SU68374A1 - The way to develop a coal array - Google Patents

Description

In order to increase coal production in the development of coal seams in the proposed method of developing an array, the chopped coal panel is produced along the contour by several iron cutting machines arranged in series one after the steep. With this method, idle strokes of the cutting machines are eliminated and at the same time, operations are carried out to cut the cutting and remove coal from the lavas.

The proposed method of developing a coal array is intended for low and medium thickness formations with horizontal and slightly inclined deposits.

The drawing shows a section of a coal panel, intended for development.

Panel preparation is as follows. On the haul horizon, there is a main haul road, on both sides of which a clearing is made. Between the tracks and the haulage, the target is left for the coal necessary for the stability of the haulage drift. The passageway passes without side sabodka and is connected to the haulage drift in 15–20 m with sboys, serving for transporting coal from lavas and entering air into lavas.

The panels are located between the two split furnaces 7 and 2 and the gap 3, which passes below the ventilation drift 4. In the split furnaces 7 and 2 and in the upper gap 3, conveyors are installed (5, 7, l. The fixing in the walls is done by a conventional fixture, and conjugation of lavas is enhanced by bonfire mounting. Beside vents for connecting the upper lava with the drift, rock walls are laid out on both sides. Lavas are mounted on an organ support. The roof pressure will be slightly due to the rapid advance of the clearing faces. .

The coal nick begins in one of the split furnaces 1 from the lower clearance 5 to the upper one. At the top, Aiashina wraps up and makes a notch along the clearing, and then, from the second split furnace, spins from top to bottom. After notching the panel with three