Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method

A technology of absorption refrigeration and ammonia water, which is applied in refrigerators, adsorption machines, refrigeration and liquefaction, and can solve problems such as increased equipment investment and insecurity

Inactive Publication Date: 2007-10-24
SOUTHEAST UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

If the design pressure meets the heating conditions, it is necessary to increase the compressive strength of the h...

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  • Ammonia absorption type refrigeration and hot pump dual-purpose system and cool and heat supply method

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Embodiment Construction

[0014]As shown in Figure 1, the ammonia absorption refrigeration and heat pump dual-purpose system provided by the present invention includes a generator 1, a rectifier 2, a decondenser 3, a solution throttle valve 4, an absorber 5, and a first solution heat exchanger 6. The first solution pump 7, liquid storage tank 8, subcooler 10, ammonia throttle valve 11, the system also includes reabsorber 9, resolver 12, balance liquid pipe 15, second solution heat exchanger 13 and the second Two solution pumps 14, wherein, generator 1, rectifier 2 and decondenser 3 are connected in series, and the ammonia output end 3a of decondenser 3 links to each other with the ammonia input end 9c of reabsorber 9 through ammonia pipeline, The outlet nozzle 9b of the re-absorber 9 links to each other with the second solution heat exchanger ammonia liquid inlet 13a by the ammonia liquid pipeline, and the second solution heat exchanger ammonia liquid outlet 13b links to each other with the subcooler am...

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Abstract

Ammonia absorb-type refrigeration and heat pump dual-purpose system and the cool and heat-supply method are relates to the refrigeration and heat pump system which use ammonia as actuating medium and use low grade heat energy and the cool and heat-supply method using the system, the system includes generator, finestiller, segregator, solution throttle valve, absorber, the first solution heat exchanger, the first solution pump, fluid storing groove, subcooler and ammonia throttle valve, the system also includes re-suction device, resolver, balance fluid pipe, the second solution heat exchanger and the second solution pump, among them the generator, the finestiller and the segregator are series connected, the ammonia gas outlet end of the segregator is connected with the ammonia gas inlet end of re-suction device through the ammonia gas pipelines, so the system highest pressure parameters in system is same with refrigerating mode basically under the premise of ensuring heat-supply temreature, thereby it can realizes two functions of refrigeration and heat pump safely according different seasons on the same ammonia water absorb-type system.

Description

technical field [0001] The invention relates to an absorption refrigeration and heat pump dual-purpose system and a cooling and heating method using the system, in particular to a refrigeration and heat pump system using ammonia water as a working medium and utilizing low-grade heat energy, and a cooling and heating method using the system method. Background technique [0002] Ammonia water absorption refrigeration cycle is a reverse cycle driven by heat energy, which is characterized by directly using heat energy as power, and only needs to consume a small amount of auxiliary electric energy to realize the reverse cycle of refrigeration. The absorption refrigeration reverse cycle is basically the same as the first type (incremental) absorption heat pump reverse cycle process, but the purpose of use is different. The former focuses on obtaining cold, while the latter focuses on obtaining higher temperature heat. If we pay attention to the double function of this reverse cy...

Claims

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Application Information

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IPC IPC(8): F25B15/04
CPCY02B30/62Y02A30/27
Inventor 杜垲张小松李舒宏蔡亮
Owner SOUTHEAST UNIV
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