CN205036376U

CN205036376U - Well worker colliery lane nation manless working face

Info

Publication number: CN205036376U
Application number: CN201520645278.4U
Authority: CN
Inventors: 袁伟昊; 袁树来
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-25
Filing date: 2015-08-25
Publication date: 2016-02-17
Anticipated expiration: 2025-08-25

Abstract

The utility model relates to a coal mining technical field more specifically, relates to a well worker colliery lane nation manless working face and mining with filling method, and especially one kind is applicable to the recovery method who presses the regional lane nation manless working face exploitation of coal to use in well worker colliery " three times ", the utility model provides an it is safe, high -efficient, with low costs, but coal road nation's manless working face and mining with filling method are pressed in furthest's recovery " three times ", including exploitation working face and preparation work face, there is the exploitation tunnel between exploitation working face and the preparation work face, exploitation working face and preparation work face homonymy have set gradually exploiting field rail transport lane, exploiting field adhesive tape transportation lane and section return airway, air damper and section return airway intercommunication are passed through to the exploitation tunnel, the exploitation tunnel is through swift current coal eye and exploiting field adhesive tape transportation lane intercommunication, slip casting pipeline both ends communicate with bordroom and the slurrying chamber of mineing the working face respectively, the utility model discloses mainly use in the aspect of coal mining.

Description

A kind of underground mine lane nation manless working face

Technical field

The utility model relates to Coal Mining Technology field, more specifically, relates to a kind of underground mine lane nation manless working face, and especially one is applicable to underground mine " three times " pressure coal region lane nation unmanned coal face mining.

Background technology

Filling mining is the propelling along with stope, to the technology of filing gangue in mined-out area, flyash, building waste and special filler, one of Green Technique in Coal Mining system main contents, because it is little to rock stratum disturbance, having the effect controlling strata movement and subsidence, is the effective way solving coal mining environmental problem and " three times (under building, under railway, under water body) " mining pressed coal.Part Coal Mine enterprise and scientific research institution of coal universities and colleges try to explore and implement the multiple filling process technology such as the solid material fillings such as gangue, paste body filling, high-water material filling in recent years.The filling mining technology and equipment that integrated innovation is comparatively ripe, improves resource recovery, achieves certain society and environmental benefit.But because above-mentioned technology lacks the system research to filler, filling process, stowage unit, filling mining CONTROL OF STRATA MOVEMENT aspect, do not resolve following three problems: (1) coal mining production capacity and filling production capacity equalization problem; (2) filler supply-demand structure problem; (3) filling cost and mining benefit equalization problem.Therefore, up to the present, China only has 1,000,000,000 tons from the coal amount of " three " extraction, account for whole " three times " pressure coal amount (14,000,000,000 t) about 7%.

How progressively to exploit " three times " pressure coal or how to plan that the digging of mine continues, controlling at bottom line on the impact on earth's surface, or take economic benefit as the first element, adopt the exploitation method that some are special, " three times " pressure coal amount is gone out, this problem being current faced by coal enterprises and must researching and solving in the prerequisite lower part or full extraction that do not affect earth's surface building.

Utility model content

In order to overcome deficiency existing in prior art, a kind of safety being provided, efficient, cost is low, " three times " pressure coal road nation manless working face can be reclaimed to greatest extent.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:

A kind of Jing Gong lane nation manless working face, comprise exploitation work plane and preparation face, exploitation tunnel is had between described exploitation work plane and preparation face, described exploitation work plane and preparation face homonymy are disposed with rail transport lane, exploiting field, Belt transport lane, exploiting field and exploiting field return airway, described exploitation tunnel is communicated with exploiting field return airway by air damper, described exploitation tunnel is communicated with Belt transport lane, exploiting field by milling coal hole, the opposite side of described exploitation work plane has stowboard, fresh distinguished and admirable and grouting pipeline is had in described stowboard, the described fresh distinguished and admirable weary wind with exploiting in tunnel is distinguished and admirable to be communicated with, described exploitation work plane is provided with multiple bordroom, described grouting pipeline two ends are communicated with slurrying chamber with the bordroom of exploitation work plane respectively, described exploitation tunnel Nei You lane nation coal-winning machine, flexible flightconveyor and Adjustable Belt-conveyer, there is rubber conveyer in described exploiting field in Belt transport lane.

Described slurrying chamber comprises 1# pump, 2# pump, 1# agitator, 2# agitator and sump, described 1# pump is connected with 1# agitator, 2# agitator by midge pipeline respectively with 2# pump, and described 1# pump is communicated with respectively by the bordroom of grouting pipeline with exploitation work plane with 2# pump.

The exploitation tunnel of described exploitation work plane can be used as the stowboard in preparation face.

Described bordroom width is identical with the roller width of lane nation coal-winning machine.

The beneficial effect that compared with prior art the utility model has is:

Three equalization problem in mining pressed coal process that the utility model preferably resolves " three times ", achieve: (1) coal mining production capacity is balanced with filling production capacity; (2) filler supply-demand structure; (3) filling cost is balanced with mining benefit.Substantially can realize digging up mine and being separated of packing job, filling and mining are disturbed little mutually, and coal mining production capacity is balanced with filling production capacity, and really achieves unmanned coal face mining.Underground goaf water, methane accumulation space can be reduced, reduce goaf gushing water, the accident possibility occurrence such as gas explosion, pernicious gas are outstanding, spontaneous combustion of float, fully can reclaim " three times " pressure coal and residual coal at the margins of mining areas, extend mine service-life; Spoil can be digested in a large number, alleviate the impact of coal mining on earth's surface, reduce cultivated land occupancy and mining area village migration, protect and improve mining area ecological environment, promote development of resources and Coordination Development Between Eco-environment.

This method can effectively utilize the spoil produced in underground mine recovery process, reduces the discharge value of spoil, reduces environment pollution, maximizes exploitation " three times " coal resources.Achieving mines is separated with packing job, and exploitation and filling operation all complete in the tunnel that supporting is good, and operator is without the need to entering work plane.Really achieve that underground mine " three times " pressure coal is efficient, green, environmental protection, manless working face manufacturing process.

Accompanying drawing explanation

Below by accompanying drawing, detailed description of the invention of the present utility model is described in further detail.

Fig. 1 is that manless working face of the present utility model arranges schematic diagram;

Fig. 2 is slurrying chamber of the present utility model and filling system schematic diagram.

In figure: 1 be exploiting field return airway, 2 be Belt transport lane, exploiting field, 3 be rail transport lane, exploiting field, 4 for fresh distinguished and admirable, 5 for exploitation tunnel, 6 be stowboard, 7 be lane nation coal-winning machine, 8 be flexible flightconveyor, 9 be Adjustable Belt-conveyer, 10 be rubber conveyer, 11 be air damper, 12 for weary wind is distinguished and admirable, 13 be grouting pipeline, 14 be slurrying chamber, 15 be 1# pump, 16 be 2# pump, 17 be 1# agitator, 18 be 2# agitator, 19 be sump, 20 for midge pipeline.

Detailed description of the invention

The utility model will be further described by reference to the accompanying drawings for embodiment below.

As shown in Figure 1, a kind of underground mine lane nation manless working face filling mining method, concrete steps are:

A, underground mine " three times " coalfield is divided into some exploiting fields, developing exploiting field return airway 1, Belt transport lane, exploiting field 2, rail transport lane, exploiting field 3, form district ventilation, transportation system;

B, along bearing driving stowboard 6 and exploitation tunnel 5 form independent air return system, in exploitation tunnel 5, lane nation coal-winning machine 7, drag conveyor 8, rubber conveyer 9 are installed, and form fortune coal measures system by work plane milling coal hole and exploiting field rubber conveyer 10, in stowboard 6, arrange pulping system and filling pipeline;

C, in exploitation side, tunnel 5 stope to be divided into the multiple bordrooms equal with lane nation coal-winning machine 7 roller width, see shown in Fig. 1 1., 2., 3., 4., 5., 6., 7.;

D, lane nation coal-winning machine 7 interval is utilized to exploit multiple bordroom, bordroom width is lane nation coal-winning machine 7 roller width, as bordroom in Fig. 1 1., 3., 5., 7., after the bordroom exploitation that each interval is exploited terminates, withdraw Chu Xiang nation coal-winning machine 7, close exploitation side, tunnel and adopt portals, after 1. bordroom having been exploited in Fig. 1, withdraw lane nation coal-winning machine 7, and move to bordroom and 3. locate exploitation, that closes that 1. bordroom exploit side, tunnel adopts portals simultaneously, in stowboard 6 side, 1. filling is carried out to bordroom by slurrying chamber 14 and grouting pipeline 13, because coal seam exists inclination angle, casting resin can flow to lower from eminence, higher pack completeness can be kept, afterwards, repeat above action, carry out exploitation filling bordroom successively 5., 7., when in filling bordroom, charges solidify completely, after there is the ability supporting overlying rock, lane nation coal-winning machine 7 is used to exploit the unquarried bordroom in interval respectively, as bordroom 2., 4., 6., and filling is carried out to the bordroom after exploitation, circulation like this, until complete all exploitations of unminding bordroom.

As shown in Figure 2, after the spoil fragmentation produced in underground mine manufacturing process, the cementing properties paste slurry made after 1# agitator 17 and 2# agitator 18 mix and blend with flyash, cementitious matter and water, carries out filling by grouting pipeline 13 pairs of bordrooms after 1# pump 15,2# pump 16.

After an exploitation work plane completes, the exploitation tunnel of exploitation work plane can be used as air intake (filling) tunnel of next Adjacent Working Face, works on.

Exploitation and filling operation all complete in the tunnel that supporting is good, and operator is without the need to entering work plane.Really achieve that underground mine " three times " pressure coal is efficient, green, environmental protection, manless working face manufacturing process.

Claims

1. a Zhong Jinggong lane nation manless working face, it is characterized in that: comprise exploitation work plane and preparation face, exploitation tunnel (5) is had between described exploitation work plane and preparation face, described exploitation work plane and preparation face homonymy are disposed with rail transport lane, exploiting field (3), Belt transport lane, exploiting field (2) and exploiting field return airway (1), described exploitation tunnel (5) is communicated with exploiting field return airway (1) by air damper (11), described exploitation tunnel (5) is communicated with Belt transport lane, exploiting field (2) by milling coal hole, the opposite side of described exploitation work plane has stowboard (6), fresh distinguished and admirable (4) and grouting pipeline (13) is had in described stowboard (6), described fresh distinguished and admirable (4) are communicated with the weary wind distinguished and admirable (12) in exploitation tunnel (5), described exploitation work plane is provided with multiple bordroom, described grouting pipeline (13) two ends are communicated with slurrying chamber (14) with the bordroom of exploitation work plane respectively, described exploitation tunnel (5) Nei You lane nation's coal-winning machine (7), flexible flightconveyor (8) and Adjustable Belt-conveyer (9), rubber conveyer (10) is had in Belt transport lane, described exploiting field (2).

2. a kind of Jing Gong lane nation according to claim 1 manless working face, it is characterized in that: described slurrying chamber (14) comprises 1# pump (15), 2# pump (16), 1# agitator (17), 2# agitator (18) and sump (19), described 1# pump (15) is connected with 1# agitator (17), 2# agitator (18) by midge pipeline (20) respectively with 2# pump (16), and described 1# pump (15) is communicated with respectively by the bordroom of grouting pipeline (13) with exploitation work plane with 2# pump (16).

3. a kind of Jing Gong lane nation according to claim 1 manless working face, is characterized in that: the exploitation tunnel (5) of described exploitation work plane can be used as the stowboard (6) in preparation face.

4. a kind of Jing Gong lane nation according to claim 1 manless working face, is characterized in that: described bordroom width is identical with the roller width of lane nation coal-winning machine (7).