水射流根据切割方向对马氏体的破坏来测定分块材料的产量

K. Kovbyk
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引用次数: 1

摘要

目的。重点介绍了用钻孔水力分层法破坏麻铁矿的主要实验结果。由于对文献资料进行了分析,已确定Kryvyi Rihiron矿石盆地的一些矿床适合进行水力监测挖掘。考虑在克里维伊里希铁矿盆地的条件下引进采矿作业水力机械化技术的方法是一个热门问题。的方法。利用实验装置对麻铁矿层进行破坏实验,逐步增加水压,确定原料的定性分级产率。得到的结果的数学处理和基于实验的依赖关系的构建。发现。实验顺序的显示,结果汇总表的创建和图解图的构建是在水射流破坏矿石过程中确定分级材料产量的研究结果。的创意。实验表明,水力破碎破碎过程中矿石的屈服量既取决于水压,也取决于矿石的分层。沿着这一层破碎的矿石更容易过度磨矿,而破碎成十字形的矿石则不太可能。因此,在一定的数值范围内,可以控制麻铁矿层破坏过程中馏分的输出。实际的实现。采用传统的、不合适的方法开发富铁矿溢流矿床,伴随着大量矿石原料的损失或矿床无法开发,因此提出了一种替代传统的钻爆破岩方法的水力机械化技术。钻孔水力采矿技术的使用将允许利用排水井或水池的水流来安全、非爆炸性地破坏地块。这将提高采矿作业的安全性,并减少采场开采开始前地震对工作的影响。
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Determination of yield of fractional material bydestruction of martiteore by water jets depending on the direction of their cutting
Purpose. Highlight the main results of the experiments performed on the destruction of martite ores by the method of borehole hydraulic destruction by their layering. Since, as a result of the analysis of literary sources, it was established that some of the deposits of the Kryvyi Rihiron ore basin are suitable for hydro monitor excavation.Consideration of the method of introducing technologies for hydromechanization of mining operations in the conditions of the Kryvyi Rihiron ore basin is a topical issue. The methods. Using experimental installations conduct experiments on the destruction of layers of martite ores, gradually increasing the water pressure and determine the qualitative fractional yield of raw materials. Mathematical processing of the results obtained and the construction of dependencies based on experiments. Findings. Showing of the sequence of the experiment, the creation of summary tables with the results and the construction of illustrated graphs is the result of a study of determining the yield of fractional material during the destruction of ores by water jets. The originality. Experiments have shown that the yield of the ore fraction during their destruction using the hydro fracture method depends both on the water pressure and on the stratification of the ores. Ores that break down along the layer are more prone to overgrinding, and ores that break into a cross are less likely to. Therefore, the output of fractions during the destruction of layers of martite ores in some values can be controlled. Practical implementation. The development of floodingdeposits of rich iron ores by classical, unsuitable methods is accompanied by a large number of losses of ore raw materials or the impossibility of developing the deposit, because an alternative to the classical drilling and blasting method of destruction of a massif of rock is proposed technology of hydromechanization.The use of borehole hydraulic mining technology will allow the use of water flows from drainage wells or a sump for the safe, non-explosive destruction of the massif. This will increase the safety of mining operations, as well as reduce the seismic impact on the workings before the start of stope extraction.
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