CN201819469U - Miniaturized absorption type refrigeration apparatus - Google Patents
Miniaturized absorption type refrigeration apparatus Download PDFInfo
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- CN201819469U CN201819469U CN2010205652795U CN201020565279U CN201819469U CN 201819469 U CN201819469 U CN 201819469U CN 2010205652795 U CN2010205652795 U CN 2010205652795U CN 201020565279 U CN201020565279 U CN 201020565279U CN 201819469 U CN201819469 U CN 201819469U
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- generator
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- heat exchanger
- injector
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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 utility model discloses a miniaturized absorption type refrigeration apparatus, which comprises a generator, a condenser, a throttling component, an evaporator an absorber, a solution pump and an injector connected by pipelines; air-cooling type hot pipe coolers are disposed on the top of the generator; a first solution heat exchanger is disposed under the dense solution inlet in the generator; a second solution heat exchanger is disposed in the absorber; the dilute solution outlet of the generator is in series connection with the first solution heat exchanger, a first air-cooling type cooler and the second solution heat exchanger by pipelines, and then is connected with the working fluid inlet of the injector; the fluid outlet of the injector is in series connection with the second air-cooling type cooler by pipelines, then is connected with the solution inlet of the absorber. The refrigerator of the utility model utilizes low grade energy sources effectively, realizes air-cooling of whole assembling set by air-cooling mode heat elimination, achieves the high efficient utilization of low grade energy sources; and has the advantages of stable and reliable operation, high efficiency, energy conservation and low operation cost.
Description
Technical field
The utility model relates to a kind of refrigeration machine, relates in particular to the miniaturization absorption type refrigerating unit that a kind of low-grade energy thermal source drives.
Background technology
It is refrigeration working medium that ammoniacal liquor absorption refrigerating machine of the prior art adopts ammonia, have energy-conservation and the environmental protection advantage, in order to raise the efficiency, also there is the ammoniacal liquor absorption refrigerating machine that uses injector, injector is a kind of device that is usually used in hybrid working fluid and driving fluid with the fluid-mixing that obtains one pressure placed in the middle, in Chinese patent CN 101776346 disclosed technology contents, just adopt have nozzle and ejecting port injector mix as the dilute ammonia solution of working fluid with as the ammonia steam of driving fluid, but this type of ammoniacal liquor absorption refrigerating machine is because injection flow is limited, and assimilation effect still remains to be improved.In addition, there is air-cooledization of unit difficulty in existing ammoniacal liquor absorption refrigerating machine, needs the higher shortcoming of occurrence temperature, and this has just limited the effective utilization of ammonia water absorbing refrigerator to low-temperature heat source greatly.
The utility model content
The purpose of this utility model is to provide a kind of miniaturization absorption type refrigerating unit that relies on the air cooling way heat extraction.
For achieving the above object, technical scheme that the utility model adopts: a kind of miniaturization absorption type refrigerating unit, comprise the generator that connects by pipeline, condenser, throttle part, evaporimeter, absorber, solution pump, injector, described generator has the weak solution outlet of bottom, the concentrated solution import at middle part, the heater that the steam (vapor) outlet at top and Qi Nei establish, described injector has Working-fluid intaking, injection gas access and fluid issuing, described absorber has solution and advances, outlet, the fluid issuing of described injector is communicated with the solution inlet of absorber by pipeline, the steam (vapor) outlet on described generator top is connected in series condenser successively by pipeline, throttle part, insert the injection gas access of injector behind the evaporimeter, the weak solution outlet of described generator is communicated with the Working-fluid intaking of injector by pipeline, the taphole of described absorber links to each other with the concentrated solution import of generator through solution pump and pipeline, described generator top is provided with air-cooled heat pipe cooler, and air-cooled heat pipe cooler comprises that many one ends are inserted in the generator, the heat pipe body that the other end stretches out from the top of generator, with the heat pipe body stretch out the outer corresponding blower fan of part of generator; Also comprise first and second air cooled chiller that cools off usefulness, be provided with first solution heat exchanger in concentrated solution import below correspondence in the described generator, be provided with second solution heat exchanger in the described absorber, the weak solution outlet of described generator is connected in series first solution heat exchanger, first air cooled chiller, second solution heat exchanger by pipeline, inserts the Working-fluid intaking of injector then; The fluid issuing of described injector is connected in series second air cooled chiller by pipeline, inserts the solution inlet of absorber then.
Described air-cooled heat pipe cooler is air-cooled pulsating heat pipe, and air-cooled pulsating heat pipe adopts the pulsating heat pipe body.
The pipeline that links to each other between the concentrated solution import of the outlet of described solution pump and generator is provided with branch line, the inlet of this branch line access first air cooling heat exchanger after the pipeline that solution control valve and the outlet of described first solution heat exchanger are connected converges.
Described heater is solar thermal collector, underground water cycle heat exchange device, industrial wastewater heat exchanger or fuel heater, combustion heater.
Effect of the present utility model and benefit are effectively to utilize low-grade energy, utilize air cooling fin pulsating heat pipe purification ammonia steam and get rid of rectified heat, utilize weak solution to take away the interior absorption heat of absorber, by the combined reinforced solution assimilation effect of absorber, injector and each air cooled chiller, improve the unit refrigerating efficiency, help dwindling unit volume, take air cooling way to discharge rectified heat, absorb hot and cold air-cooledization of heat realization unit with fixed attention, its realizes that low-grade energy efficiently utilizes, and has advantages such as reliable and stable operation, energy-efficient and low operating cost.
Further, the working fluid of injector of the present utility model is by being formed mixed solution from the high pressure weak solution of generator with from the high-pressure thick solution of solution pump, by increasing the assimilation effect that the working fluid flow improves absorption pressure and strengthens solution.
Description of drawings
Fig. 1 is the structural principle schematic diagram of the embodiment of miniaturization absorption type refrigerating unit of the present utility model.
Among the figure, 1, generator, 2, condenser, 3, regenerator, 4, throttle part, 5, evaporimeter, 6, absorber, 7, solution pump, 8, solution control valve, 9, the first air cooled chillers, 10, first solution heat exchanger, 11, second solution heat exchanger, 12, air-cooled pulsating heat pipe, 13, packing layer, 14, injector, 15, second air cooled chiller 16, heater.
The specific embodiment
As shown in Figure 1, the embodiment of miniaturization absorption type refrigerating unit of the present utility model, arrow is represented the flow direction of fluid among the figure, comprises and the similar generator 1 of the structure of ammoniacal liquor absorption refrigerating machine of the prior art, condenser 2, regenerator 3, throttle part 4, evaporimeter 5, absorber 6, solution pump 7, injector 14.Below highlight difference with the prior art and innovation part, described generator 1 has the weak solution outlet of bottom, the concentrated solution import at middle part and the steam (vapor) outlet at top, set gradually heater 16, packing layer 13, first solution heat exchanger 10, air-cooled pulsating heat pipe 12 in the generator 1 from bottom to top, solar thermal collector, underground water cycle heat exchange device, industrial wastewater heat exchanger that described heater 16 can select the heating amount to be supplied with by low-grade energy also can be selected the heater commonly used by fuel oil or fuel gas supply energy.Described air-cooled pulsating heat pipe 12 comprise many one ends are inserted in the generator 1, the other end stretches out from the top of generator 1 pulsating heat pipe body, with the corresponding blower fan of part outside the generator of stretching out of pulsating heat pipe body, cooling fins is also posted in stretching out on the outer part of generator of described pulsating heat pipe body, certainly in other embodiments of the present utility model, air-cooled pulsating heat pipe also can be replaced by common air-cooled fin tube condenser, but need the steel pipe that quantity is many, diameter is bigger, cost is higher.Described injector 14 has Working-fluid intaking, injection gas access and fluid issuing.Described absorber 6 has inner second solution heat exchanger 11 that is provided with of solution import and export and its, and the spray thrower of the top setting in the solution inlet port of absorber 6 and the absorber is connected, and the taphole of absorber 6 is located at absorber bottom.Condenser 2 in the present embodiment adopts air cooled condenser, and condenser also can adopt other forms such as water-cooled in other embodiment of the present utility model certainly.
The steam (vapor) outlet on generator 1 top is connected in series highly pressurised liquid passage, throttle part 4, the evaporimeter 5 of condenser 2, regenerator 3, the low-pressure gas passage of regenerator 3 successively by pipeline, inserts the injection gas access of injector 14 then; The weak solution outlet of generator 1 bottom is connected in series the Working-fluid intaking of first solution heat exchanger, 10, the first air-cooled heat exchanger 9, second solution heat exchanger, 11 back access injectors 14 successively by pipeline.The taphole of described absorber 6 links to each other with solution pump 7 inlets, solution pump 7 outlet downstream institute connecting leg roads are divided into two-way, one the tunnel links to each other with the concentrated solution of described generator 1 inlet, after converging, the pipeline that outlet connected of another road by solution control valve 8 and described first solution heat exchanger 11 be connected to the inlet of first air cooling heat exchanger 9, the fluid issuing of injector 14 is connected in series second air cooled chiller 15 by pipeline, inserts the solution inlet of absorber 6 then.
Be provided with regenerator 3 in the foregoing description, regenerator 3 belongs to the commonly used of ammonia water absorbing refrigerator but nonessential parts, in other embodiment of the present utility model, also regenerator can be set, and the outlet of condenser 2 is connected throttle part 4, evaporimeter 5 successively, insert the injection gas access of injector 14 then.
Embodiment of the present utility model carries out ammonia circulation and ammonia spirit circulation simultaneously when work.
Ammonia recycle process by: concentrated ammonia liquor in generator 1, be heated the overheated ammonia vapor of generation carry through packing layer 13 in the generator 1 successively and heating up in a steamer and 10 heat exchange of first solution heat exchanger, again through generator 1 top air cooling fin pulsating heat pipe 12 rectification and purification ammonia steam and eliminating rectified heat, entering condenser 2 is condensed into liquefied ammonia, becomes supercooled liquid ammonia after regenerator 3 mistakes is cold, enter evaporimeter 5 heat absorption sweat coolings through throttle part 4 throttling step-downs afterwards, and then through regenerator 3 by injection to injector 14.
The ammonia spirit cyclic process is: enter 10 heat exchange of first solution heat exchanger concentrated ammonia liquor is become weak aqua ammonia by heater 16 heating in generator 1 after and be cooled, entering first air cooling heat exchanger 9 afterwards after the high-pressure thick solution from solution pump 7 outlets mixes is cooled, 9 effects of first air cooled chiller are that the higher solution of temperature is cooled to 40 ℃, 40 ℃ of solution enters to take away in second solution heat exchanger 11 and absorbs hot temperature and rise to 45 ℃ then, after the cooling of second air cooled chiller 15, reduce to 40 ℃ again as the working solution injection of injector 14 ammonia steam from regenerator 3, also carrying out solution in the injector 14 absorbs ammonia steam and emits and absorb heat and cause that the absorbent solution temperature raises, gas-fluid two-phase mixture is gone into to carry out in the air cooling heat exchanger 15 solution and is absorbed and discharge and absorb heat through the injector supercharging is laggard, entering in the absorber 6 the ammonia steam is then further absorbed by solution and lowers the temperature, absorber 6 bottom concentrated solutions are divided into two parts after by solution pump 7 superchargings, a part is by solution control valve 8, second air cooling heat exchanger 9 is as the working solution of injector 14, and another part flows back to generator 1 bottom after being sent to weak solution in generator 1 cooling first solution heat exchanger 10 again.So far, finish a complete cyclic process.
Claims (4)
1. miniaturization absorption type refrigerating unit, comprise the generator that connects by pipeline, condenser, throttle part, evaporimeter, absorber, solution pump, injector, described generator has the weak solution outlet of bottom, the concentrated solution import at middle part, the heater that the steam (vapor) outlet at top and Qi Nei establish, described injector has Working-fluid intaking, injection gas access and fluid issuing, described absorber has solution and advances, outlet, the fluid issuing of described injector is communicated with the solution inlet of absorber by pipeline, the steam (vapor) outlet on described generator top is connected in series condenser successively by pipeline, throttle part, insert the injection gas access of injector behind the evaporimeter, the weak solution outlet of described generator is communicated with the Working-fluid intaking of injector by pipeline, the taphole of described absorber links to each other with the concentrated solution import of generator through solution pump and pipeline, it is characterized in that: described generator top is provided with air-cooled heat pipe cooler, and air-cooled heat pipe cooler comprises that many one ends are inserted in the generator, the heat pipe body that the other end stretches out from the top of generator, with the heat pipe body stretch out the outer corresponding blower fan of part of generator; Also comprise first and second air cooled chiller that cools off usefulness, be provided with first solution heat exchanger in concentrated solution import below correspondence in the described generator, be provided with second solution heat exchanger in the described absorber, the weak solution outlet of described generator is connected in series first solution heat exchanger, first air cooled chiller, second solution heat exchanger by pipeline, inserts the Working-fluid intaking of injector then; The fluid issuing of described injector is connected in series second air cooled chiller by pipeline, inserts the solution inlet of absorber then.
2. according to the described miniaturization absorption type refrigerating unit of claim 1, it is characterized in that: described air-cooled heat pipe cooler is air-cooled pulsating heat pipe, and air-cooled pulsating heat pipe adopts the pulsating heat pipe body.
3. miniaturization absorption type refrigerating unit according to claim 1, it is characterized in that: the pipeline that links to each other between the concentrated solution import of the outlet of described solution pump and generator is provided with branch line, the inlet of this branch line access first air cooling heat exchanger after the pipeline that solution control valve and the outlet of described first solution heat exchanger are connected converges.
4. according to claim 1 or 2 or 3 described miniaturization absorption type refrigerating units, it is characterized in that: described heater is solar thermal collector, underground water cycle heat exchange device, industrial wastewater heat exchanger or fuel heater, combustion heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205652795U CN201819469U (en) | 2010-10-18 | 2010-10-18 | Miniaturized absorption type refrigeration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205652795U CN201819469U (en) | 2010-10-18 | 2010-10-18 | Miniaturized absorption type refrigeration apparatus |
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| CN201819469U true CN201819469U (en) | 2011-05-04 |
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| CN2010205652795U Expired - Fee Related CN201819469U (en) | 2010-10-18 | 2010-10-18 | Miniaturized absorption type refrigeration apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937334A (en) * | 2012-11-08 | 2013-02-20 | 中国科学院工程热物理研究所 | Method and device for improving thermal efficiency of gas water heater |
| CN104930746A (en) * | 2015-07-06 | 2015-09-23 | 中国科学院广州能源研究所 | Absorption type thermal converter |
| CN106288492A (en) * | 2016-09-27 | 2017-01-04 | 华中科技大学 | A kind of air-cooled Absorption Refrigerator for automobile |
| CN107727481A (en) * | 2017-09-25 | 2018-02-23 | 清华大学 | Long range cold transfer device based on small-sized Cryo Refrigerator |
| CN113819674A (en) * | 2021-10-22 | 2021-12-21 | 安徽普泛能源技术有限公司 | Absorption type refrigerating system and operation method thereof |
-
2010
- 2010-10-18 CN CN2010205652795U patent/CN201819469U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937334A (en) * | 2012-11-08 | 2013-02-20 | 中国科学院工程热物理研究所 | Method and device for improving thermal efficiency of gas water heater |
| CN104930746A (en) * | 2015-07-06 | 2015-09-23 | 中国科学院广州能源研究所 | Absorption type thermal converter |
| CN104930746B (en) * | 2015-07-06 | 2017-08-29 | 中国科学院广州能源研究所 | A kind of Absorption Heat Transformer Characteristics |
| CN106288492A (en) * | 2016-09-27 | 2017-01-04 | 华中科技大学 | A kind of air-cooled Absorption Refrigerator for automobile |
| CN107727481A (en) * | 2017-09-25 | 2018-02-23 | 清华大学 | Long range cold transfer device based on small-sized Cryo Refrigerator |
| CN107727481B (en) * | 2017-09-25 | 2020-09-22 | 清华大学 | Long-distance cold quantity transmission device based on small-sized low-temperature refrigerator |
| CN113819674A (en) * | 2021-10-22 | 2021-12-21 | 安徽普泛能源技术有限公司 | Absorption type refrigerating system and operation method thereof |
| CN113819674B (en) * | 2021-10-22 | 2022-08-12 | 安徽普泛能源技术有限公司 | Absorption type refrigerating system and operation method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20121018 |