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Absorption refrigerating machine

An absorption refrigerator, cold temperature technology, applied in adsorption machines, refrigerators, refrigeration components, etc., to prevent excessive temperature reduction, reduce combustion, and improve average COP

Inactive Publication Date: 2012-08-29
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention is made to solve the problems of the conventional absorption refrigerators as described above, and its object is to provide an absorption refrigerator capable of improving the average COP especially during low-load operation.

Method used

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  • Absorption refrigerating machine
  • Absorption refrigerating machine
  • Absorption refrigerating machine

Examples

Experimental program
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Effect test

Embodiment Construction

[0060] Hereinafter, embodiments of the present invention will be described based on the drawings. figure 1 It is a structural diagram showing the first embodiment of the absorption refrigerator of the present invention.

[0061] exist figure 1 Among them, reference numeral 1 is a high-temperature regenerator, and has a burner 2 as a heating source, and heats the diluted absorption liquid returned from the absorber 6 to vaporize and separate refrigerant vapor. The high-temperature refrigerant vapor evaporated and separated in the high-temperature regenerator 1 passes through the interior of the low-temperature regenerator 3 via the refrigerant pipe 7 , and is supplied to the bottom of the condenser 4 . In addition, the medium-concentration intermediate absorption liquid obtained by evaporating and separating the refrigerant vapor in the high-temperature regenerator 1 is supplied to the low-temperature regenerator 3 through the intermediate absorption liquid pipe 8 . A high-te...

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Abstract

The invention provides an absorption refrigerating machine that can seek improving average COP based on a low load less than 20%. The absorption refrigerating machine at least comprises the follow components: a high temperature regenerator (1), a low temperature regenerator (3), a condensator (4); and comprises an evaporator (5), an absorption device (6), a refrigerant pump (14) and an absorptionliquid pump (20, 22), through which lukewarm water supplied to a load bypassing a lukewarm water tube (17). When operating low load by refrigeration, set temperature of cold water to a principled temperature that higher than preset temperature when switching combustion of a burner (2) of the high temperature regenerator (1) closed; when operating low load by heating, , set temperature of warm water to a principled temperature that lower than preset temperature when switching combustion of a burner (2) of the high temperature regenerator (1) closed.

Description

technical field [0001] The present invention relates to an absorption refrigerator capable of improving the COP (coefficient of efficiency) especially during low-load operation. Background technique [0002] Generally, absorption refrigerators used in air-conditioning systems of buildings and freezing / refrigerating systems of large stores are widely known, and their representative products are double-effect absorption refrigerators (hereinafter sometimes referred to as absorption refrigerators). The absorption refrigerating machine generally has a high-temperature regenerator, a low-temperature regenerator, a condenser, an evaporator, and an absorber, and is connected by piping including a refrigerant pump, an absorption liquid pump, a low-temperature heat exchanger, and a high-temperature heat exchanger to form a cycle. path. Furthermore, as the absorbing liquid, for example, an aqueous solution of lithium bromide is used, and water is used as the refrigerant. [0003] Su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B15/00F25B49/04
CPCY02B30/62Y02A30/27
Inventor 石崎修司
Owner SANYO ELECTRIC CO LTD
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