Study of Production Capacity Constraint Index in  Coal Mine From Flat Seam to Inclined Seam

Metal Mine ›› 2012, Vol. 41 ›› Issue (09): 16-20.

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Study of Production Capacity Constraint Index in Coal Mine From Flat Seam to Inclined Seam

Zhao Hongze¹，Zhang Ruixin^1,2，Zhen Xuan¹，Xue Wanhai³，Yan Ning^1,4

1.School of Resources & Safety Engineering, China University of Mining & Technology（Beijing）；2.Communication and Information Center, State Administration of Work Safety；3.China Coal Pingshuo Coal Co., Ltd.；4.Department of Security and Production,Beijing College of Politics and Law

Online:2012-09-15 Published:2012-10-09

Abstract

Abstract: The coal seam of Antaibao open-pit mine in china change from flat seam to inclined seam during the mining area of Luzigou anticline.The main restricted factors of production capacity of inclined seam was analyzes，and the formula of level advanced speed, vertical advanced speed and digging trench speed were summarizes.Furthermore, a case study and sensitivity analysis of the impact factor were conducted.The results show that the maximum level advanced speed is 520 m，and the maximum vertical advanced speed is 40 m.In the existing equipment capacity for Antaibao open-pit coal mine，which can be improved by increasing the working slope angle.The theoretical formula verified by compared with actual data.It provides a basis for confirming production capacity in surface mine.

Key words: Open-pit coal mine, Inclined coal seam, Production capacity, Level advanced speed, Vertical advanced speed

ZHAO Hong-Ze, ZHANG Rui-Xin, ZHEN Xuan, XUE Wan-Hai, YAN Ning. Study of Production Capacity Constraint Index in Coal Mine From Flat Seam to Inclined Seam[J]. Metal Mine, 2012, 41(09): 16-20.

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