Abstract
The situation of infusion in coal seam technology at home and abroad, the effect of dust control for every aspect in mining, and the mechanism of coal seam water infusion in micro and macro have been described in detail. The influence of capillary and molecular diffusion movement in coal group should be noticed. Combined with the practice of light-weight top coal caving mining in local and analysis on the technology of infusion in seam, some detail research on the effect of decreasing dust has been done. The control of water infusion quantity, drilling spacing and the length of hole sealing have got appropriate data for further research. The appropriate parameters of water infusion process provide basis for the following research and production.
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