涡区置换式气动风机控制上角气技术

Q4 Multidisciplinary

Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition) Pub Date : 2014-01-01 DOI:10.1201/b16606-23

Chen Xue-x

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引用次数: 0

摘要

祁家坡矿S204综采工作面倾角大，煤层厚度大，采用u型通风容易造成上角瓦斯超量。在分析了综采工作面上隅角瓦斯主要来源和富集原因的基础上，研究了采用涡区置换的风机治理上隅角瓦斯的技术。通过数值模拟方法确定了气动风机的最佳安装位置和技术参数，并根据气动风机参数确定了工艺参数和更换上角的工程实施方法。应用结果表明，该技术实施后，上角瓦斯浓度降低61.78%。

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Technology of controlling upper corner gas by pneumatic fan with vortex zone replacement

Because of high inclination angle and thick coal seam in fully mechanized coal face S204 in Qi Jiapo mine, using U-type ventilation can easily result in gas overrun in upper corner. After the analysis of main source and accumulation causes of upper corner gas in fully mechanized coal face, the technology of managing upper corner gas by pneumatic fan with vortex zone replacement is researched. The best installation location and technical parameters of pneumatic fan have been determined through numerical simulation methods, and the process parameters and the engineering implementation method of replacing upper corner are determined according to the pneumatic fan parameters. Application results show that after the technology has been carried out, the gas concentration in upper corner is decreased up to 61.78%.

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来源期刊

Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition) Multidisciplinary-Multidisciplinary

CiteScore

0.50

自引率

0.00%

发文量

8919