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Two-stage adsorption type refrigeration circulating system driven by low temperature heat source

A technology of low temperature heat source and circulation system, which is applied in the field of two-stage adsorption refrigeration cycle system and adsorption refrigeration cycle system, and can solve problems such as difficulty in refrigeration.

Inactive Publication Date: 2008-11-12
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, under the working conditions driven by low-temperature heat source (driving temperature lower than 90°C), in domestic and foreign research, the refrigeration temperature of adsorption refrigeration equipment is around -5°C to 0°C, and it is difficult to achieve lower temperature refrigeration

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  • Two-stage adsorption type refrigeration circulating system driven by low temperature heat source

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Embodiment Construction

[0010] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation modes and specific operating procedures are given, but the scope of protection of the present invention is not limited to the following Mentioned examples.

[0011] Such as figure 1 As shown, this embodiment includes: a cooling water inlet 1, a condenser 2, a condenser heat exchanger 3, a first refrigerant valve 4, a first cooling connection pipe 5, a second refrigerant valve 6, a second heat medium valve 7, and a second refrigerant valve. A heat medium valve 8, a second heat medium connection pipe 9, a heat medium inlet 10, a first heat medium connection pipe 11, a first adsorption bed heat exchanger outlet 12, a first adsorption bed heat exchanger 13, a first adsorption bed 14, The first ammonia connector 15, the first ammonia val...

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Abstract

The invention discloses a two-grade adsorption type frozen circulatory system driven by low-temperature heat source, which pertains to the adsorption refrigeration field. A first adsorption bed and a second adsorption bed are communicated through a first ammonia connecting pipe and a first ammonia valve; the first adsorption bed is communicated with a condenser through a fourth ammonia connecting pipe and a third ammonia valve ; the second adsorption bed is communicated with an evaporator through a third ammonia connecting pipe and a second ammonia valve. A cold water inlet is respectively connected with the heat exchangers of the first adsorption bed and the second adsorption bed through the heat exchanger of the condenser, a first cooling connecting pipe and a second cooling connecting pipe; a heat medium inlet is respectively connected with the heat exchangers of the first adsorption bed and the second adsorption bed through a first heat-medium connecting pipe and a second heat-medium connecting pipe. The frozen circulatory system of the invention is able to realize the cold output at the temperature of 10 DEG C below zero under the condition of 70 DEG C to 80 DEG C low-temperature heat source.

Description

Technical field [0001] The invention relates to an adsorption refrigeration cycle system, in particular to a two-stage adsorption refrigeration cycle system driven by a low-temperature heat source. It belongs to the field of adsorption refrigeration. Background technique [0002] At present, in air-conditioning applications, adsorption and absorption refrigeration have been commercialized. Representative products are lithium bromide-water absorption refrigeration units and silica gel-water absorption refrigeration units. However, for refrigeration conditions, especially for waste heat with a driving temperature below 100°C, and conditions that achieve refrigeration and freezing effects with a refrigeration temperature below 0°C, the only available technology at present is adsorption refrigeration technology. However, under the operating conditions driven by low-temperature heat sources (driving temperature lower than 90°C), in domestic and foreign studies, the refrigeration tempe...

Claims

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Application Information

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IPC IPC(8): F25B17/08
CPCY02B30/64Y02A30/27Y02B30/00
Inventor 王丽伟王如竹徐律吴静怡
Owner SHANGHAI JIAO TONG UNIV
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