Abstract
In this paper we have a discussion on heat insulation method of the using of mobile refuge chamber for coal mine and the improved scheme was put forward to improve the performance of thermal protective properties of the refuge chamber. Then according to the theoretical analysis and the external heating test methods to be compared,we conduct an analysis.The test method are introduced, and the factors caused the temperature changes are analyzed based on the test.These results have directive significance for the further improvement of refuge chambers.
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