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Two-stage condensation type industrial waste heat recovery system

An industrial waste heat recovery system technology, applied in the field of industrial waste heat recovery, can solve the problems of high cost of clean energy, consumption of electric energy and water resources, energy waste, etc., and achieve the effect of good waste heat utilization and fast absorption and release speed

Inactive Publication Date: 2018-12-28
大连元始机电科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The country vigorously advocates waste heat recovery and clean energy heating, but most clean energy costs are relatively high, such as high-grade energy such as natural gas and electricity. Using such high-grade energy for heating is a great waste of energy, while industrial waste heat is The most valuable clean energy, because the heat temperature required for heating is not high, most of the industrial waste heat can meet
The usual industrial waste heat recovery technology only recovers high-temperature waste heat, and low-temperature waste heat still needs to be cooled before it can be used. Cooling waste heat also consumes part of electricity and water resources.

Method used

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  • Two-stage condensation type industrial waste heat recovery system

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Embodiment Construction

[0010] A secondary condensation industrial waste heat recovery system, industrial waste heat 1, evaporator 2, working medium pump 3, absorption heat pump 4, working medium generator 5, heat user 6, electric drive heat pump 7; the industrial waste heat 1 will The waste heat is sent to the evaporator 2 and the absorption heat pump 4 respectively. The waste heat heats the CO2 working medium for the evaporator 2, and the CO2 working medium is sent to the working medium generator 5. The CO2 after work is in gaseous state and still has a certain temperature, and is sent to the absorption The heat pump 4 is used as a low-temperature heat source, and the other part of the waste heat from the industrial waste heat 1 is sent to the absorption heat pump 4 as a driving heat source. The combination of heat sources obtained by the heat pump is used to deliver heat to the heat user 6 for heating. The heat source is driven twice to work and then transported back to the industrial waste heat. T...

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Abstract

The invention discloses a two-stage condensation type industrial waste heat recovery system. The two-stage condensation type industrial waste heat recovery system is characterized in that low-temperature waste heat for circulating electricity generation is coupled with an absorption heat pump and an electrically-driven heat pump; the industrial waste heat serves as a power source for electricity generation, a working medium after electricity generation enters a condenser, then the industrial waste heat is used for driving the absorption heat pump to cool the working medium so as to obtain high-temperature heat for supplying head, and electricity is obtained for production.

Description

technical field [0001] The invention belongs to the field of industrial waste heat recovery, and relates to a secondary condensation industrial waste heat recovery system. Background technique [0002] The country vigorously advocates waste heat recovery and clean energy heating, but most clean energy costs are relatively high, such as high-grade energy such as natural gas and electricity. Using such high-grade energy for heating is a great waste of energy, while industrial waste heat is The most valuable clean energy, because the heat temperature required for heating is not high, most of the industrial waste heat can be satisfied. The usual industrial waste heat recovery technology only recovers high-temperature waste heat, and the low-temperature waste heat still needs to be cooled before it can be used. Cooling waste heat also consumes part of electricity and water resources. Contents of the invention [0003] The problem solved by the present invention is: use low-tem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F01K25/10F25B30/04
CPCF01K27/00F01K25/103F25B30/04
Inventor 王阳
Owner 大连元始机电科技有限公司