Under the background of the continuous improvement of mechanized mining technology,mining enterprises should do a good job in the upgrading of mining technology.In the mining of 3#-5#thick coal seam in Tashan Coal Mine,in order to reduce the amount of mining work,it was decided to study the application of fully-mechanized top coal caving technology.The basic geology of the main mining 30501 working face was summarized,and the mining scheme of top caving coal was improved from the aspects of roadway layout,coal mining process design,key points of coal mining process and supporting process equipment.The roof support work was analyzed in order to ensure the safety of top coal caving mining.Finally,the practical application effect of fully-mechanized top coal caving technology was discussed.The comprehensive recovery rate was 91%,and the economy and safety were high.
维普
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