CN103115460B - A kind of absorption refrigeration equipment of self-pressure regulating feed flow - Google Patents
A kind of absorption refrigeration equipment of self-pressure regulating feed flow Download PDFInfo
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- CN103115460B CN103115460B CN201310020754.9A CN201310020754A CN103115460B CN 103115460 B CN103115460 B CN 103115460B CN 201310020754 A CN201310020754 A CN 201310020754A CN 103115460 B CN103115460 B CN 103115460B
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- pressure
- refrigeration
- adsorption desorption
- desorption device
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Abstract
The invention provides a kind of absorption refrigeration equipment of self-pressure regulating feed flow, belong to refrigeration technology field.It solve in prior art, system pressure is unstable, the technical problems such as refrigeration is unreliable.This refrigeration plant, comprise the ammonia adsorption desorption device, filter, condenser, expansion valve and the evaporimeter that connect successively with pipe, also pressure-regulating valve is installed between described condenser and expansion valve, also be provided with pressure sensor between described evaporimeter and ammonia adsorption desorption device, described pressure sensor is all connected with PLC with pressure-regulating valve.The advantages such as the present invention has automatic regulating system pressure, and refrigeration is stable, reliable.
Description
Technical field
The invention belongs to refrigeration technology field, relate to a kind of refrigeration plant, particularly a kind of absorption refrigeration equipment of self-pressure regulating feed flow.
Background technology
At present, the non-uniform temperature that ammonia adsorption desorption refrigeration plant heats due to ammonia adsorption desorption device or cools, so ammonia disengaging ammonia adsorption desorption device is inconsistent with the speed be adsorbed on ammonia adsorption desorption device, thus cause the instability of flow of ammonia in whole system, to such an extent as to system pressure is unstable, refrigeration is unreliable.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of absorption refrigeration equipment of self-pressure regulating feed flow.
Object of the present invention realizes by following technical proposal: a kind of absorption refrigeration equipment of self-pressure regulating feed flow, comprise the ammonia adsorption desorption device, filter, condenser, expansion valve and the evaporimeter that connect successively with pipe, it is characterized in that, also pressure-regulating valve is installed between described condenser and expansion valve, also be provided with pressure sensor between described evaporimeter and ammonia adsorption desorption device, described pressure sensor is all connected with PLC with pressure-regulating valve.
The advantages such as compared with prior art, this equipment has automatic regulating system pressure, and refrigeration is stable, reliable.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
In figure: 1, ammonia adsorption desorption device; 2, filter; 3, evaporimeter; 4, expansion valve; 5, condenser; 6, pressure sensor; 7, pressure-regulating valve; 8, PLC.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, a kind of absorption refrigeration equipment of self-pressure regulating feed flow, comprise the ammonia adsorption desorption device 1, filter 2, condenser 5, expansion valve 4 and the evaporimeter 3 that connect successively with pipe, it is characterized in that, between described condenser 5 and expansion valve 4, pressure-regulating valve 7 is also installed, also be provided with pressure sensor 6 between described evaporimeter 3 and ammonia adsorption desorption device 1, described pressure sensor 6 is all connected with PLC 8 with pressure-regulating valve 7.
The operation principle of this equipment is such: ammonia adsorption desorption device 1 heats, detach ammonia, ammonia passes through filter 2 successively, condenser 5, pressure-regulating valve 7, expansion valve 4, evaporimeter 3, pressure sensor 6, returns ammonia adsorption desorption device 1, and by cooling, ammonia is adsorbed in ammonia adsorption desorption device 1 again, so far complete a kind of refrigeration cycle.In above-mentioned kind of refrigeration cycle, when ammonia adsorption desorption device 1 detaches suddenly more ammonia, when causing system actual pressure to be greater than system nominal pressure, pressure sensor 6 sends signal, and the flow of liquefied ammonia in pipeline is regulated by PLC 8 controlled pressure control valve 7, to reduce the liquefied ammonia quantity flowing through expansion valve 4, thus make the pressure of system get back to rated pressure, and then ensure the steady and reliable of refrigeration; Filter 2 is mainly used in filtering the impurity of running out in ammonia adsorption desorption device 1, prevents blocking pipeline.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ 1 herein, ammonia adsorption desorption device; 2, filter; 3, evaporimeter; 4, expansion valve; 5, condenser; 6, pressure sensor; 7, pressure-regulating valve; 8, the term such as PLC, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (1)
1. the absorption refrigeration equipment of a self-pressure regulating feed flow, comprise the ammonia adsorption desorption device (1), filter (2), condenser (5), expansion valve (4) and the evaporimeter (3) that connect successively with pipe, it is characterized in that, between described condenser (5) and expansion valve (4), pressure-regulating valve (7) is also installed, also be provided with pressure sensor (6) between described evaporimeter (3) and ammonia adsorption desorption device (1), described pressure sensor (6) is all connected with PLC (8) with pressure-regulating valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020754.9A CN103115460B (en) | 2013-01-18 | 2013-01-18 | A kind of absorption refrigeration equipment of self-pressure regulating feed flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310020754.9A CN103115460B (en) | 2013-01-18 | 2013-01-18 | A kind of absorption refrigeration equipment of self-pressure regulating feed flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103115460A CN103115460A (en) | 2013-05-22 |
| CN103115460B true CN103115460B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310020754.9A Expired - Fee Related CN103115460B (en) | 2013-01-18 | 2013-01-18 | A kind of absorption refrigeration equipment of self-pressure regulating feed flow |
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| CN (1) | CN103115460B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438632B (en) * | 2013-08-02 | 2015-08-19 | 南通大学 | High efficiency adsorption type heat pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924214Y (en) * | 2006-04-20 | 2007-07-18 | 钱志海 | Suction expansion valve |
| CN101097102A (en) * | 2007-05-14 | 2008-01-02 | 南京航空航天大学 | Daytime continuous solar absorption refrigeration system |
| CN101338954A (en) * | 2008-08-07 | 2009-01-07 | 武汉云鹤定宇制冷科技有限公司 | Truck tail gas adsorption refrigeration air conditioner for operator cabin |
| CN201200853Y (en) * | 2008-06-05 | 2009-03-04 | 北京云辰天环保科技有限公司 | Device for control flow of stripping steam |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214552A (en) * | 2004-01-30 | 2005-08-11 | Kobe Steel Ltd | Adsorption type heat accumulator and heat accumulation method by using it |
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2013
- 2013-01-18 CN CN201310020754.9A patent/CN103115460B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924214Y (en) * | 2006-04-20 | 2007-07-18 | 钱志海 | Suction expansion valve |
| CN101097102A (en) * | 2007-05-14 | 2008-01-02 | 南京航空航天大学 | Daytime continuous solar absorption refrigeration system |
| CN201200853Y (en) * | 2008-06-05 | 2009-03-04 | 北京云辰天环保科技有限公司 | Device for control flow of stripping steam |
| CN101338954A (en) * | 2008-08-07 | 2009-01-07 | 武汉云鹤定宇制冷科技有限公司 | Truck tail gas adsorption refrigeration air conditioner for operator cabin |
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| CN103115460A (en) | 2013-05-22 |
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Owner name: ZHOUSHAN JINYING REFRIGERATION TECHNOLOGY CO., LTD Free format text: FORMER OWNER: ZHOUSHAN CITY INSTITUTE OF MACHINERY DESIGN Effective date: 20150720 |
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Effective date of registration: 20150720 Address after: 316100 Puxi Industrial Development Zone, No. 2119 Donghai West Road, Zhoushan, Zhejiang, Putuo District Applicant after: Gold sea, Zhoushan refrigeration Science and Technology Ltd. Address before: 316100 Zhejiang city of Zhoushan province Putuo District Pingyang Industrial Zone Haibolu Applicant before: Zhoushan City Institute of Machinery Design |
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Granted publication date: 20150826 Termination date: 20160118 |
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