A kind of intelligent control pyrite mine underground working face so 2 method of concentration
A technology of intelligent control and working face, which is applied in mine/tunnel ventilation, mining equipment, earthwork drilling and mining, etc. It can solve the problems that concentration monitoring and regulation cannot be carried out synchronously and in real time, cannot be successfully warned in real time, and spontaneous combustion accidents occur, etc., to achieve Solve the effects of untimely monitoring and regulation, high degree of automation, and accurate monitoring
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Embodiment 1
[0035]The implementation steps of this example are as follows: (1) Preparatory work for mining face monitoring; (2) Selection and layout of measuring points on the working face; (3) Determination of safety threshold; (4) Monitoring equipment installation and monitoring system debugging; (5) The implementation of real-time control of the working face; (6) The mining of the working face is completed, and the monitoring equipment is recovered; the specific operation of the above six steps is as follows:
[0036] (1) Preparatory work for mining face monitoring
[0037] The main preparatory work includes: mastering the ventilation situation of the working face, the pyrite grade and spontaneous combustion of the working face, and the safety situation of the working face.
[0038] (2) Selection and arrangement of measuring points on the working face
[0039] According to the safety situation of the working face, the measuring point must first ensure the construction safety, and the ...
Embodiment 2
[0055] A pyrite mine adopts underground mining, and the mining method is the upward horizontal layered filling mining method. The mine has repeatedly occurred stope SO 2 Poisoning accidents and pyrite spontaneous combustion accidents have caused damage to mine production, so the SO 2 Concentration is intelligently controlled using this technology. Specific steps are as follows:
[0056] (1) Preparatory work for mining face monitoring
[0057] The working face to be tested is the stope of a pyrite 2# ore body. The upward horizontal layered filling mining method is adopted. The stope is arranged along the ore body. The mining layer height is 3-5m, and the maximum exposed area of the stope is designed 1000m2, the ore is high-grade pyrite, with an average grade of 30%, and the sulfur grade of some raw ore is as high as 41%. The roof of the stope is stable, and the return air roadway of the stope is stable, so that equipment can be installed safely without support. Ore with a ...
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