CN2773566Y - Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation - Google Patents
Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation Download PDFInfo
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- CN2773566Y CN2773566Y CN 200420084558 CN200420084558U CN2773566Y CN 2773566 Y CN2773566 Y CN 2773566Y CN 200420084558 CN200420084558 CN 200420084558 CN 200420084558 U CN200420084558 U CN 200420084558U CN 2773566 Y CN2773566 Y CN 2773566Y
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Abstract
The utility model relates to a spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation, which makes use of heat energy to generate refrigeration. A refrigeration system comprises a heat source, one circulation heat collector, one or more collector, one condensation heat exchanger, one throttle valve (expansion valve), one spraying evaporator, one spraying absorber, one absorption cooling heat exchanger, one outer refrigeration evaporator, two solution pumps, one regeneration heat exchanger and a plurality of pipelines, wherein the spraying evaporator is a circulation spraying type evaporator in which a solid is arranged, the spraying absorber is a circulation spraying absorber in which the solid is arranged and the spraying evaporator is connected with the spraying absorber by a connecting pipe. Solid substance in the spraying absorber and the spraying evaporator is arranged by multiple layers, and the solid substance plays the functions of increasing absorption and evaporation areas and accelerating reaction speed in the processes of absorption and evaporation. The system of the utility model can improve the absorption and evaporation speed in absorption refrigeration, the utility model has high refrigeration efficiency and the utility model can be used for bumpy occasions.
Description
Technical field
The utility model relates to the absorption system that utilizes heat energy to produce refrigeration, belong to thermal refrigerating, absorption refrigeration
Technical field.
Background technology
Existing Absorption Refrigerator mainly contains two classes: ammonia water absorbing refrigerator and lithium-bromide absorption-type refrigerating machine.The required heat source temperature of ammonia water absorbing refrigerator is about 150 ℃, can obtain cold below O ℃, and minimum evaporating temperature can reach-30 ℃.More application is arranged in petrochemical industry, because the ammoniacal liquor desorption process needs rectifying, so equipment is complicated, the steel consumption amount is bigger.Lithium-bromide absorption-type refrigerating machine does not need rectifying, operating pressure very low (vacuum), and required heat source temperature is more than 80 ℃, evaporating temperature must be more than 0 ℃.Because lithium bromide has stronger corrosivity, system equipment must adopt copper and stainless steel material, and equipment is to anticorrosive and vacuum-resistant requirement height.The driving heat source of mono-potency lithium bromide refrigeration machine is a low-grade heat source, and its refrigerating efficiency COP is 0.4～0.6, if select direct combustion machine or steam double-effect refrigeration machine, its refrigerating efficiency COP can reach 1～1.31.But there is the big problem of system bulk in lithium-bromide absorption-type refrigerating machine, equipment and materials more expensive (copper and stainless steel), system is complicated, and system can not antivibration, levelness requires high, apparatus and process requires high (system is a high vacuum state), makes suction-type lithium bromide and ammonia water absorbing refrigerator all can not realize miniaturization in commerce, and lithium bromide absorption system cryogenic temperature can not be lower than below 0 ℃.
Summary of the invention
Little in order to realize the thermal refrigerating system bulk, the refrigerating efficiency height is controlled purposes such as easy, the utility model proposes the solid absorption heat energy refrigeration machine of cyclic spraying multiple-effect of the gas-liquid of utilizing waste heat.This system mainly comprises a cycling hot collector 2,3,6, one spraying evaporators 12 of one or more generators, 13,15,1 condensing heat exchangers 8 of 14,2 solution pumps of a spray absorber, one absorbs 9, one Recuperative heat exchangers 19 of 16, one outer refrigerating evaporators of cooling heat exchanger.Wherein generator is to transmit the heat-exchanger rig that the thermal source heat is given compounding substances in the system, and generator can utilize gas, liquid and the various radiant heat source more than 65 ℃.Spray absorber is that cold-producing medium is absorbed the device of returning, and solid matter is arranged in it, and solid matter divides multilayer to arrange, plays the effect that increases absorption area and accelerate absorption reaction speed in absorption reaction.Spraying evaporator is to make cold-producing medium produce the device of phase transformation evaporation, and solid matter is arranged in it, and solid matter divides multilayer to arrange, plays the effect that increases the evaporation mass transfer area and accelerate evaporation rate.。
The refrigeration system that the utility model proposes, its technical characterictic are that condensing heat exchanger 8, the absorption cooling heat exchanger 16 of cooling absorber, Recuperative heat exchanger 19, the thermal cycle collector 2 of cooling refrigeration agent all adopt compact heat exchange structure.Because refrigeration system can be to be malleation, also can be negative pressure, system's internal pressure is determined character by refrigeration working medium in the system.
The refrigeration system that the utility model proposes, its technical characterictic are to enter in the spray absorber 14 through gas connection pipe after the cold-producing medium in the spraying evaporator 12 becomes gaseous state by liquid state, are absorbed agent solution and absorb.Gas connection pipe can be a metal tube, also can be the compression resistance flexible pipe.This structure can guarantee that absorbent solution can not fled the spraying evaporator 12 from spray absorber 14 in the time of system vibration, and cold-producing medium can not fled the spray absorber 14 from spraying evaporator 12.Spray absorber 14 bottoms are connected with solution pump 15 inlets, and solution pump 15 inlets divide two-way, and the circulation line 17 of leading up to is connected with absorption cooling heat exchanger 16, and another road is communicated with Recuperative heat exchanger 19 by flow control valve 18.
The employed refrigeration working medium of the refrigeration system that the utility model proposes is to forming for multiple compounding substances, and compounding substances is made up of a kind or 2 kinds of gas, a kind or 2 kinds of liquid and a kind of solid.Solid matter is present in spray absorber 14 and the spraying evaporator 12, also can leave in the generator 3.
The refrigeration system that the utility model proposes is according to the temperature difference of utilizing thermal source, can adopt multiple-effect combination generator form to avoid the solution crystallization problem, if heat source temperature is lower, then system is an one generator single-effective absorption refrigeration system, heat source temperature is higher, then system adopts double-generator double effect absorption refrigeration system, or multigenerator multiple-effect absorption system.
The utility model is compared with existing absorption techniques, have following outstanding effect: the evaporimeter of the refrigeration system that the utility model proposes is the cyclic spraying evaporimeter of built-in solid, absorber is the cyclic spraying absorber of built-in solid, and evaporation rate and infiltration rate are accelerated; The generator of system, condensing heat exchanger, absorption cooling heat exchanger, outer refrigerating evaporator adopt the high compact heat exchanger of the coefficient of heat transfer, and compact conformation, heat and mass are effective; The system pipeline resistance is little, and flow velocity is big, and system's evaporation effect is good; System's anti-vibration can move in the environment that jolts; The refrigerating efficiency COP of system height, manufacturing cost is lower.
Description of drawings
Fig. 1 is the solid cyclic spraying double effect absorption thermal refrigerating system diagram of gas-liquid.
Fig. 2 is the solid cyclic spraying single-effective absorption thermal refrigerating system diagram of gas-liquid.
Fig. 3 is cycling hot collector 2, condensing heat exchanger 8, absorption cooling heat exchanger 16 adoptable plate-fin heat exchanger structure charts.
Fig. 4 is cycling hot collector 2, condensing heat exchanger 8, absorption cooling heat exchanger 16 adoptable fin-tube heat exchanger structure charts.
Fig. 5 is Recuperative heat exchanger 19, cycling hot collector 2, condensing heat exchanger 8, absorbs cooling heat exchanger 16 adoptable plate type heat exchanger structure charts.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing 1:
The utility model system mainly comprises thermal source 1, cycling hot collector 2, generator 3 and 6, condensing heat exchanger 8, choke valve (expansion valve) 10, spraying evaporator 12, spray absorber 14, absorbs cooling heat exchanger 16, outer refrigerating evaporator 9, solution pump 13,15, Recuperative heat exchanger 19 and some pipelines formation.
The heat of gas, liquid or radiant heat source 1 enters high pressure generator 3 by cycling hot collector 2, and carries out heat exchange with high pressure generator 3.The mixed working fluid that flows is equipped with to solution in high pressure generator 3 inside, refrigerant gas was isolated in absorbed inside agent desorb after generator was heated, the mix refrigerant gas of high temperature enters low pressure generator 6 by refrigerant tube 4 occurred frequently, heating flows out into the solution of low pressure generator 3 from high pressure generator 3 sides concentrated solution pipe 5 occurred frequently, makes the solution absorbent continue to parse refrigerant gas.The refrigerant gas that parses enters condensing heat exchanger 8 by a low refrigerant tube 7 and cools off, and refrigerant gas enters in the spraying evaporator 12 through choke valve (expansion valve) 10 after becoming liquid by gas.Absorbent concentrated solution after the desorb flows out from low pressure generator 6 sides and enters Recuperative heat exchanger 19, after the backheat heat exchange, higher temperatures absorbent concentrated solution becomes lower temperature absorbent concentrated solution, lower temperature absorbent concentrated solution is flowed into by spray absorber 14 side bottom, there is solid matter spray absorber 14 inside, the absorbent concentrated solution is circulated to spray absorber 14 upper ends by solution pump 15 parts, and a part enters Recuperative heat exchanger 19 and flows into high pressure generator 3.Sprayed by circulation line 17 to spray absorber 14 upper end absorbent concentrated solutions, carry out absorption refrigeration agent reaction again in the spray process, concentrated solution becomes weak solution, and because exothermic heat of reaction, absorbent weak solution temperature raises, the absorbent weak solution of higher temperature absorbs cooling heat exchanger 16 through one in solution pump 15 cyclic processes, absorb cooling heat exchanger 16 and by air-cooled or water-cooled the absorption reaction heat exchange is come out.Cold-producing medium in the spraying evaporator 12 enters in the spray absorber 14 through gas connection pipe after becoming gaseous state by liquid state, is absorbed agent solution and absorbs.
Condensing heat exchanger 8, absorption cooling heat exchanger 16 can adopt whole plate type heat exchanger, detachable board-like heat exchanger, plate-fin heat exchanger, fin-tube heat exchanger, wave-fin coil heat exchanger, tubulation shell-and-tube heat exchanger etc., and cooling medium can be air or liquid medium.
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing 2:
The heat of gas, liquid or radiant heat source 1 enters generator 3 by cycling hot collector 2, and carries out heat exchange with generator 3.Refrigerant gas is isolated in the generator 3 back absorbed inside agent desorb of being heated, and the mix refrigerant gas of high temperature enters condensing heat exchanger 8 by refrigerant tube 4 and cools off, and enters in the spraying evaporator 12 through choke valve (expansion valve) 10 after becoming liquid.Flow out solution from generator 3 side concentrated solution pipes 5 and enter Recuperative heat exchanger 19, after the backheat heat exchange, higher temperatures absorbent concentrated solution becomes lower temperature absorbent concentrated solution, lower temperature absorbent concentrated solution is flowed into by spray absorber 14 side bottom, there is solid matter spray absorber 14 inside, the absorbent concentrated solution is circulated to spray absorber 14 upper ends by solution pump 15 parts, and a part enters Recuperative heat exchanger 19 and flows into generator 3.Sprayed by circulation line 17 to spray absorber 14 upper end absorbent concentrated solutions, carry out absorption refrigeration agent reaction again in the spray process, concentrated solution becomes weak solution, and because exothermic heat of reaction, absorbent weak solution temperature raises, the absorbent weak solution of higher temperature absorbs cooling heat exchanger 16 through one in solution pump 15 cyclic processes, absorb cooling heat exchanger 16 and by air-cooled or water-cooled the absorption reaction heat exchange is come out.Cold-producing medium in the spraying evaporator 12 enters in the spray absorber 14 through gas connection pipe after becoming gaseous state by liquid state, is absorbed agent solution and absorbs.
Claims (5)
1. a gas-liquid of utilizing heat energy to produce refrigeration is consolidated the absorption heat energy refrigeration machine of cyclic spraying multiple-effect, mainly comprise thermal source (1), a cycling hot collector (2), one or more generators (3) and (6), a condensing heat exchanger (8), a choke valve (expansion valve) (10), a spraying evaporator (12), a spray absorber (14), one absorbs cooling heat exchanger (16), an outer refrigerating evaporator (9), two solution pumps (13), (15), a Recuperative heat exchanger (19) and some pipelines constitute, it is characterized in that: spraying evaporator (12) is the cyclic spraying evaporimeter of built-in solid, spray absorber (14) is the cyclic spraying absorber of built-in solid, has tube connector (20) to be connected between spraying evaporator (12) and the spray absorber (14).
2. according to the solid absorption heat energy refrigeration machine of cyclic spraying multiple-effect of the described gas-liquid of claim 1, it is characterized in that: the generator of single-action system is one, and the generator of economic benefits and social benefits system is two, and the generator of three effect systems is three.
3. according to claim 1 and the solid absorption heat energy refrigeration machine of cyclic spraying multiple-effect of 2 described gas-liquids, it is characterized in that: refrigeration working medium is to forming for multiple compounding substances, compounding substances is made up of a kind or 2 kinds of gas, a kind or 2 kinds of liquid and a kind of solid, and solid matter is present in spraying evaporator (12) and the spray absorber (14).
4. according to claim 1 and the solid absorption heat energy refrigeration machine of cyclic spraying multiple-effect of 2 described gas-liquids, it is characterized in that: refrigerating capacity is controlled by solution pump (13), (15) rotation speed regulating and controlling, the twin shaft solution pump can be adopted in solution pump (13) and (15), the rotating ratio of solution pump (13) and (15) is 0.1～10, preferred 0.7～2.
5. according to claim 1 or the solid absorption heat energy refrigeration machine of cyclic spraying multiple-effect of 4 described gas-liquids, it is characterized in that: spray absorber (14) bottom is connected with solution pump (15) inlet, solution pump (15) inlet divides two-way, the circulation line (17) of leading up to is connected with absorption cooling heat exchanger (16), and another road is communicated with Recuperative heat exchanger (19) by flow control valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084558 CN2773566Y (en) | 2004-07-30 | 2004-07-30 | Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084558 CN2773566Y (en) | 2004-07-30 | 2004-07-30 | Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation |
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| CN2773566Y true CN2773566Y (en) | 2006-04-19 |
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| CN 200420084558 Expired - Fee Related CN2773566Y (en) | 2004-07-30 | 2004-07-30 | Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386579C (en) * | 2006-04-30 | 2008-05-07 | 西安交通大学 | Regenerative pump-free three-element solution absorption type refrigeration and air-conditioner system |
| CN100424444C (en) * | 2004-07-30 | 2008-10-08 | 龚文浩 | Multiple effective absorption type gas, liquid and solid circular sprinkled refrigeration system by using heat energy |
| CN101963417A (en) * | 2010-03-22 | 2011-02-02 | 浪达科技（深圳）有限公司 | Generator for vehicle-mounted refrigeration device |
| CN104101129A (en) * | 2014-07-25 | 2014-10-15 | 中能服(北京)节能投资有限公司 | External heat-exchange heat pump |
| CN104650946A (en) * | 2014-06-09 | 2015-05-27 | 广西腾博再生能源有限公司 | Water circulating device for waste rubber pyrolysis production line |
| CN105247301A (en) * | 2013-04-30 | 2016-01-13 | 原子能及能源替代委员会 | Rectifier for thermodynamic absorption machine having a connection device acting as a siphon |
| CN105987544A (en) * | 2016-06-28 | 2016-10-05 | 北京联力源科技有限公司 | Absorption heat pump and evaporator and method thereof |
| CN106016812A (en) * | 2016-06-28 | 2016-10-12 | 北京联力源科技有限公司 | Absorbing type heat pump and absorber and method of absorbing type heat pump |
| CN106016839A (en) * | 2016-06-28 | 2016-10-12 | 北京联力源科技有限公司 | Absorbing type heat pump and generator and circulating method of absorbing type heat pump |
| CN106091477A (en) * | 2016-06-28 | 2016-11-09 | 北京联力源科技有限公司 | Absorption heat pump and condenser thereof and method |
| CN106196726A (en) * | 2016-08-24 | 2016-12-07 | 北京联力源科技有限公司 | High temperature heat pump system and round-robin method thereof |
-
2004
- 2004-07-30 CN CN 200420084558 patent/CN2773566Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424444C (en) * | 2004-07-30 | 2008-10-08 | 龚文浩 | Multiple effective absorption type gas, liquid and solid circular sprinkled refrigeration system by using heat energy |
| CN100386579C (en) * | 2006-04-30 | 2008-05-07 | 西安交通大学 | Regenerative pump-free three-element solution absorption type refrigeration and air-conditioner system |
| CN101963417A (en) * | 2010-03-22 | 2011-02-02 | 浪达科技（深圳）有限公司 | Generator for vehicle-mounted refrigeration device |
| CN101963417B (en) * | 2010-03-22 | 2013-03-13 | 深圳市唯克瑞投资咨询有限公司 | Generator for vehicle-mounted refrigeration device |
| CN105247301A (en) * | 2013-04-30 | 2016-01-13 | 原子能及能源替代委员会 | Rectifier for thermodynamic absorption machine having a connection device acting as a siphon |
| CN104650946B (en) * | 2014-06-09 | 2017-01-25 | 广西腾博再生能源有限公司 | Water circulating device for waste rubber pyrolysis production line |
| CN104650946A (en) * | 2014-06-09 | 2015-05-27 | 广西腾博再生能源有限公司 | Water circulating device for waste rubber pyrolysis production line |
| CN104101129A (en) * | 2014-07-25 | 2014-10-15 | 中能服(北京)节能投资有限公司 | External heat-exchange heat pump |
| CN104101129B (en) * | 2014-07-25 | 2016-08-24 | 中能服能源科技股份有限公司 | A kind of external heat transfer type heat pump |
| CN105987544A (en) * | 2016-06-28 | 2016-10-05 | 北京联力源科技有限公司 | Absorption heat pump and evaporator and method thereof |
| CN106016839A (en) * | 2016-06-28 | 2016-10-12 | 北京联力源科技有限公司 | Absorbing type heat pump and generator and circulating method of absorbing type heat pump |
| CN106091477A (en) * | 2016-06-28 | 2016-11-09 | 北京联力源科技有限公司 | Absorption heat pump and condenser thereof and method |
| CN106016812A (en) * | 2016-06-28 | 2016-10-12 | 北京联力源科技有限公司 | Absorbing type heat pump and absorber and method of absorbing type heat pump |
| CN106091477B (en) * | 2016-06-28 | 2019-08-16 | 北京联力源科技有限公司 | Absorption heat pump and its condenser and method |
| CN106016812B (en) * | 2016-06-28 | 2019-08-16 | 北京联力源科技有限公司 | Absorption heat pump and its absorber and method |
| CN106196726A (en) * | 2016-08-24 | 2016-12-07 | 北京联力源科技有限公司 | High temperature heat pump system and round-robin method thereof |
| CN106196726B (en) * | 2016-08-24 | 2019-04-19 | 北京联力源科技有限公司 | High temperature heat pump system and its round-robin method |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |