Comparative evaluation of the energy and economic efficiency of vapor compression heat pumps in modernization of large chemical and oil refining industries. Part 2
https://doi.org/10.25206/2588-0373-2023-7-3-15-23
EDN: JHHVJT
Abstract
The question of the expediency of increasing the energy efficiency of a large chemical and oil refining industry by using process heat carriers and raw materials as heaters of vapor compression heat pumps based on systems for recuperating heat process losses is considered. A feature of the energy system under consideration is the provision of the main circuit of the heat pump and its drive from a common source of thermal energy. The influence of the temperature parameters of the consumer of high-potential thermal energy, the source of low-potential thermal energy and the energy efficiency of the main functional elements of the energy system under consideration on the ratio of the amount of generated thermal energy supplied to the consumer to the amount of thermal energy losses used is analyzed. In addition, an assessment is made of the influence of the listed factors on the redistribution of low-potential thermal energy flows between the main circuit of the heat pump and its drive. The presented results reflect the fundamental possibility of increasing the temperature level of process heat carriers and raw materials without significant costs for additional external energy sources. The efficiency of reuse of heat losses in a closed technological cycle depends on the temperature conditions of the consumer and the source of thermal energy in the heat pump cycle, on the connection scheme of the thermal energy source and on the energy efficiency of the equipment used.
About the Authors
V. L. Yusha
Omsk State Technical University
Russian Federation
Russian Federation
Yusha Vladimir Leonidovich, Doctor of Technical Sciences, Professor
AuthorID (SCOPUS): 6505861937
ResearcherID: J-8079-2013
Omsk, Mira Ave., 11, 644050
M. A. Sutyaginskiy
OJSC «Group of companies «Titan»
Russian Federation
Russian Federation
Sutyaginskiy Mikhail Alexandrovich, Chairman of the Board of Directors
Omsk, Gubkin Ave., 30, 644035
Yu. A. Potapov
OJSC «Group of companies «Titan»
Russian Federation
Russian Federation
Potapov Yuri Alekseevich, Candidate of Technical Sciences, Chief Specialist of Development and New Technologies Department of Group of Companies
Omsk, Gubkin Ave., 30, 644035
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For citations:
Yusha V.L., Sutyaginskiy M.A., Potapov Yu.A. Comparative evaluation of the energy and economic efficiency of vapor compression heat pumps in modernization of large chemical and oil refining industries. Part 2. Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering. 2023;7(3):15-23. (In Russ.) https://doi.org/10.25206/2588-0373-2023-7-3-15-23. EDN: JHHVJT
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