CN1255657C - Evapouration and absorptive device and absorptive refrigeration system using said device - Google Patents
Evapouration and absorptive device and absorptive refrigeration system using said device Download PDFInfo
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- CN1255657C CN1255657C CNB2003101234554A CN200310123455A CN1255657C CN 1255657 C CN1255657 C CN 1255657C CN B2003101234554 A CNB2003101234554 A CN B2003101234554A CN 200310123455 A CN200310123455 A CN 200310123455A CN 1255657 C CN1255657 C CN 1255657C
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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
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- 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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Abstract
The present invention discloses an evaporation and absorption device and an absorption refrigerating system which uses the evaporation and absorption device. The evaporation and absorption device comprises an absorber, an evaporator, a gas pressurizer which is connected between the absorber and the evaporator, pressure sensor devices which are respectively arranged in the evaporator and the absorber, and a pressure difference control device which controls the pressurizer according to a received detection value of a pressure sensor so as to regulate working pressure between the evaporator and the absorber. The device can generate pressure differences between the evaporator and the absorber, so that absorption efficiency is improved, and simultaneously, the heat-exchange surface of the absorber is reduced. The present invention has the advantages of small volume and low cost; additionally, the absorption refrigerating system which adopts the evaporation and absorption device can regulate the evaporation temperature and the refrigerating capacity of an integral refrigeration machine set in a mode of the regulation of the pressure differences, and the present invention can realize the organic optimization operation of the machine set and an air conditioning system.
Description
One, affiliated technical field
The present invention relates to a kind of evaporation, absorption plant, especially a kind of evaporation, absorption plant that can change pressure differential between evaporimeter and the absorber, and a kind of absorption system that adopts this device.
Two, background technology
Absorption Refrigerator is to be used for a kind of important refrigeration plant of air-conditioning system. its groundwork principle is to utilize the solution thermodynamics characteristic, by absorbent and cold-producing medium in kind of refrigeration cycle, by absorption process, generating process, condensation process, throttling and evaporation process, thereby reach the purpose of refrigeration by the evaporimeter draw heat.
To the research and the improvement of Absorption Refrigerator, mainly concentrate on and improve performance, energy savings reduces volume and aspect such as reduce cost. the utilization of efficient heat conducting tube, improved unit performance and reduced volume; The application of novel heat exchanger has reduced manufacturing cost, has strengthened refrigeration again; The exploitation of the multiple-effect circulatory system has been opened up frontier for Absorption Refrigerator utilizes high-grade energy; The research and development of various corrosion inhibiter, the corrosivity of reduction cold-producing medium has prolonged its service life.
Absorber and evaporimeter are very important critical component in Absorption Refrigerator, and the quality of the assimilation effect of solution is directly connected to machine performance in the absorber.At present, in the approach of strengthening the Absorption Refrigerator absorption efficiency, the main concentration that strengthens solution that adopts, reduce cooling water temperature and increase methods such as heat, matter exchange area, from present developing trend analysis, said method all is subjected to certain restriction, with the breakthrough that reduces volume certain degree of difficulty is arranged to improving unit performance at no distant date.
The Absorption Refrigerator designing technique that the home and abroad is traditional, no matter be single-effect type or single-stage type or dual effect type or twin-stage type, even multiple-effect or multistage circulation, no matter the single cylinder type that evaporimeter and absorber are integrated is still with the two independently double-cylinder type respectively, no matter system flow is tandem type or parallel connection type, binary solution pressure when design in evaporimeter and the absorber equates that the pressure that is absorbed steam in the absorber is limited by the interior pressure of evaporimeter.This working cycles and structural limitations evaporation and the improvement of the coupling effect that absorbs and the raising of complete machine performance.
Three, summary of the invention
An object of the present invention is to utilize the approach that strengthens pressure differential between the binary solution steam to improve assimilation effect, the coupled structure of improving these two parts improves the characteristic of complete machine.To flow process is in the Absorption Refrigerator of tandem type or parallel connection type, the design supercharging device, the structure and the duty of improvement absorber and evaporimeter, operating efficiency, the coefficient of performance and the thermodynamic coefficient of raising refrigeration machine, simultaneously again can reduced volume, reduce manufacturing cost.
Another object of the present invention is with the method that increases the saturation pressure that is absorbed steam, alternative existing flow process is in series connection or the Absorption Refrigerator in parallel, and the methods such as concentration, reduction cooling water temperature and increase caloic exchange area that strengthen absorbent solution are strengthened assimilation effect.
Another object of the present invention is to set up a supercharging device to improve the pressure of gas in the absorber between the absorber of traditional tandem type flow process or parallel connection type flow process Absorption Refrigerator and evaporimeter.
Another object of the present invention is the pressure that is absorbed steam in the absorber with increasing, set up in the binary solution caloic exchange process and absorb for overvoltage being absorbed steam, for absorbent solution was that the method that enfleurage is received improves the solution assimilation effect, reached the purpose that reduces unit volume and reduce manufacturing cost.
Another object of the present invention is to regulate absorber and steam pressure separately with intelligent pressure reduction control method automatically, makes absorber reach the optimal absorption effect, and evaporimeter is obtained best refrigeration.
Another object of the present invention is to utilize intelligent pressure reduction automaton, with unit and load system Optimum Matching.
To achieve these goals, the invention provides a kind of evaporation, absorption plant, it comprises an absorber and an evaporimeter; A gas pressurized device that is connected between absorber and the evaporimeter; Be installed in the pressure sensor device in evaporimeter and the absorber respectively, be used to detect operating pressure in evaporimeter and the absorber; Thereby the detected value of the pressure sensor device that basis receives is controlled the pressure reduction control device that this supercharging device is regulated operating pressure between evaporimeter and the absorber.
When Absorption Refrigerator is worked, by the pressure reduction control device supercharging device is controlled, regulate the pressure in absorber and the evaporimeter respectively.
The evaporimeter internal pressure is constant when keeping, or when keeping evaporating temperature constant, and the control supercharging device is so that the pressure differential that increases between the partial pressure of the saturation pressure that is absorbed steam in the absorber and the interior steam of absorbent solution improves absorber efficient.
When keeping absorption pressure in the absorber when constant, the control supercharging device is so that reduce the refrigeration that the evaporating pressure in the evaporimeter is regulated evaporimeter.
In addition, evaporation, absorption plant can be single cylinder types.Gas pressurized device is arranged in absorber and the evaporator tube, between evaporimeter and absorber.
In addition, evaporation, absorption plant can be bitubular types.Gas pressurized device is arranged on the outside of described evaporimeter and absorber.
In addition, the pressure reduction control device can be a pressure reduction intelligent automatic control device.
Supercharging device can be a sharf streaming blower fan.Regulate pressure reduction by the rotating speed that changes sharf streaming blower fan.
Supercharging device also can be the injection type booster.Regulate pressure reduction by the circulation that changes the injection type booster.
The present invention also provides a kind of absorption system, this system is by the high pressure generator that connects by pipeline, low pressure generator, condenser, evaporimeter, absorber, low temperature heat exchanger, high-temperature heat exchanger, refrigerant pump, parts such as absorber are formed, it is characterized in that being connected with between described evaporimeter and the absorber gas pressurized device, a pressure sensor device is arranged respectively in evaporimeter and the absorber, a pressure reduction control device is connected with gas pressurized device with pressure sensor respectively, thereby this pressure reduction control device is regulated pressure differential between evaporimeter and the absorber according to the detected force value control of pressure sensor device gas pressurized device.
Evaporimeter in this absorption system and absorber can be bitubular types, and they are two cylindrical shells that separate, and described gas pressurized device is arranged on the outside of evaporimeter and absorber cylindrical shell.
In addition, evaporation, absorption plant also can be single cylinder type, and they are accommodated in the cylindrical shell, and described gas pressurized device is arranged on this inner barrel, between evaporimeter and absorber.
The advantage of above-mentioned absorption system is, owing between the absorber of the tandem type of routine or parallel connection type Absorption Refrigerator and evaporimeter, lay supercharging device, therefore absorber and the almost equal situation of evaporator pressure in traditional Absorption Refrigerator have been changed, thereby improved absorption efficiency, can reduce simultaneously the heat exchange area of absorber, reduce volume, reduce cost.In addition, pressure reduction between absorber and evaporimeter is tested, is controlled and regulated by pressure reduction intelligent automatic control device and differential pressure pickup, the invention of this function makes evaporating temperature, the refrigerating capacity of the whole refrigeration unit of automatic adjusting, and makes the organically optimization operation of unit and air-conditioning system become possibility.
Four, description of drawings
Fig. 1 is a kind of evaporation according to first embodiment of the invention, the schematic diagram of absorption plant;
Fig. 2 is a kind of evaporation according to second embodiment of the invention, the schematic diagram of absorption plant;
Fig. 3 is the flow chart that adopts a kind of double-effect lithium bromide absorption type refrigeration system of second embodiment of the invention;
Fig. 4 is the flow chart that adopts a kind of double-effect lithium bromide absorption type refrigeration system of first embodiment of the invention;
Fig. 5 is the flow chart that adopts a kind of mono-potency lithium bromide absorption system of second embodiment of the invention;
Fig. 6 is the flow chart that adopts a kind of mono-potency lithium bromide absorption system of first embodiment of the invention;
Fig. 7 is the flow chart that adopts a kind of single-grade aqua ammonia absorption refrigeration of first embodiment of the invention;
Fig. 8 is the flow chart that adopts a kind of single-grade aqua ammonia absorption refrigeration of second embodiment of the invention.
Five, the specific embodiment
Embodiment 1:
The present invention is based on the principle that concentrated solution in the solution thermodynamics is directly proportional with the saturation pressure of steam to the absorptivity of steam, between absorber and evaporimeter, set up pressure reduction, make the absorber internal pressure be higher than the evaporimeter internal pressure, formation absorbs for overvoltage being absorbed steam, for absorbent solution was the process that enfleurage is received, and had invented the supercharging Absorption Cooling System.
Fig. 1 is a kind of evaporation according to first embodiment of the invention, the schematic diagram of absorption plant.This evaporation, absorption plant are made up of parts such as evaporimeter 14, absorber 15, gas pressurized device 113, differential pressure controller 114 and differential pressure pickups 115.Evaporimeter 14 and absorber 15 are two cylindrical shells independently separately, and gas pressurized device 113 is contained in the outside of evaporimeter 14 and absorber 15 and places between evaporimeter and the absorber.The gas suction side of gas pressurized device 113 and the inner space of evaporimeter 14 interconnect by pipeline, and the gas outlet side of gas pressurized device 113 is communicated with by the inner space of pipeline with absorber 15.Be respectively arranged with pressure sensor 115 at evaporimeter 14 and absorber 15 inside, be used for detecting evaporimeter internal pressure and absorber internal pressure.The output of sensor 115 is connected with a differential pressure controller 114, and differential pressure controller 114 also is connected with gas pressurized device 113.The operation principle of this evaporation, absorption plant is, the differential pressure pickup 115 that is installed in evaporimeter 14 and the absorber 15 detects the interior pressure of two containers respectively, and with signal feedback to differential pressure controller 114, differential pressure controller 114 is according to pressure differential control gas pressurized device 113, thus the pressure differential between adjusting evaporimeter 14 and the absorber 15.
Wherein, above-mentioned differential pressure controller 114 can be a kind of intelligent automatic control device, and it has detection, identification and control function, can be according to setting in advance flow or the rotating speed that instruction in control device changes gas pressurized device 113.Differential pressure controller 114 also can be other forms of conventional controller, as long as can be just passable according to the such function of the pressure differential between pressure differential control gas pressurized device 113 adjusting evaporimeters that receive and the absorber thereby have.
When Absorption Refrigerator is worked, by the pressure reduction control device supercharging device is controlled, regulate the pressure in absorber and the evaporimeter respectively.
The evaporimeter internal pressure is constant when keeping, or when keeping evaporating temperature constant, and the control supercharging device is so that the pressure differential that increases between the partial pressure of the saturation pressure that is absorbed steam in the absorber and the interior steam of absorbent solution improves absorber efficient.
When keeping absorption pressure in the absorber when constant, the control supercharging device is so that reduce the refrigeration that the evaporating pressure in the evaporimeter is regulated evaporimeter.
In addition, supercharging device can be a sharf streaming blower fan.Regulate pressure reduction by the rotating speed that changes sharf streaming blower fan.
In addition, supercharging device can be the injection type booster.Regulate pressure reduction by the circulation that changes the injection type booster.
Embodiment 2:
Fig. 2 is a kind of evaporation according to second embodiment of the invention, the schematic diagram of absorption plant.Absorber among this embodiment and evaporimeter are the monotubular devices that merges into a single whole. this evaporation, absorption plant are made up of parts such as evaporimeter 24, absorber 25, gas pressurized device 213, differential pressure controller 214 and differential pressure pickups 215.Evaporimeter 24, absorber 25 and gas pressurized device 213 threes are installed in the same cylindrical shell, separate with gas pressurized device 213 between evaporimeter and the absorber.Differential pressure controller 214 is arranged on the outside of absorption, evaporation cylindrical shell.Evaporation, absorption plant among this device operation principle and first embodiment are basic identical, repeat no more here.
Similarly, above-mentioned differential pressure controller 214 can be a kind of pressure reduction intelligent automatic control device, and it can be according to setting in advance flow or the rotating speed that instruction in control device changes gas pressurized device 213.Differential pressure controller 214 also can be other forms of conventional controller, as long as can be just passable according to the such function of the pressure differential between pressure differential control gas pressurized device 213 adjusting evaporimeters that receive and the absorber thereby have.
Embodiment 3:
The evaporation of this single cylinder type and bitubular type, absorption plant can be applied in single-stage, twin-stage, tandem type and Absorption Cooling System parallel connection type.
For example, Fig. 3 is a kind of schematic diagram that has adopted the double-effect lithium bromide absorption type refrigeration system of single cylinder type evaporation of the present invention, absorption-device.
This absorption type refrigeration circulating system comprises high pressure generator 1, low pressure generator 2, condenser 3, evaporimeter 24, absorber 25, low temperature heat exchanger 6, coagulates parts such as water regenerator 7, high-temperature heat exchanger 8, air extractor 9, refrigerant pump 10, absorber 11, steam trap 12, gas pressurized device 213, differential pressure controller 214 and differential pressure pickup 215.
This boosting type double-effect lithium bromide absorption type kind of refrigeration cycle principle is: high pressure generator 1, low pressure generator 2 and condenser 3 are high pressure section; Evaporimeter 24 and absorber 25 are low pressure stages.High pressure section occurs as concentrated solution and steam with weak solution, and the steam condensation, flows to evaporate in the evaporimeter by the U-shaped tube coupling then and produce cold, and concentrated solution is got back to the steam that absorption is come by evaporimeter in the absorber and become weak solution in order to recycling.Low pressure stage is finished concentrated solution by evaporimeter 24, absorber 25, refrigerant pump 10 and absorber 11 becomes weak solution, the sweat cooling of low-pressure water after the throttling to the absorption of steam.Low temperature heat exchanger 6, to coagulate water regenerator 7, high- temperature heat exchanger 8 and 12 of steam traps be the heat exchanger that disposes in order to improve the absorption system performance.
Wherein, the supercharging device that gas pressurized device 213, differential pressure controller 214 and differential pressure pickup 215 are formed then is the application of embodiment 2 in this absorption type refrigeration circulating system among the present invention, and its operation principle repeats no more as described in example 2 above here.In addition, differential pressure controller 214 can be a pressure reduction intelligent automatic control device.
Embodiment 4:
Fig. 4 is a kind of schematic diagram that has adopted the double-effect lithium bromide absorption type refrigeration system of bitubular type evaporation of the present invention, absorption plant.The difference of this absorption system and embodiment 3 is to adopt the evaporation of bitubular type, absorption plant, and other building blocks are identical with embodiment 3.The operation principle of this boosting type double-effect lithium bromide absorption type refrigeration system is substantially the same manner as Example 3.The supercharging device that gas pressurized device 113, differential pressure controller 114 and differential pressure pickup 115 are formed then is the application of embodiment 1 in this absorption type refrigeration circulating system among the present invention, and its operation principle as described in example 1 above.Wherein differential pressure controller 114 can adopt pressure reduction intelligent automatic control device.
Embodiment 5:
Fig. 5 is a kind of circulation schematic diagram that adopts the mono-potency lithium bromide absorption system of single cylinder type evaporation of the present invention, absorption plant. this absorption system is made of parts such as generator 1, condenser 2, weak solution circulating pump 3, evaporimeter 24, absorber 25, solution heat exchanger 8, refrigerant pump 10, absorber 11, steam trap 12, gas pressurized device 213, pressure reduction intelligent automatic control device 214 and differential pressure pickups 215.This boosting type mono-potency lithium bromide Absorption Cooling System principle is: generator 1 and condenser 2 are high pressure section; Evaporimeter 24 and absorber 25 are low pressure stage.High pressure section occurs as concentrated solution and steam with weak solution, and the steam condensation, flows to evaporate in the evaporimeter by the U-shaped tube coupling then and produce cold, and concentrated solution is got back to the steam that absorption is come by evaporimeter in the absorber and become weak solution in order to recycling.Low pressure stage is finished concentrated solution by evaporimeter 24, absorber 25, weak solution circulating pump 3, refrigerant pump 10 and absorber 11 becomes weak solution, the sweat cooling of low-pressure water after the throttling to the absorption of steam.12 of solution heat exchanger 8 and steam traps are the heat exchangers that disposes in order to improve the absorption system performance.The supercharging device that gas pressurized device 213, pressure reduction intelligent automatic control device 214 and differential pressure pickup 215 are formed then is the application of embodiment 2 in this mono-potency lithium bromide Absorption Cooling System among the present invention, and its operation principle as described in example 2 above.
Embodiment 6:
Fig. 6 is a kind of circulation schematic diagram that has adopted the mono-potency lithium bromide absorption system of bitubular type evaporation of the present invention, absorption plant.This boosting type mono-potency lithium bromide Absorption Cooling System principle is identical with embodiment 5.The supercharging device that gas pressurized device 113, pressure reduction intelligent automatic control device 114 and differential pressure pickup 115 are formed then is the application of embodiment 1 in this absorption type refrigeration circulating system among the present invention, and its operation principle as described in example 1 above.
Embodiment 7:
Fig. 7 is a kind of bitubular type evaporation of the present invention of having adopted, the circulation schematic diagram of the single-grade aqua ammonia absorption refrigeration of absorption plant. this single-stage ammonia absorption type refrigeration circulatory system comprises generator 1, carry and heat up in a steamer device and rectifier 2, reflux condenser 3, evaporimeter 14, absorber 15, choke valve 16, choke valve 17, solution heat exchanger 8, refrigerant pump 9, concentrated solution pump 10, absorber 11, condenser 12, gas pressurized device 113, pressure reduction intelligent automatic control device 114 and differential pressure pickup 115.The operation principle of this bitubular type intelligence supercharging single-stage ammonia absorption type refrigeration circulation is as follows: generator 1, carry and heat up in a steamer device and rectifier 2, reflux condenser 3, concentrated solution pump 10 and condenser 12 construction system high pressure sections; 11 of evaporimeter 14, absorber 15, choke valve 16, choke valve 17, refrigerant pump 9 and absorbers constitute low pressure stage. high pressure section with the ammonia concentrated solution through generator 1, carry and obtain the very high ammonia steam of purity after heating up in a steamer device and rectifier 2 and reflux condenser 3, be condensed into the high pressure ammoniacal liquor through condenser 12 again, produce cold through choke valve 16 backs to the interior evaporation of evaporimeter at last; Absorbing ammonia steam after by choke valve 17 throttlings in the absorber through the ammonia weak solution after taking place becomes after the concentrated solution in order to recirculation.At low pressure stage, evaporimeter 14, absorber 15, refrigerant pump 9 and absorber 11 actings in conjunction make the low pressure ammonia solution sweat cooling in evaporimeter after the throttling, finish the absorption process to ammonia steam in absorber.8 of solution heat exchangers are the heat exchangers that disposes in order to improve the absorption system performance.The supercharging device that gas pressurized device 113, pressure reduction intelligent automatic control device 114 and differential pressure pickup 115 are formed then is the application of embodiment 1 in this single-stage ammonia absorption type kind of refrigeration cycle among the present invention, and its operation principle as described in example 1 above.
Embodiment 8:
Fig. 8 is a kind of circulation schematic diagram of the single-grade aqua ammonia absorption refrigeration of single cylinder type evaporation, absorption plant among the present invention that adopted. this boosting type single-stage ammonia absorption type kind of refrigeration cycle principle is identical with embodiment 7.The supercharging device that gas pressurized device 213, pressure reduction intelligent automatic control device 214 and differential pressure pickup 215 are formed then is the application of embodiment 2 in this absorption type refrigeration circulating system among the present invention, and its operation principle as described in example 2 above.
Claims (16)
1. an evaporation, absorption plant, it comprises:
An absorber and an evaporimeter;
A gas pressurized device that is connected between absorber and the evaporimeter;
Be installed in the pressure sensor device in evaporimeter and the absorber respectively, be used to detect operating pressure in evaporimeter and the absorber;
Thereby the detected value of the pressure sensor device that basis receives is controlled the pressure reduction control device that this supercharging device is regulated operating pressure between evaporimeter and the absorber.
2. evaporation according to claim 1, absorption plant wherein when Absorption Refrigerator is worked, are controlled supercharging device by the pressure reduction control device, regulate the pressure in absorber and the evaporimeter respectively.
3. evaporation according to claim 1, absorption plant, wherein constant when keeping the evaporimeter internal pressure, or when keeping evaporating temperature constant, the control supercharging device is so that the pressure differential that increases between the partial pressure of the saturation pressure that is absorbed steam in the absorber and the interior steam of absorbent solution improves absorber efficient.
4. evaporation according to claim 1, absorption plant, wherein when keeping absorption pressure in the absorber when constant, the control supercharging device is so that reduce the refrigeration that the evaporating pressure in the evaporimeter is regulated evaporimeter.
5. absorption vaporising device according to claim 1, the two is placed on wherein said evaporimeter and absorber in the same container, forms single cylinder type.
6. evaporation according to claim 5, absorption plant, wherein said gas pressurized device are arranged in absorber and the evaporator tube, between described evaporimeter and absorber.
7. evaporation according to claim 1, absorption plant, wherein said evaporimeter and absorber are independently placed separately, form bitubular type.
8. evaporation according to claim 7, absorption plant, wherein said gas pressurized device is arranged on the outside of described evaporimeter and absorber.
9. evaporation according to claim 1, absorption plant, wherein said pressure reduction control device are pressure reduction intelligent automatic control devices.
10. according to claim 6 or 8 described evaporations, absorption plant, wherein supercharging device is a sharf streaming blower fan.
11. according to claim 6 or 8 described evaporations, absorption plant, wherein supercharging device is the injection type booster.
12. evaporation according to claim 10, absorption plant wherein, are regulated pressure reduction by the rotating speed that changes sharf streaming blower fan.
13. evaporation according to claim 11, absorption plant wherein, are regulated pressure reduction by the circulation that changes the injection type booster.
14. an absorption system, this system is connected high pressure generator, low pressure generator, condenser, evaporimeter, absorber, low temperature heat exchanger, high-temperature heat exchanger, refrigerant pump, absorber by pipeline and forms with gas pressurized device.It is characterized in that being connected with a gas pressurized device between the evaporimeter and absorber in the described refrigeration system, a pressure sensor device is arranged respectively in evaporimeter and the absorber, a pressure reduction control device is connected with gas pressurized device with pressure sensor respectively, thereby this pressure reduction control device is regulated pressure differential between evaporimeter and the absorber according to the detected force value control of pressure sensor device gas pressurized device.
15. absorption system according to claim 14, wherein said evaporimeter and absorber are bitubular types, they are two cylindrical shells that separate, and described gas pressurized device is arranged on the outside of evaporimeter and absorber cylindrical shell.
16. absorption system according to claim 14, wherein said evaporimeter and absorber are single cylinder types, and they are accommodated in the cylindrical shell, and described gas pressurized device is arranged on this inner barrel, between evaporimeter and absorber.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101234554A CN1255657C (en) | 2003-12-29 | 2003-12-29 | Evapouration and absorptive device and absorptive refrigeration system using said device |
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| CNB2003101234554A CN1255657C (en) | 2003-12-29 | 2003-12-29 | Evapouration and absorptive device and absorptive refrigeration system using said device |
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| CN1255657C true CN1255657C (en) | 2006-05-10 |
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| CN104197575B (en) * | 2014-07-30 | 2017-01-11 | 中国电子科技集团公司第三十八研究所 | Efficient HGAX absorption refrigeration device |
| CN110030769B (en) * | 2019-05-15 | 2021-10-22 | 北京建筑大学 | Medium-low temperature heat energy heating system based on heating type absorption-compression heat exchange |
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