本文選題：回風隅角 + U型通風��； 參考：《煤炭科學技術》2015年S2期

【摘要】：針對哈拉溝煤礦22206綜采工作面采空區(qū)和22205工作面采空區(qū)的高壓氮氣導通,造成回風隅角和回風巷的氧氣濃度偏低,不利于安全生產(chǎn)的問題,通過變U型通風方式為Y型通風,徹底解決了回風隅角和回風巷氧氣濃度低的問題。
[Abstract]:In view of the high pressure nitrogen conduction in the goaf and the 22205 working face in the 22206 fully mechanized coal mining face in haralin coal mine, the oxygen concentration in the return air corner and the return air lane is low, which is not conducive to the safety of production. The problem of low oxygen concentration in the corner of the return air and the return air lane is solved thoroughly by the change of the U ventilation mode to the Y type ventilation.

【作者單位】： 神華神東煤炭集團有限責任公司哈拉溝煤礦;
【分類號】：TD724
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本文編號：1822149