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Title:
METHOD FOR REDUCING AND UTILIZING HEAT TRANSFER TEMPERATURE DIFFERENCE IN HEAT ABSORPTION PROCESS
Document Type and Number:
WIPO Patent Application WO/2022/048094
Kind Code:
A1
Abstract:
A method for reducing and utilizing a heat transfer temperature difference in a heat absorption process, which belongs to the field of thermodynamic/heat pump technology. The method for reducing and utilizing a heat transfer temperature difference in a heat absorption process comprises: when a heat source releases heat at a constant temperature and the heat absorption of a heated medium at constant pressure is heat absorption at varying temperature, causing the heated medium to flow through a heat exchange pipe with a gradually changed section, and reducing the pressure while absorbing heat, wherein when an initial velocity of the heated medium is a subsonic velocity and the velocity of the heated medium at the end of the heat exchange process is not higher than the sonic velocity, causing the heated medium to enter a heat exchange pipe with a convergent section; when the initial velocity of the heated medium is a supersonic velocity and the velocity of the heated medium at the end of the heat exchange process is higher than the initial velocity, causing the heated medium to enter a heat exchange pipe with a divergent section; and when the initial velocity of the heated medium is a subsonic velocity and the velocity of the heated medium at the end of the heat exchange process is higher than the sonic velocity, causing the heated medium to enter a heat exchange pipe with a convergent-divergent section.

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Inventors:
LI HUAYU (CN)
LI HONGRUI (CN)
Application Number:
PCT/CN2021/000176
Publication Date:
March 10, 2022
Filing Date:
August 30, 2021
Export Citation:
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Assignee:
LI HUAYU (CN)
International Classes:
F28C3/00
Domestic Patent References:
WO2004033920A12004-04-22
Foreign References:
CN102466272A2012-05-23
CN103148649A2013-06-12
CN105366029A2016-03-02
EP0003996A11979-09-19
DE2413378A11975-10-02
CA2287149A12000-04-21
CN2811909Y2006-08-30
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