Transactions of Materials and Heat Treatment

Title：Simulation research on temperature field for thermal storage tank in precision forging waste heat recovery system

Authors： Qi Yongheng Chen Hui Shi Zhaoxu Li Guojun Zhang Jiaqi Nie Guoqing

Unit： Shenyang Jianzhu University

KeyWords： waste heat recovery thermal storage tank temperature distribution gradient precision forging heat pump software Comsol

ClassificationCode：TK11

year,vol(issue):pagenumber：2022,47(2):186-191

Abstract：

In the forging process, the process cooling water transfers radiant heat received by induction coil of intermediate frequency induction furnace into thermal storage tank, and as an energy storage place , the thermal storage tank has always in a “black box” state that it is unclear about temperature distribution and flow state of water in the tank. Therefore, based on the real process parameters obtained on-site, the model and simulation of the temperature distribution and flow state of water in the thermal storage tank under different working conditions were conducted by software Comsol, and the temperature distribution and flow state of water in the tank during the period of 0∶00~8∶00 without residual heat were obtained, which laid a good foundation for realizing real-time control of the temperature of process cooling water in the tank. At the same time, aiming at the problem that the heat pump could not obtain hot water, the assumption of extending the water intake of the heat pump to the middle of the tank was proposed. The results show that the assumption is feasible, which solves the problem that the heat pump can not obtain hot water and improves the efficiency of the whole waste heat recovery system.

Funds：

国家自然科学基金资助项目（61973224）

作者简介：齐永恒（1993-），男，硕士，E-mail：1441482285@qq.com；通信作者：陈辉（1963-），男，博士，教授，E-mail：Chenhui@sjzu.edu.cn

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