SU939752A1

SU939752A1 - Method of working thick gently-sloping beds

Info

Publication number: SU939752A1
Application number: SU802983698A
Authority: SU
Inventors: Вячеслав Павлович Кругликов; Марк Абрамович Розенбаум; Леонид Николаевич Гапанович; Юрий Викторович Громов
Priority date: 1980-09-24
Filing date: 1980-09-24
Publication date: 1982-06-30

Description

1one

Изобретение относитс к горной промышленности и предназначено дл разработки мощных пологих пластов полезных ископаемых.The invention relates to the mining industry and is intended to develop thick, flat seams of minerals.

Известен способ разработки мощных пологих пластов полезных ископаемых 1.There is a method of developing powerful flat seams of minerals 1.

Однако этот способ характеризуетс недостаточной эффективностью.However, this method is characterized by insufficient efficiency.

Известен разработки мощных пологих пластов, включающий разделение пласта на слои, проведение подготовительных выработок, выемку полезного ископаемого лавами с выпуском его. в выработку нижнего сло и закладку выработанного пространства 2.Known to the development of powerful flat seams, including the separation of the reservoir into layers, holding preparatory workings, excavation of mineral fossils with the release of it. into the development of the lower layer and the laying of the goaf 2.

Известный способ также недостаточно эффективен,The known method is also not effective enough

Цель изобретени - повышение эффективности разработки мощных пологих пластов.The purpose of the invention is to increase the efficiency of the development of powerful flat seams.

Поставленна цель достигаетс тем, что выемку полезного ископаемого производ т раздельно сло ми и камерами, причем сначала вынимают верхний слой у кровли пласта, а затем два сло , расположенные диагонально по мощности пласта под углом друг к другу, после чего отбивают и выпускают полезное ископаемое из образованной камеры с одновременной отработкой нижнего сло .The goal is achieved by the fact that the mineral excavation is carried out separately by layers and chambers, first removing the upper layer at the top of the reservoir, and then two layers located diagonally along the thickness of the reservoir at an angle to each other, and then kicking and releasing the mineral from formed by the camera while simultaneously working out the lower layer.

Длина лавы не превышает длины предельного устойчивого пролета основной кровли.The length of the lava does not exceed the length of the maximum stable span of the main roof.

Закладку, возвод т только в сло х.Bookmark, raised only in layers.

Закладку возвод т как в сло х, так и в камерах.The bookmark is erected both in the layers and in the chambers.

На фиг. 1 показан способ выемки весьма мощного пласта; на фиг. 2 способ выемки пласта мощностью до 20 м.FIG. 1 shows a method for excavating a very thick formation; in fig. 2 method of excavation reservoir up to 20 m.

Claims

The method is carried out as follows. 3 A thick layer 1 is used for preparatory workings 2 near the roof and 3 near the soil of the layer. If the reservoir is very powerful, then in the middle part, the mine workings are carried out. After the workings are completed, the lava 5 of the upper layer at the roof of the reservoir is worked out, and the length of the lava is selected based on the extremely stable main roof rocks. As the lava 5 is mined and the embankment array is erected in the mined-out space, the mines 2 are formed, the surrounds of the lava 5 are retained for the two layers 6, and as the layers 6 are mined, the laying is made. After that, from the educated chamber 7 they release minerals which are destroyed by means of drilling and blasting operations. As the mineral is released from chamber 7, it is filled with a bookmark. Layer 8 is refined with simultaneous release of mineral from massif 9. In the case of the development of a very thick layer, layer 8 is worked out with simultaneous release of massif 9, outlined by layers 10 and after extraction and bookmark, minerals are released from chamber 11. Working out can be done as with erection of the slab only in layers, and with its erection in layers and chambers. The proposed method will make it possible to significantly increase the efficiency of developing powerful flat seams of minerals by reducing the complexity of work, the cost of additional equipment, dilution of the mineral and by re-using preparatory workings. Claim 1. The method of developing thick flat seams, including the separation of the layer into layers, carrying out preparatory workings, excavation of the mineral by lavas with its release into the production of the lower layer and laying the developed space, characterized in that, in order to increase the efficiency of the development of powerful flat layers, the mineral extraction is carried out separately by layers and chambers, and first the upper layer is removed from the roof of the formation, and then two layers located diagonally in thickness of the formation below angle to each other, after which they beat and release the mineral from the formed chamber while simultaneously working out the lower layer,

2. A pop method, 1, is also distinguished by the fact that the length of the upper layer lava does not exceed the length of the maximum stable span of the main roof,

3. Method pop, 1, is also distinguished by the fact that the bookmark is raised only in layers. POP.1 method, characterized in that the bookmark is erected both in the layers and in the chambers. Sources of information taken into account during the examination 1. USSR author's certificate number 190848, class, E 21 C,. 2, the NDP Patent No. 61978, class, 5 D 15/02, 1968 (prototype).