Progress of heat-hazard treatment in deep mines

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Based on the urgency of thermal hazard control in deep coal mines,we studied the status of deep thermal damage and cooling technology both at home and abroad,summarized the causes of deep thermal hazard,analysed and compared the control technologies for deep thermal hazards.The results show that the causes of deep thermal damage can be attributed to three aspects,i.e.,climate,geological and mining factors,of which the geological factors are deemed the major reasons for thermal hazards.As well,we compared a number of cooling technologies of domestic and overseas provenance,such as central air conditioning cooling technology,ice cooling technology and water cooling technology,with one other cooling technology,i.e.,the HEMS cooling technology,which has a large and important effect with its unique“pure air”cooling technology,realizes the utilizing of heat resources from underground to the ground.This technology makes use of heat obtained underground;thus the technology can promote low-carbon environmental economic development in coal mines,in order to achieve low- carbon coal production in China. Based on the urgency of thermal hazard control in deep coal mines, we studied the status of deep thermal damage and cooling technology both at home and abroad, summarized the causes of deep thermal hazard, analyzed and compared the control technologies for deep thermal hazards. results show that the causes of deep thermal damage can be attributed to three aspects, ie, climate, geological and mining factors, of which the geological factors are deemed major major reasons for thermal hazards. As well, we compared a number of cooling technologies of domestic and overseas provenance, such as central air conditioning cooling, ice cooling technology and water cooling technology, with one other cooling technology, ie, the HEMS cooling technology, which has a large and important effect with its unique “pure air” cooling technology, realizes the utilizing of heat resources from underground to the ground. this technology makes use of heat acquired underground; thus the technology can promote low-ca rbon environmental economic development in coal mines, in order to achieve low- carbon coal production in China.
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