser/evaporator, and exothermic condensation is laggard at highly pressurised liquid
Enter the subcooler, the highly pressurised liquid heat absorption be evaporated to after new gaseous refrigerant by the air injection enthalpy-increasing compressor suck into
Enter next interior cycle.
8. air injection enthalpy-increasing refrigeration machine as claimed in claims 6 or 7, which is characterized in that the outer circulation circuit includes first time
Road and second servo loop, first circuit are the air injection enthalpy-increasing compressor, the condenser, the subcooler and described first
The closed circuit that air inlet is formed;The second servo loop is the air injection enthalpy-increasing compressor, the condenser, the condensation evaporation
The closed circuit that device is formed with second air inlet.
9. air injection enthalpy-increasing refrigeration machine as claimed in claim 8, which is characterized in that in the outer circulation circuit, the jet increases
The gaseous refrigerant of the high temperature and pressure of enthalpy compressor discharge enters the condenser, and exothermic condensation is highly pressurised liquid, the height
Press liquid out divides two-way from the condenser, and in first circuit, the highly pressurised liquid enters the subcooler, and described
Heat exchange occurs for the refrigerant of interior circulation loop, and the evaporator is entered after further being cooled down and absorbs heat and is evaporated to gas
State refrigerant, the gaseous refrigerant are sucked by first air inlet;In the second servo loop, the highly pressurised liquid enters institute
Condenser/evaporator is stated, gaseous refrigerant is evaporated to heat absorption after the gaseous refrigerant generation heat exchange of the interior circulation loop,
Into second air inlet, two parts gaseous refrigerant for respectively enteing first air inlet and second air inlet exists
Enter next outer circulation after being mixed in the air injection enthalpy-increasing compressor.
10. the air injection enthalpy-increasing refrigeration machine as described in claim 1,2,4,5,6,7 or 9, which is characterized in that the condenser/evaporator
It is plate heat exchanger with the subcooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810584230.5A CN108692475A (en) | 2018-06-08 | 2018-06-08 | A kind of air injection enthalpy-increasing refrigeration machine |
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| CN201810584230.5A CN108692475A (en) | 2018-06-08 | 2018-06-08 | A kind of air injection enthalpy-increasing refrigeration machine |
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Cited By (2)
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| WO2022188668A1 (en) * | 2021-03-10 | 2022-09-15 | 艾默生环境优化技术(苏州)有限公司 | Heat pump system |
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