CN102434159B

CN102434159B - Mining method for ore bed

Info

Publication number: CN102434159B
Application number: CN201110382824.6A
Authority: CN
Inventors: 赵光天
Original assignee: Zhejiang YongChang Meter Co Ltd
Current assignee: Zhejiang YongChang Meter Co Ltd
Priority date: 2011-11-28
Filing date: 2011-11-28
Publication date: 2014-03-05
Anticipated expiration: 2031-11-28
Also published as: CN102434159A

Abstract

The invention belongs to the field of mineral mining, in particular to a mining method for an ore bed. The mining method comprises the following steps of: mining in a large-section tunneling way; during mining, building annular bodies with upper, lower, left and right faces on four walls of a mined vacant mining area by using reinforced concrete structures; building a section of annular body once a section is mined forward; building an integrated structure by using two adjacent annular bodies; building vertical beams for supporting at intervals between the upper and lower inner walls of the annular bodies; performing anti-permeation and anti-leakage treatment on the inner wall faces of the annular bodies; and forming a mine cave after the ore bed is mined completely. The method has the advantages that: during mining, the annular bodies with reinforced concrete structures which are subjected to anti-permeation and anti-leakage treatment are built on the four walls of the mined vacant mining area, and the operating space under the ore bed is large, so that modern large-scale operation can be realized; and the danger coefficient of mining worker operation is lowered, the mine cave can be reused after mining is completed, the comprehensive mining cost is low, waste of resources is not caused, and the method is suitable for mining various minerals.

Description

A kind of exploitation method of ore bed

Technical field

The invention belongs to mineral mining field, refer in particular to a kind of exploitation method of ore bed.

Background technology

At present, the quarry in mineral deposit generally need to first build the sensible ore body in a series of tunnels, make the complete lifting of ground and underground formation, transportation, ventilate, the system such as draining and power supply, so that personnel, material, equipment, power and fresh air are made a gift to someone underground, simultaneously ore, barren rock, pit water, dirty air etc. is delivered to ground, the mining space of the method is less, some large-scale machineries can not enter minery, and the mineral in ore bed can not gather completely, once there is security incident in ore bed, cutter's safety can not get ensureing, after mineral mining, also need backfill, to prevent landslide.

Summary of the invention

The object of this invention is to provide a kind of mineral in ore bed can collections completely, and can ensure cutter's safety, after mineral have gathered, do not need backfill and abandoned mine can be fully utilized, the mineral mining method that integrated cost is low.

The object of the present invention is achieved like this: a kind of exploitation method of ore bed, adopt the mode of large section driving to dig up mine, in the time of mining, the wall of exploiting vacant mining area is built into the annular solid of four faces up and down with reinforced concrete structure, often exploit forward one section and just construct one section of annular solid, adjacent two annular solids are built into integral structure, the vertical beam that between inwall, interval build support is used up and down at annular solid, the internal face of annular solid is carried out to Anti-steam-leakage, preventing water leakage processing, the hole, ore deposit of formation production or life use after coal mining completes.

Above-mentioned the internal face of annular solid is carried out to the concrete mode that Anti-steam-leakage, preventing water leakage process be: the mode by injection or slip casting or surface plastic spraying is processed the internal face of annular solid.

Outer setting in minery has the ventilation equipment to minery by fresh air conveying, is provided with gas boring and surveying and warning device in minery.

The import and export in the hole, ore deposit of above-mentioned production or life use are through waterproof, anti-gas-leak and withstand voltage shutoff, in hole, ore deposit, by turnover feed channel, be in communication with the outside, in turnover feed channel, one-way vent valve is set, form large-scale capable of storing air energy tank, with the air of capable of storing air energy tank stores, can be able to generate electricity as required and use for productive life at any time.

The present invention compared to existing technology outstanding advantage is:

When 1, the present invention digs up mine, at the wall of exploiting vacant mining area, construct the annular solid of reinforced concrete structure, and the internal face of annular solid is carried out to Anti-steam-leakage, preventing water leakage processing, working space under ore bed is large, can consider more mechanization, automation, electrification, informationalized operation, and the mineral in ore bed can be gathered completely, and existing mineral mining mode can cause the huge waste of mineral resources;

2, after working seam of the present invention completes, form to produce or the hole, ore deposit of life use can be used as energy storage facility and utilizes again, and traditional mineral mining mode all needs mine to carry out backfill after exploitation the security incident causing to avoid mine to subside;

3, the present invention greatly reduces the danger coefficient of cutter's operation, and the integrated cost of mining is low, is applicable to the exploitation of various mineral.

4. the present invention improves like mining cost outwardly, as after adding, becomes the use of air energy storage canister, and its integrated cost reduces greatly so.

Accompanying drawing explanation

Fig. 1 is the exploitation schematic diagram with invention.

Fig. 2 is that the A-A of Fig. 1 is to sectional view.

Fig. 3 is that the B-B of Fig. 1 is to sectional view.

In figure: 1-ground, the 2-earth's crust, 3-ore bed, 4-annular solid, 5-vertical beam.

The specific embodiment

Below in conjunction with accompanying drawing, with specific embodiment, the invention will be further described, referring to Fig. 1-3;

A kind of exploitation method of ore bed, adopt the mode of large section driving to dig up mine, in the time of mining, the wall of exploiting vacant mining area is built into the annular solid 4 of four faces up and down with reinforced concrete structure, often exploit forward one section and just construct one section of annular solid 4, adjacent two annular solids 4 are built into integral structure, the vertical beam 5 that between inwall, interval build support is used up and down at annular solid, the internal face of annular solid 4 is carried out to Anti-steam-leakage, preventing water leakage is processed, the hole, ore deposit of formation production or life use after coal mining completes, the Anti-steam-leakage of the internal face of annular solid 4, preventing water leakage is processed and can be prevented the landslide of generation side, hole, ore deposit, and can stop water and gas in ore bed to permeate in hole, ore deposit.

Above-mentioned the internal face of annular solid 4 is carried out to the concrete mode that Anti-steam-leakage, preventing water leakage process be: the mode by injection or slip casting or surface plastic spraying is processed the internal face of annular solid 4.

Outer setting in minery has the ventilation equipment to minery by fresh air conveying, in minery, be provided with gas boring and surveying and warning device, in the outlet of mine, be also provided with gas control and do not execute, the gas that ventilation equipment displacement can be gone out is collected utilization, to avoid the waste of the energy.

The primary condition of gas explosion is: in (1) air, the concentration of gas generally will reach 5%-16%.(2) temperature of lighting gas explosion will reach 650-750 ℃, and can meet the sensitive period of gas explosion.(3) in air, oxygen concentration must be greater than 12%.Above three conditions must meet simultaneously, and gas just can be blasted.Under ventilation state, in air, oxygen concentration is generally all greater than 12%; The powerful ventilation equipment of hole, ore deposit of the present invention outer setting, even if concentration is also not easy to reach 5% one 16% in the situation that of Gas, and the hole, ore deposit building by annular solid 4 has larger space, control spark also comparatively easy, so greatly reduce the possibility of gas explosion, even if generation gas explosion, the larger space that the hole, ore deposit that annular solid 4 builds has can minimize the impact of blast, thereby the disaster of other that avoid causing, compare gas explosion, the landslide of hole, ore deposit is only cutter's biggest threat.

The import and export in the hole, ore deposit of above-mentioned production or life use, through waterproof, anti-gas-leak and withstand voltage shutoff, are in communication with the outside by turnover feed channel in hole, ore deposit, in turnover feed channel, one-way vent valve are set, and form large-scale capable of storing air energy tank.

Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalences of doing according to structure of the present invention, shape, principle change, within all should being covered by protection scope of the present invention.

Claims

1. the exploitation method of an ore bed, it is characterized in that: adopt the mode of large section driving to dig up mine, in the time of mining, the wall of exploiting vacant mining area is built into the annular solid of four faces up and down with reinforced concrete structure, often exploit forward one section and just construct one section of annular solid, adjacent two annular solids are built into integral structure, the vertical beam that between inwall, interval build support is used up and down at annular solid, the internal face of annular solid is carried out to Anti-steam-leakage, preventing water leakage processing, the hole, ore deposit of formation production or life use after coal mining completes.

2. the exploitation method of a kind of ore bed according to claim 1, is characterized in that: described the internal face of annular solid is carried out to the concrete mode that Anti-steam-leakage, preventing water leakage process be: the mode by injection or slip casting or surface plastic spraying is processed the internal face of annular solid.

3. the exploitation method of a kind of ore bed according to claim 1, is characterized in that: the outer setting in minery has the ventilation equipment to minery by fresh air conveying, is provided with gas boring and surveying and warning device in minery.

4. according to the exploitation method of a kind of ore bed described in claim 1-3 any one, it is characterized in that: the import and export in the hole, ore deposit of described production or life use are through waterproof, anti-gas-leak and withstand voltage shutoff, in hole, ore deposit, by turnover feed channel, be in communication with the outside, in turnover feed channel, one-way vent valve is set, hole, ore deposit forms large-scale capable of storing air energy tank.