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《Metal Mine》 2002-01
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A New Ventilation and Temperature Drop Method for Dead Working Face and Its Effect Analysis

Li Zijun Wu Chao Zhou Bo(Central South Univrsity)  
The temperature drop at dead working face in mines with through air flow of low temperature can be realized by ventilation.Based on the analysis of the disadvantages of the conventional local ventilation method,a new temperature drop scheme by a bathing type local ventilation is recommended.It consists of a small and high pressure blast fan and a light stiff PVC pipe with small diameter.The analysis and calculation of the effects of the new process have shown that it is theoretically feasible and have many remarkable advantages.
【CateGory Index】: TD727
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