SU812923A1 - Method of preparing excavation fields - Google Patents

Description

(54) METHOD OF PREPARATION OF DRIVING FIELDS

one

The invention relates to the mining industry and may be used in the development of a suite of steep and sloping coal seams.

There is a method of developing steep coal seams, including the holding of preparatory buckets. overshoot and subsurface formation hydraulic lining l

There is also known a method of preparing excavation fields when developing a steep and inclined coal seam suite, including carrying out transport leveling platforms and formations, workings and building inter-site and inter-site insulating strips of hardening material 12.

However, both methods are characterized by a significant amount of preparatory works, a relatively low intensity of mining operations, and the second process also does not provide an efficient sublevel hydraulic backfill.

The purpose of the invention is to eliminate these disadvantages.

The goal is achieved. By the fact that each inter-part band was erected between the transport level horizon of the prepared piping and preparation section, and each inter-horizon line was erected above the transport horizon square cross-section of the waste section with a slope of 0.05-0.07. in the direction of the transport horizon kvershlaga prepared site.

FIG. 1 is a diagram of formation preparation in the plane; on Fig.2 schema in the horizontal plane; Fig.3 is a diagram across the strike.

The method is carried out as follows.

When preparing in the rocks of the lying side: the passage of cargo-running chute 1, which is knocked out from the horizon, to the cross-pitch 2 at the level of the ventilation and transport horizons.

The storied crosscuts 3 at the level of each coal bed intersect a coal seam. The reservoir passes through; 4 pulpospuschnaya 4 and the valve of the donna 5 Bfcjga6pT CH. Staple.

An insulating strip 6 of hardening material is erected between the transport point leveling board of the section being prepared and the section being prepared. The inter-horizontal isoglastic band 7 is raised above the trans.

Claims (2)

Claim A method of preparing excavation fields in the development of a suite of steep and inclined coal seams, including carrying out transport pogoreionnyh cross-barriers and reservoir preparatory workings and the construction of inter-section and horizontal horizontal insulation strips from hardening material, characterized by a prepared section. 15 Sources of information taken into account in the examination 1. Baykonurov O.A. Classification and selection of underground mining methods, Almaty. The science, 2Q 1969, p. 313.. 2. Parusimov V.F. Preparation of excavation fields in the development of powerful strata in Kuzbass., M., CITI, 1955, p. 26-32 (prototype). Fig.Z VNIIIPI Order 716/36 Draw 627 Subscription Branch of PPP Patent, Uzhhorod, st. Project, 4