CN102654326B - Double-injection refrigeration device synergized by gas-liquid ejector - Google Patents
Double-injection refrigeration device synergized by gas-liquid ejector Download PDFInfo
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- CN102654326B CN102654326B CN2012101664602A CN201210166460A CN102654326B CN 102654326 B CN102654326 B CN 102654326B CN 2012101664602 A CN2012101664602 A CN 2012101664602A CN 201210166460 A CN201210166460 A CN 201210166460A CN 102654326 B CN102654326 B CN 102654326B
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Abstract
The invention discloses a double-injection refrigeration device synergized by a gas-liquid ejector, which belongs to the technical field of low-grade energy utilization and refrigeration. The double-injection refrigeration device synergized by a gas-liquid ejector relates to an injection type refrigeration device driven by a low-temperature heat source. On the basis of the traditional injection refrigeration device, a gas-liquid ejector and a gas-liquid separator are added; an evaporator is connected with the gas-liquid ejector by the gas-liquid ejector and the gas-liquid separator; the condenser is connected with the evaporator by the gas-liquid ejector, the gas-liquid separator and an expansion valve; and the condenser is connected with a generator by the gas-liquid ejector, the gas-liquid separator and a circulating pump. According to the double-injection refrigeration device, parts of functions of the expansion valve are replaced by the gas-liquid ejector, parts of expansion functions wasted in the original throttling process can be recycled, and the performance of the traditional injection refrigeration system is improved.
Description
Technical field
The present invention relates to a kind of refrigerating plant, especially a kind of two injection type cooling devices that are applicable to the gas-liquid ejector synergy of low-grade energy utilization and refrigeration technology field.
Background technology
At present, energy scarcity and environmental pollution have become the major issue that the whole world must be faced and solve.Save the energy, improve energy utilization rate, and protection of the environment, realize that sustainable development has become a theme of current era.Injection type cooling device can utilize the low-grade energies such as solar energy, geothermal energy, industrial waste heat as drive source, not only, for the utilization rate that improves the existing energy provides approach, can also effectively alleviate " power cuts to limit consumption " phenomenon that drive the operation of air conditioner refrigerating device to cause due to a large amount of electricity summer.
?the overall structure schematic diagram that Fig. 1 is conventional spray formula refrigerating plant, this device mainly is comprised of condenser a, gas gas blowout emitter b, evaporimeter c, generator d, circulating pump e, expansion valve f and connecting pipe.The course of work of this device is: the steam of the HTHP produced in generator d, nozzle by gas gas blowout emitter, form lower pressure in exit, thereby the steam injection of the low-temp low-pressure that produces in evaporimeter c is entered to injector, two fluid streams fully are mixed into the fluid that one pressure is higher, enter condenser a and be condensed into liquid, this part liquid part flows back to generator d and continues to use after circulating pump e supercharging, another part flows back to evaporimeter c evaporation endothermic after expansion valve f decompression, realizes refrigeration effect.
Increasing along with people to requirement of low temperature, the power consumption of refrigeration system is increasing, no matter from saving energy angle or, from the angle of environmental protection, all needing to improve the refrigerating efficiency of existing refrigerating plant.Therefore the efficiency that further improves injection cooling device is significant to the development of ejector refrigeration technology.
Summary of the invention
Technical problem: the objective of the invention is to overcome the weak point in prior art, provide a kind of simple in structure, can recycle two injection type cooling devices of the gas-liquid ejector synergy of the expansion work that originally is wasted in throttling process.
Technical scheme: two injection type cooling devices of gas-liquid ejector synergy of the present invention, comprise condenser, generator, evaporimeter, the pipeline that generator is connected with condenser is provided with gas gas blowout emitter, the entrance pipe of generator is provided with circulating pump, the entrance pipe of evaporimeter is provided with expansion valve, described evaporimeter is provided with gas-liquid separator with the pipeline that gas gas blowout emitter is connected, the export pipeline of described condenser is provided with gas-liquid ejector, the outlet of gas-liquid ejector is connected with the entrance of gas-liquid separator by the road, one of gas-liquid separator brings out mouth and is connected with the entrance of gas gas blowout emitter by the road, other end exit connects respectively evaporimeter and generator through triplate line, the outlet of evaporimeter connects gas-liquid ejector by the road.
Beneficial effect: the present invention has increased gas-liquid ejector and gas-liquid separator on the basis of conventional spray formula refrigerating plant, evaporimeter is connected with gas gas blowout emitter with gas-liquid separator by gas-liquid ejector, and condenser is connected with evaporimeter with expansion valve by gas-liquid ejector, gas-liquid separator; Condenser is connected with generator with circulating pump by gas-liquid ejector, gas-liquid separator.Overcome conventional apparatus expansion valve larger defect of expansion work loss in throttling process, effectively reclaimed and utilized the expansion work of originally wasting in throttling process.The cold steam of the lower pressure that the condensate liquid of the elevated pressures that this device utilizes gas-liquid ejector that condenser is produced and evaporimeter produce is mixed into one pressure gas-liquid two-phase fluid placed in the middle, and pass through gas-liquid separator separates, wherein the gas phase part is as the injection steam of gas gas blowout emitter, and liquid phase part flows back to evaporimeter and generator through expansion valve and circulating pump respectively.With conventional apparatus, compare, the pressure of gas gas blowout emitter injection steam has improved, promoted the efficiency of gas gas blowout emitter, pressure reduction before and after expansion valve has reduced on the other hand, thereby reduced restriction loss, comprehensive these two aspects, this device has improved the efficiency of conventional spray formula refrigerating plant, producing under identical refrigerating capacity condition, energy consumption will reduce.
The accompanying drawing explanation
fig. 1 is conventional spray formula refrigerating plant overall structure schematic diagram.
In figure: a condenser; B gas gas blowout emitter; The c evaporimeter; The d generator; The e circulating pump; The f expansion valve; 1,2,3,4,5,6 pipelines.
Fig. 2 is structural representation of the present invention.
In figure: the A condenser; B gas gas blowout emitter; The C gas-liquid separator; The D generator; The E circulating pump; The F expansion valve; The G evaporimeter; The H gas-liquid ejector; 1,2,3,4,5,6,7,8,9 pipelines.
The specific embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
As shown in Figure 2, two injection type cooling devices of gas-liquid ejector synergy of the present invention, increased gas-liquid ejector H and gas-liquid separator C in conventional spray formula refrigerating plant, mainly formed by condenser A, gas gas blowout emitter B, gas-liquid separator C, generator D, circulating pump E, expansion valve F, evaporimeter G, gas-liquid ejector H.Pipeline 2, 3 and 6 junction is provided with gas gas blowout emitter B, pipeline 4, 5 and 9 junction is provided with gas-liquid ejector H, the entrance pipe 1 of generator D is provided with circulating pump E, the entrance pipe 8 of evaporimeter G is provided with expansion valve F, described evaporimeter G is provided with gas-liquid ejector H and gas-liquid separator C with the pipeline that gas gas blowout emitter B is connected, the outlet of described condenser A 4 is connected with gas-liquid ejector H by the road, the outlet of gas-liquid ejector H 5 is connected with the entrance of gas-liquid separator C by the road, the port of export of gas-liquid separator C has three, one of gas-liquid separator C brings out mouth and 6 is connected with the injecting chamber entrance of gas gas blowout emitter B by the road, other end exit is through triplate line 7 shuntings, a port of export is connected with the arrival end of evaporimeter G by expansion valve F, another port of export is connected with the entrance point of generator D by circulating pump E, the outlet of evaporimeter G 9 is connected with the injecting chamber arrival end of gas-liquid ejector H by the road, the outlet of generator D 2 is connected with the main burner entrance of gas gas blowout emitter B by the road.
Operation principle and process: in generator D, cold-producing medium absorbs the steam that heat becomes HTHP, nozzle by gas gas blowout emitter B, form lower pressure in exit, thereby lower steam injection enters gas gas blowout emitter B by the isolated pressure of gas-liquid separator C, two fluid streams fully are mixed into the fluid that one pressure is higher, enter condenser A and be condensed into liquid, nozzle by gas-liquid ejector H, form lower pressure in exit, thereby the cold steam injection of the low-temp low-pressure that produces in evaporimeter G is entered to gas-liquid ejector H, two fluid streams fully are mixed into one pressure two-phase fluid placed in the middle, drain into gas-liquid separator C, steam after separation is entered gas gas blowout emitter B by injection, a liquid part after separation enters evaporimeter G evaporation and produces cold after expansion valve F reducing pressure by regulating flow, another part is sent generator D back to and is reuptaked the heat generation working steam after circulating pump E pressurization, thereby complete whole cyclic process.
The working cycles path has 3:
Article one, be gas-liquid separator C-circulating pump E-generator D-gas gas blowout emitter B-condenser A-gas-liquid ejector H-gas-liquid separator C, that is: 7-pipeline 1-pipeline 2-pipeline 3-pipeline 4-pipeline 5-pipeline 7 by the road;
Second is gas-liquid separator C-expansion valve F-evaporimeter G-gas-liquid ejector H-gas-liquid separator C, that is: 7-pipeline 8-pipeline 9-pipeline 5-pipeline 7 by the road;
Article three, be gas-liquid separator C-gas gas blowout emitter B-condenser A-gas-liquid ejector H-gas-liquid separator C, that is: 6-pipeline 3-pipeline 4-pipeline 5-pipeline 6 by the road.
Claims (1)
1. two injection type cooling devices of a gas-liquid ejector synergy, comprise condenser (A), generator (D), evaporimeter (G), the pipeline that generator (D) is connected with condenser (A) is provided with gas gas blowout emitter (B), the entrance pipe of generator (D) is provided with circulating pump (E), the entrance pipe of evaporimeter (G) is provided with expansion valve (F), it is characterized in that: the pipeline that described evaporimeter (G) is connected with gas gas blowout emitter (B) is provided with gas-liquid separator (C), the export pipeline of described condenser (A) is provided with gas-liquid ejector (H), the outlet of gas-liquid ejector (H) is connected with the entrance of gas-liquid separator (C) by the road, one of gas-liquid separator (C) brings out mouth and is connected with the entrance of gas gas blowout emitter (B) by the road, other end exit connects respectively evaporimeter (G) and generator (D) through triplate line, the outlet of evaporimeter (G) connects gas-liquid ejector (H) by the road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101664602A CN102654326B (en) | 2012-05-28 | 2012-05-28 | Double-injection refrigeration device synergized by gas-liquid ejector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101664602A CN102654326B (en) | 2012-05-28 | 2012-05-28 | Double-injection refrigeration device synergized by gas-liquid ejector |
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| Publication Number | Publication Date |
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| CN102654326A CN102654326A (en) | 2012-09-05 |
| CN102654326B true CN102654326B (en) | 2013-12-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994599A (en) * | 2014-05-29 | 2014-08-20 | 中国矿业大学 | Transcritical injection and refrigeration system based on gas-liquid injection pump |
| CN104406323B (en) * | 2014-12-16 | 2016-10-12 | 山东大学 | A kind of three grades of ejector refrigeration systems |
| CN106403355A (en) * | 2016-11-22 | 2017-02-15 | 中国矿业大学 | Ejection refrigeration system with double evaporators |
| CN108679878B (en) * | 2018-04-27 | 2020-04-10 | 西安交通大学 | Self-cascade refrigeration cycle system and refrigeration cycle method for increasing efficiency by adopting double ejectors |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153021Y (en) * | 1993-03-17 | 1994-01-12 | 仲跻耀 | Electric heating steam jet type refrigerator |
| KR100346272B1 (en) * | 2000-05-31 | 2002-07-26 | 엘지전자주식회사 | The refrigerating system with bypass and ejector |
| CN102384604A (en) * | 2011-10-26 | 2012-03-21 | 河南科技大学 | Double-temperature-heat-source injection-type refrigeration system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7159407B2 (en) * | 2004-06-09 | 2007-01-09 | Chen Kuo-Mei | Atomized liquid jet refrigeration system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153021Y (en) * | 1993-03-17 | 1994-01-12 | 仲跻耀 | Electric heating steam jet type refrigerator |
| KR100346272B1 (en) * | 2000-05-31 | 2002-07-26 | 엘지전자주식회사 | The refrigerating system with bypass and ejector |
| CN102384604A (en) * | 2011-10-26 | 2012-03-21 | 河南科技大学 | Double-temperature-heat-source injection-type refrigeration system |
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