CN1945166A - Water cooling type single pressure absorption refrigerator - Google Patents
Water cooling type single pressure absorption refrigerator Download PDFInfo
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- CN1945166A CN1945166A CNA2006101177377A CN200610117737A CN1945166A CN 1945166 A CN1945166 A CN 1945166A CN A2006101177377 A CNA2006101177377 A CN A2006101177377A CN 200610117737 A CN200610117737 A CN 200610117737A CN 1945166 A CN1945166 A CN 1945166A
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- absorber
- condensation
- generator
- evaporimeter
- forecooler
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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
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention is a kind of single pressure absorbing refrigerator and relates to refrigerating equipment technology. The single pressure absorbing refrigerator includes a generator, a cooling water sleeve, a rectifier, an evaporator, a pre-cooler, a combined condensator/absorber, a liquid storage, a solution heat exchanger and a bubble pump. It has three loops, including one refrigerant loop between the evaporator and the condensator/absorber; one pressure poiser loop among the generator, the evaporator and the condensator/absorber; and one absorbent loop among the generator, the liquid storage and the condensator/absorber. The present invention has the advantages of silencing operation under single pressure, utilization of solar energy and waste heat, no power consumption, capacity of forming small household air conditioner, etc.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly relate to a kind of small absorption refrigeration machine technology of under triangular web pressure, moving.
Background technology
People to the demand of comfort air conditioning system improve constantly, refrigerating and air conditioning industry carries out ambient influnence under the situation of unremitting effort for reducing fluorochlorohydrocarbon class cold-producing medium, sorption type refrigerating technology has had very wide application space.Present widely used lithium-bromide absorption-type refrigerating machine adopts two circulations of pressing, the height pressure side of system needs solution pump and throttling arrangement to realize and keep, system complex and inevitably produce noise and consume electric power, and this series products refrigerating capacity is all at up to a hundred kilowatts, pooled applications seldom has the mini-system that is applicable to the family expenses occasion in the heavy construction occasion; Though and the small diffusion-absorption refrigerating machine of traditional employing ammonia-water-hydrogen three working medium circular flows also is to move under single pressure, but the refrigerating capacity of existing this class device is all below 200w, be not enough to reach the requirement of room air conditioner, only to be made into small-sized absorption refrigerator.And diffusion-absorption refrigerating machine pipeline cabling complexity, so the manufacture craft requirement is very high, it is very big to realize producing difficulty in batches.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical problem to be solved by this invention provides a kind of quiet operation under single pressure, use heat energy as driving force, can be made into the single pressure absorption-type refrigeration machine of household small-size room air conditioner.
In order to solve the problems of the technologies described above, a kind of water cooling type single pressure absorption refrigerator provided by the present invention, comprise generator, the cooling water sleeve, rectifier (pipeline), evaporimeter, forecooler, knockdown condensation/absorber, reservoir, solution heat exchanger and an airlift pump that drives the bubble lifting low level solution that produces by heat energy; There are three loops in refrigeration machine:
1) refrigerant loop between evaporimeter and condensation/absorber, connect the inlet of evaporimeter by the upper liquid outlet of condensation/absorber through forecooler inner horizontal pipeline, connect the mist air inlet [0] of condensation/absorber by the space of horizontal pipeline outside in forecooler, mist gas outlet of evaporimeter;
2) the pressure equilibrium agent loop between generator, evaporimeter and condensation/absorber, the gas outlet of generator connects the air inlet of evaporimeter through the helical form pipeline of rectifier pipeline, forecooler inside, connect the mist air inlet of condensation/absorber by the space of horizontal pipeline outside in forecooler, mist gas outlet of evaporimeter, connect the inlet of generator by the lower liquid outlet of condensation/absorber through solution heat exchanger inner horizontal pipeline;
3) the absorbent loop between generator, reservoir and condensation/absorber, the liquid outlet of generator connects input port, airlift pump bottom through horizontal pipeline, the delivery outlet of airlift pump connects the inlet of reservoir, the space of the liquid outlet of reservoir horizontal pipeline outside in solution heat exchanger connects the shower nozzle in condensation/absorber, connect the inlet of generator by the lower liquid outlet of condensation/absorber through solution heat exchanger inner horizontal pipeline, the gas outlet of reservoir connects the air inlet at the top of condensation/absorber;
Condensation/absorber is located among the cooling water sleeve, and rectifier (pipeline) is located among the outer cooling water sleeve of condensation/absorber; Enough heat flow densities are provided for generator and airlift pump, can in evaporimeter, produce refrigeration effect.The normal operation of system relies on the difference in height of driving effect, working medium liquid level and each container parts line arrangement of airlift pump fully and finishes.The external heat source of refrigerator generators and airlift pump can be provided by solar energy or other used heat, and its operation can need not electric energy.
Further, described evaporimeter becomes L type space layout with forecooler with remaining part, so that a whole set of refrigeration machine directly overlaps the external box of microvave of packing into, saves and takes up an area of the space.
Further, described airlift pump bottom is made into round table-like; The round platform rough inner surface, a large amount of depressions distribute.
The beneficial effect of single pressure absorption-type refrigeration machine provided by the invention is:
1. system works pressure is single, realizes that refrigerating capacity is bigger.Outside evaporimeter, add a blower fan and can carry cold to refrigeration space.System works pressure is low, and condensation/absorber uses water-cooling pattern, and refrigerating capacity reaches thousands of watts, can satisfy the needs of family expenses room air conditioner, is a kind of important selection that realizes absorption system miniaturization, blocking.
2. simple for structure, movement-less part.Utilize the pressure balance effect of auxiliary working substance to save throttle device in traditional absorption refrigerating machine, make whole system not need to be provided with any valve part.There are not gearing and valves such as compressor, solution pump, the simple welding of textural just some GB150-1998s and steel pipe, processing and fabricating is convenient, and long service life is easy to realize the mass production of product.
3. the consumes energy grade is low.The mobile of working medium is to finish in conjunction with the layout of connecting line by the airlift pump, the self gravitation effect that are driven by heat energy in the refrigeration machine, therefore can make full use of various low-grade energies as circulation power, as solar energy, used heat etc., refrigerator operation can need not electric energy.
4. the device non-flat design is compact small and exquisite, and cheap, makes simply, is highly susceptible to practicability.Evaporimeter in the package unit becomes L type layout with forecooler with remaining part, the direct external box of microvave of packing into that overlaps of a whole set of refrigeration machine is convenient in such design, saves and takes up an area of the space.The pipeline that has reduced system simultaneously connects length, has reduced the friction loss of flow working medium in the pipe.
5. the rectifying pipeline is arranged in the cooling water sleeve of condensation/absorber outside, utilize the cooling effect of current in the sleeve, the separation of liquefying of absorbent steam in the pressure equilibrium agent that generator is evaporated prevents from that it is carried to enter the serious refrigeration performance that reduces device behind the evaporimeter.
6. the airlift pump bottom is round table-like, round table surface is close in the external heat source, the place produces a large amount of steam bubbles (nucleus of boiling) at the small depression of the inner rough surface of round platform, these steam bubbles upwards float to the round platform top and are gathered into the bubble bullet that claims full upper vertical bore, promote the interior liquid of tubing string efficiently and upwards flow.
7. forecooler part case internal duct structural design curl is convenient to add between the air blast, the mutual heat exchange between the gas-liquid.Simultaneously the cold-producing medium connecting line between condensation/absorber and evaporimeter is incorporated into forecooler inside, the pipeline of having simplified system connects.
8. add solution heat exchanger in the generator outside,, the concentrated solution that enters generator is carried out preheating by the hot solution that high-order reservoir flows out as the backheat parts that strengthen system's heat exchange efficiency.The direct level of solution heat exchanger connects generator and condensation/absorber, has shortened pipeline and has connected distance, reduces the flow resistance of tube fluid to greatest extent.
9. the single pressure absorption-type refrigeration machine utilizes the airlift pump of thermals source drivings such as solar energy or other used heat to promote the solution of low level as circulation power, no throttling valve member, cold-producing medium, pressure equilibrium agent and absorbent be quiet circular flow between each volume parts, can realize thousands of watts refrigerating capacity.Compare with the use diffusion absorption refrigerating machine that ammonia-water-hydrogen working medium is right, this single pressure absorption-type refrigeration machine can reach the refrigerating capacity of room air conditioner.
Description of drawings
Fig. 1 is the structural front view of the single pressure absorption-type refrigeration machine of the embodiment of the invention;
Fig. 2 is the structure left view of Fig. 1 embodiment of the present invention;
Fig. 3 is the structure vertical view of Fig. 1 embodiment of the present invention;
Fig. 4 is the rectifier pipeline structure cutaway view of the single pressure absorption-type refrigeration machine of the embodiment of the invention;
Fig. 5 is the airlift pump structure cutaway view of the single pressure absorption-type refrigeration machine of the embodiment of the invention;
Fig. 6 is the A-A cross-sectional view of Fig. 3 vertical view of the present invention;
Fig. 7 is the floor map that pipeline connects between each device of single pressure absorption-type refrigeration machine of the embodiment of the invention.
The specific embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
The single pressure absorption-type refrigeration machine that the embodiment of the invention provided uses the synergy of cold-producing medium-absorbent-pressure equilibrium agent three working medium (to adopt butane as cold-producing medium, water is as absorbent, ammonia is as pressure equilibrium agent), thereby the pressure equilibrium agent gas that imports inertia at evaporimeter reduces the vapour phase partial vapour pressure on liquid refrigerant surface, impels the cold-producing medium sweat cooling.The airlift pump that the single pressure absorption-type refrigeration machine utilizes thermals source such as solar energy or other used heat to drive promotes the solution of low level as circulation power, no throttling valve member, cold-producing medium, pressure equilibrium agent and absorbent be quiet circular flow between each volume parts, can realize thousands of watts refrigerating capacity.
Extremely shown in Figure 7 referring to Fig. 1, single pressure absorption-type refrigeration machine of the present invention comprises generator 1, cooling water sleeve 2, rectifier 3 (pipeline), evaporimeter 4, forecooler 5, knockdown condensation/absorber 6, reservoir 7, solution heat exchanger 8 and an airlift pump 9 that drives the bubble lifting low level solution that produces by thermals source such as solar energy or other used heat; There are three loops in refrigeration machine: the 1) refrigerant loop between evaporimeter 4 and condensation/absorber 6.The butane input port that connects evaporimeter 4 by the horizontal pipeline of butane liquid outlet in forecooler 5 of condensation/absorber 6, connect the mist input port of condensation/absorber 6 by the space of butane-horizontal tube outside in forecooler 5, ammonia mist gas outlet of evaporimeter 4, referring among Fig. 7 shown in the dotted arrow; 2) the pressure equilibrium agent loop between generator 1, evaporimeter 4 and condensation/absorber 6.The helical form pipeline of the ammonia gas outlet of generator 1 in rectifier 3 (pipeline), forecooler 5 connects the ammonia input port of evaporimeter 4, the mist input port that connects condensation/absorber 6 by the space of horizontal tube outside in forecooler 5, mist gas outlet of evaporimeter 4, connect the input port of generator 1 by the concentrated ammonia liquor liquid outlet of the condensation/absorber 6 horizontal pipeline in solution heat exchanger 8, referring among Fig. 7 shown in the thin empty-line arrows; 3) the absorbent loop between generator 1, reservoir 7 and condensation/absorber 6.The weak aqua ammonia liquid outlet of generator 1 connects the input port of airlift pump 9 through horizontal pipeline, the delivery outlet of airlift pump 9 connects the input port of reservoir 7, the space of weak aqua ammonia liquid outlet horizontal tube outside in solution heat exchanger 8 of reservoir 7 connects the shower nozzle in condensation/absorber 6, the input port that connects generator 1 by the horizontal pipeline of concentrated ammonia liquor liquid outlet in solution heat exchanger 8 of condensation/absorber 6, referring among Fig. 7 shown in the solid arrow, the ammonia gas outlet of reservoir 7 connects the ammonia input port of condensation/absorber 6.Thick empty-line arrows is depicted as the heat flow direction among Fig. 7.
Condensation/absorber 6 is located among the cooling water sleeve 2, and rectifier 3 (pipeline) is located among condensation/absorber 6 cooling water sleeve 2 outward, and airlift pump 9 bottoms are made into round table-like; Enough heat flow densities are provided for generator 1 and airlift pump 9, can in evaporimeter 4, produce refrigeration effect.The normal operation of system relies on the difference in height of driving effect, working medium liquid level and each container parts line arrangement of airlift pump 9 fully and finishes.
The working medium centering that the present invention uses, with the butane is that cold-producing medium, water are that absorbent, ammonia are pressure equilibrium agent, its concrete course of work is gone into down: when system moves, the ammoniacal liquor concentrated solution in generator 1 by after the external heat source heating, the ammonia gas of the inertia that is separated is from through after being distributed in rectifier 3 pipelines in the cooling water sleeve 2, the steam that is mingled with in the gas is back to generator by the external refrigeration water condensation, the ammonia gas subsequent that purity is very high imports in the evaporimeter 4, reduce the vapour pressure on liquefied butane surface, the inside, impelled its sweat cooling; Butane after the evaporation-ammonia mist enters forecooler 5, with carry out entering condensation/absorber 6 after the heat exchange from the ammonia gas of generator, ammonia is absorbed by the dilute ammonia solution spray from reservoir 7, thereby the partial pressure of butane raises in the mist, is condensed under extraneous coolant water temperature.Because in the employed working medium group, liquefied butane and ammoniacal liquor are immiscible, can natural separation under the gravity effect.The lower butane of density that is arranged in the upper strata is back to evaporimeter 4 through forecooler 5 again, finishes the cold-producing medium circulation.Simultaneously, in condensation/absorber 6 in the solution the bigger concentrated ammonia liquor of density be positioned at lower floor, enter solution heat exchanger 8 through horizontal pipeline, carry out flowing to generator 1 after the heat exchange with dilute ammonia solution from reservoir 7, finish the pressure equilibrium agent circulation.
Ammoniacal liquor concentrated solution in the generator 1 goes out after the ammonia, when flowing through the airlift pump 9 bottom round platforms that are communicated with generator 1, further heated remaining weak aqua ammonia by external heat source, this heat source temperature is than occurrence temperature high slightly (about 5 ~ 10 ℃), cause the ammonia in the dilute ammonia solution further to seethe with excitement, in pump line, form and play the shape bubble, the unsteady reservoir 7 that moving its upper liquid flows to a high position, the generation thermosyphon effect tried hard to recommend that bubble makes progress.Simultaneously, because density contrast appears in solution in airlift pump 9 interior solution and the generator 1, will further provide circulation power for airlift pump 9.Weak aqua ammonia in the reservoir 7 is flowed through after solution heat exchanger 8 heat exchange, sprays into condensation/absorber 6, absorbs the ammonia in the ammonia-butane mixture gase of flash-pot 4.After the ammonia that plays the driving force effect in airlift pump 9 enters reservoir 7, be imported into condensation/absorber 6, make whole device isostasy through pipeline.
Forecooler 5 before solution heat exchanger 8 before the generator 1 and the evaporimeter 4 improves cycle performance in order to strengthen heat exchange.Rectifier 3 effects of condensation/absorber 6 outsides are to prevent that steam from entering the refrigeration of the system that influences in the evaporimeter 4.The truncated cone-shaped design is done in airlift pump 9 bottoms, and the bubble that purpose is to keep in the vertical duct two phase flow is the slug flow type, guarantees pumping efficiency.The external heat source of generator 1 and airlift pump 9 can use solar energy or other used heat.
Claims (3)
1, a kind of single pressure absorption-type refrigeration machine comprises generator, cooling water sleeve, rectifier pipeline, evaporimeter, forecooler, knockdown condensation/absorber, reservoir, solution heat exchanger and an airlift pump that drives the bubble lifting low level solution that produces by heat energy; It is characterized in that described refrigeration machine is provided with:
1) refrigerant loop, connect the inlet of evaporimeter by the upper liquid outlet of condensation/absorber through forecooler inner horizontal pipeline, connect the mist air inlet of condensation/absorber by the space of horizontal pipeline outside in forecooler, mist gas outlet of evaporimeter;
2) pressure equilibrium agent loop, the gas outlet of generator connects the air inlet of evaporimeter through the helical form pipeline of rectifier pipeline, forecooler inside, connect the mist air inlet of condensation/absorber by the space of horizontal pipeline outside in forecooler, mist gas outlet of evaporimeter, connect the inlet of generator by the lower liquid outlet of condensation/absorber through solution heat exchanger inner horizontal pipeline;
3) absorbent loop, the liquid outlet of generator connects the input port on the round platform bottom the airlift pump through horizontal pipeline, the delivery outlet of airlift pump connects the inlet of reservoir, the space of the liquid outlet of reservoir horizontal pipeline outside in solution heat exchanger connects the shower nozzle in condensation/absorber, connect the inlet of generator by the lower liquid outlet of condensation/absorber through solution heat exchanger inner horizontal pipeline, the gas outlet of reservoir connects the air inlet at the top of condensation/absorber;
Described condensation/absorber is located among the cooling water sleeve, and described rectifier pipeline is located among the outer cooling water sleeve of described condensation/absorber;
Enough heat energy is provided for generator and airlift pump, can in evaporimeter, produces refrigeration effect; The normal operation of system relies on the difference in height of driving effect, working medium liquid level and each container parts line arrangement of airlift pump fully and finishes.
2, single pressure absorption-type refrigeration machine according to claim 1 is characterized in that, described evaporimeter becomes L type space layout with forecooler with remaining part.
3, single pressure absorption-type refrigeration machine according to claim 1 is characterized in that, described airlift pump bottom is made into round table-like; The round platform rough inner surface, a large amount of small depressions distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101177377A CN1945166A (en) | 2006-10-30 | 2006-10-30 | Water cooling type single pressure absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101177377A CN1945166A (en) | 2006-10-30 | 2006-10-30 | Water cooling type single pressure absorption refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN1945166A true CN1945166A (en) | 2007-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006101177377A Pending CN1945166A (en) | 2006-10-30 | 2006-10-30 | Water cooling type single pressure absorption refrigerator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975487A (en) * | 2010-10-13 | 2011-02-16 | 中国科学院广州能源研究所 | Diffused absorption refrigeration and hot water system using solar power |
| US8881539B1 (en) | 2013-12-20 | 2014-11-11 | King Fahd University Of Petroleum And Minerals | Hybrid storage absorption refrigeration system |
| US9194617B2 (en) | 2013-11-27 | 2015-11-24 | King Fahd University Of Petroleum And Minerals | Intermittent absorption refrigeration system equipped with a waste energy storage unit |
| CN105135741A (en) * | 2015-08-27 | 2015-12-09 | 海宁微动光能科技有限公司 | Modularized pump-free solar absorption type refrigerating machine |
| CN113405276A (en) * | 2021-07-14 | 2021-09-17 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated cold source circulation generator and absorption type refrigerating device |
-
2006
- 2006-10-30 CN CNA2006101177377A patent/CN1945166A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975487A (en) * | 2010-10-13 | 2011-02-16 | 中国科学院广州能源研究所 | Diffused absorption refrigeration and hot water system using solar power |
| CN101975487B (en) * | 2010-10-13 | 2012-05-16 | 中国科学院广州能源研究所 | Diffusion absorption refrigeration and hot water system applying solar energy |
| US9194617B2 (en) | 2013-11-27 | 2015-11-24 | King Fahd University Of Petroleum And Minerals | Intermittent absorption refrigeration system equipped with a waste energy storage unit |
| US8881539B1 (en) | 2013-12-20 | 2014-11-11 | King Fahd University Of Petroleum And Minerals | Hybrid storage absorption refrigeration system |
| CN105135741A (en) * | 2015-08-27 | 2015-12-09 | 海宁微动光能科技有限公司 | Modularized pump-free solar absorption type refrigerating machine |
| CN113405276A (en) * | 2021-07-14 | 2021-09-17 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated cold source circulation generator and absorption type refrigerating device |
| CN113405276B (en) * | 2021-07-14 | 2022-07-05 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated cold source circulation generator and absorption type refrigerating device |
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