CN102519169A - Method for comprehensively using outward-exhausting waste heat in refrigerating process of supermarket showcase - Google Patents
Method for comprehensively using outward-exhausting waste heat in refrigerating process of supermarket showcase Download PDFInfo
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- CN102519169A CN102519169A CN2011104468163A CN201110446816A CN102519169A CN 102519169 A CN102519169 A CN 102519169A CN 2011104468163 A CN2011104468163 A CN 2011104468163A CN 201110446816 A CN201110446816 A CN 201110446816A CN 102519169 A CN102519169 A CN 102519169A
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Abstract
Provided is a method for comprehensively using outward-exhausting waste heat in a refrigerating process of a supermarket showcase. A heat exchanger is arranged at the top of the showcase, a controllable three-way valve capable of blocking refrigerant or reducing flow of the refrigerant flowing to the condenser is arranged in a connection pipeline capable of conveying externally-exhausting media carrying heat energy to an outdoor condenser after refrigerating of a compressor unit, the other port of the controllable three-way valve is directly connected with the heat exchanger arranged at the top of the showcase to form a waste heat system pipeline input passage, and the controllable three-way valve is further connected into a behind-valve pipeline which leads a three-way control valve to be communicated with the condenser of the compressor through the connection pipeline, so that a waste heat system pipeline back output passage is formed. Simultaneously, waste heat obtained by the heat exchanger can be communicated with the lower bottom of the showcase through a showcase back air passage to form a waste heat inner exhausting passage. Therefore, low temperature of the front ground of the showcase can be eliminated, temperature difference of partial areas of a supermarket can be reduced, purchasing environment of the supermarket can be improved, and simultaneously, the heat exchanger can serve as an indoor air conditioner to perform warming and heat preservation complement.
Description
Technical field
The present invention relates to a kind of recoverying and utilizing method of the waste heat energy, refer in particular to the hot method of comprehensive utilization of a kind of display case process of refrigerastion China and foreign countries' exhaust.
Background technology
At present large supermarket is in order to ensure that food is fresh, usually with food preservation in freezing, refrigerator display case, show for ease and choose commodity that showcase adopts multi-layer opened design usually, and a plurality of showcases are carried out arranging in the combination of sets.Usually concentrate to these showcases by the refrigeration compressor set in the special compressor room and carry low-temperature receiver.
The heat that produces in this compressor cooling process all directly is discharged into the exterior space in the ordinary course of things.In full summer the time, these heats that efflux not only cause the enhancing of " tropical island effect " in the regional area of cities and towns, also are a kind of invalid wastes of the energy simultaneously.Simultaneously, in the time in winter of cold, the heat energy that these showcase refrigeration backs produce has also been handled through the emptying in vain of outdoor unit member.
Simultaneously, in actual use, the cold air that overflows in the showcase use is deposited in the indoor spatial surface in supermarket, and the shopping passage place before showcase often forms a cold passage.In summer, cold passage can bring terribly cold sticky feeling to client, during the direct contacting skin of the cold air in the particularly cold passage.In winter, cold passage not only causes shopping passage upper and lower temperature difference excessive, and causes some areas temperature low excessively in the supermarket in, and the energy consumption that heats that the while also can increase the indoor hot air-conditioning in supermarket has in fact caused the waste of the energy again.
Poor day by day in resource, cutting down the consumption of energy becomes in modern society's life of green economy main attack problem, solves supermarket preservation by low temperature showcase high energy consumption problem and has realistic meaning.
Summary of the invention
The object of the invention: aim to provide a kind of heat recovery and utilization method of utilizing compressor; The cold air that heat that this system discharges when utilizing compressor cooling and showcase overflow is participated in air conditioning, can reduce the passage upper and lower temperature difference of doing shopping, and eliminates cold passage; Reduce the temperature difference between the inner region of supermarket; Also can reduce the heat that compressor directly discharges to the external world, can also play auxiliary heating effect, realize the environmental protection and energy saving target.
The hot method of comprehensive utilization of display case process of refrigerastion China and foreign countries' exhaust that the present invention proposes, the recoverying and utilizing method through to the heat of compressor achieves the above object.
This display case process of refrigerastion China and foreign countries' exhaust heat integration method; It is characterized in that: establish a heat exchanger on described showcase top; After compressor bank refrigeration, will efflux, carry and be provided with one in medium transport to the connecting line of outdoor condenser of heat energy and can block or reduce the controlled three-way valve that leads to the condenser cold medium flux; Another interface of this controlled three-way valve directly is connected to form the waste heat input channel with the heat exchanger of being located at the showcase top, and output channel after through another interface of heat exchanger is connected to the valve that three-way pilot valve leads to condenser through connecting line after, forming UTILIZATION OF VESIDUAL HEAT IN in the pipeline again; Simultaneously, the waste heat energy that said heat exchanger obtains through cabinet after the air channel constitute in the waste heat row's passage and both eliminated showcase bottom low temperature with being communicated with at the bottom of the cabinet of showcase bottom, play simultaneously and be room conditioning intensification, the supplementary function that is incubated.
Efflux hot and cold ability method of comprehensive utilization in this display case process of refrigerastion according to above technical scheme proposition, its advantage is:
1, making full use of the heat of discharging the compressor operating chamber heats the showcase lower space through heat recovery exchanger; Effectively reduce the shopping passage exists in the shop upper and lower temperature difference, the regional area temperature difference; Eliminate cold passage; Do not need extra thermal source, both improved the supermarket shopping environment, realize energy-conservation again;
2, can carry out heat supply by the auxiliary centre air-conditioning in winter, reduce central air-conditioning heat supply pressure, reduce the central air-conditioning energy consumption.
Description of drawings
Accompanying drawing 1 is a structural system sketch map of the present invention;
Fig. 2 is the showcase environment temperature effect sketch map behind application the present invention.
Among the figure: air outlet A-compressor room at the bottom of the controlled three-way valve 7.1-of the 1-showcase 2-heat recovery exchanger 3-waste heat air channel 4.1-waste heat carrier pipe 4.2-waste heat feedback pipe 4.3-waste heat dispatch pipe 4.4-waste heat dispatch pipe 5-condenser 6-liquid back pipe 7.2-low temperature carrier pipe 7.3-low temperature carrier pipe 8-compressor bank 9-reservoir 10-low-temperature receiver evaporimeter 11-cabinet.
The specific embodiment
This display case process of refrigerastion China and foreign countries' heat extraction ability method of comprehensive utilization shown in accompanying drawing 1 is following:
Establish a heat exchanger 2 at described showcase 1 top; After compressor bank refrigeration, will efflux, carry and be provided with one in medium transport to the connecting line of outdoor condenser 5 of heat energy and can block or reduce the controlled three-way valve 6 that leads to the condenser cold medium flux; Another interface of this controlled three-way valve 6 directly is connected to form waste heat system pipeline input channel with the heat exchanger 2 of being located at the showcase top, and through another interface of heat exchanger 2 is connected to the valve that three-way pilot valve 6 leads to condenser through connecting line after, forms the waste heat system pipeline with the back output channel in the pipeline again; Simultaneously, the waste heat energy that said heat exchanger 2 obtains through cabinet after air channel 3 constitute in the waste heat row's passage and both eliminated showcase bottom low temperature with being communicated with at the bottom of the cabinet of showcase bottom, heat up, be incubated additional as room conditioning again simultaneously.
Efflux hot and cold ability method of comprehensive utilization in this display case process of refrigerastion according to the said method proposition, its operation principle is following:
Continue to produce heat during refrigeration compressor set 8 work and discharge and be sent to condenser 5, in the hope of reducing temperature through the medium that waste heat dispatch pipe 4.4 will carry heat energy.Owing on waste heat dispatch pipe 4.4, be provided with three-way pilot valve 6; When this three-way pilot valve 6 blocks or reduce the air passing hole footpath; Carry another valve port entering waste heat carrier pipe 4.1 that passes through three-way pilot valve 6 with the medium of heat energy; The medium that will have waste heat gets into heat exchanger 2 and carries out heat exchange; Accomplish medium after the heat exchange and then feed back and manage 4.2 and be back to the waste heat dispatch pipe 4.3 that is arranged in behind the three-way pilot valve 6, finally flow into condenser 5 and further lower the temperature, cool off through another interface on this heat exchanger 2 and the waste heat that is connected with this interface.
Meanwhile; Heat exchanger 2 is discharged through cooperating fan waste heat gas that will after heat exchange, obtain, that have uniform temperature, and hot blast is discharged from showcase 1 bottom along the waste heat air channel 3 at showcase 1 back side, heats both for the cold air that is deposited on the face of land; Also disperse simultaneously the cold air that accumulates in this place; Effectively eliminate cold passage, reduce the upper and lower temperature difference in the preceding shopping of the showcase passage, eliminate the temperature difference between the regional area in the supermarket.The cold channel temperature schematic layout pattern of showcase of the present invention that is equipped with as shown in Figure 2 shows through practice: use that upper and lower temperature difference is no more than 5 ℃ in the shopping passage before this kind method can make showcase, more near ground, temperature is high more.This shows that the present invention can eliminate the cold passage phenomenon of the preceding shopping of showcase passage effectively, has effectively improved the supermarket shopping environment.
Meanwhile; After-heat after accomplishing the heat conversion is delivered to through waste heat dispatch pipe 4.3 and is arranged on 5 coolings of outdoor condenser; Owing to carried out a heat exchange indoor, reduced manyly at the outdoor heat that carries out the heat conversion, reduced the discharging of heat; Reduced the influence to outdoor environment, the liquid coolant after cooling is handled is returned to the reservoir 9 of compressor bank again by liquid back pipe 7.1.Obviously, the efficient that this has effectively improved the refrigerant cooling has guaranteed the abundant cooling of refrigerant, has effectively guaranteed the stable operation of refrigeration system.
At high temperature season; Can make the HTHP refrigerant of refrigeration compressor set 8 through regulating three-way pilot valve 6, fraction is delivered to indoor heat converter; Be used to eliminate the temperature difference between the regional area of supermarket; Improve the supermarket shopping environment, most of HTHP refrigerant is delivered directly to outdoor condenser 5 and carries out the heat exchange cooling, perhaps utilizes waste heat through other approach.
Claims (1)
1. display case process of refrigerastion China and foreign countries' exhaust heat integration method; It is characterized in that: establish a heat exchanger at described showcase top; After compressor bank refrigeration, will efflux, carry be provided with in medium transport to the connecting line of outdoor condenser of heat energy one can block or reduce the cold medium flux that leads to condenser controlled three-way valve; Another interface of this controlled three-way valve directly is connected to form waste heat system pipeline input channel with the heat exchanger of being located at the showcase top, and output channel after through another interface of heat exchanger is connected to the valve that three-way pilot valve leads to the compressor condenser through connecting line after, forming the waste heat system pipeline in the pipeline again; Simultaneously, the waste heat energy that said heat exchanger obtains through cabinet after the air channel constitute in the waste heat row's passage and both eliminated the low temperature on the anterior ground of showcase with being communicated with at the bottom of the cabinet of showcase bottom, heat up, be incubated additional as room conditioning again simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104468163A CN102519169A (en) | 2011-12-28 | 2011-12-28 | Method for comprehensively using outward-exhausting waste heat in refrigerating process of supermarket showcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104468163A CN102519169A (en) | 2011-12-28 | 2011-12-28 | Method for comprehensively using outward-exhausting waste heat in refrigerating process of supermarket showcase |
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| Publication Number | Publication Date |
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| CN102519169A true CN102519169A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104468163A Pending CN102519169A (en) | 2011-12-28 | 2011-12-28 | Method for comprehensively using outward-exhausting waste heat in refrigerating process of supermarket showcase |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557670A (en) * | 2013-10-31 | 2014-02-05 | 浙江大学 | Condensation heat centralized treating system for supermarket refrigerators |
| CN103720244A (en) * | 2013-12-19 | 2014-04-16 | 大连三洋冷链有限公司 | Heat-pump-type cooling-heating display cabinet |
| CN116839284A (en) * | 2023-08-29 | 2023-10-03 | 江苏格林电器有限公司 | Refrigerating system and refrigerating method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040177634A1 (en) * | 2003-03-11 | 2004-09-16 | Sanden Corporation | Showcase |
| JP2009085543A (en) * | 2007-10-01 | 2009-04-23 | Fuji Electric Retail Systems Co Ltd | Showcase and delivery system |
| CN201759191U (en) * | 2010-09-13 | 2011-03-16 | 上海海立中野冷机有限公司 | Comprehensive utilization system of clod and heat energy discharged by supermarket showcase during refrigeration process |
| CN201764638U (en) * | 2010-09-13 | 2011-03-16 | 上海海立中野冷机有限公司 | Supermarket display case compressor heat recycling system |
| CN201764656U (en) * | 2010-09-12 | 2011-03-16 | 上海海立中野冷机有限公司 | Waste heat utilization system of supermarket showcase compressor |
-
2011
- 2011-12-28 CN CN2011104468163A patent/CN102519169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040177634A1 (en) * | 2003-03-11 | 2004-09-16 | Sanden Corporation | Showcase |
| JP2009085543A (en) * | 2007-10-01 | 2009-04-23 | Fuji Electric Retail Systems Co Ltd | Showcase and delivery system |
| CN201764656U (en) * | 2010-09-12 | 2011-03-16 | 上海海立中野冷机有限公司 | Waste heat utilization system of supermarket showcase compressor |
| CN201759191U (en) * | 2010-09-13 | 2011-03-16 | 上海海立中野冷机有限公司 | Comprehensive utilization system of clod and heat energy discharged by supermarket showcase during refrigeration process |
| CN201764638U (en) * | 2010-09-13 | 2011-03-16 | 上海海立中野冷机有限公司 | Supermarket display case compressor heat recycling system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557670A (en) * | 2013-10-31 | 2014-02-05 | 浙江大学 | Condensation heat centralized treating system for supermarket refrigerators |
| CN103720244A (en) * | 2013-12-19 | 2014-04-16 | 大连三洋冷链有限公司 | Heat-pump-type cooling-heating display cabinet |
| CN116839284A (en) * | 2023-08-29 | 2023-10-03 | 江苏格林电器有限公司 | Refrigerating system and refrigerating method thereof |
| CN116839284B (en) * | 2023-08-29 | 2023-11-21 | 江苏格林电器有限公司 | Refrigerating system and refrigerating method thereof |
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Application publication date: 20120627 |