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Mining method for complex phosphate ore

A mining method, phosphate rock technology, applied in ground mining, underground mining, special mining, etc., can solve the problems of reducing the value of ore of different grades, difficult grading of phosphate rock, etc., and achieve the effect of efficient utilization and simple grading method

Active Publication Date: 2019-12-24
瓮安大信北斗山磷矿
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Problems solved by technology

This will make it difficult to grade phosphate rock in the yard, and it can only be sold at a normal price, which will reduce the value of different types and grades of ore

Method used

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  • Mining method for complex phosphate ore
  • Mining method for complex phosphate ore

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Embodiment 1

[0041] Example 1. A mining method for complex ore bodies is implemented in Daxin Beidoushan Phosphate Mine in Weng'an. Weng'an Daxin Beidoushan Phosphate Mine is located in Beidoushan, Yangenhe Village, Yuhua Community, Yinzhan Town, Weng'an County. It is a wholly-owned subsidiary of Wengfu (Group) Co., Ltd., with a mining area of ​​0.083km 2 , the resource reserve is 12.9457 million tons, the average ore grade is 25.52%, the mining method is underground mining, the mining scale is 500,000 t / a, the development method is adit-slope development, and the mining method is upward layered filling mining method.

[0042] The mining process is as follows:

[0043] Step 1: Classification. The mine adopts the combination of production, learning and research, and employs an expert team from the 104 Geological Brigade of Guizhou Geological and Mineral Exploration and Development Bureau to conduct research and analysis on the underground geological structure, ore genesis, structure, type,...

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Abstract

The invention discloses a mining method for a complex phosphate ore. The method includes a mining-process five-step method and a quality-control four-step method; the mining-process five-step method comprises the following steps of 1, grading, 2, separate mining, 3, separate transporting, 4 pile dividing, and 5, separate using; and the quality-control four-step method comprises the following stepsthat 1, geological grooving sampling is conducted in the grading process; 2, drilling sampling is conducted in the mining process; 3, template sampling is conducted in the separate transporting process; and 4, integrated sampling of a cargo yard is conducted in the separate sampling process. The mining method is suitable for the phosphate ore mountain with complex ore types, by means of the mining method, grading can be conducted on the phosphate ore, the phosphate ore of various types and grades is mined and can be directly provided to manufacturers of different needs, and the comprehensiveand efficient use of ore resources is achieved, so that the value of the ore is maximized.

Description

technical field [0001] The invention relates to the field of mining, in particular to a mining method for complex phosphate rock. Background technique [0002] Phosphate rock refers to the general term of phosphate minerals that can be used economically, and is an important chemical mineral raw material. There are three types of phosphate rocks in China: igneous rock-type apatite, sedimentary rock-type phosphorite, and sedimentary-metamorphic rock-type phosphorite. Sedimentary rock type phosphorite ore reserves account for 70% of the total reserves in my country, mainly distributed in the south-central and southwest. Phosphate rocks in Guizhou Province are mainly sedimentary rock-type phosphorites. [0003] The tectonic location of the Daxin Beidoushan phosphate deposit in Weng'an, Guizhou Province is located at the junction of the Yangtze paraplatform and the South China fold belt. The mine belongs to the low-mountain landform of structural denudation, and the overall to...

Claims

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Application Information

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IPC IPC(8): E21C41/22
CPCE21C41/22
Inventor 徐绍飞阮运斌罗准欧阳伟超段强杨林方
Owner 瓮安大信北斗山磷矿
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