SU994735A1 - Method of working coal seams with long stoping longwalls - Google Patents

Description

(5) METHOD FOR DEVELOPING COAL STRAYS WITH LONG CLEANING LAVAMS

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The invention relates to the mining industry and can be used for the development of coal beds.

There is a method of developing coal seams with the protection of preparatory workings with reinforced concrete pedestals 1.

However, this method is used only for the protection of development workings, when on the one hand there is a coal massif, and on the other - the space developed.

There is also a known method for developing coal seams with long cleansing lavas, which includes carrying out transport and ventilation workings, excavating the formation with a mechanized complex from a section G2 of production 2jl.

However, this method is characterized by the fact that a coal is left between the lavas and a split production is made in each lava to move the excavation unit, which leads to loss of coal.

The aim of the invention is to reduce the amount of rifled work and prevent the loss of coal in the interlaws pillars.

The goal is achieved by the fact that according to the coal seam development method with long cleansing lavas, including carrying out transport and ventilation workings, excavation of the seam with a mechanized complex of the split production, split production of adjacent lavas is divided into two parts, all of which are artificial mounted mechanized complex, and the clearing recess are alternately from the split production to the flanks.

Claims (2)

The method is carried out as follows. A split run is carried out between the transport and the ventilation drift, which is divided along the artificial interllav axis in two parts. In one of the parts of the split production, a high-vibrating aggregate is mounted and mechanized coal excavation is carried out. After the lava is advanced to the discharge, at which the immediate and main roofs will be seated and the target erected in the split hole will be loaded, coal will be dredged in the adjacent lava. The proposed method will reduce the amount of rifled workings and avoid the loss of coal in the inter-, lava pylons, which are not subject to further development. The invention of the Method of development of coal beds with long clearing lavas, including carrying out of transport and ventilation workings, excavation: of a formation with a mechanized complex of cut-off development, so that, in order to reduce the volume cutting works and preventing the loss of coal in the interllav pillars, the split production of adjacent lavas is divided along the axis by an artificial interllav c | two parts, in each of which the mechanized complex is mounted, and the wash-out excavation is only possible (from the split production to the flanks. Sources of information taken into account during the examination 1.Bazhin NP, Kardakov V.E. and others The guard of the preparatory workings without pillars. M., Nedra, 1975, p .. 2.Burchakov A.S. and others. Underground mining technologists of the western coastal mineral deposits. M., Nedra. 1978, p.80-88 (prototype).