Three-dimensional prevention and control system for spontaneous-combustion foamed gel of sharp inclined coal seam

Abstract

The embodiment of the invention discloses a three-dimensional prevention and control system for spontaneous-combustion foamed gel of a sharp inclined coal seam to inject the foamed gel into a spontaneous-combustion zone of the sharp inclined coal seam for fire control. The three-dimensional prevention and control system comprises an intelligent dragging trolley, a material box, an adding module, afoaming module and a distribution module; the intelligent dragging trolley moves in a track mode, is used for placing a foam box, the adding module, the foaming module and the distribution module andkeeps consistent with the working face in advance speed; the adding module and the foaming module are mounted on the left part of the material box parallelly, and the adding module is used for addinga material A and a material B; the foaming module is used for generating and evenly mixing foam liquid and generating the foamed gel; and the distribution module is used for distributing generated foam and conveying the foamed gel to the spontaneous-combustion zone. The three-dimensional prevention and control system is integrated into a whole, and the foamed gel can be poured into the spontaneous-combustion zone of a mined-out area through three technological modes of burying pipes in the return air side of the coal seam, inserting the pipes into the mined-out area and inserting the pipes into a bottom plate.

Description

technical field [0001] The invention relates to a three-dimensional gel foam prevention and control system for spontaneous combustion of steeply inclined coal seams, which relates to injecting gel foam into spontaneous combustion areas of steep coal seams to control coal seam fires, and belongs to the field of fire prevention and control of steeply inclined coal seams. Background technique [0002] The goaf is the most prone and serious area of ​​spontaneous combustion in the coal seam. During the mining process, the steeply inclined coal seam is more prone to spontaneous combustion than the gently inclined coal seam and the inclined coal seam. The steeply inclined upper coal seams are mostly outcrops and shallow buried, and there are many air leakage channels in surface fissures, and the continuous oxygen supply conditions are sufficient, which increases the difficulty of treatment. Due to the large inclination angle of the steeply inclined coal seam, there will be a certai...

AI Technical Summary

Problems solved by technology

Therefore, when coal spontaneous combustion occurs in the goaf of a steeply inclined coal seam, the spontaneous combustion fire zone will gradually develop into a three-dimensional fire zone in a three-dimensional spreading trend. The original spontaneous combustion zone area will expand outward due to the influence of fire wind pressure. Increased difficulty

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