Abstract
According to incomplete statistics, the mine heat damage accidents since the 1970s have threatened the safety of mining and the safety and health of underground workers all the time. At present, many mine workers have physical discomfort in high-temperature mines, and then affect the safe mining of mines. As China’s shallow coal seam has been basically mined out and gradually mined to deep mines, the underground heat damage is becoming more and more serious. The overall and local cooling of the mine has become a difficult problem in the underground work, which also restricts the production of the mine. The development of individual cooling equipment can effectively alleviate the heat stress of mine workers. Therefore, it is necessary to select non-toxic environmental protection and low-cost cooling materials as the cooling medium of cooling clothing. It is necessary to consider that the cooling medium is harmless to human body and can keep the human body working in a more comfortable micro environment without affecting the working efficiency.
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