CN102788446A - Adsorption type auxiliary heat pump refrigerating system driven by condensation heat - Google Patents
Adsorption type auxiliary heat pump refrigerating system driven by condensation heat Download PDFInfo
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- CN102788446A CN102788446A CN2012103148406A CN201210314840A CN102788446A CN 102788446 A CN102788446 A CN 102788446A CN 2012103148406 A CN2012103148406 A CN 2012103148406A CN 201210314840 A CN201210314840 A CN 201210314840A CN 102788446 A CN102788446 A CN 102788446A
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Abstract
An adsorption type auxiliary heat pump refrigerating system driven by condensation heat comprises an adsorption type refrigerating system and a heat pump circulating system. The adsorption type refrigerating system comprises a liquid storage device, an adsorption throttle valve, a subcooler and two adsorption beds, heating tubes of the two adsorption beds are respectively serially connected between a compressor and a condenser by two four-way valves, adsorption refrigerant ports of the two adsorption beds are respectively connected with an adsorption refrigerant inlet of the condenser by two electromagnetic valves and are respectively connected with an adsorption refrigerant outlet of the subcooler by two other electromagnetic valves, an adsorption refrigerant outlet of the condenser is sequentially connected with an adsorption refrigerant inlet of the subcooler by the liquid storage device and the adsorption throttle valve, and a heat pump refrigerant tube of the subcooler is serially connected between the condenser and a heat pump throttle valve. The heat pump circulating system and the adsorption type refrigerating system are organically combined, so that energy waste is effectively reduced, the efficiency of the adsorption type auxiliary heat pump refrigerating system is improved, and environmental thermal pollution caused by the heat pump circulating system is reduced.
Description
Technical field
The present invention relates to a kind of heat pump refrigerating system, especially a kind of heat pump refrigerating system that has the absorption type auxiliary cooling system that is driven by condensation heat belongs to technical field of heat pumps.
Background technology
Improving constantly of Along with people's living standard; The use amount of refrigerating heat pump is increasing; It is also more and more to be discharged into airborne heat during refrigerating heat pump work, and this causes serious thermal pollution in the rapid rising that can cause building ambient temperature summer undoubtedly to environment.Simultaneously, the rising of building environment temperature also can make heat pump refrigerating efficient reduce, and the power consumption of heat pump increases, and when the summer environment temperature was higher than the design threshold of heat pump refrigerating operating mode, heat pump will quit work, and influenced people's normal use.Under global warming and energy trend in short supply day by day, people press for refrigerating heat pump are discharged into airborne heat recovery and utilization.
In China, the heat pump refrigerating cycle applications is quite extensive, and summer air conditioning load has accounted for 40% of social total energy consumption.Severe power shortage can occur in peak times of power consumption in summer, if can the condensation heat of heat pump self be collected, in order to improve the coefficient of refrigerating performance of system, for alleviating China's power tense in summer situation, reduce the thermal pollution to environment, it is significant to improve device efficiency.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, the absorption type assisted heat pump refrigeration system that provides a kind of condensation heat to drive,, reduce the consumption of electric energy, reduce the thermal pollution of environment to improve refrigeration heat pump system efficient.
Problem according to the invention is realized by following technical scheme:
The absorption type assisted heat pump refrigeration system that a kind of condensation heat drives; It comprises adsorption refrigeration system and the heat pump circulating system that is in turn connected into by compressor, condenser, heat pump choke valve and evaporimeter; Said adsorption refrigeration system comprises reservoir, absorption choke valve, subcooler and two adsorbent beds; The heating tube of two adsorbent beds is serially connected on the heat pump cycle pipeline between compressor and the condenser through two cross valves respectively; The absorption refrigeration agent interface of the two connects the absorption refrigeration agent inlet of condenser respectively through two magnetic valves; And take over the absorption refrigeration agent outlet of cooler respectively through two other magnetic valve, and the absorption refrigeration agent inlet of cooler is taken in the absorption refrigeration agent outlet of condenser successively through reservoir, absorption choke valve, and the heat pump refrigerating agent pipe of said subcooler is serially connected between condenser and the heat pump choke valve.
The absorption type assisted heat pump refrigeration system that above-mentioned condensation heat drives, the absorption refrigeration agent that said adsorption refrigeration system adopted is water, ammonia or methyl alcohol.
The present invention organically combines heat pump and adsorption refrigeration system; Condensation heat driving adsorption refrigeration system by heat pump is come heat pump cold excessively; Effectively reduce the waste of the energy, improved the efficient of system, reduced the thermal pollution that heat pump causes environment.The present invention can be used as the upgraded product of traditional refrigeration plant, also can be used for transforming existing heat pump.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is a structural representation of the present invention;
Fig. 2～Fig. 5 is a course of work sketch map of the present invention.
Each label is among the figure: 1, compressor; 2, condenser; 3, heat pump choke valve; 4, evaporimeter; 5,6, adsorbent bed; 7, absorption choke valve; 8, reservoir; 9, subcooler; 10,11, cross valve; 12～15, magnetic valve.
The specific embodiment
Referring to Fig. 1, whole system is made up of heat pump and adsorption refrigeration system.Heat pump is by compressor 1, condenser 2, and heat pump choke valve 3, evaporimeter 4 is formed; Adsorption refrigeration system is by adsorbent bed 5, and adsorbent bed 6 adsorbs choke valve 7, reservoir 8, and subcooler 9, cross valve 10, cross valve 11, magnetic valve 12, magnetic valve 13, magnetic valve 14 and magnetic valve 15 are formed.Adsorbent bed 5 and adsorbent bed 6 are arranged between compressor 1 and the condenser 2, and subcooler 9 is arranged between condenser 2 and the heat pump choke valve 3.
The heat pump refrigerating system work process: the heat pump refrigerating agent fluid of cryogenic high pressure becomes the gas-liquid two-phase fluid of low-temp low-pressure through heat pump choke valve 3 throttling and evaporation; Liquid refrigerant is evaporated to gaseous working medium in evaporimeter 4; Absorb external heat, the laggard working medium that compressor 1 is compressed into HTHP of going into is accomplished in evaporation, is discharged into heat in the middle of the air through condenser 2 then; Working medium comes back to the state of cryogenic high pressure, accomplishes circulation.
The course of work of the present invention:
Process 1-2: referring to Fig. 2, regulate the high temperature heat pump cold-producing medium bed heated 5 (a mouth of cross valve 10 and d mouth are connected, and b mouth and c mouth are connected) that cross valve 10 makes compressor 1 outlet, make its temperature be elevated to desorption temperature always; Meanwhile, regulate be connected (a mouth of cross valve 11 and b mouth are connected, and d mouth and c mouth are connected) that cross valve 11 breaks off heat pump and adsorbent bed 6, adsorbent bed 6 is cooled off, and be reduced to adsorption temp always.In this process, desorption process does not take place before reaching the corresponding condensing pressure of condensation temperature in adsorbent bed 5.Adsorption process does not take place before dropping to the corresponding evaporating pressure of evaporating temperature in adsorbent bed 6.
Process 2-3: referring to Fig. 3, keep the invariant position of cross valve 10, desorption process takes place in adsorbent bed 5, opens magnetic valve 13 when reaching condensing pressure.The absorption refrigeration agent that parses gets into the condenser cooling, be stored in then in the reservoir 8, after the cooling of patella stream valve 7 throttling and evaporation, in subcooler 9 with carried out cold to it after the heat pump refrigerating agent heat exchange.Adsorbent bed 5 continues to be heated and accomplishes until desorb.Meanwhile, keep the invariant position of cross valve 11, adsorption process takes place in adsorbent bed 6, when reaching evaporating pressure, opens valve 14, the absorption refrigeration agent that absorption is come out from subcooler 9.Adsorbent bed 6 continues cooling to be accomplished until desorb.
Process 3-4: referring to Fig. 4, regulate the high temperature heat pump cold-producing medium bed heated 6 (a mouth of cross valve 11 and d mouth are connected, and b mouth and c mouth are connected) that cross valve 11 makes compressor 1 outlet, make its temperature be elevated to desorption temperature always; Meanwhile, regulate cross valve 10, break off be connected (a mouth of cross valve 10 and b mouth are connected, and d mouth and c mouth are connected) of heat pump and adsorbent bed 5, adsorbent bed 5 is cooled off, and be reduced to adsorption temp always.
Process 4-1: referring to Fig. 5, keep the invariant position of cross valve 11, desorption process takes place in adsorbent bed 6, opens magnetic valve 15 when reaching condensing pressure.The absorption refrigeration agent that parses gets into condenser 2 coolings, be stored in then in the reservoir 8, after the cooling of patella stream valve 7 throttling and evaporation, in subcooler 9 with carried out cold to it after the heat pump refrigerating agent heat exchange.Adsorbent bed 6 continues to be heated and accomplishes until desorb.Meanwhile, keep the invariant position of cross valve 11, adsorption process takes place in adsorbent bed 5, when reaching evaporating pressure, opens valve 12, the absorption refrigeration agent that absorption is come out from subcooler 9.Adsorbent bed 5 continues cooling to be accomplished until desorb.
Comprehensive above-mentioned each process, the heat of condenser 2 high-temperature part is produced cold in the adsorption type heat pump refrigeration system sorption type heat pump system, and is cold excessively to condenser 2 low temperature part in subcooler 9.
At typical summer condition, condensation temperature is 40 ℃, when evaporating pressure is 5 ℃, and 1 ℃ of the every increase of degree of supercooling, for the R134a system, refrigeration performance COP increases by 0.09%; For the R22 system, COP increases by 0.07%; For striding critical CO
2System, COP increases by 2.5%.
Claims (2)
1. the absorption type assisted heat pump refrigeration system that drives of a condensation heat; It is characterized in that; It comprises adsorption refrigeration system and the heat pump circulating system that is in turn connected into by compressor (1), condenser (2), heat pump choke valve (3) and evaporimeter (4); Said adsorption refrigeration system comprises reservoir (8), absorption choke valve (7), subcooler (9) and two adsorbent beds; The heating tube of two adsorbent beds is serially connected on the heat pump cycle pipeline between compressor (1) and the condenser (2) through two cross valves respectively; The absorption refrigeration agent interface of the two connects the absorption refrigeration agent inlet of condenser (2) respectively through two magnetic valves; And take over the absorption refrigeration agent outlet of cooler (9) respectively through two other magnetic valve, and the absorption refrigeration agent inlet of cooler (9) is taken in the absorption refrigeration agent outlet of condenser (2) successively through reservoir (8), absorption choke valve (7), and the heat pump refrigerating agent pipe of said subcooler (9) is serially connected between condenser (2) and the heat pump choke valve (3).
2. the absorption type assisted heat pump refrigeration system that condensation heat according to claim 1 drives is characterized in that the absorption refrigeration agent that said adsorption refrigeration system adopted is water, ammonia or methyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103148406A CN102788446A (en) | 2012-08-30 | 2012-08-30 | Adsorption type auxiliary heat pump refrigerating system driven by condensation heat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103148406A CN102788446A (en) | 2012-08-30 | 2012-08-30 | Adsorption type auxiliary heat pump refrigerating system driven by condensation heat |
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| CN102788446A true CN102788446A (en) | 2012-11-21 |
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| CN2012103148406A Pending CN102788446A (en) | 2012-08-30 | 2012-08-30 | Adsorption type auxiliary heat pump refrigerating system driven by condensation heat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413647A (en) * | 2018-05-15 | 2018-08-17 | 天津商业大学 | A kind of refrigeration system that compression is combined with adsorption type photograph |
| CN110455012A (en) * | 2019-09-10 | 2019-11-15 | 华北电力大学 | A kind of vapor compression types absorption heat pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196493A (en) * | 1996-01-12 | 1997-07-31 | Denso Corp | Adsorption refrigerating apparatus |
| JPH11190569A (en) * | 1997-12-25 | 1999-07-13 | Denso Corp | Refrigerating unit |
| JP2002250573A (en) * | 2001-02-23 | 2002-09-06 | Denso Corp | Air conditioner |
| JP2005098586A (en) * | 2003-09-24 | 2005-04-14 | Toshiba Kyaria Kk | Air conditioner |
| JP2011242017A (en) * | 2010-05-14 | 2011-12-01 | Sanden Corp | Air conditioning device for vehicle |
| CN102322705A (en) * | 2011-08-01 | 2012-01-18 | 东南大学 | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration |
-
2012
- 2012-08-30 CN CN2012103148406A patent/CN102788446A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196493A (en) * | 1996-01-12 | 1997-07-31 | Denso Corp | Adsorption refrigerating apparatus |
| JPH11190569A (en) * | 1997-12-25 | 1999-07-13 | Denso Corp | Refrigerating unit |
| JP2002250573A (en) * | 2001-02-23 | 2002-09-06 | Denso Corp | Air conditioner |
| JP2005098586A (en) * | 2003-09-24 | 2005-04-14 | Toshiba Kyaria Kk | Air conditioner |
| JP2011242017A (en) * | 2010-05-14 | 2011-12-01 | Sanden Corp | Air conditioning device for vehicle |
| CN102322705A (en) * | 2011-08-01 | 2012-01-18 | 东南大学 | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413647A (en) * | 2018-05-15 | 2018-08-17 | 天津商业大学 | A kind of refrigeration system that compression is combined with adsorption type photograph |
| CN110455012A (en) * | 2019-09-10 | 2019-11-15 | 华北电力大学 | A kind of vapor compression types absorption heat pump |
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Application publication date: 20121121 |