CN1480696A - Absorption refrigeration device with biabsorption - Google Patents
Absorption refrigeration device with biabsorption Download PDFInfo
- Publication number
- CN1480696A CN1480696A CNA031397689A CN03139768A CN1480696A CN 1480696 A CN1480696 A CN 1480696A CN A031397689 A CNA031397689 A CN A031397689A CN 03139768 A CN03139768 A CN 03139768A CN 1480696 A CN1480696 A CN 1480696A
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- China
- Prior art keywords
- output
- absorber
- input
- ammonia
- solution
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
A dual-absorption refrigerator system features that it has two airculating loops respectively for high-concentration refrigerant solution and low-concentration one, so lowering the pressure in whole refrigerator system and in turn resulting in low requirement to solution pump and high reliability and safety.
Description
Technical field
The present invention relates to the absorption type refrigerating unit in sorption type refrigerating technology field, particularly a kind of biabsorption.
Background technology
Absorption system is a kind of technology of utilizing thermal refrigerating, can various waste heats be power, and its refrigeration working medium belongs to typical environmental protection working medium, thereby this The Application of Technology is significant to the exploitation that improves environmental protection and using energy source.It is right that Absorption Cooling System is formed working medium by cold-producing medium and absorbent.Existing a kind of absorption system is that cold-producing medium, water are absorbent with ammonia, is made up of generator, condenser, choke valve, evaporimeter and solution pump etc.When ammonia spirit was heated in generator, ammonia was separated from solution, and was condensed into liquefied ammonia in condenser; Simultaneously, because the evaporation of ammonia, ammonia spirit is thinning.Liquefied ammonia produces refrigeration through evaporating behind the choke valve in evaporimeter, the ammonia steam that evaporation forms is absorbed by rare ammonia spirit, weak solution becomes concentrated solution after absorbing ammonia, and dense ammonia spirit is delivered to generator by solution pump again and heated, and forms the circulation of whole system thus.But there is such shortcoming in the absorption system in this single cycle loop: because the condensing pressure of cold-producing medium is higher, shortened the service life of solution pump, certainly will strengthen the cost of operating cost or raising pump, thereby influence the feasibility of this Refrigeration Technique extensive use.
Summary of the invention
The technical problem to be solved in the present invention is: the pressure of absorption system high-pressure section is reduced, thereby reduce the instructions for use to solution pump, improve the reliability of system and the security of operation.
Technical solution proposed by the invention is such: a kind of biabsorption absorption type refrigerating unit, comprise generator, choke valve, evaporimeter and solution pump, this refrigerating plant is provided with high concentration refrigerant solution closed circuit and low concentration refrigerant solution closed circuit.Generator 1 output is connected with first separation chamber, 2 inputs, its output is connected with first absorber, 3 inputs, first absorber, 3 outputs are communicated with first regenerator, 4 inputs, its output is connected with evaporimeter 6 inputs through first throttle valve 5, these evaporimeter 6 outputs are connected with second absorber, 9 inputs, also be connected with second separation chamber, 8 inputs, second separation chamber, 8 outputs be connected to first regenerator, 4 inputs after first solution pump 7 is connected, its output is communicated with first absorber 3, constitutes high concentration refrigerant solution closed circuit.First separation chamber, 2 outputs are connected with second regenerator, 12 inputs, its output be connected to second absorber 9 after second choke valve 11 is connected, these second absorber, 9 outputs and second solution pump 10 are connected to second regenerator, 12 inputs, its output is connected with generator 1 input, constitutes the closed circuit of low concentration refrigerant solution.
Compared with prior art, the present invention has following beneficial effect:
Because this device does not need refrigerant vapour condensation under high pressure, therefore the present invention can make the pressure of whole system reduce more than 50%, prolonged the service life of solution pump, reduced requirement, thereby reduced the weight and the cost of system system pipeline and container material; The reduction of pressure has also reduced the chance of system leak, has improved the reliability of system and the security of operation.
The absorption system of this biabsorption is applicable to that all belong to absorption refrigeration system.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
The specific embodiment
By following embodiment the present invention is further elaborated.
Referring to shown in Figure 1, one embodiment of the invention biabsorption ammonia absorption refrigeration systems is made up of generator 1, first separation chamber 2, second separation chamber 8, first absorber 3, second absorber 9, first regenerator 4, second regenerator 12, first throttle valve 5, second choke valve 11, evaporimeter 6, first solution pump 7, second solution pump 10, and they have constituted high strength ammonia water circulation system and low concentration ammonia water circulation system.
Present embodiment biabsorption ammonia absorption refrigeration systems is that cold-producing medium, water are absorbent with ammonia, its concrete course of work is as follows: ammonia spirit is heated in generator 1, ammoniacal liquor absorbs the ammonia that produces behind the heat and enter first absorber 3 after first separation chamber 2 purifies, absorbed by the corresponding ammonia solution with absorbability under lower pressure, the absorption heat that is produced is taken away by cooling water (water-cooled) or air (air-cooled).Lowered the temperature at first regenerator 4 from the concentrated ammonia liquor that first absorber 3 comes out, enter evaporimeter 6 through first throttle valve 5 again, under corresponding evaporating pressure, be in the concentrated ammonia liquor of hypersaturated state, the evaporation of part ammonia enters second absorber 9 and is absorbed, and produces refrigeration thus.The low temperature dilute ammonia solution that comes out from evaporimeter 6 separates with ammonia in second separation chamber 8, the dilute ammonia solution of low temperature is sent into first regenerator 4 by first solution pump 7 and is carried out heat exchange with concentrated ammonia liquor, and then enter 3 absorptions of first absorber from the ammonia that generator 1 comes out, form the circulation of high concentration ammoniacal liquor thus; The dilute ammonia solution that comes out from first separation chamber 2 is lowered the temperature through second regenerator 12, and then enters second absorber 9 through second choke valve 11, absorbs the ammonia of flash-pot 6.Equally, the absorption heat that is produced is taken away by cooling water (water-cooled) or air (air-cooled).The concentrated ammonia solution that comes out from second absorber 9 is sent into second regenerator 12 by second solution pump 10 and is heated up, and then enters generator 1 and be heated, and forms the circulation of low concentration ammoniacal liquor thus.
Adopt this biabsorption ammonia absorption refrigeration systems, realized reducing the pressure of whole system.Under the air conditioning condition of 115 ℃ of heating-up temperatures, 50 ℃ of temperature of absorption, 2 ℃ of evaporating temperatures, about the maximum pressure 0.9Mpa (gauge pressure) of system, and corresponding general ammonia absorption refrigeration systems is under corresponding operating mode, and system's maximum pressure reaches 1.93Mpa (gauge pressure).
Claims (3)
1, a kind of biabsorption absorption type refrigerating unit comprises generator, choke valve, evaporimeter and solution pump, it is characterized in that: this refrigerating plant is provided with high concentration refrigerant solution closed circuit and low concentration refrigerant solution closed circuit.
2, biabsorption absorption type refrigerating unit according to claim 1, it is characterized in that: generator (1) output is connected with first separation chamber (2) input, its output is connected with first absorber (3) input, first absorber (3) output is communicated with first regenerator (4) input, its output is connected with evaporimeter (6) input through first throttle valve (5), this evaporimeter (6) output is connected with second absorber (9) input, also be connected with second separation chamber (8) input, second separation chamber (8) output be connected to first regenerator (4) input after first solution pump (7) is connected, its output is communicated with first absorber (3), constitutes high concentration refrigerant solution closed circuit.
3, biabsorption absorption type refrigerating unit according to claim 1, it is characterized in that: first separation chamber (2) output is connected with second regenerator (12) input, its output be connected to second absorber (9) after second choke valve (11) is connected, this second absorber (9) output and second solution pump (10) are connected to second regenerator (12) input, its output is connected with generator (1) input, constitutes the closed circuit of low concentration refrigerant solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031397689A CN1220014C (en) | 2003-07-07 | 2003-07-07 | Absorption refrigeration device with biabsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031397689A CN1220014C (en) | 2003-07-07 | 2003-07-07 | Absorption refrigeration device with biabsorption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1480696A true CN1480696A (en) | 2004-03-10 |
| CN1220014C CN1220014C (en) | 2005-09-21 |
Family
ID=34155088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031397689A Expired - Fee Related CN1220014C (en) | 2003-07-07 | 2003-07-07 | Absorption refrigeration device with biabsorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1220014C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050571A (en) * | 2017-11-29 | 2018-05-18 | 上海交通大学 | Single-stage balanced type ammonia-water reabsorbs formula heat pump cycle equipment and heat supply method |
| CN108072192A (en) * | 2017-11-29 | 2018-05-25 | 上海交通大学 | Three-level isothermal equilibrium formula ammonia-water reabsorbs formula heat pump cycle and heat supply method |
| CN108088111A (en) * | 2017-11-29 | 2018-05-29 | 上海交通大学 | Two-stage isothermal ammonia-water reabsorbs formula heat pump cycle and heat supply method |
-
2003
- 2003-07-07 CN CNB031397689A patent/CN1220014C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050571A (en) * | 2017-11-29 | 2018-05-18 | 上海交通大学 | Single-stage balanced type ammonia-water reabsorbs formula heat pump cycle equipment and heat supply method |
| CN108072192A (en) * | 2017-11-29 | 2018-05-25 | 上海交通大学 | Three-level isothermal equilibrium formula ammonia-water reabsorbs formula heat pump cycle and heat supply method |
| CN108088111A (en) * | 2017-11-29 | 2018-05-29 | 上海交通大学 | Two-stage isothermal ammonia-water reabsorbs formula heat pump cycle and heat supply method |
| CN108088111B (en) * | 2017-11-29 | 2019-12-06 | 上海交通大学 | two-stage isothermal ammonia-water reabsorption heat pump circulation and heat supply method |
| CN108072192B (en) * | 2017-11-29 | 2020-02-07 | 上海交通大学 | Three-stage isothermal balance type ammonia-water re-absorption heat pump circulation and heat supply method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1220014C (en) | 2005-09-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CONVERGE CONTROL HEAT REFRIGERATION TECHNOLOGY CO. Free format text: FORMER OWNER: GREAT SOUTHEAST ELECTRICAL APPLIANCE CO., LTD., FOSHAN Effective date: 20101209 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528000 NO.29, JIANGWAN ROAD 1, FOSHAN CITY, GUANGDONG PROVINCE TO: 528000 ROOM 1703, TOWER A, NO.68, TONGJI ROAD, CHANCHENG DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101209 Address after: 528000, room 1703, block A, Tongji Road, Chancheng District, Guangdong, Foshan, 68 Patentee after: Foshan Huikong Heat Energy RefrigerationTechnology Co., Ltd. Address before: 528000 No. 29, No. 1, Jiangwan, Guangdong, Foshan Patentee before: Great Southeast Electrical Appliance Co., Ltd., Foshan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050921 Termination date: 20180707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |