单斗挖掘机窄采掘带倒堆工艺研究

采矿与安全工程学报 ›› 2016, Vol. 33 ›› Issue (2): 336-341.

单斗挖掘机窄采掘带倒堆工艺研究

中国矿业大学煤炭资源与安全开采国家重点实验室，矿业工程学院，江苏徐州 221116

收稿日期:2014-12-24 出版日期:2016-03-15 发布日期:2016-04-22
作者简介:陈树召(1982—)，男，河北省沧州市人，讲师，博士，从事露天开采和矿业系统工程方面的研究。
基金资助:
国家高技术研究发展计划(863)项目(2012AA062000)；国家自然基金重点项目(51034005)

Single-bucket excavator overcast stripping technology in narrow cut zone

Received:2014-12-24 Online:2016-03-15 Published:2016-04-22

摘要/Abstract

摘要： 针对拉斗铲倒堆工艺存在的投资大、适应性差等问题，提出了一种适用于最下部薄及中厚矿层开采的倒堆剥离工艺。单斗挖掘机站立于煤层顶板将剥离物倒堆排弃至内排土场揭露煤层顶板，同时布置一台液压反铲站立于内排土场平台上进行二次倒堆揭露煤层台阶坡面，完成倒堆剥离作业。与单斗—卡车间断工艺相比，该工艺不仅可避免费用高昂的卡车运输，同时有利于缩短整个露天矿的剥离物内排运距，即使重复倒堆率达 100%时采用该工艺在经济上仍是合理的。实例研究表明，安家岭露天煤矿 11 # 煤层采用单斗挖掘机倒堆开采可节约剥离费用约 1 400 万元/a。

关键词: 倒堆剥离, 单斗挖掘机, 窄采掘带, 液压反铲

Abstract: Aiming at problems like large investment and poor adaptability of overcast stripping system of dragline, a stripping system suitable for thin and medium thickness seam mining has been put forward. The excavator has overcast the overburden in order to expose the coal seam roof, and the hydraulic backhoe standing on the platform for secondary pouring pile has been used to expose the coal seam bench slope, and finally to finish the overcast stripping. Compared with the shovel-truck system, the overcasting technology system can not only avoid the high cost of truck transportation, but also shorten the distance of open-pit stripping. Therefore, even the repeated overcast rate is up to 100%, using the overcast stripping system is still reasonable economically. The case study has shown that, using overcast stripping in Anjialing open-pit coal mine for 11 # coal seam mining can save the cost about 14,000,000 yuan/a.

Key words: overcast stripping, single bucket excavator, narrow cut zone, hydraulic backhoe

陈树召，才庆祥，刘福明，尚涛. 单斗挖掘机窄采掘带倒堆工艺研究[J]. 采矿与安全工程学报, 2016, 33(2): 336-341.

CHEN Shuzhao，CAI Qingxiang，LIU Fuming，SHANG Tao. Single-bucket excavator overcast stripping technology in narrow cut zone[J]. Journal of Mining & Safety Engineering, 2016, 33(2): 336-341.