CN202501677U - Steam compression refrigeration device driven by organic Rankine cycle - Google Patents
Steam compression refrigeration device driven by organic Rankine cycle Download PDFInfo
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- CN202501677U CN202501677U CN2012200733009U CN201220073300U CN202501677U CN 202501677 U CN202501677 U CN 202501677U CN 2012200733009 U CN2012200733009 U CN 2012200733009U CN 201220073300 U CN201220073300 U CN 201220073300U CN 202501677 U CN202501677 U CN 202501677U
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- refrigeration
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- rankine cycle
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Abstract
The utility model discloses a steam compression refrigeration device driven by organic Rankine cycle. An organic Rankine cycle system is formed by sequentially connecting a booster pump, a first evaporator, an expander, a first condenser and a first liquid storage tank from end to end; a steam compression refrigeration cycle system is formed by sequentially connecting a second condenser, a second liquid storage tank, a throttle valve, a second evaporator, a first valve and an open-type refrigeration compressor from end to end; the expander is connected with the open-type refrigeration compressor by a transmission device; and an outlet of the second evaporator, an electrodynamic-type refrigeration compressor and an inlet of the second condenser are sequentially connected. The utility model organically combines the organic Rankine cycle system and the steam compression refrigeration system so as to realize thermally driven refrigeration, having the advantages of ability of using low-grade heat sources such as geothermal energy, solar energy, biomass burning, industrial waste heat, engine exhaust waste heat and the like, compact structure of the system, wide application range in respects of refrigeration temperature and refrigeration amount, ability of getting high refrigeration efficiency, and the like.
Description
Technical field
The utility model relates to heat and drives refrigeration, relates in particular to the vapor compression refrigeration device that a kind of organic Rankine circulation drives.
Background technology
Energy scarcity and global warming problem just are on the rise, and threaten human existence and development, have become world today's two large problems of greatest concern.In China, in order to tackle this two large problems, just actively implement the energy-saving and emission-reduction strategy, both satisfied the demand for development of contemporary people, guarantee not jeopardize following descendants's survival and development right again from aspects such as resource, environment, strive for realizing the long-term sustainable development.From concrete technological layer; In order to tackle energy scarcity and climate warming problem; The various countries scientific and technical personnel just constantly start various emerging technologies; And flourish, such as: the clean utilization technology of fossil energy, various regenerative resources (solar energy, wind energy, biomass energy, tide energy etc.) utilize technology, nuclear fusion energy source to utilize technology or the like.Except tapping a new source of energy, the recycling of strengthening low-grade heat is the important channel of realizing energy-saving and emission-reduction equally.People have proposed the novel solution of utilizing low-temperature heat source to generate electricity in a large number, and at present, in these schemes, organic rankine cycle system is used the most extensive.
So-called organic Rankine circulation is to adopt organic working medium to replace the Clausius-Rankine cycle of water, comprises evaporation process, gaseous expansion process, extremely liquid condensation process and the liquid pressurization of gaseous state from the liquid state to the gaseous state.Because the organic working medium that organic rankine cycle system is selected for use has the boiling point lower than water, therefore can under lower heat source temperature, realize higher relatively efficient.The low-grade heat source temperature that can be used for driving organic rankine cycle system is generally near 100 ℃ to 300 ℃; Comprise underground heat, solar energy, biomass combustion, industrial waste heat, engine exhaust used heat etc.; And it is flexible to have a device, applicable to advantages such as middle and small scale (kW level) application scenarios.It is thus clear that, greatly develop the organic Rankine circulating technology, strengthen utilization to low-grade heat source, be one of effective way that realizes energy-saving and emission-reduction.
Business-like organic rankine cycle system product began to occur the eighties in last century, and presented quick growth, and the root statistics by the about 1600MW of installation total capacity of whole world organic Rankine circulating generation in 2009, is mainly the device of MW level.Because the temperature of driving heat source is different, the organic rankine cycle system generating efficiency is about the 6-17% scope at present.Organic Rankine circulation is except being used for generating, and also being used to combine with the hyperfiltration desalination process makes up the seawater desalination system that solar energy heating drives.At present; The U.S., Germany, Italy, Belgium, Japan etc. mainly are to research and develop high-performance, the environmental protection organic working medium that is applicable to low-temperature heat source about the research emphasis of organic Rankine circulation; The efficient expansion gear that kW level middle and small scale is used, and explore the comprehensive low-grade heat source that organic Rankine circulates and other technologies are united and utilize the application of technology with expansion ORC.
In common cryogenic temperature scope, vapor compression refrigeration is prevailing refrigeration modes, and is widely used in fields such as refrigerator, air-conditioning, freezers.The general main employing electrodynamic type refrigeration compressor of vapor compression refrigeration drives the realization refrigeration through electric energy.Vapor compression refrigeration system that air conditioning for automobiles adopts is comparatively special, and it utilizes the mechanical power of engine output to drive open type compressor realization vapor compression refrigeration.In order to realize utilization to low-grade heat source, at refrigerating field, researched and developed absorption refrigeration technology and absorption refrigeration technology that heat energy directly drives, also be applied in fields such as air-conditioning, refrigerators.
Summary of the invention
The purpose of the utility model is the deficiency that overcomes prior art, the vapor compression refrigeration device that provides a kind of organic Rankine circulation to drive.
The vapor compression refrigeration device that utilizes the organic Rankine circulation to drive comprises booster pump, first evaporimeter, decompressor, first condenser, first fluid reservoir, transmission device, second condenser, second fluid reservoir, choke valve, second evaporimeter, first valve, open type compressor, second valve, electrodynamic type refrigeration compressor; Booster pump, first evaporimeter, decompressor, first condenser, first fluid reservoir head and the tail connect and compose organic rankine cycle system in order; Second condenser, second fluid reservoir, choke valve, second evaporimeter, first valve, open type compressor head and the tail connect and compose the Vapor Compression Refrigeration Cycle system in order; Decompressor is connected with open type compressor through transmission device; Second evaporator outlet, electrodynamic type refrigeration compressor, second condenser inlet link to each other in order.
The utility model organically combines organic rankine cycle system with vapor compression type refrigerating system; Realize that heat drives refrigeration; Has low-grade heat source capable of using (as: underground heat, solar energy, biomass combustion, industrial waste heat, engine exhaust used heat etc.); System architecture is compact, and it is wide to be suitable for cryogenic temperature and refrigerating capacity scope, can obtain higher advantages such as refrigerating efficiency.
Description of drawings
Fig. 1 drives vapor compression refrigeration device sketch map for the organic Rankine circulation;
Among the figure: booster pump 1, first evaporimeter 2, decompressor 3, first condenser 4, first fluid reservoir 5, transmission device 6, second condenser 7, second fluid reservoir 8, choke valve 9, second evaporimeter 10, first valve 11, open type compressor 12, second valve 13, electrodynamic type refrigeration compressor 14.
The specific embodiment
As shown in the figure, the vapor compression refrigeration device that utilizes organic Rankine circulation to drive comprises booster pump 1, first evaporimeter 2, decompressor 3, first condenser 4, first fluid reservoir 5, transmission device 6, second condenser 7, second fluid reservoir 8, choke valve 9, second evaporimeter 10, first valve 11, open type compressor 12, second valve 13, electrodynamic type refrigeration compressor 14; Booster pump 1, first evaporimeter 2, decompressor 3, first condenser 4, first fluid reservoir, 5 head and the tail connect and compose organic rankine cycle system in order; Second condenser 7, second fluid reservoir 8, choke valve 9, second evaporimeter 10, first valve 11, open type compressor 12 head and the tail connect and compose the Vapor Compression Refrigeration Cycle system in order; Decompressor 3 is connected with open type compressor 12 through transmission device 6; Link to each other in order at 10 outlets of second evaporimeter, electrodynamic type refrigeration compressor 14, second condenser, 7 inlets.
The vapor compression refrigeration method of utilizing the organic Rankine circulation to drive is: utilize organic rankine cycle system to convert low grade heat energy into mechanical power; And through transmission device 6 mechanical power of the decompressor of organic rankine cycle system 3 outputs is passed to the open type compressor 12 of Vapor Compression Refrigeration Cycle; Drive the Vapor Compression Refrigeration Cycle system, thereby realize that heat drives vapor compression refrigeration; Second valve 13 forms parallel-connection structure with the electrodynamic type refrigeration compressor 14 and first valve 11 with open type compressor 12; When heat driving vapor compression refrigeration can not satisfy user institute chilling requirement; Open second valve 13 and electrodynamic type refrigeration compressor 14; Increase the refrigerating capacity of vapor compression refrigeration system through the auxiliary electric energy compressor driven, thereby realize that stable cold output is to meet consumers' demand.
In the vapor compression refrigeration device that the organic Rankine circulation drives, organic rankine cycle system can adopt R134a, R245fa, and R123, pentane and silicone oil etc. are as working medium.Vapor compression refrigeration system can adopt R22, R134a, and R32 etc. are as working medium.
Do further to describe below in conjunction with the concrete running of 1 pair of the utility model of accompanying drawing:
When the vapor compression refrigeration device that the organic Rankine circulation drives moves; Connect the environment low-temperature receiver of low-grade heat source, first condenser 4 and second condenser 7 of first evaporimeter 2, and the low-temperature heat source of second evaporimeter 10, first valve 11 opened; Close second valve 13, start booster pump 1.The organic working medium of organic rankine cycle system absorbs thermal source in first evaporimeter 2 heat is a gaseous state by liquid transformation; The gaseous state organic working medium of HTHP gets in the decompressor 3 and expands afterwards, and externally exports mechanical power with the mode of shaft work; The gas organic working medium that expands after the cooling gets in first condenser 4, be condensed into liquid state by the environment low-temperature receiver by gaseous state after, get into first fluid reservoir 5; The low-pressure liquid organic working medium that first fluid reservoir 5 flows out is a high-pressure liquid working medium through booster pump 1 supercharging, is admitted to first evaporimeter 2 afterwards and carries out evaporation process; So move in circles, accomplish and convert low-grade heat source (as: underground heat, solar energy, biomass combustion, industrial waste heat, engine exhaust used heat etc.) into mechanical power, and export with the mode of shaft work.Decompressor 3 is passed to the open type compressor 12 of vapor compression refrigeration system through transmission device 6 with shaft work, drives its gas with the gaseous refrigerant working medium boil down to HTHP of low-temp low-pressure; The gaseous refrigerant working medium of HTHP is condensed into liquid state by the environment low-temperature receiver in second condenser 7, get into second fluid reservoir 8; Lower the temperature through choke valve 9 expansions from the liquid refrigerant that second fluid reservoir 8 flows out; The gas-liquid two-phase cold-producing medium gets in second evaporimeter 10 and cools off low-temperature heat source afterwards, self absorbs heat to be evaporated to gaseous state; The gaseous refrigerant of low-temp low-pressure is inhaled into open type compressor 12 behind first valve 11, by the gas of its boil down to HTHP; So move in circles, accomplish vapor compression refrigeration.
When causing above-mentioned heat driving vapor compression refrigeration can not satisfy user institute chilling requirement when heat supply not enough perhaps user's refrigeration requirement increase; Open second valve 13; Start electrodynamic type refrigeration compressor 14; Through the refrigerating capacity of auxiliary electric energy compressor driven increase vapor compression refrigeration system, to meet consumers' demand.This is for unstable, discontinuous low-grade heat source (as: solar energy etc.), and refrigeration requirement variation application scenario greatly, can under the prerequisite that guarantees user's request, reach the purpose of energy-saving and emission-reduction, and is significant.
Claims (1)
1. a vapor compression refrigeration device that utilizes the organic Rankine circulation to drive is characterized in that comprising booster pump (1), first evaporimeter (2), decompressor (3), first condenser (4), first fluid reservoir (5), transmission device (6), second condenser (7), second fluid reservoir (8), choke valve (9), second evaporimeter (10), first valve (11), open type compressor (12), second valve (13), electrodynamic type refrigeration compressor (14); Booster pump (1), first evaporimeter (2), decompressor (3), first condenser (4), first fluid reservoir (5) head and the tail connect and compose organic rankine cycle system in order; Second condenser (7), second fluid reservoir (8), choke valve (9), second evaporimeter (10), first valve (11), open type compressor (12) head and the tail connect and compose the Vapor Compression Refrigeration Cycle system in order; Decompressor (3) is connected with open type compressor (12) through transmission device (6); Second evaporimeter (10) outlet, electrodynamic type refrigeration compressor (14), second condenser (7) inlet link to each other in order.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200733009U CN202501677U (en) | 2012-03-01 | 2012-03-01 | Steam compression refrigeration device driven by organic Rankine cycle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200733009U CN202501677U (en) | 2012-03-01 | 2012-03-01 | Steam compression refrigeration device driven by organic Rankine cycle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563987A (en) * | 2012-03-01 | 2012-07-11 | 浙江大学 | Vapor-compression refrigerating plant driven by organic Rankine cycle and method |
| CN104612771A (en) * | 2015-01-27 | 2015-05-13 | 沈天昱 | ORC compressed air preparation device and method |
| CN106461293A (en) * | 2014-06-10 | 2017-02-22 | 株式会社Lg化学 | Apparatus for recovering heat |
| CN109798160A (en) * | 2019-03-11 | 2019-05-24 | 哈尔滨理工大学 | It is a kind of using boiler waste heat as the organic Rankine cycle power generation system of heat source |
-
2012
- 2012-03-01 CN CN2012200733009U patent/CN202501677U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563987A (en) * | 2012-03-01 | 2012-07-11 | 浙江大学 | Vapor-compression refrigerating plant driven by organic Rankine cycle and method |
| CN106461293A (en) * | 2014-06-10 | 2017-02-22 | 株式会社Lg化学 | Apparatus for recovering heat |
| CN106461293B (en) * | 2014-06-10 | 2019-01-08 | 株式会社Lg化学 | Heat recovery apparatus |
| CN104612771A (en) * | 2015-01-27 | 2015-05-13 | 沈天昱 | ORC compressed air preparation device and method |
| CN104612771B (en) * | 2015-01-27 | 2016-06-29 | 沈天昱 | A kind of ORC produces compressed-air actuated device and method |
| CN109798160A (en) * | 2019-03-11 | 2019-05-24 | 哈尔滨理工大学 | It is a kind of using boiler waste heat as the organic Rankine cycle power generation system of heat source |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20190301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |