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金属矿山 ›› 2009, Vol. 39 ›› Issue (07): 33-35+38.

• 采矿工程 • 上一篇    下一篇

露天铁矿爆破开采炸药单耗预测

李战军,温健强,郑炳旭   

  1. 广东宏大爆破股份有限公司
  • 出版日期:2009-07-15 发布日期:2011-04-26

Forecast of the Unit Explosive Consumption for Blasting in Open-Pit Iron Mine

Li Zhanjun,Wen Jianqiang,Zheng Bingxu   

  1. Guangdong Hongda Blasting Co., Ltd.
  • Online:2009-07-15 Published:2011-04-26

摘要: 以某铁矿爆破开采的炸药单耗预测为例,介绍了运用Kuznetsov和Rosin-Rammler 数学模型在给定大块率情况下,所需炸药单耗的预测方法及其计算过程。根据使用经验,对在露天矿爆破开采中使用Kuznetsov和Rosin-Rammler 数学模型进行爆破参数优化等提出了评价和建议。

关键词: 露天矿, 爆破, 大块率, 炸药单耗

Abstract: With the forecast practice of the unit explosive consumption for blasting in an open-pit iron mine, the forecast method and calculation method by Kuznetsov and Rosin-Rammler mathematical model at a given boulder yield are presented.Evaluation and suggestions are made on the optimization of blasting parameters of open-pit blasting by the said model based on the practical experience.

Key words: Open-pit mine, Blasting, Boulder yield, Unit explosive charge