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Lithium bromide refrigerating machine capable of recycling heat energy by utilizing heat pump

A technology for recovering heat energy and lithium bromide, which is applied in the direction of refrigerators, heat pumps, refrigeration components, etc., can solve the problems of not being fully utilized, and achieve the effects of comprehensive development and utilization, increasing evaporation temperature, and improving refrigeration efficiency

Inactive Publication Date: 2010-09-15
上海青浦工业园区热电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a new lithium bromide refrigerator, which is not only beneficial to energy saving, but also can improve the refrigeration efficiency

Method used

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  • Lithium bromide refrigerating machine capable of recycling heat energy by utilizing heat pump
  • Lithium bromide refrigerating machine capable of recycling heat energy by utilizing heat pump

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Embodiment Construction

[0021] Such as figure 1 As shown, a lithium bromide refrigerator using a heat pump to recover heat energy includes a high-pressure generator 2, a low-pressure generator 3, an evaporator 9, an absorber 5, a condenser 4, a high-temperature heat exchanger 6, a low-temperature heat exchanger 7, and a solution Pump 1, refrigerant pump (not shown in the figure), control system and pipelines and valves connecting various components, wherein the refrigerant vapor outlet of high-pressure generator 2 is connected with the refrigerant vapor inlet of low-pressure generator 3, and the high-pressure The intermediate concentrated solution outlet of the generator 2 is connected to the intermediate concentrated solution inlet of the high-temperature heat exchanger 6, and the refrigerant water outlet of the condenser 4 is connected to the refrigerant water inlet of the evaporator 9 through a U-shaped tube (not shown in the figure) , the low-pressure generator 3 and the condenser 9 are arranged ...

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Abstract

The invention discloses a lithium bromide bromide refrigerating machine capable of recycling heat energy by utilizing a heat pump, which comprises a high pressure generator, a low pressure generator, an evaporator, an absorber, a condenser, a high temperature heat exchanger, a low temperature heat exchanger, a solution pump, a cryogenic fluid pump, a control system, and pipelines and valves for connecting the components. The invention is characterized in that the absorber and the condenser are designed into a heat pump evaporator; the evaporating pipes of the heat pump evaporator replaces the cooling pipes in the absorber and / or condenser; and the cooling pipes in the absorber and / or condenser are respectively connected in series with a compressor, a heat pump condenser and an expansion valve to form a heat pump set, so that the heat released from the absorber and the condenser in the lithium bromide refrigerating machine can be converted into high-grade heat by the heat pump set to be recycled. The invention has the advantage of high production efficiency and enhances the operation stability and adaptability of the refrigerating machine.

Description

technical field [0001] The invention relates to a lithium bromide absorption refrigerator. The cooling pipe in the absorber and / or the condensing pipe in the condenser, a compressor, a heat pump condenser and an expansion valve constitute a heat pump, and the low-temperature heat generated by the lithium bromide refrigerator is transferred through the heat pump. use. Background technique [0002] On the one hand, lithium bromide absorption refrigerators are widely used in the refrigeration industry. During the refrigeration process, lithium bromide absorption refrigerators generate a large amount of low-temperature waste heat. These low-temperature waste heat are not well utilized, resulting in serious waste of energy. [0003] On the other hand, water source heat pump units are mainly used in places where wastewater sources (such as industrial wastewater, production circulating water, bathing wastewater, and urban wastewater) are sufficient, the water temperature is relativ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B25/02F25B30/06
Inventor 朱家贤卢玫杨茉闵志英薛春强韩晓利
Owner 上海青浦工业园区热电有限公司
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