Affiliation:
1. School of Mechanical Engineering, North University of China, Taiyuan, China
Abstract
In order to solve the problems of high energy consumption and serious waste
of heat energy in the cooling of traditional oil cooler in hydraulic system,
the author proposed the reliability optimization design of intelligent
mechanical structure for waste heat recovery. The author has built a waste
heat recovery test platform for hydraulic system, the influence of
electrical load, oil flow rate and working medium flow rate on system
operation and energy characteristics is studied. The experimental results
show that: under the same working condition, compared with the oil cooler of
the same specification, the maximum thermal efficiency of the proposed
organic Rankine cycle waste heat recovery system is increased to 2.56%. The
expander pressure ratio and system thermal efficiency increase with the
increase of electric load and oil flow rate. With the increase of the flow
rate of the working medium, the superheat of the working medium at the inlet
of the expander decreases significantly, while the heat exchange of the
evaporator and the output power of the expander increase. Under the test
condition, the maximum heat exchange of evaporator is 4.18 kW, and the
maximum output power of expander is 356 W. The energy saving effect of waste
heat recovery system of hydraulic system is obtained, and the influence law
of operation parameters on system performance is obtained.
Publisher
National Library of Serbia
Subject
Renewable Energy, Sustainability and the Environment
Cited by
4 articles.
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