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Work and coldness co-production system and method of recovering working medium effective ingredient refrigeration

A technology of co-production of power and cooling, active ingredients, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of heat recovery and utilization, no recycling of active ingredients, achieve good temperature matching, reduce irreversible losses, reduce The effect of consumption

Active Publication Date: 2014-12-03
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0012] In order to overcome the shortcomings of the existing power-cooling cogeneration system driven by medium and low-temperature heat sources, the present invention proposes a power-cooling cogeneration system and method that recovers the active components of the working medium for refrigeration. Organic integration to solve the problems of recycling the internal heat of the cycle and not recycling the effective components in the exhaust gas of the power sub-cycle

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  • Work and coldness co-production system and method of recovering working medium effective ingredient refrigeration
  • Work and coldness co-production system and method of recovering working medium effective ingredient refrigeration

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0027] The present invention provides a system and method for recovering active components of working medium for refrigeration. By organically integrating the working sub-cycle and the absorption refrigeration sub-cycle using the same mixed working medium, the heat of the external heat source is utilized in stages, so that the external The high-temperature part of the heat source is used to heat the working medium, and the low-temperature part is used to heat the absorption refrigeration medium. At the same time, the exhaust heat of the work sub-cycle is also recycled by the absorption refrigeration sub-cycle. The exhaust gas of the working sub-cycle expander undergoes gas-liquid separation after partial heat recovery, whi...

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Abstract

The invention discloses a work and coldness co-production system and a method of recovering working medium effective ingredient refrigeration and relates to the medium and low temperature heat source using technical field. The work and coldness co-production system and the method of recovering working medium effective ingredient refrigeration are driven by medium and low temperature heat source and used ammonia water mixture as a working medium, organically integrates ammonia water working subcycle with ammonia water absorption refrigeration subcycle, achieves co-production of work and coldness, and improves use efficiency of the medium and low temperature source. The work and coldness co-production system and the method of recovering working medium effective ingredient are mainly characterized in that: firstly, gradient use of heat is achieved according to a temperature counterpart principle, a high temperature part of an outer heat source is used for work subcycle, a low temperature part of the outer heat source is used for refrigeration, and working subcycle heat extraction is also used for refrigeration subcycle; secondly, recovering power subcycle can further be used due to ammonia working medium containing turbine exhaust of the recovering power subcycle.

Description

technical field [0001] The invention relates to the technical field of utilization of medium and low temperature heat sources, in particular to a power-cooling cogeneration system and method for refrigeration of recovered active components of the working medium using ammonia-water mixture as the working medium. Background technique [0002] Medium and low temperature heat sources have a wide range of sources and a large number. Today, when energy conservation and emission reduction are vigorously advocated, they have received extensive attention. Medium and low temperature heat sources mainly include two parts: the first is the waste heat discharged in industrial production, such as the exhaust and smoke exhaust of various smelting furnaces, heating furnaces, internal combustion engines and boilers in metallurgy, chemical industry, building materials, machinery, electric power and other industries. Since my country's industrial energy consumption accounts for about two-thirds...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K25/06F01K25/10F25B29/00F25B27/00F25B41/06F25B15/04F25B41/20F25B41/30
CPCY02B30/62Y02A30/27
Inventor 金红光韩巍孙流莉郑丹星
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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