2205 工作面110 工法上隅角瓦斯超限治理实践
行鹏
（山西翼城首旺煤业有限责任公司，山西 翼城 043504）
摘要： 首旺煤业2205 工作面实施110 工法开采时采空区漏风严重， 上隅角瓦斯超限问题频发。采用COMSOL
Multiphysics 数值模拟软件对治理方案进行模拟研究。结果显示： 增加直径300 mm 的超大直径埋管可有效提高抽采效果，
现场施工后上隅角瓦斯体积分数降低至0.30%以下， 工作面上隅角瓦斯超限问题得到有效解决。
关键词： 首旺煤业； 110 工法； 瓦斯超限
中图分类号： TD713      文献标志码： A      文章编号： 2095-0802-(2023)11-0219-03
Practice of 110 Construction Method in Upper Corner Gas Over-limit Control of
2205 Working Face
XING Peng
(Yicheng Shouwang Coal Industry Co., Ltd. of Shanxi, Yicheng 043504, Shanxi, China)
Abstract: When the 110 construction method was implemented in the 2205 face of Shouwang Coal Industry Co., Ltd., the goaf
leakage was serious, and the gas over -limit problem in the upper corner was frequent. COMSOL Multiphysics numerical
simulation software was used to simulate the control scheme. The results show that adding the super-large diameter buried pipe
with a diameter of 300 mm can effectively improve the extraction effect, and the volume fraction of gas in the upper corner can be
reduced to less than 0.30% after site construction, so the problem of over-limit gas in the corner of the working surface can be
effectively solved.
Key words: Shouwang Coal Industry Co., Ltd.; 110 construction method; gas overrun