上覆小窑火区影响下的综放工作面防灭火技术

Small Kiln Fire Zone Overlying Caving Face under the Influence of Fire Prevention Technology

分析了公乌素煤矿011604综放工作面受上覆小窑火区的影响情况,采用地面对小窑火区注液氮治理技术,控制小窑火区的发展。同时在井下工作面采取均压措施,防止有害气体下泄,采空区注氮,防止遗煤自燃等措施,保证了工作面的安全开采。

This paper analyzes the 01011604 Gongwusu coal caving face by a small kiln fire zone overlying affect the case, to ensure the safety of mining face, mine ground to take on the small kiln fire area governance, control of small kiln fire District development, while taking in the pit face equalizing measures to prevent harmful gases discharged, gob nitrogen injection to pre-vent spontaneous combustion and other measures to ensure the safety of mining face.