Mining method for once-mining overall height of gypsum ore deposit

A mining method and full-height mining technology, applied in surface mining, underground mining, special mining, etc., can solve the problems of easy falling, the threat of II gypsum mining room mining, etc., achieving good integrity, simplified labor organization and management, beneficial to The effect of mining balance

Inactive Publication Date: 2003-11-05
LIAOYANG SHENGDA GYPSUM MINE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The mining sequence is to excavate first the I paste cut hole, and then the opening on both sides reaches 10 meters, that is, stop mining after the mine room reaches the designed width. Kaibang on both sides to 8 meters, stop mining, but due to red shale G 1 It is used as the bottom plate of I plaster and the roof of II plaster. It is easy to fall off due to the blasting vibration of cutting holes and mining for many times, which poses a threat to the mining of II plaster mine. Therefore, the II plaster mine is not enough to mine 8 meters. many

Method used

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  • Mining method for once-mining overall height of gypsum ore deposit
  • Mining method for once-mining overall height of gypsum ore deposit
  • Mining method for once-mining overall height of gypsum ore deposit

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Embodiment

[0020] The present invention only excavates return air alley H and transport alley H in the second gypsum layer (II plaster) 1 , while H 1 It is also used as the return air alley H of the next level. Along the trend every 15 meters in the gray shale G 2 +Gypsum I 3 Digging all eyes in the floor, connecting the return air alley H and the transportation alley H 1 , forming a production system. Also press prior art layering method during exploitation, be divided into the first gypsum layer (I plaster) and the second gypsum layer (II plaster), but the present invention is first in the gray shale G 2 Middle punch shot, pull out gray shale G 2 After loading and transporting away separately, the third gypsum layer I 3 The layer of gypsum is broken down by drilling the hole in the middle 3 (see attached figure 1 ), after the whole mining house is opened enough to be 10 meters wide, in the second gypsum layer I 2 The layer of gypsum is broken down by drilling the hole in the m...

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Abstract

The invention is a mining method for mining the whole height of the I gypsum group of the gypsum ore deposit at one time, which has the characteristics of low comprehensive cost and high labor productivity. The method of layer-by-layer mining from bottom to top is adopted in the mining of the mine, first in the gray shale G 2 Drill the shot in the middle, take out the G 2 Separately loaded and transported away, and then in plaster I 3 Drill the hole in the middle and shoot the gun, and the plaster will collapse I 3 , after the mining room is wide enough, the gypsum I 2 Drill the hole in the middle and shoot the gun, and the plaster will collapse I 2 , then in red shale G 1 Drilling holes in the middle and shooting down the red shale G 1 , but not transported away, piled in the mine, and finally in the gypsum I 1 Drill the hole in the middle and shoot the gun, and the plaster will collapse I 1 . The invention has the advantages of simple process, easy realization and popularization.

Description

Technical field: [0001] The invention relates to the technical field of mining, in particular to a mining method for mining a gypsum deposit with full height at one time. Background technique: [0002] Gypsum is an indispensable raw material in cement production. With the development of capital construction and residential construction, the demand for cement is increasing, so the demand for gypsum is also increasing. Due to the thickness of gypsum deposited in each gypsum mine, The geological conditions such as the number of layers are different, so it is impossible for the same mining method to be suitable for all mines. At present, the commonly used mining method is to divide the ore into two mining layers, and arrange roadways in the two layers respectively, and the I gypsum is a single gypsum layer I 1 , II paste is two layers of plaster I 2 and I 3 Between a layer of gray rock sheet G 2 , Between I paste and II paste is red shale G 1 , I paste and II paste are resp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21C41/16
Inventor 郑伟吴登军王锐
Owner LIAOYANG SHENGDA GYPSUM MINE
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