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Double-temperature double-effect lithium bromide absorption refrigerating unit

An absorption refrigeration, lithium bromide technology, used in refrigerators, adsorption machines, refrigeration and liquefaction

Inactive Publication Date: 2011-08-17
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The double-effect cycle has a higher utilization efficiency for high-temperature heat sources (usually above 150°C), which reduces the irreversible heat transfer loss of the single-effect cycle, but usually only provides a cold source of one temperature

Method used

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  • Double-temperature double-effect lithium bromide absorption refrigerating unit
  • Double-temperature double-effect lithium bromide absorption refrigerating unit
  • Double-temperature double-effect lithium bromide absorption refrigerating unit

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Embodiment Construction

[0027] figure 2 A double-temperature double-effect lithium bromide absorption refrigeration unit is given, which is composed of a high-pressure generator circulation system and a low-pressure generator circulation system. Both the high-pressure generator circulation system and the low-pressure generator circulation system use lithium bromide solution as The system is coupled with the low pressure generator circulation system through the low pressure generator 2. details as follows:

[0028] The high-pressure generator circulation system includes a high-pressure generator 1, a low-pressure generator 2, a condenser 3, a high-temperature throttling element 4, a low-temperature throttling element 9, a low-temperature evaporator 10, a low-pressure absorber 11, a high-pressure generator solution pump 12 and a high-temperature A heat exchanger 13; a refrigerant circulation pipe 20 is provided in the low pressure generator 2.

[0029] The refrigerant vapor outlet of the high-pressu...

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Abstract

The invention discloses a double-temperature double-effect lithium bromide absorption refrigerating unit, which comprises a high-pressure generator circulating system and a low-pressure generator circulating system, wherein a lithium bromide solution is used as a working medium for the two circulating systems; the high-pressure generator circulating system is coupled with the low-pressure generator circulating system through a low-pressure generator (2), and comprises a high-pressure generator (1), a low-pressure generator (2), a condenser (3), a high-temperature throttling element (4), a low-temperature throttling element (9), a low-temperature evaporator (10), a low-pressure absorber (11), a low-pressure absorber solution pump (12) and a high-temperature heat exchanger (13); a refrigerant flow pipeline (20) is arranged in the low-pressure generator (2); and the low-pressure generator circulating system comprises the low-pressure generator (2), a condenser (3), a high-temperature throttling element (4), a high-temperature evaporator (5), a high-pressure absorber (6), a high-pressure absorber solution pump (7) and a low-temperature heat exchanger (8).

Description

technical field [0001] The invention relates to a double-temperature double-effect lithium bromide absorption refrigeration unit, which belongs to the technical field of refrigeration and air-conditioning equipment. Background technique [0002] The basic process principle of the double-effect lithium bromide absorption refrigeration unit currently used is as follows: figure 1 As shown, it is mainly composed of high-pressure generator 1, low-pressure generator 2, condenser 3, throttling element 40, evaporator 50, absorber 60, low-temperature heat exchanger 8, high-temperature heat exchanger 12 and absorber solution pump 70 . Its characteristic is that the refrigerant vapor evaporated from the high-pressure generator 1 is used as the heat source of the low-pressure generator 2, and the condensate generated by the high-pressure generator 1 enters the condenser 3 and mixes with the condensate from the low-pressure generator 2, and passes through the throttling element The thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B15/06
CPCY02B30/62Y02A30/27
Inventor 王厉骆菁菁
Owner ZHEJIANG SCI-TECH UNIV
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