CN102121763B - Diffusion absorption type thermal converter - Google Patents
Diffusion absorption type thermal converter Download PDFInfo
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- CN102121763B CN102121763B CN2011100468431A CN201110046843A CN102121763B CN 102121763 B CN102121763 B CN 102121763B CN 2011100468431 A CN2011100468431 A CN 2011100468431A CN 201110046843 A CN201110046843 A CN 201110046843A CN 102121763 B CN102121763 B CN 102121763B
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- port
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- liquid separator
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- regenerator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The invention discloses a diffusion absorption type thermal converter. The diffusion absorption type thermal converter comprises a generator, a lifting pipe, a first gas-liquid separator, a rectifying device, a condenser, a second gas-liquid separator, an evaporator, an absorber, a liquid reservoir, a heat regenerator and a fan which are sequentially connected. In the invention, a thermally driven gas bubble pump is adopted to realize simultaneous pumping of an absorbent solution and a refrigerant liquid, and no mechanical solution pump or refrigerant pump is required, thus the structure of the thermal converter is greatly simplified, precious electric energy is saved, and the operation reliability is improved. The thermal converter disclosed by the invention is especially applicable to occasions in which low and medium temperature thermal resources are rich and high temperature thermal resource is required, thus the thermal converter has a good application prospect.
Description
Technical field
The invention belongs to absorption heat pump and low-grade energy utilizes the field, relate in particular to a kind of diffusion absorbing thermal converter.
Background technology
The absorption type heat converter can adopt low-grade energy to drive; Can effectively utilize low-grade energies such as industrial exhaust heat, underground heat, solar energy; In addition, the absorption type heat converter can avoid the use of the refrigeration working medium that atmospheric ozone layer is had destruction, so all have great importance with environmental protection to energy-conservation.Traditional H
2O/LiBr absorption type heat converter has dropped into commercial application, but because the temperature of mechanical type solution pump operation is higher, H
2The severe corrosive of O/LiBr solution has limited its extensive use.
Diffusion absorption refrigerating machine is to spread in diffusion gas through cold-producing medium to obtain cool effect; Circulation inside is isobaric basically; The thermosyphon action of utilizing heat to drive airlift pump just can promote absorbent and cold-producing medium and in system, flow, and need not to use pyrosol pump and refrigerated medium pump just can work.
The present invention is applied to the diffusion absorption refrigerating machine circulation theory in traditional absorption type heat converter; A kind of diffusion absorbing thermal converter is proposed; Utilize absorbent, cold-producing medium and the diffusion gas phase equilibrium relationship under different temperatures and concentration to change; Build in absorber and the generator absorbent solution to the different absorption potential differences of refrigerant vapour, thereby can adopt heat to drive the simultaneous pumping that airlift pump is realized absorbent solution and refrigerant liquid, can not re-use more mechanical type pyrosol pump and the refrigerated medium pump of consumed power in traditional absorption type heat converter; Only needing the micro-blower fan electric energy of consumption to blow diffusion gas just can work; Significantly reduce the consumption of valuable electric energy, simplified the structure of thermal converter, improved reliability of operation.Low-temperature heat aboundresources in being specially adapted to, the while need be used the occasion of elevated temperature heat again, and good prospects for application is arranged.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of diffusion absorbing thermal converter is provided.
The diffusion absorbing thermal converter comprises generator, riser, first gas-liquid separator, rectifier unit, condenser, second gas-liquid separator, evaporimeter, absorber, reservoir, regenerator and blower fan; First port of generator links to each other with second port of regenerator; Second port of generator links to each other with second port of blower fan; The 3rd port of generator links to each other with the bottom inlet of riser; The top exit of riser inserts more than 1/2 of the first gas-liquid separator height through first port of first gas-liquid separator, and second port of first gas-liquid separator links to each other with the 3rd port of regenerator, and the 3rd port of first gas-liquid separator links to each other with first port of rectifier unit; Second port of rectifier unit links to each other with first port of condenser; Second port of condenser links to each other with first port of second gas-liquid separator, and second port of second gas-liquid separator links to each other with first port of blower fan, and the 3rd port of second gas-liquid separator links to each other with first port of evaporimeter; Second port of evaporimeter links to each other with first port of absorber; Second port of absorber links to each other with the 4th port of regenerator, and the 3rd port of absorber links to each other with first port of reservoir, and second port of reservoir links to each other with first port of regenerator.
Described condenser is positioned at the highest position of thermal converter; The position of second gas-liquid separator is lower than the position of condenser, and the position of evaporimeter is lower than the position of second gas-liquid separator, and the position of absorber is lower than the position of evaporimeter; The position of reservoir is lower than the position of absorber; The position of regenerator is lower than the position of reservoir, and the position of rectifier unit is lower than the position of condenser, and the position of first gas-liquid separator is lower than the position of rectifier unit; The position of riser is lower than the position of first gas-liquid separator, and second port of first gas-liquid separator is higher than second port of absorber.
Described cold-producing medium is one or more in halide, alcohols or the ethers of water, carbon hydro carbons, hydrocarbon.Absorbent is one or more in salt, alcohols, ethers, ketone, amine, aldehydes or the ionic liquid.Diffusant is the halide or the carbon dioxide of hydrogen, inert gas, carbon hydro carbons, hydrocarbon.
The present invention compares with traditional absorption type heat converter, does not re-use high-temperature machinery formula solution pump and refrigerated medium pump in traditional absorption type heat converter, has following beneficial effect:
1) behind employing hot driving airlift pump simultaneous pumping absorbent solution and the refrigerant liquid, only needs the micro-blower fan electric energy of consumption to blow diffusion gas and just can work, significantly reduced the consumption of valuable electric energy
2) thoroughly solve a mechanical type solution pump corrosion difficult problem at high temperature, simplified the structure of thermal converter, improved reliability of operation.
Description of drawings
Accompanying drawing is a diffusion absorbing thermal converter structural representation;
Among the figure: generator 1, riser 2, first gas-liquid separator 3, rectifier unit 4, condenser 5, second gas-liquid separator 6, evaporimeter 7, absorber 8, reservoir 9, regenerator 10, blower fan 11.
The specific embodiment
Shown in accompanying drawing, the diffusion absorbing thermal converter of movement-less part comprises generator 1, riser 2, first gas-liquid separator 3, rectifier unit 4, condenser 5, second gas-liquid separator 6, evaporimeter 7, absorber 8, reservoir 9, regenerator 10 and blower fan 11; The first port one a of generator 1 links to each other with the second port one 0b of regenerator 10; The second port one b of generator 1 links to each other with the second port one 1b of blower fan 11; The 3rd port one c of generator 1 links to each other with the bottom inlet of riser 2; The top exit of riser 2 inserts more than 1/2 of first gas-liquid separator, 3 height through the first port 3a of first gas-liquid separator 3; The second port 3b of first gas-liquid separator 3 links to each other with the 3rd port one 0c of regenerator 10; The 3rd port 3c of first gas-liquid separator 3 links to each other with the first port 4a of rectifier unit 4, and the second port 4b of rectifier unit 4 links to each other with the first port 5a of condenser 5, and the second port 5b of condenser 5 links to each other with the first port 6a of second gas-liquid separator 6; The second port 6b of second gas-liquid separator 6 links to each other with the first port one 1a of blower fan 11; The 3rd port 6c of second gas-liquid separator 6 links to each other with the first port 7a of evaporimeter 7, and the second port 7b of evaporimeter 7 links to each other with the first port 8a of absorber 8, and the second port 8b of absorber 8 links to each other with the 4th port one 0d of regenerator 10; The 3rd port 8c of absorber 8 links to each other with the first port 9a of reservoir 9, and the second port 9b of reservoir 9 links to each other with the first port one 0a of regenerator 10.
Described condenser (5) is positioned at the highest position of thermal converter; The position of second gas-liquid separator (6) is lower than the position of condenser (5); The position of evaporimeter (7) is lower than the position of second gas-liquid separator (6); The position of absorber (8) is lower than the position of evaporimeter (7), and the position of reservoir (9) is lower than the position of absorber (8), and the position of regenerator (10) is lower than the position of reservoir (9); The position of rectifier unit (4) is lower than the position of condenser (5); The position of first gas-liquid separator (3) is lower than the position of rectifier unit (4), and the position of riser (2) is lower than the position of first gas-liquid separator (3), and second port (3b) of first gas-liquid separator (3) is higher than second port (8b) of absorber (8).
Described cold-producing medium is one or more in halide, alcohols or the ethers of water, carbon hydro carbons, hydrocarbon.Absorbent is one or more in salt, alcohols, ethers, ketone, amine, aldehydes or the ionic liquid.Diffusant is the halide or the carbon dioxide of hydrogen, inert gas, carbon hydro carbons, hydrocarbon.
Described diffusant is that boiling point is lower than cold-producing medium, and density is little, does not react with cold-producing medium, absorbent.
Described absorbent is the solvent of ability absorption refrigeration agent.
Described generator 1, condenser 5, evaporimeter 7, absorber 8 and regenerator 10 all are heat exchangers, can adopt fountain or immersion, also can be bushing type or other forms, and its heat exchanger tube can be that common tube also can be an enhanced tube.
Described riser 2 mainly plays and promotes solution and the effect that drives the solution circulation, can be the common metal pipe, also can be pressure hose.
The effect of described first gas-liquid separator 3 and second gas-liquid separator 6 is with the two-phase mixture equilibrium separation that gets into wherein, and gas phase flows out from its top, and liquid phase flows out from its bottom.
Reservoir is similar in described reservoir 9 and the common refrigerating plant; Rectifier unit is similar in rectifier unit 4 and the common refrigerating plant.
Connection between above-mentioned described each parts adopts metal tubes to connect high temperature conduit outerwrap insulation material.
Present embodiment adopts H
2O is a cold-producing medium, and tetraethylene glycol dimethyl ether (E181) is an absorbent, and He is a diffusant.
Cold-producing medium H
2Warm amount during O absorbs in generator 1, the evaporation diffusion forms mixture H in diffusant He gas
2The O/He bubble rises in riser 2, promotes the E181/H after taking place simultaneously
2The O weak solution gets into first gas-liquid separator 3, separates the top inflow rectifier unit 4 of back from first gas-liquid separator 3 therein.H
2After O/He gas is purified in rectifier unit 4, upwards get in the condenser 5 by the cooling of normal temperature cooling medium, cold-producing medium H
2O is liquefied, and diffusant He still is a gaseous state.Then, cold-producing medium H
2O liquid gets into second gas-liquid separator 6 with diffusant He gas, and separated therein.Diffusant He gas flows out from the top of second gas-liquid separator 6, after blower fan 11 pressurizations, gets into generator 1.Liquid refrigerant H
2O then flows out from second gas-liquid separator, 6 bottoms, get in the evaporimeter 8 by in warm amount heating vaporization, cold-producing medium H then
2O gas gets into absorber by E181/H
2The O weak solution absorbs.
E181/H from 3 outflows of first gas-liquid separator
2The O weak solution gets into regenerator 10, by the E181/H from reservoir 9
2O concentrated solution heating back gets into the cold-producing medium H that absorber 8 absorbs flash-pot 8
2O gas.E181/H after the absorption
2The O concentrated solution gets into regenerator 10 through reservoir 9, is flowed in the generator 1 by the weak solution cooling back from first gas-liquid separator 3 and is taken place once more.
Claims (5)
1. a diffusion absorbing thermal converter is characterized in that comprising generator (1), riser (2), first gas-liquid separator (3), rectifier unit (4), condenser (5), second gas-liquid separator (6), evaporimeter (7), absorber (8), reservoir (9), regenerator (10) and blower fan (11); First port (10a) of regenerator (10) communicates with second port (10b) of regenerator (10); The 3rd port (10c) of regenerator (10) communicates with the 4th port (10d) of regenerator (10); First port (1a) of generator (1) links to each other with second port (10b) of regenerator (10); Second port (1b) of generator (1) links to each other with second port (11b) of blower fan (11); The 3rd port (1c) of generator (1) links to each other with the bottom inlet of riser (2); The top exit of riser (2) inserts more than 1/2 of first gas-liquid separator (3) height through first port (3a) of first gas-liquid separator (3); Second port (3b) of first gas-liquid separator (3) links to each other with the 3rd port (10c) of regenerator (10), and the 3rd port (3c) of first gas-liquid separator (3) links to each other with first port (4a) of rectifier unit (4), and second port (4b) of rectifier unit (4) links to each other with first port (5a) of condenser (5); Second port (5b) of condenser (5) links to each other with first port (6a) of second gas-liquid separator (6); Second port (6b) of second gas-liquid separator (6) links to each other with first port (11a) of blower fan (11), and the 3rd port (6c) of second gas-liquid separator (6) links to each other with first port (7a) of evaporimeter (7), and second port (7b) of evaporimeter (7) links to each other with first port (8a) of absorber (8); Second port (8b) of absorber (8) links to each other with the 4th port (10d) of regenerator (10); The 3rd port (8c) of absorber (8) links to each other with first port (9a) of reservoir (9), and second port (9b) of reservoir (9) links to each other with first port (10a) of regenerator (10), from the E181/H of first gas-liquid separator (3) outflow
2The O weak solution gets into regenerator (10), and quilt is from the E181/H of reservoir (9) in regenerator (10)
2O concentrated solution heating back gets into the cold-producing medium H that absorber (8) absorbs flash-pot (7)
2O gas, absorption refrigeration agent H
2E181/H behind the O gas
2The O concentrated solution gets into regenerator (10) through reservoir (9), in regenerator (10), is taken place once more in the weak solution cooling back inflow generator (1) from first gas-liquid separator (3).
2. a kind of diffusion absorbing thermal converter according to claim 1; It is characterized in that described condenser (5) is positioned at the highest position of thermal converter; The position of second gas-liquid separator (6) is lower than the position of condenser (5), and the position of evaporimeter (7) is lower than the position of second gas-liquid separator (6), and the position of absorber (8) is lower than the position of evaporimeter (7); The position of reservoir (9) is lower than the position of absorber (8); The position of regenerator (10) is lower than the position of reservoir (9), and the position of rectifier unit (4) is lower than the position of condenser (5), and the position of first gas-liquid separator (3) is lower than the position of rectifier unit (4); The position of riser (2) is lower than the position of first gas-liquid separator (3), and second port (3b) of first gas-liquid separator (3) is higher than second port (8b) of absorber (8).
3. a kind of diffusion absorbing thermal converter according to claim 1 is characterized in that cold-producing medium is one or more in halide, alcohols or the ethers of water, carbon hydro carbons, hydrocarbon.
4. a kind of diffusion absorbing thermal converter according to claim 1 is characterized in that absorbent is one or more in salt, alcohols, ethers, ketone, amine, aldehydes or the ionic liquid.
5. a kind of diffusion absorbing thermal converter according to claim 1 is characterized in that halide or the carbon dioxide of diffusant for hydrogen, inert gas, carbon hydro carbons, hydrocarbon.
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CN2011100468431A CN102121763B (en) | 2011-02-28 | 2011-02-28 | Diffusion absorption type thermal converter |
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CN2011100468431A CN102121763B (en) | 2011-02-28 | 2011-02-28 | Diffusion absorption type thermal converter |
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CN102121763B true CN102121763B (en) | 2012-06-06 |
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Cited By (1)
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CN107100685A (en) * | 2017-04-26 | 2017-08-29 | 辽宁工程技术大学 | A kind of combined generating system based on organic Rankine bottoming cycle and absorption heat pump cycle |
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CN103161709A (en) * | 2013-03-27 | 2013-06-19 | 上海理工大学 | Gas bubble pump device |
DK3026990T3 (en) * | 2014-11-28 | 2019-04-23 | Abb Schweiz Ag | interior design |
CN104562595B (en) * | 2014-12-23 | 2017-11-28 | 珠海格力电器股份有限公司 | Dryer |
CN107192163B (en) * | 2017-07-06 | 2023-07-18 | 华南理工大学 | Semiconductor-absorption diffusion coupling refrigerating device |
CN116358190B (en) * | 2023-04-27 | 2024-04-09 | 大连海事大学 | Double-ejector driving diffusion absorption type heat converter |
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