CN105066508A - Efficient injection and absorption refrigerator for freezing and refrigeration - Google Patents
Efficient injection and absorption refrigerator for freezing and refrigeration Download PDFInfo
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- CN105066508A CN105066508A CN201510466726.9A CN201510466726A CN105066508A CN 105066508 A CN105066508 A CN 105066508A CN 201510466726 A CN201510466726 A CN 201510466726A CN 105066508 A CN105066508 A CN 105066508A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 50
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 35
- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000007710 freezing Methods 0.000 title claims abstract description 10
- 230000008014 freezing Effects 0.000 title claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 161
- 239000006096 absorbing agent Substances 0.000 claims abstract description 89
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000008676 import Effects 0.000 claims description 114
- 238000011084 recovery Methods 0.000 claims description 48
- 239000002250 absorbent Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 239000002608 ionic liquid Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 49
- 239000003507 refrigerant Substances 0.000 description 28
- 230000009102 absorption Effects 0.000 description 23
- 230000002745 absorbent Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- IQQRAVYLUAZUGX-UHFFFAOYSA-N 1-butyl-3-methylimidazolium Chemical compound CCCCN1C=C[N+](C)=C1 IQQRAVYLUAZUGX-UHFFFAOYSA-N 0.000 description 1
- NJMWOUFKYKNWDW-UHFFFAOYSA-N 1-ethyl-3-methylimidazolium Chemical compound CCN1C=C[N+](C)=C1 NJMWOUFKYKNWDW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen fluorine hydrocarbons Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012932 thermodynamic analysis Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
An efficient injection and absorption refrigerator for freezing and refrigeration comprises a generator, a condenser, a gas-liquid separator, an under-cooling heat regenerator, an evaporator, an injector, a vortex tube, an absorber and a solution heat exchanger. One outlet of the generator is divided into at least two channels. The first channel is communicated with the injector, and the second channel is connected in series with the condenser, the gas-liquid separator, the under-cooling heat regenerator, the evaporator and the absorber sequentially. An outlet of the gas-liquid separator is connected in series with the injector and an inlet of the vortex tube sequentially. A heat end outlet of the vortex tube is connected in series with the solution heat exchanger and the absorber sequentially. A cold end outlet of the vortex tube is connected in series with the under-cooling heat regenerator, the solution heat exchanger and the absorber sequentially. The absorber, the solution heat exchanger, the generator, the solution heat exchanger and the absorber are connected in series sequentially. By means of the efficient injection and absorption refrigerator, the low-temperature environment required during production is created through vortex tube-injection and absorption refrigeration cycle, so that the energy use rate is improved, and high-grade electric energy is saved.
Description
Technical field
The present invention relates to a kind of refrigeration system, is specifically a kind of efficient injection absorption refrigerating machine for freezing and refrigeration.
Background technology
Along with social economy is fast-developing, can discharge a large amount of waste heat in the production processes such as bioengineering, pharmacy, food processing and chemical industry, this used heat, residual heat resources are sufficient, but energy density is low, energy can directly utilization rate be low, causes energy waste and environmental pollution.In traditional refrigeration system, pressurized refrigeration working medium is expanded by choke valve after condenser, and in evaporimeter, heat absorption produces refrigeration.Choke valve has comparatively dominance energy for liquid throttling, but for gas throttling, its operating efficiency is lower, causes refrigeration working medium to be the hydraulic performance decline of the refrigeration plant of gas, the low-grade energy such as used heat, waste heat therefore cannot be utilized to carry out work; In this case, absorption refrigeration technology is developed, absorption refrigeration technology is the working medium pair utilizing some to have special nature, by a kind of material to the absorption of another kind of material and release, produce the state change of material, thus with heat absorption and release process, this circulation has higher thermal conversion efficiency, the low-grade energies such as a large amount of waste heat used heat produced in solar heat, underground heat and industrial processes effectively can be utilized to produce institute's chilling requirement, effectively can save high-grade electric energy; But conventional suction refrigeration system exists that refrigerating efficiency is low, heat source insufficiency time the defect such as fluctuation of service.Vortex tube refrigeration is a kind of refrigeration modes utilizing low-grade heat source to drive, and effectively can utilize solar heat, underground heat and the low-grade heat source such as industrial exhaust heat, used heat; Vortex tube refrigeration can adopt water vapour, nitrogen, carbon dioxide or hydrogen fluorine hydrocarbons to do refrigeration working medium, so vortex tube refrigeration has the features such as energy-conserving and environment-protective meet Global Sustainable Development strategic requirement.Vortex tube refrigeration designed invention by French metallurgical engineer Ranque, in application United States Patent (USP) in 1932.1933, he has done the report about vortex tube device and vortex temperature distribution function thereof in French Engineering Thermophysics meeting, because this report is by the confusion of concepts of fluid stagnation temperature (stagnation temperature) with static temperature, be subject to the generally query of participant, vortex tube did not cause the common concern of researcher at that time.Nineteen forty-six, roentgen R.Hilsch studies from the many-side such as physical arrangement and working condition vortex tube, prove that vortex tube exists Energy separation performance really, and propose preliminary definition refrigeration effect and the method heating effect, cause the extensive concern of scholars.
The people such as Zhejiang University Wang Zheng propose a kind of refrigerating system utilizing injector to improve swirl control cold efficiency, application number is 201110191813.X, in application material, applicant is to the system have been thermodynamic analysis, result shows that the refrigerating system performance of introducing injector and vortex tube is better than introducing common refrigeration system and the flashed vapour bypass two stage compression refrigeration system of injector, but be not difficult to find out from file, the low temperature that the circulation of above-mentioned vortex tube compression-type refrigeration obtains is completely to consume high-grade mechanical energy for cost and refrigeration system is open system mostly.
Summary of the invention
The goal of the invention that the present invention will realize is: overcome prior art Problems existing, a kind of efficient injection absorption refrigerating machine for freezing and refrigeration is provided, create the low temperature environment needed for production process by vortex tube-injection absorption refrigeration cycle, not only improve efficiency of energy utilization but also save high-grade electric energy.
For achieving the above object, technical scheme of the present invention is as follows: a kind of efficient injection absorption refrigerating machine for freezing and refrigeration, comprises generator, condenser, gas-liquid separator, Subcooled heat recovery device, evaporimeter, injector, vortex tube, absorber, solution heat exchanger; An outlet of generator is divided at least two-way, and the first via is communicated with injector, contacts with condenser, gas-liquid separator, Subcooled heat recovery device, evaporimeter, absorber order successively in the second tunnel; The outlet of gas-liquid separator is contacted with injector, vortex tube import order successively, the outlet of vortex tube hot junction is contacted with solution heat exchanger, absorber order successively, vortex tube cold side outlet is contacted with Subcooled heat recovery device, solution heat exchanger, absorber order successively, described absorber, solution heat exchanger, generator, solution heat exchanger, absorber order series winding.
The technical scheme that the present invention limits further is:
Further, first outlet of generator is divided into two-way, the first via is connected with injector first import, second tunnel is connected with condenser first import, condenser first exports and is connected with gas-liquid separator import, first outlet of gas-liquid separator is connected with Subcooled heat recovery device first import, Subcooled heat recovery device first exports and is connected with evaporator, evaporator outlet is connected with absorber first import, gas-liquid separator second exports and is connected with injector second import, injector outlet is connected with vortex tube import, the outlet of vortex tube hot junction is connected with the first import of solution heat exchanger, solution heat exchanger first exports and is connected with absorber the 4th import, vortex tube cold side outlet is connected with Subcooled heat recovery device second import, Subcooled heat recovery device second outlet is connected with solution heat exchanger second import, solution heat exchanger second exports and is connected with absorber second import, first outlet of absorber is connected with solution heat exchanger triple feed inlet, 3rd outlet of solution heat exchanger is connected with generator import, generator second exports and is connected with solution heat exchanger the 4th import, solution heat exchanger the 4th outlet is connected with absorber triple feed inlet.
Further, also comprise solution pump, first solution control valve, second throttle, first outlet of absorber is connected with the import of solution pump, solution pump outlet is connected with solution heat exchanger triple feed inlet, and solution heat exchanger the 4th outlet is connected with the first solution control valve import, and the first solution control valve outlet is connected with absorber triple feed inlet; Subcooled heat recovery device first exports and is connected with second throttle import, and second throttle outlet is connected with evaporator.
The invention discloses another kind of refrigeration system, comprise generator, condenser, gas-liquid separator, Subcooled heat recovery device, evaporimeter, injector, vortex tube, absorber, solution heat exchanger; An outlet of generator is divided into two-way, and a road is communicated with injector, contacts with condenser, gas-liquid separator, Subcooled heat recovery device, evaporimeter, absorber order successively in another road; Gas-liquid separator is in parallel with evaporimeter imports injector; Injector outlet is connected with vortex tube successively; The outlet of vortex tube hot junction is contacted with solution heat exchanger, absorber order, vortex tube cold side outlet and Subcooled heat recovery device, solution heat exchanger, absorber order are contacted, described absorber, solution heat exchanger, generator, solution heat exchanger, absorber order series winding.
The technical scheme that the present invention limits further is:
Further, first outlet of generator is divided into two-way, the first via is connected with injector first import, second tunnel is connected with condenser first import, condenser first exports and is connected with gas-liquid separator import, first outlet of vapour liquid separator is connected with Subcooled heat recovery device first import, Subcooled heat recovery device first exports and is connected with evaporator, evaporimeter first exports and is connected with absorber first import, evaporimeter second export to export with gas-liquid separator second converge after be connected with injector second import, injector outlet is connected with vortex tube import, the outlet of vortex tube hot junction is connected with the first import of solution heat exchanger, solution heat exchanger first exports and is connected with absorber the 4th import, vortex tube cold side outlet is connected with Subcooled heat recovery device second import, Subcooled heat recovery device second outlet is connected with solution heat exchanger second import, solution heat exchanger second exports and is connected with absorber second import, first outlet of absorber is connected with solution heat exchanger triple feed inlet, 3rd outlet of solution heat exchanger is connected with generator import, generator second exports and is connected with solution heat exchanger the 4th import, solution heat exchanger the 4th outlet is connected with absorber triple feed inlet.
Further, also comprise solution pump, the first solution control valve, second throttle and the 3rd choke valve, the first outlet of absorber is connected with the import of solution pump, and solution pump outlet is connected with solution heat exchanger triple feed inlet; Solution heat exchanger the 4th outlet is connected with the first solution control valve import, and the first solution control valve outlet is connected with absorber triple feed inlet; Subcooled heat recovery device first exports and is connected with second throttle import, and second throttle outlet is connected with evaporator; Gas-liquid separator second exports and is connected with the 3rd choke valve import, and the 3rd choke valve outlet and evaporimeter second are connected with injector second import after exporting and converging.
In the present invention, inventive refrigeration system can adopt CO
2-ionic liquid, CO
2one in-MDEA, freon-absorbent (such as R134a-DMF), ammoniacal liquor.
Further, cooler (2) is gas cooler.
Vortex tube is the simple energy separation device of a kind of structure, and be effective one of ideal style utilizing low-grade heat source, its refrigeration circulates from mechanical compression refrigeration, absorption refrigeration cycle mechanism is completely different; In view of vortex tube has significant energy separation characteristic, Chinese scholars is devoted to the aspects such as refrigerant substitute, vortex tube structure design and vortex tube energy separation mechanism always and has been carried out a large amount of theory and experimental study.
Beneficial effect of the present invention is: 1. according to thermodynamic principles and cascaded utilization of energy principle, and the low-grade cold proposing to utilize vortex tube injection composite absorption refrigeration system to be produced by vortex tube is replaced into high-grade cold, realizes the efficient conversion of cold product interdigit.2. introduce injector can improve and enter absorber gas pressure, be conducive to strengthening solution absorption efficiency.3. vortex tube is applied in enclosed injection absorbent refrigeration system by the present invention, recycles the cold of vortex tube cold junction cryogenic gas and the heat of hot junction high-temperature gas, namely utilizes the cold-producing medium rich solution of hot junction high-temperature gas heating from solution heat exchanger of vortex tube; The cold junction cryogenic gas of vortex tube is utilized to cross the cold liquid from gas-liquid separator, make it to become subcooled liquid, compared with conventional spray absorption refrigeration cycle, vortex tube is introduced in new circulation, the expansion work of cold-producing medium throttling process in abundant recovery system, reduce restriction loss, effectively can reduce cryogenic temperature, improve circularly cooling coefficient and refrigerating effect per unit swept volume.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of an embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the another kind of embodiment of the present invention.
In figure: generator 1, condenser (gas cooler) 2, gas-liquid separator 3, Subcooled heat recovery device 4, evaporimeter 5, injector 6, vortex tube 7, absorber 8, solution heat exchanger 9, solution pump 10, the first solution control valve 11, second throttle 12.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be understood that and be only exemplary below, do not limit the scope of the invention.
Embodiment 1
For an efficient injection absorption refrigerating machine for freezing and refrigeration, as shown in Figure 1, comprise generator 1, condenser (gas cooler) 2, gas-liquid separator 3, Subcooled heat recovery device 4, evaporimeter 5, injector 6, vortex tube 7, absorber 8, solution heat exchanger 9, solution pump 10, solution control valve 11, second throttle 12, wherein, first outlet of generator 1 is divided into two-way, the first via is connected with injector 6 first import, second tunnel is connected with condenser (gas cooler) 2 first import, condenser (gas cooler) 2 first outlet is connected with gas-liquid separator 3 import, first outlet of gas-liquid separator 3 is connected with Subcooled heat recovery device 4 first import, Subcooled heat recovery device 4 first outlet is connected with evaporimeter 5 import, evaporimeter 5 exports and is connected with absorber 8 first import, gas-liquid separator 3 second outlet is connected with injector 6 second import, injector 6 exports and is connected with vortex tube 7 import, the outlet of vortex tube 7 hot junction is connected with the first import of solution heat exchanger 9, solution heat exchanger first exports and is connected with absorber 8 the 4th import, vortex tube 7 cold side outlet is connected with Subcooled heat recovery device 4 second import, Subcooled heat recovery device 4 second outlet is connected with solution heat exchanger 9 second import, solution heat exchanger 9 second outlet is connected with absorber 8 second import, first outlet of absorber 8 is connected with solution heat exchanger 9 triple feed inlet, 3rd outlet of solution heat exchanger 9 is connected with generator 1 import, generator 1 second outlet is connected with solution heat exchanger 9 the 4th import, solution heat exchanger 9 the 4th outlet is connected with absorber 8 triple feed inlet, first outlet of absorber 8 is connected with the import of solution pump 10, solution pump 10 exports and is connected with solution heat exchanger 9 triple feed inlet, solution heat exchanger 9 the 4th outlet is connected with the first solution control valve 11 import, and the first solution control valve 11 exports and is connected with absorber 8 triple feed inlet, Subcooled heat recovery device 4 first outlet is connected with second throttle 12 import, and second throttle 12 exports and is connected with evaporimeter 5 import.
In the present embodiment, working medium adopts CO
2-[emim] [Tf
2n] mixed working fluid.Generator 1 cold-producing medium rich solution absorbs heat from heat source (the general 80-110 DEG C of temperature) and produces high-temperature high-pressure refrigerant steam afterwards, be divided into two-way, one tunnel is as the working fluid of injector 6, another road enters gas cooler 2 and cools heat release, the heat water-band that is cooled is walked, cooled gas-liquid two-phase cold-producing medium CO
2enter gas-liquid separator 3, wherein vapor phase refrigerant is entered vortex tube 7 as the ejection gas of injector 6 by from after the working gas injection boosting of generator 1, hot junction high-temperature gas and cold junction cryogenic gas is produced after this occurrence temperature is separated, hot junction high-temperature gas enters absorber 8 after pre-warm refrigerant rich solution in solution heat exchanger 9, cold junction cryogenic gas enters solution heat exchanger 9, with cold-producing medium lean solution (containing a small amount of CO cross cold refrigerant liquid in Subcooled heat recovery device 4 after
2[emim] [Tf
2n] mixed solution) enter absorber 8 after heat exchange, liquid phase refrigerant crossed from vortex tube 7 cold junction gas in subcooler 4 cold after, evaporimeter 5 sweat cooling is entered after choke valve 12 throttling, the refrigerant vapour coming flash-pot 5 and the cold and hot end of vortex tube 7 enters absorber 8 cooled doses of lean solutions absorptions becomes cold-producing medium rich solution, solution heat exchanger 9 is pumped into after solution pump 10 is pressurizeed, this with carry out exchange heat from the high temperature refrigerant lean solution of generator 1 and vortex tube 7 hot junction refrigerant gas after enter generator 1, cold-producing medium rich solution absorbs after heat from heat source produces cold-producing medium evaporation in generator 1 becomes cold-producing medium lean solution, absorber 8 is entered by from after absorber 8 cold-producing medium rich solution and the cooling of the refrigerant gas after subcooler 4 heat exchange in solution heat exchanger 9, absorb the cold and hot end refrigerant vapour of flash-pot 5 and vortex tube 7, thus complete solution circulation and refrigerant circulation.
The present invention is according to thermodynamic principles and cascaded utilization of energy principle, and the low-grade cold proposing to utilize vortex tube injection composite absorption refrigeration system to be produced by vortex tube is replaced into high-grade cold, realizes the efficient conversion of cold product interdigit; Vortex tube is applied in enclosed and sprays in absorbent refrigeration system by this system, recycle the cold of vortex tube cold junction cryogenic gas and the heat of hot junction high-temperature gas, compared with conventional spray absorption refrigeration cycle, novel vortex tube-injection absorbent refrigeration system has the advantages that COP is high, cryogenic temperature is low, and energy-saving effect is obvious.Introducing vortex tube and injector effectively can reduce the restriction loss of kind of refrigeration cycle, improve the gas pressure entering absorber, are conducive to improving circularly cooling efficiency; Introduce injector can improve and enter absorber gas pressure, be conducive to strengthening solution absorption efficiency.
Embodiment 2
For an efficient injection absorption refrigerating machine for freezing and refrigeration, as shown in Figure 2, comprise generator 1, condenser (gas cooler) 2, gas-liquid separator 3, Subcooled heat recovery device 4, evaporimeter 5, injector 6, vortex tube 7, absorber 8, solution heat exchanger 9, solution pump 10, solution control valve 11, second throttle 12, wherein, first outlet of generator 1 is divided into two-way, the first via is connected with injector 6 first import, second tunnel is connected with condenser (gas cooler) 2 first import, condenser (gas cooler) 2 first outlet is connected with gas-liquid separator 3 import, first outlet of vapour liquid separator is connected with Subcooled heat recovery device 4 first import, Subcooled heat recovery device 4 first outlet is connected with evaporimeter 5 import, evaporimeter 5 first outlet is connected with absorber 8 first import, evaporimeter 5 second outlet exports with gas-liquid separator 3 second and is connected with injector 6 second import with rear, injector 6 exports and is connected with vortex tube 7 import, the outlet of vortex tube 7 hot junction is connected with the first import of solution heat exchanger 9, solution heat exchanger first exports and is connected with absorber 8 the 4th import, vortex tube 7 cold side outlet is connected with Subcooled heat recovery device 4 second import, Subcooled heat recovery device 4 second outlet is connected with solution heat exchanger 9 second import, solution heat exchanger 9 second outlet is connected with absorber 8 second import, first outlet of absorber 8 is connected with solution heat exchanger 9 triple feed inlet, 3rd outlet of solution heat exchanger 9 is connected with generator 1 import, generator 1 second outlet is connected with solution heat exchanger 9 the 4th import, solution heat exchanger 9 the 4th outlet is connected with absorber 8 triple feed inlet, first outlet of absorber 8 is connected with the import of solution pump 10, and solution pump 10 exports and is connected with solution heat exchanger 9 triple feed inlet, solution heat exchanger 9 the 4th outlet is connected with the first solution control valve 11 import, and the first solution control valve 11 exports and is connected with absorber 8 triple feed inlet, Subcooled heat recovery device 4 first outlet is connected with second throttle 12 import, second throttle 12 exports and is connected with evaporimeter 5 import, gas-liquid separator 3 is connected with the 3rd choke valve import, and the 3rd choke valve outlet and evaporimeter 5 second are connected with injector 6 after exporting and converging.
In the present embodiment, working medium adopts CO
2-[bmim] [PF
6] be refrigerant mixtures pair.Generator 1 cold-producing medium rich solution absorbs heat from heat source (temperature range is at 280 DEG C-300 DEG C) and produces high-temperature high-pressure refrigerant steam afterwards, be divided into two-way, one tunnel is as the working fluid of injector 6, another road enters gas cooler 2 and cools heat release, the heat water-band that is cooled is walked, cooled gas-liquid two-phase cold-producing medium CO
2enter gas-liquid separator 3, wherein vapor phase refrigerant enters vortex tube 7 after being boosted by the working gas injection from generator 1 as the ejection gas of injector 6 together with carrying out the refrigerant gas of flash-pot 5 after choke valve 13 step-down, hot junction high-temperature gas and cold junction cryogenic gas is produced after this occurrence temperature is separated, hot junction high-temperature gas enters absorber 8 after pre-warm refrigerant rich solution in solution heat exchanger 9, cold junction cryogenic gas in Subcooled heat recovery device 4 excessively cold enter the refrigerant liquid of evaporimeter 5 after enter solution heat exchanger 9, with cold-producing medium lean solution (containing a small amount of CO
2[bmim] [PF
6] mixed solution) enter absorber 8 after heat exchange; liquid phase refrigerant crossed from vortex tube 7 cold junction gas in subcooler 4 cold after enter evaporimeter 5 sweat cooling through choke valve 12 throttling, two-way is divided at the refrigerant gas of this evaporation, wherein a road together with the refrigerant gas after choke valve 13 reducing pressure by regulating flow as the ejection gas of injector 6, another road refrigerant gas directly enters absorber 8, cooled dose of lean solution absorbs and becomes cold-producing medium rich solution together with vortex tube 7 cold and hot end refrigerant gas, solution heat exchanger 9 is pumped into after solution pump 10 is pressurizeed, this with carry out exchange heat from the high temperature refrigerant lean solution of generator 1 and vortex tube 7 hot junction refrigerant gas after enter generator 1, cold-producing medium rich solution absorbs the evaporation of low-grade heat source heat generation cold-producing medium in generator 1 becomes cold-producing medium lean solution, absorber 8 is entered by from after absorber 8 cold-producing medium rich solution and the cooling of the refrigerant gas after subcooler 4 heat exchange in solution heat exchanger 9, absorb flash-pot 5 and the cold and hot end refrigerant gas of vortex tube 7, thus complete solution circulation and refrigerant circulation.
The present invention is according to thermodynamic principles and cascaded utilization of energy principle, and the low-grade cold proposing to utilize vortex tube injection composite absorption refrigeration system to be produced by vortex tube is replaced into high-grade cold, realizes the efficient conversion of cold product interdigit; Vortex tube is applied in enclosed and sprays in absorbent refrigeration system by this system, recycle the cold of vortex tube cold junction cryogenic gas and the heat of hot junction high-temperature gas, compared with conventional spray absorption refrigeration cycle, novel vortex tube-injection absorbent refrigeration system has the advantages that COP is high, cryogenic temperature is low, and energy-saving effect is obvious.Introduce the restriction loss that vortex tube effectively can reduce kind of refrigeration cycle, be conducive to improving circularly cooling efficiency; Introduce injector can improve and enter absorber gas pressure, be conducive to strengthening solution absorption efficiency.
Claims (8)
1., for an efficient injection absorption refrigerating machine for freezing and refrigeration, comprise generator, condenser, gas-liquid separator, Subcooled heat recovery device, evaporimeter, injector, vortex tube, absorber, solution heat exchanger; An outlet of generator is divided at least two-way, and the first via is communicated with injector, contacts with condenser, gas-liquid separator, Subcooled heat recovery device, evaporimeter, absorber order successively in the second tunnel; The outlet of gas-liquid separator is contacted with injector, vortex tube import order successively, the outlet of vortex tube hot junction is contacted with solution heat exchanger, absorber order successively, vortex tube cold side outlet is contacted with Subcooled heat recovery device, solution heat exchanger, absorber order successively, described absorber, solution heat exchanger, generator, solution heat exchanger, absorber order series winding.
2. efficient injection absorption refrigerating machine according to claim 1, it is characterized in that: the first outlet of generator is divided into two-way, the first via is connected with injector first import, second tunnel is connected with condenser first import, condenser first exports and is connected with gas-liquid separator import, first outlet of gas-liquid separator is connected with Subcooled heat recovery device first import, Subcooled heat recovery device first exports and is connected with evaporator, evaporator outlet is connected with absorber first import, gas-liquid separator second exports and is connected with injector second import, injector outlet is connected with vortex tube import, the outlet of vortex tube hot junction is connected with the first import of solution heat exchanger, solution heat exchanger first exports and is connected with absorber the 4th import, vortex tube cold side outlet is connected with Subcooled heat recovery device second import, Subcooled heat recovery device second outlet is connected with solution heat exchanger second import, solution heat exchanger second exports and is connected with absorber second import, first outlet of absorber is connected with solution heat exchanger triple feed inlet, 3rd outlet of solution heat exchanger is connected with generator import, generator second exports and is connected with solution heat exchanger the 4th import, solution heat exchanger the 4th outlet is connected with absorber triple feed inlet.
3. efficient injection absorption refrigerating machine according to claim 2, it is characterized in that: also comprise solution pump, solution control valve, second throttle, first outlet of absorber is connected with the import of solution pump, solution pump outlet is connected with solution heat exchanger triple feed inlet, and solution heat exchanger the 4th outlet is connected with the first solution control valve import, and the first solution control valve outlet is connected with absorber triple feed inlet; Subcooled heat recovery device first exports and is connected with second throttle import, and second throttle outlet is connected with evaporator.
4., for an efficient injection absorption refrigerating machine for freezing and refrigeration, comprise generator, cooler, gas-liquid separator, Subcooled heat recovery device, evaporimeter, injector, vortex tube, absorber, solution heat exchanger; An outlet of generator is divided into two-way, one tunnel is communicated with injector, contact with cooler, gas-liquid separator, Subcooled heat recovery device, evaporimeter, absorber order successively in another road, gas-liquid separator is in parallel with evaporimeter imports injector, and injector outlet is connected with vortex tube successively; The outlet of vortex tube hot junction is contacted with solution heat exchanger, absorber order, vortex tube cold side outlet and Subcooled heat recovery device, solution heat exchanger, absorber order are contacted, described absorber, solution heat exchanger, generator, solution heat exchanger, absorber order series winding.
5. efficient injection absorption refrigerating machine according to claim 4, it is characterized in that: the first outlet of generator is divided into two-way, the first via is connected with injector first import, second tunnel is connected with condenser first import, condenser first exports and is connected with gas-liquid separator import, first outlet of vapour liquid separator is connected with Subcooled heat recovery device first import, Subcooled heat recovery device first exports and is connected with evaporator, evaporimeter first exports and is connected with absorber first import, evaporimeter second exports to export with gas-liquid separator second and is connected with injector second import with rear, injector outlet is connected with vortex tube import, the outlet of vortex tube hot junction is connected with the first import of solution heat exchanger, solution heat exchanger first exports and is connected with absorber the 4th import, vortex tube cold side outlet is connected with Subcooled heat recovery device second import, Subcooled heat recovery device second outlet is connected with solution heat exchanger second import, solution heat exchanger second exports and is connected with absorber second import, first outlet of absorber is connected with solution heat exchanger triple feed inlet, 3rd outlet of solution heat exchanger is connected with generator import, generator second exports and is connected with solution heat exchanger the 4th import, solution heat exchanger the 4th outlet is connected with absorber triple feed inlet.
6. efficient injection absorption refrigerating machine according to claim 5, it is characterized in that: also comprise solution pump, solution control valve, second throttle and the 3rd choke valve, the first outlet of absorber is connected with the import of solution pump, and solution pump outlet is connected with solution heat exchanger triple feed inlet; Solution heat exchanger the 4th outlet is connected with the first solution control valve import, and the first solution control valve outlet is connected with absorber triple feed inlet; Subcooled heat recovery device first exports and is connected with second throttle import, and second throttle outlet is connected with evaporator, and gas-liquid separator is connected with the 3rd choke valve import, and the 3rd choke valve outlet and evaporimeter second are connected with injector after exporting and converging.
7. the efficient injection absorption refrigerating machine according to the arbitrary claim of claim 1-6, is characterized in that: the fluid working substance of filling in this device is CO
2-ionic liquid, CO
2one in-MDEA, freon-absorbent, ammoniacal liquor.
8. the efficient injection absorption refrigerating machine according to claim 1 or 2 or 4 or 5, is characterized in that: described cooler is gas cooler.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352218A (en) * | 2015-12-04 | 2016-02-24 | 内蒙古科技大学 | Absorption refrigeration system based on vortex tube and working method |
| CN105402932A (en) * | 2015-12-04 | 2016-03-16 | 内蒙古科技大学 | Low-temperature absorption and refrigeration system with vortex tube and working method |
| CN105485959A (en) * | 2015-12-04 | 2016-04-13 | 内蒙古科技大学 | Low-grade thermally driven vortex tube-ejector absorption refrigeration system |
| CN108163398A (en) * | 2018-01-12 | 2018-06-15 | 中国矿业大学 | A kind of efficiently controlling pressure cryogenic propellant storage tank with induction apparatus |
| CN114543381A (en) * | 2022-03-25 | 2022-05-27 | 浙江工业大学 | Vortex jet self-adaptive solar energy conversion refrigeration system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206457A (en) * | 1995-11-10 | 1999-01-27 | 诺丁汉大学 | Rotatable heat transfer apparatus |
| US6305173B1 (en) * | 1995-07-31 | 2001-10-23 | Soloman S. Fineblum | Vortex chamber generator for absorption heat pump and system using same |
| US20030167792A1 (en) * | 2002-03-06 | 2003-09-11 | Via Holdings, Llc | Refrigeration system with liquid refrigerant injection to the condenser |
| JP2005114241A (en) * | 2003-10-08 | 2005-04-28 | Hitachi Ltd | Absorption water cooler-heater |
| WO2005108880A1 (en) * | 2004-05-11 | 2005-11-17 | Cyclect Singapore Pte Ltd | A regenerative adsorption system |
| CN201997237U (en) * | 2010-11-15 | 2011-10-05 | 谢逢华 | Drying air compressor refrigerating with heat thereof and air |
| CN102252446A (en) * | 2011-07-08 | 2011-11-23 | 浙江大学 | Ejector-based vortex pipe refrigeration system |
| CN102798247A (en) * | 2012-08-08 | 2012-11-28 | 内蒙古科技大学 | Low-grade-energy drive CO2 absorption refrigeration system |
| CN204254923U (en) * | 2014-11-28 | 2015-04-08 | 天津商业大学 | The CO2 refrigeration system that vortex tube and injector combine |
-
2015
- 2015-07-31 CN CN201510466726.9A patent/CN105066508B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6305173B1 (en) * | 1995-07-31 | 2001-10-23 | Soloman S. Fineblum | Vortex chamber generator for absorption heat pump and system using same |
| CN1206457A (en) * | 1995-11-10 | 1999-01-27 | 诺丁汉大学 | Rotatable heat transfer apparatus |
| US20030167792A1 (en) * | 2002-03-06 | 2003-09-11 | Via Holdings, Llc | Refrigeration system with liquid refrigerant injection to the condenser |
| JP2005114241A (en) * | 2003-10-08 | 2005-04-28 | Hitachi Ltd | Absorption water cooler-heater |
| WO2005108880A1 (en) * | 2004-05-11 | 2005-11-17 | Cyclect Singapore Pte Ltd | A regenerative adsorption system |
| CN201997237U (en) * | 2010-11-15 | 2011-10-05 | 谢逢华 | Drying air compressor refrigerating with heat thereof and air |
| CN102252446A (en) * | 2011-07-08 | 2011-11-23 | 浙江大学 | Ejector-based vortex pipe refrigeration system |
| CN102798247A (en) * | 2012-08-08 | 2012-11-28 | 内蒙古科技大学 | Low-grade-energy drive CO2 absorption refrigeration system |
| CN204254923U (en) * | 2014-11-28 | 2015-04-08 | 天津商业大学 | The CO2 refrigeration system that vortex tube and injector combine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352218A (en) * | 2015-12-04 | 2016-02-24 | 内蒙古科技大学 | Absorption refrigeration system based on vortex tube and working method |
| CN105402932A (en) * | 2015-12-04 | 2016-03-16 | 内蒙古科技大学 | Low-temperature absorption and refrigeration system with vortex tube and working method |
| CN105485959A (en) * | 2015-12-04 | 2016-04-13 | 内蒙古科技大学 | Low-grade thermally driven vortex tube-ejector absorption refrigeration system |
| CN108163398A (en) * | 2018-01-12 | 2018-06-15 | 中国矿业大学 | A kind of efficiently controlling pressure cryogenic propellant storage tank with induction apparatus |
| CN108163398B (en) * | 2018-01-12 | 2019-09-13 | 中国矿业大学 | A kind of efficiently controlling pressure cryogenic propellant storage tank with induction apparatus |
| CN114543381A (en) * | 2022-03-25 | 2022-05-27 | 浙江工业大学 | Vortex jet self-adaptive solar energy conversion refrigeration system |
| CN114543381B (en) * | 2022-03-25 | 2024-05-03 | 浙江工业大学 | Vortex jet self-adaptive solar energy conversion refrigerating system |
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