CN101105348A - Ammonia-water absorption type air conditioner for automobile - Google Patents
Ammonia-water absorption type air conditioner for automobile Download PDFInfo
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- CN101105348A CN101105348A CNA2007101267147A CN200710126714A CN101105348A CN 101105348 A CN101105348 A CN 101105348A CN A2007101267147 A CNA2007101267147 A CN A2007101267147A CN 200710126714 A CN200710126714 A CN 200710126714A CN 101105348 A CN101105348 A CN 101105348A
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Sorption Type Refrigeration Machines (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an ammonia absorption type air conditioner for automobile, which comprises a generator, a vortex generating pipe, a rectification/fractional condenser, a safety valve, a condenser, a refrigerant storage device, a subcooler, a refrigerant throttling valve, an evaporator, a absorber, a solution throttling valve, a tapping valve, a solution storage device, a shutdown valve, a solution pump, a cooler, a solution heat exchanger and corresponding pipelines, wherein the shutdown valve is provided between the absorber and solution storage device, and the tapping valve is provided between the evaporator and solution storage device. The invention solves the technical problem that in ammonia absorption type refrigeration system, the concentration of ammonia solution in the evaporator decreases due to low efficiency in the rectifier. The invention has the advantages of simple structure, and convenient control and operation, and is an environmentally-friendly and energy-saving air conditioner for automobile capable of effectively utilizing the residual heat from automobile engine exhaust gas.
Description
Technical field
What the present invention relates to is a kind of absorption air-conditioner, particularly a kind of ammonia-water absorption type air conditioner for automobile with discharge opeing function.
Background technology
Environmental protection that traditional steam compression type air conditioning for automobiles brings and energy resource consumption problem make that developing the more energy-conservation novel automobile air-conditioner of more environmental protection becomes a very urgent thing.At present, the practical efficient of automobile engine is generally about 35～40%, accounting for launched machine recirculated cooling water of heat output of fuel energy over half and exhaust takes away, wherein most of used heat temperature is all more than 90 ℃, this part energy had both polluted environment to any discharging of environment, had wasted the energy again.Consider the factor of aspects such as UTILIZATION OF VESIDUAL HEAT IN technology and feasibility, engine tail gas waste-heat is most convenient during automobile engine residual heat utilizes, simple parts.The characteristics of engine tail gas waste-heat are the temperature height, and capacity is little, consider the dew point corrosion problem of acidic oxide in the exhaust, and available exhaust heat minimum temperature is about 180 ℃, and corresponding available energy accounts for more than 20% of heat output of fuel.Therefore, utilize the waste heat of automobile engine tail gas produce in the compartment needed cold become a kind of may.The refrigeration modes that can utilize residual heat of tail gas of automobile to produce cold has steam-sprayed, absorption and three kinds of absorption types usually.Shortcomings such as steam jet refrigerator has the shortcoming that equipment volume is big, running efficiency of system is low and is difficult to use on automobile, and adsorbent refrigerator is big because of its equipment volume, switching device shifter is complicated, poor reliability and efficient are low also are difficult to large-scale promotion application on automobile.
Absorption Refrigerator can address the above problem to a certain extent.At present, the absorption refrigeration of technical conditions comparative maturity mainly contains two kinds of lithium bromide-water absorption type refrigeration and aqua-ammonia absorption-type refrigerating machines.With regard to ammonia-water absorption type Vehicular refrigeration technology, find two pieces of related art by literature search, the one, Chinese patent 02288696.6 invention disclosed is created name and is called " automatically controlled absorption air conditioning for automobiles " prior art, and the 2nd, Chinese patent 02202478.6 invention disclosed is created name and is called " absorption air conditioning for automobiles " prior art.The former discloses a kind of ammonia water absorbing air conditioner that adopts cylinder sleeve of engine water waste heat as driving heat source, the latter discloses a kind of ammonia water absorbing air conditioner that can adopt engine tail gas waste-heat to drive, the shortcoming of these two kinds of refrigeration machines is all to solve the evaporation efficiency decline problem that ammoniacal liquor concentration constantly descends and brings in the evaporimeter.
Summary of the invention
The objective of the invention is to overcome the technical problem that can not solve the evaporation efficiency decline that the continuous decline of ammoniacal liquor concentration is brought in the evaporimeter that above-mentioned prior art exists, a kind of direct-fired ammonia-water absorption type air conditioner for automobile of employing motor exhaust of keeping ammoniacal liquor higher degree in the evaporimeter is provided.
Its technical solution is:
A kind of ammonia-water absorption type air conditioner for automobile comprises generator, rectifying/segregator, condenser, evaporimeter, absorber, solution reservoir, solution pump and corresponding connecting line, is provided with tapping valve on the connecting line between evaporimeter and the solution reservoir.
On the connecting line between above-mentioned absorber and the solution reservoir, be provided with shutdown valve.
Above-mentioned rectifying/segregator is assemblied in the outlet of generator, the outlet of rectifying/segregator is communicated with condenser, the outlet of above-mentioned condenser is connected with a bushing type subcooler, establish choke valve between evaporimeter and the subcooler, the steam (vapor) outlet of evaporimeter is connected with the steam inlet of absorber by subcooler; The steam inlet of absorber is communicated with the steam (vapor) outlet of subcooler, and the solution inlet port of absorber is connected with cooler by choke valve, and absorber bottom is established taphole, and it is connected with the solution reservoir; The outlet of above-mentioned solution reservoir is communicated with solution pump, the solution pump outlet is communicated with the concentrated solution import of solution heat exchanger, the concentrated solution outlet of solution heat exchanger is communicated with the solution inlet port of rectifying/segregator, the weak solution outlet of generator is connected with the dilute solution inlet of solution heat exchanger, and the weak solution outlet of solution heat exchanger is connected with the import of cooler.
The cryogen reservoir is set on the connecting line of above-mentioned condenser and subcooler.
Above-mentioned generator is a shell-tube type, and the flow-disturbing pipe is set in heat exchanger tube, and generator is directly heated by motor exhaust; Safety valve is housed on rectifying/segregator; Evaporimeter is climbing film evaporator or fin-tube type evaporimeter, and absorber is a falling-film absorber; Above-mentioned cooler is the fin-tube type cooler.
Above-mentioned solution heat exchanger and subcooler all can adopt counter-flow arrangement, and the former reclaims the heat of weak solution, and the latter reclaims the cold that ammonia steam carries.
Above-mentioned rectifying/fractionator and generator preferentially adopt integral structure.
In above-mentioned ammonia-water absorption type air conditioner for automobile except filling ammonia spirit as working media.
Above-mentioned condenser, cooler and absorber arrangement are on the same position on the automobile, and this position also disposes a shared fan.
In ammonia-water absorption type air conditioner for automobile of the present invention, its evaporimeter is provided with pumping equipment (tapping valve), after the concentration of ammoniacal liquor drops to a certain degree in evaporimeter, start pumping equipment the ammoniacal liquor of low concentration is discharged to rapidly in the solution reservoir, ammoniacal liquor has higher purity to keep its higher evaporation efficiency in the evaporimeter thereby keep.Mode of heating adopts vehicle exhaust directly to heat, and do not adopt cylinder sleeve of engine water mode of heating, can reduce Intermediate Heat Exchanger on the one hand and make equipment more compact, not change existing engine structure and cooling system on the other hand, make the adaptability of refrigeration machine stronger.
Description of drawings
Figure is one embodiment of the present invention structural principle schematic diagram.
The present invention will be described below in conjunction with accompanying drawing:
The specific embodiment
In conjunction with the accompanying drawings, a kind of ammonia-water absorption type air conditioner for automobile, it comprises generator 1, flow-disturbing pipe 2; rectifying/segregator 3, safety valve 4, cryogen reservoir 5; condenser 6, subcooler 7, cryogen choke valve 8; evaporimeter 9, absorber 10, tapping valve 11; shutdown valve 12, solution reservoir 13, solution pump 14; solution choke valve 15, cooler 16, solution heat exchanger 17 and corresponding connecting line thereof.Generator 1 is a shell-tube type, can directly heat by motor exhaust, flow-disturbing pipe 2 is installed in the interior heat transfer of strengthening tail gas and solution of heat exchanger tube of generator 1, rectifying/segregator 3 is assemblied in the steam (vapor) outlet of generator 1, rectifying/fractionator 6 and the generator 1 preferred integral structure that adopts are equipped with safety valve 4 on rectifying/segregator 3.The outlet of rectifying/segregator 3 is communicated with condenser 6, the outlet of condenser 6 is connected with subcooler 7, cryogen reservoir 5 is set on its connecting line, establishes cryogen choke valve 8 on the connecting line between evaporimeter 9 and the subcooler 7, the steam (vapor) outlet of evaporimeter 9 is connected with the steam inlet of subcooler 7.The steam (vapor) outlet of subcooler 7 is connected with absorber 10.The solution inlet port of absorber 10 is connected with cooler 16 by solution choke valve 15 and pipeline, and taphole is established in absorber 10 bottoms, and it is connected with solution reservoir 13 by pipeline.Connecting line between absorber 10 and the solution reservoir 13 is provided with shutdown valve 12, the shutdown valve 12 optional electromagnet cut off valve of using.Connecting line between evaporimeter 9 and the solution reservoir 13 is provided with tapping valve 11, the tapping valve 11 optional electromagnet cut off valve of using.Solution pump 14 is one of power of solution circulation, in the concentrated solution import and the connecting line between the solution reservoir 13 of solution heat exchanger 17, the concentrated solution outlet of solution heat exchanger 17 is communicated with the solution inlet port of rectifying/segregator 3, the weak solution outlet of generator 1 is connected with the dilute solution inlet of solution heat exchanger 17, and the weak solution outlet of solution heat exchanger 17 is connected with the import of cooler 16.Solution heat exchanger and subcooler all adopt counter-flow arrangement, and the former reclaims the heat of weak solution, and the latter reclaims the cold that ammonia steam carries.Be filled with working media ammoniacal liquor in this air conditioning pipe system.Above-mentioned condenser 6, cooler 16 and absorber 10 are arranged on the same position on the automobile, and this position also can be furnished with a shared fan.
Its operation principle is roughly as follows:
The launched machine high-temperature flue gas heating of solution in the generator, the concentrated ammonia solution that the ammonia vapor that produces enters rectifying/segregator and solution heat exchanger carries out the caloic exchange, rarer ammonia spirit flows into generator, ammonia vapor is then purified, ammonia concentration raises, cool off through condenser, after the condensation, ammoniacal liquor further cools off through subcooler, the bottom of inflow evaporator after the throttling of cryogen choke valve again, in heat-transfer pipe of evaporator under the capillarity of capillary surface, liquefied ammonia is distributed to the inner surface of heat-transfer pipe and constantly evaporation under the heating of the absorption of absorber and air in a car compartment, enters absorber after the ammoniacal liquor heat exchange that the ammonia steam that evaporimeter comes out at first comes out through subcooler and condenser.After the ammoniacal liquor weak solution that generator comes out is cooled through solution heat exchanger, entering cooler further is cooled, then through the top of solution choke valve inflow absorber, the ammoniacal liquor weak solution is evenly distributed on the inner surface of absorber heat exchanging pipe through film-distributing device, be beneficial to the ammonia that solution and evaporimeter come out and carry out sufficient caloic exchange, strengthen assimilation effect.After absorbing ammonia, weak solution flows out from the bottom of absorber and enters the solution reservoir, and boosting through solution pump then enters the concentrated solution generation heat exchange that solution heat exchanger and generator come out, and weak solution is heated, and concentrated solution is cooled.At last, the weak solution that solution heat exchanger comes out enters rectifying/segregator, and the ammonia vapor that comes out with generator carries out the caloic exchange.Because the effect of rectifying/segregator is limited on automobile; the purity of the liquefied ammonia in the evaporimeter can be more and more lower; have a strong impact on the performance of evaporimeter; for this reason; between evaporimeter and solution pump, tapping valve is set,, opens tapping valve and close shutdown valve the lower liquid ammonia solution of purity in the evaporimeter is discharged in rectifying/segregator every certain hour; can keep ammoniacal liquor higher purity in the evaporimeter like this, alleviate water the ammoniacal liquor influence of evaporation.When shutting down, shutdown valve cuts out, and under the heat effect of motor exhaust, the solution in the generator will constantly evaporate, and in condenser after the condensation in the inflow evaporator, to avoid the device overtemperature and causes system pressure to surpass safe range.When starting shooting again, at first open tapping valve and solution pump the solution in the evaporimeter is discharged in the generator, close tapping valve then, open shutdown valve, system begins to enter normal operating conditions.
Claims (8)
1. ammonia-water absorption type air conditioner for automobile, comprise generator, rectifying/segregator, condenser, evaporimeter, absorber, solution reservoir, solution pump and corresponding connecting line, it is characterized in that: on the connecting line between evaporimeter and the solution reservoir, be provided with tapping valve.
2. ammonia-water absorption type air conditioner for automobile according to claim 1 is characterized in that: be provided with shutdown valve on the connecting line between described absorber and the solution reservoir.
3. ammonia-water absorption type air conditioner for automobile according to claim 1 and 2, it is characterized in that: described rectifying/segregator is assemblied in the outlet of generator, the outlet of rectifying/segregator is communicated with condenser, the outlet of above-mentioned condenser is connected with a bushing type subcooler, establish choke valve between evaporimeter and the subcooler, the steam (vapor) outlet of evaporimeter is connected with the steam inlet of absorber by subcooler; The steam inlet of absorber is communicated with the steam (vapor) outlet of subcooler, and the solution inlet port of absorber is connected with cooler by choke valve, and absorber bottom is established taphole, and it is connected with the solution reservoir; The outlet of above-mentioned solution reservoir is communicated with solution pump, the solution pump outlet is communicated with the concentrated solution import of solution heat exchanger, the concentrated solution outlet of solution heat exchanger is communicated with the solution inlet port of rectifying/segregator, the weak solution outlet of generator is connected with the dilute solution inlet of solution heat exchanger, and the weak solution outlet of solution heat exchanger is connected with the import of cooler.
4. ammonia-water absorption type air conditioner for automobile according to claim 3 is characterized in that: the cryogen reservoir is set on the connecting line of described condenser and subcooler.
5. ammonia-water absorption type air conditioner for automobile according to claim 3 is characterized in that: described generator is a shell-tube type, and the flow-disturbing pipe is set in heat exchanger tube, and generator is directly heated by motor exhaust; Safety valve is housed on rectifying/segregator; Evaporimeter is climbing film evaporator or fin-tube type evaporimeter, and absorber is a falling-film absorber; Above-mentioned cooler is the fin-tube type cooler.
6. ammonia-water absorption type air conditioner for automobile according to claim 3 is characterized in that: described solution heat exchanger and subcooler all can adopt counter-flow arrangement, and the former reclaims the heat of weak solution, and the latter reclaims the cold that ammonia steam carries.
7. ammonia-water absorption type air conditioner for automobile according to claim 3 is characterized in that: described rectifying/fractionator and generator preferentially adopt integral structure.
8. ammonia-water absorption type air conditioner for automobile according to claim 3 is characterized in that: described condenser, cooler and absorber arrangement are on the same position on the automobile, and this position also disposes a shared fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101267147A CN101105348A (en) | 2006-11-04 | 2007-06-15 | Ammonia-water absorption type air conditioner for automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610069980 | 2006-11-04 | ||
| CN200610069980.6 | 2006-11-04 | ||
| CNA2007101267147A CN101105348A (en) | 2006-11-04 | 2007-06-15 | Ammonia-water absorption type air conditioner for automobile |
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| CN101105348A true CN101105348A (en) | 2008-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101267147A Pending CN101105348A (en) | 2006-11-04 | 2007-06-15 | Ammonia-water absorption type air conditioner for automobile |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128081A (en) * | 2011-01-10 | 2011-07-20 | 谢逢华 | Low-noise diesel generating set using self waste heat for refrigeration |
| CN102367969A (en) * | 2011-09-13 | 2012-03-07 | 苏州市伦琴工业设计有限公司 | High-temperature heat conveying system |
| CN102645050A (en) * | 2011-02-22 | 2012-08-22 | 中国科学院工程热物理研究所 | Ammonia water absorbing-type refrigeration system and method using concentration-adjustable working medium |
| CN103629846A (en) * | 2012-08-21 | 2014-03-12 | 成都掌握移动信息技术有限公司 | Generating device for afterheat type ammonia-solution-absorption refrigerating machine |
| CN104019575A (en) * | 2012-09-06 | 2014-09-03 | 泰山集团股份有限公司 | Ammonium hydroxide absorption refrigerating machine |
| CN104061711A (en) * | 2014-07-14 | 2014-09-24 | 山东理工大学 | Automobile exhaust gas refrigerating device |
| CN104890474A (en) * | 2015-06-04 | 2015-09-09 | 广东美的制冷设备有限公司 | Vehicular air conditioner and vehicle |
| CN106288492A (en) * | 2016-09-27 | 2017-01-04 | 华中科技大学 | A kind of air-cooled Absorption Refrigerator for automobile |
| CN107328136A (en) * | 2017-07-06 | 2017-11-07 | 青岛大学 | A kind of accumulating type air-conditioning refrigeration device for automobile based on tail gas waste heat |
| CN110411067A (en) * | 2019-07-30 | 2019-11-05 | 东南大学 | A kind of falling liquid film generator for low-temperature flue gas driving absorption system |
| CN111347838A (en) * | 2020-03-11 | 2020-06-30 | 合肥丰蓝电器有限公司 | Waste heat recovery air treatment device |
| CN111854218A (en) * | 2020-08-18 | 2020-10-30 | 江苏江平新环境科技有限公司 | Marine ammonia absorption type refrigeration system |
| CN112107969A (en) * | 2020-10-16 | 2020-12-22 | 吉林市吉化江城油脂化工有限责任公司 | Ammonia-containing tail gas absorption tower and matched energy recovery system |
| 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 |
| CN115013998A (en) * | 2022-06-27 | 2022-09-06 | 张丽红 | Ammonia absorption heat pump and control method thereof |
-
2007
- 2007-06-15 CN CNA2007101267147A patent/CN101105348A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128081A (en) * | 2011-01-10 | 2011-07-20 | 谢逢华 | Low-noise diesel generating set using self waste heat for refrigeration |
| CN102645050A (en) * | 2011-02-22 | 2012-08-22 | 中国科学院工程热物理研究所 | Ammonia water absorbing-type refrigeration system and method using concentration-adjustable working medium |
| CN102367969A (en) * | 2011-09-13 | 2012-03-07 | 苏州市伦琴工业设计有限公司 | High-temperature heat conveying system |
| CN103629846A (en) * | 2012-08-21 | 2014-03-12 | 成都掌握移动信息技术有限公司 | Generating device for afterheat type ammonia-solution-absorption refrigerating machine |
| CN104019575A (en) * | 2012-09-06 | 2014-09-03 | 泰山集团股份有限公司 | Ammonium hydroxide absorption refrigerating machine |
| CN104019575B (en) * | 2012-09-06 | 2016-08-24 | 泰山集团股份有限公司 | Ammonia water absorption refrigerating machine |
| CN104061711A (en) * | 2014-07-14 | 2014-09-24 | 山东理工大学 | Automobile exhaust gas refrigerating device |
| CN104890474A (en) * | 2015-06-04 | 2015-09-09 | 广东美的制冷设备有限公司 | Vehicular air conditioner and vehicle |
| CN106288492A (en) * | 2016-09-27 | 2017-01-04 | 华中科技大学 | A kind of air-cooled Absorption Refrigerator for automobile |
| CN107328136A (en) * | 2017-07-06 | 2017-11-07 | 青岛大学 | A kind of accumulating type air-conditioning refrigeration device for automobile based on tail gas waste heat |
| CN110411067A (en) * | 2019-07-30 | 2019-11-05 | 东南大学 | A kind of falling liquid film generator for low-temperature flue gas driving absorption system |
| CN110411067B (en) * | 2019-07-30 | 2021-05-11 | 东南大学 | Falling film generator for low-temperature flue gas driven absorption type refrigerating system |
| CN111347838A (en) * | 2020-03-11 | 2020-06-30 | 合肥丰蓝电器有限公司 | Waste heat recovery air treatment device |
| CN111347838B (en) * | 2020-03-11 | 2021-08-24 | 合肥丰蓝电器有限公司 | Waste heat recovery air treatment device |
| CN111854218A (en) * | 2020-08-18 | 2020-10-30 | 江苏江平新环境科技有限公司 | Marine ammonia absorption type refrigeration system |
| CN112107969A (en) * | 2020-10-16 | 2020-12-22 | 吉林市吉化江城油脂化工有限责任公司 | Ammonia-containing tail gas absorption tower and matched energy recovery system |
| 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 |
| CN115013998A (en) * | 2022-06-27 | 2022-09-06 | 张丽红 | Ammonia absorption heat pump and control method thereof |
| CN115013998B (en) * | 2022-06-27 | 2023-05-12 | 张丽红 | Ammonia water absorption heat pump and control method thereof |
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