| Analysis on cooling load on hot mine |
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| 作者姓名： | JI Jianhu LIAO Qiang HU Qianting and CHEN Zihu |
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| 作者单位： | College of Power Engineering, Chongqing University, Chongqing 400044, China； Chongqing Branch, China Coal Research Institute, Chongqing 400037, China;College of Power Engineering, Chongqing University, Chongqing 400044, China;Chongqing Branch, China Coal Research Institute, Chongqing 400037, China;Chongqing Branch, China Coal Research Institute, Chongqing 400037, China |
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| 摘 要： | Air stream of hot mines is taken as research object, and energy balance equation is established. Cooling load expressions under five different conditions are derived through strict theoretical derivation, i.e. unsteady multi-stream, steady flow, steady flow ignoring kinetic energy change, steady flow ignoring potential energy change and steady flow ignoring fan power change. Then the enthalpy variable expression of the subsurface moist air and heat calculating process of surrounding rock are deduced. Finally, Yong Chuan coal mine illustrates and summarizes the process of calculation cooling load quantitatively. It is conducive to scientificly manage hot mine and design mine ventilation.
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| 关 键 词： | hot mine cooling load mine cooling |
Analysis on cooling load on hot mine |
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| JI Jianhu,LIAO Qiang,HU Qianting and CHEN Zihu.Analysis on cooling load on hot mine[J].Storage & Process,2013(4):125-131. |
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| Authors: | JI Jianhu LIAO Qiang HU Qianting and CHEN Zihu |
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| Abstract: | Air stream of hot mines is taken as research object, and energy balance equation is established. Cooling load expressions under five different conditions are derived through strict theoretical derivation, i.e. unsteady multi-stream, steady flow, steady flow ignoring kinetic energy change, steady flow ignoring potential energy change and steady flow ignoring fan power change. Then the enthalpy variable expression of the subsurface moist air and heat calculating process of surrounding rock are deduced. Finally, Yong Chuan coal mine illustrates and summarizes the process of calculation cooling load quantitatively. It is conducive to scientificly manage hot mine and design mine ventilation. |
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| Keywords: | hot mine cooling load mine cooling |
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