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Integrated utilization of low-grade thermal energy in hot coal mine 被引量:1

Integrated utilization of low-grade thermal energy in hot coal mine
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摘要 This paper explores the integrated utilization of low-grade thermal energy in hot coal mines, based on analysis of original heating, refrigerating, mine draining, bath draining and air exhaust systems, and in combination with the actual conditions of Tangkou Coal Mine in Shandong Province. It presents a set of comprehensive and integrated utilization schemes for the various different kinds of low quality heat energy. With heat pumps, the recycling of the low quality heat energy from the drainage, bathing water and the exhaust air can occur in winter, and in summer, there exists condensed heat of the refrigerating system. When in conjunction with solar collectors, the thermal utilization of solar power can be realized for the whole year. The system achieves mine drainage and bathing water purification and recycling, as well as purifying exhaust air by water spraying. It also satisfies the demands of a whole year's bathing heat for the coal mine, with refrigeration in summer, and heating for the ground house and shaft house in winter. It is able to integrate different kinds of low quality heat energy and low emission drainage and dust, and can replace the traditional boiler heating system. Finally, the system reduces conventional energy consumption and the amount of mine water drainage.
出处 《Journal of Coal Science & Engineering(China)》 2013年第1期26-32,共7页 煤炭学报(英文版)
关键词 low-grade thermal energy high temperature mine integrated utilization energy conservation 低品位热能 综合利用 煤矿 炎热 矿山排水 排气系统 制冷系统 太阳能集热器
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