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现代矿业 2018, Vol. 34 Issue (11) :80-83    DOI:
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一种新型整体道床施工技术在梅山铁矿的应用
许志逞*
南京梅山冶金发展有限公司矿业分公司
Application of a New Monolithic Roadbed Construction Technique in Meishan Iron Mine
Xu Zhicheng*
Mining Branch,Nanjing Meishan Metallurgical Development Co., Ltd.

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摘要 梅山铁矿井下-420 m水平有2个卸矿线承担着铁矿石的转运工作,由于常年累月的重车碾压,导致该水平的2个卸矿线的进口道床出现了严重的下沉问题,直接导致重车拉矿进卸矿线卸矿时阻力过大,经常出现25 t电机车车头碰撞卸矿线进口的水平托轮和竖向支撑轮,致使后续牵引的重车进卸矿线时卸矿不顺畅,严重时甚至会发生重车在卸矿线进口处掉道、电机车车头和重车卡于卸矿线等问题,影响了卸矿线的安全使用,进而影响了梅山铁矿铁矿石的生产效率。通过优化-420 m水平2个卸矿线进口的道床爆破开挖施工方式,探索采用了一种新型整体道床施工技术,增强了卸矿线进口区域道床的整体强度,解决了电机车碰撞水平托轮和竖向支撑轮、重车掉道、卡卸矿线等难题,有效确保了卸矿线的安全使用,提高了铁矿石的生产效率。
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许志逞
关键词铁矿石   矿石运转   卸矿线   道床施工技术   松动爆破   矿石生产效率     
Abstract: There are two ore unloading lines in -420 m level of Meishan Iron Mine undertakes the transport work of iron ore,due to the heavy rolling of heavy vehicles for many years,the serious subsidence problem of the monolithic roadbed of the two ore unloading lines in -420 m level of the mine is existed,which directly leads to excessive resistance when the tipper pulls ores into ore unloading lines,the collision phenomens of the head of 25 t electric locomotive and horizontal supporting wheel and vertical supporting wheel in the entrance of ore unloading lines are appeared,and the problem of unsmooth ore unloading is existed when the heavy trucks into ore unloading lines.In serious cases,the heavy trucks may be drop at the entrance of ore unloading lines,besides that,the head of electric locomotive and hevay trucks may be stuck on ore unloading lines.Therefore,the safety application of ore unloading lines is affected and the production efficiency of iron ores of Meishan Iorn Mine is also affected.Through the optimization of blasting excavation method for the monolithic roadbed in the entrance of two ore unloading lines in -420 m level,a new monolithic roadbed construction technique is proposed and applied,the whole strength of the entrance zone of the monolithic roadbed of ore unloading lines is enhanced,the abvoe problems are solved effectively,the safety application of ore unloading lines is ensured,besides that,production efficiency of iron ores of the mine is improved.
KeywordsIron ore   Ore transport   Ore unloading line   Monolithic roadbed construction technique   Lossening blasting   Ore production efficiency     
引用本文:   
许志逞.一种新型整体道床施工技术在梅山铁矿的应用[J]  现代矿业, 2018,V34(11): 80-83
XU Zhi-Cheng.Application of a New Monolithic Roadbed Construction Technique in Meishan Iron Mine[J]  Modern Mining, 2018,V34(11): 80-83
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