Lithium bromide absorptive refrigeration coupled transcritical carbon dioxide cycle afterheat power generation system

An absorption refrigeration and carbon dioxide technology, applied in the direction of refrigeration and liquefaction, refrigerators, adsorption machines, etc., to achieve the effects of reducing industrial energy consumption, reducing emissions, improving recovery efficiency and power generation efficiency

Inactive Publication Date: 2019-12-10
CENT SOUTH UNIV
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Problems solved by technology

[0006] The invention provides a transcritical carbon dioxide cycle waste heat power generation system coupled with lithium bromide absorption refrigeration, the purpose of which is to solve the problem that waste heat utilization is limited by temperature, environment and process, and improve waste heat recovery efficiency and power generation efficiency

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  • Lithium bromide absorptive refrigeration coupled transcritical carbon dioxide cycle afterheat power generation system
  • Lithium bromide absorptive refrigeration coupled transcritical carbon dioxide cycle afterheat power generation system
  • Lithium bromide absorptive refrigeration coupled transcritical carbon dioxide cycle afterheat power generation system

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Embodiment Construction

[0022] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0023] Aiming at the problems that the existing waste heat utilization is limited by temperature, environment and process, and the waste heat utilization efficiency and power generation efficiency are not high, the present invention provides a transcritical carbon dioxide cycle waste heat power generation system coupled with lithium bromide absorption refrigeration.

[0024] Such as figure 1 with figure 2 with image 3 As shown, the embodiments of the present invention provide a transcritical carbon dioxide cycle waste heat power generation system coupled with lithium bromide absorption refrigeration, including:

[0025] Power generation circulation system, the power generation cycle is composed of a first circulation pump 1, an evaporator 2, a turbin...

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Abstract

The invention provides a lithium bromide absorptive refrigeration coupled transcritical carbon dioxide cycle afterheat power generation system. The system comprises a power generation circulating system, a refrigerating system and a water absorption circulating system; the power generation circulating system consists of a first circulating pump, an evaporator, a turbine and a condensation evaporator; the evaporator is provided with a first inlet, a first outlet, a second inlet and a second outlet; the condensation evaporator is provided with a third inlet, a third outlet, a fourth inlet and afourth outlet; and the turbine is provided with a steam inlet and a steam exhaust outlet. The refrigerating system and the water absorption circulating system are coupled with the power generation circulating system through the condensation evaporator to complement advantages each other; and through gradient utilization of afterheat, the industrial energy consumption is prominently reduced, the greenhouse gas emission is reduced, and the low-temperature afterheat recovery efficiency and the power generation efficiency are greatly improved.

Description

technical field [0001] The invention relates to power engineering and engineering thermophysics technology, in particular to a transcritical carbon dioxide cycle waste heat power generation system coupled with lithium bromide absorption refrigeration. Background technique [0002] Waste heat is waste energy that is not utilized in energy utilization equipment under certain economic and technical conditions. According to statistics, the total waste heat resources of various industries account for about 17% to 67% of the total heat energy consumption, and 60% of waste heat can be recycled theoretically. The forms of waste heat resources vary greatly, and the ways of recovering waste heat are also various. According to the temperature level, waste heat includes three types: low-temperature waste heat (less than 300°C), medium-temperature waste heat (300-600°C) and high-temperature waste heat (above 600°C). The utilization of medium and low temperature waste heat is one of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K25/10F01K27/02F25B15/06
CPCF01K25/103F01K27/02F25B15/06Y02A30/27Y02B30/62
Inventor 杨声袁名旋刘志强
Owner CENT SOUTH UNIV
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