Underground mechanized continuous falling ore beneficiation method
A beneficiation method and ore-dropping technology, applied in testing machinery, cutting machinery, underground mining, etc., can solve problems such as dilution, and achieve the effect of realizing profit, maximization and economic improvement.
Active Publication Date: 2020-05-08
SHANGHAI BRANCH TIANDI SCI&TECH CO LTD +3
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Problems solved by technology
[0005] The present invention aims to provide an underground mechanized continuous falling ore dressing method, which can solve the serious dilution problems caused by the mixing of different grades of mineral materials in the ore seam, and maintain the original grades of different quality mineral materials, especially the original grade of high-grade mineral materials. conducive to maximizing profits
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[0025] The invention discloses a mechanized continuous ore beneficiation method for underground mechanization. The core of the method is to divide the mining wall of the working face into different layered areas (approximately horizontally according to the grade of minerals) based on the prior detection of the mineral composition of the ore body. Extending strips), "layered" conforms to the natural characteristics of mineral material distribution, so the layered area is basically divided according to the natural distribution characteristics of mineral materials, and then the mining wall of the working face is artificially divided into one horizontally Or multiple working sections, each working section is a small mining face unit. When mining, the drum mining machine 9 is used to cut in from the beginning of the working face, and proceed along the working face until it reaches the end. Mining is carried out one by one working section. In each working section, mining is carried ou...
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The invention relates to an underground mechanized continuous ore drawing beneficiation method. The method comprises the following steps: detecting mineral aggregate components of a working face ore body; carrying out region and working section division on a working surface according to grade grades; using a drum-type mining machine for mining working sections one by one from the starting end to the terminal end of a working face; carrying out regional mining one by one in each working section according to the sequence of the mineral aggregate grades from high to low; only reserving mineral aggregate at a lowest level of the top and a bottom step in each working section; returning the mining machine to the starting end from the terminal end; in the process, mining the mineral aggregate atthe lowest grade at the top and the bottom step section by section at a time, before the grade of the exploited mineral aggregate is about to be switched, controlling time-sharing conveying by a conveyor and split charging by a tail end discharging split charging machine through signal coordination, and conducting split charging on the falling mineral aggregate into different stock bins accordingto different grade grades of the mineral aggregate. According to the method, respective mining of different-quality mineral aggregates in a same working face is achieved, the mining profit is greatlyincreased, and particularly, the economical efficiency of hard and graded material mining is remarkably improved.
Description
Technical field [0001] The invention relates to a ore beneficiation method, belonging to a continuous mining method in underground mines, and can be used for underground mining of hard materials. Background technique [0002] Layered and segmented mining is proposed in the field of open-pit mining, mainly for thicker layers. Because the quality of minerals in different sections of different layers is very different, if unified mixed mining will lead to serious dilution rate of minerals, high cost of extracting beneficial components, and mining The benefit is very low. Differentiating mining and warehousing refining in different layers and different sections can greatly increase the benefit of the enterprise. [0003] The existing open-pit stratified and segmented mining is mainly completed by buckets, shovel trucks and other face equipment supporting automobile transportation, which has large space and is easy to operate. However, for underground mines, under the condition of long...
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IPC IPC(8): E21C25/16E21C39/00E21C41/22
Inventor 颜传宝貟瑞光李少康邵国君章立强周常飞吴定洪邰志清董超王振乾胡滔胡璟宋振顾恩洋龚建云杨永波程小春王国元韩晓东王宏张磊金众张伟
Owner SHANGHAI BRANCH TIANDI SCI&TECH CO LTD