CN210829387U - Thin coal seam coal and gangue separate mining and separate transporting filling mining system - Google Patents
Thin coal seam coal and gangue separate mining and separate transporting filling mining system Download PDFInfo
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- CN210829387U CN210829387U CN201921822423.6U CN201921822423U CN210829387U CN 210829387 U CN210829387 U CN 210829387U CN 201921822423 U CN201921822423 U CN 201921822423U CN 210829387 U CN210829387 U CN 210829387U
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Abstract
The utility model discloses a thin coal seam coal gangue is adopted separately and is transported separately and fill exploitation system, including filling the support, the rear end that fills the support is provided with fills scraper conveyor, fills the back timber front end below of support and is provided with the backup pad that can stretch out forward, fills the support below and has arranged coal-winning machine and working face scraper conveyor, working face scraper conveyor and the crossheading sticky tape overlap joint/the connection of gluing fortune crossheading, working face scraper conveyor still with fill the filling scraper conveyor overlap joint/the connection that the support rear end was arranged. The thin coal seam coal and gangue separate mining and separate transporting and filling mining system realizes the separate mining and separate transporting of coal and gangue, solves the problem of high difficulty in parallel mining and filling operation, and reduces the washing and processing cost of gangue.
Description
Technical Field
The utility model belongs to the technical field of the colliery filling and mining, especially, relate to a thin seam coal gangue divides and adopts the branch transport filling and mining system.
Background
The thin coal seam is generally thin, the excavation proportion is large, the excavation rate is high, and a large amount of gangue is generated during mining. The waste rock discharge not only occupies land and pollutes the environment, but also has high discharge cost and does not meet the requirements of green mine construction in the coal industry. At present, the mining yield of the thin coal seam in China is not large in proportion to the national coal yield, the proportion is in a trend of gradually decreasing, and the problem of returning waste rocks to a well filling technology for mining the thin coal seam is not much, so that the achievement of green mining of a mine is particularly important for solving the problem of filling mining of the thin coal seam.
The existing coal mine dry filling mining technology is mainly suitable for medium and thick coal seams, and the filling technology for thin coal mining is more rare. The invention provides a method suitable for mining and filling the coal and gangue in a thin coal seam in a separate mining and separate transportation mode, aiming at solving the problems that the coal seam mined by the thin coal seam has high gangue content, high washing and gangue treatment cost and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thin coal seam coal gangue divides to adopt and divides fortune filling mining system solves thin coal seam coal gangue and divides to adopt and divide the fortune and adopt the big problem of the parallel operation degree of difficulty of filling to reduce the gangue and wash and select and the treatment cost.
In order to achieve the purpose, the utility model discloses the technical scheme who adopts is, a thin coal seam coal gangue divides to adopt and divides fortune filling mining system, including filling the support, the rear end that fills the support is provided with fills scraper conveyor, and the back timber front end below that fills the support is provided with the backup pad that can stretch out forward, fills the support below and has arranged coal-winning machine and working face scraper conveyor, working face scraper conveyor and the crossheading sticky tape overlap joint/connection of gluing fortune crossheading, working face scraper conveyor still with fill the filling scraper conveyor overlap joint/connection that the support rear end was arranged.
The technical proposal of the utility model is also characterized in that,
the support plate is driven by a drive mechanism.
The coal conveying and crushing device is characterized in that a coal conveying and transferring device and a crusher are lapped/connected below the discharging end of the working face scraper conveyor, the coal conveying and transferring device is lapped/connected with a crossheading adhesive tape in an adhesive conveying crossheading, the crusher is lapped/connected with a filling and transferring device, and the filling and transferring device is lapped/connected with a filling scraper conveyor.
The discharging end of the working face scraper conveyor is provided with a guide groove, and a guide opening of the guide groove points to the coal-carrying transfer conveyor and the crusher respectively.
The driving mechanism is a hydraulic cylinder.
The utility model has the advantages that: the utility model relates to a thin coal seam coal gangue is adopted separately and is transported separately filling system and filling method thereof, its principle is to change thin coal seam stoping technology, and with thin coal seam mining adjustment for coal petrography layering mining, coal gangue transports respectively, cuts the rock stratum after the earlier stoping coal seam. Conveying coal to the ground through a mine conveying system, conveying cut waste rocks to a crusher at the end of a working face by using a working face scraper conveyor to crush the waste rocks when cutting rock strata, then transferring the crushed waste rocks to a filling scraper conveyor behind a working face filling support through a transfer conveyor, and filling a goaf by using the filling scraper conveyor; coal (waste rock) mining and filling are carried out in parallel in the working face stoping process; the filling system fully and directly fills the waste rocks on the working face without lifting the shaft, reduces the washing and processing cost of the waste rocks, and realizes the loss-reducing green mining of the coal mine.
Drawings
FIG. 1 is a schematic view of the arrangement of the working face of the coal and gangue separate mining and transport filling system of the thin coal seam of the utility model;
FIG. 2 is a drawing of a filling mining support of the thin coal seam coal and gangue separate mining and transporting filling system of the utility model;
fig. 3 is a schematic layout of a reversed loader of the thin coal seam coal and gangue separate mining and separate transportation filling system of the utility model;
the mining machine comprises a coal mining machine 1, a driving mechanism 2, a working face scraper conveyor 3, a filling support 4, a supporting plate 5, a crusher 6, a filling transfer conveyor 7, a filling scraper conveyor 8, a discharge hole 9, a top rock stratum 10, a coal bed 11, a top beam 12, a glue transportation crossheading 13, a coal transportation transfer conveyor 14, a crossheading adhesive tape 15, a working face 16 and a goaf 17.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-3, the utility model discloses a thin coal seam coal gangue is divided to adopt and is transported separately and fill mining system, including filling support 4, the rear end that fills support 4 is provided with fills scraper conveyor 8, the 12 front ends below of back timber that fill support 4 is provided with backup pad 5 that can stretch out forward, fill support 4 below and arranged coal-winning machine 1 and working face scraper conveyor 3, working face scraper conveyor 4 and the crossheading sticky tape 15 overlap joint/be connected in the crossheading 13 of gluey fortune, working face scraper conveyor 4 still with fill 8 overlap joints of scraper conveyor that support 4 rear end was arranged.
When the coal mining machine cuts coal, the supporting plate 5 extends forwards to be blocked below the top rock layer 10, the cut coal falls onto the working face scraper conveyor 3, and the cut coal is conveyed to the ground through the gate rubber belt 15 under the conveying of the working face scraper conveyor 3. When the coal mining machine cuts the top rock layer 10, the supporting plates 5 on the filling supports 4 are sequentially recovered along with the advancing of the coal mining machine 1, the mined and cut gangue falls onto the working face scraper conveyor 3, is conveyed to the filling scraper conveyor 8 through the working face scraper conveyor 3, and then the goaf is filled through the filling scraper conveyor 8. Thereby realizing the respective mining of the coal seam 11 and the roof rock layer 10, greatly reducing the gangue content of the coal mining, and reducing the coal washing pressure and the washing cost; the thin coal seam 11 is isolated from the roof rock layer 10 by the supporting plate 5, and the roof rock layer 10 is supported, so that normal production of separate mining and separate transportation mining of the working face of the thin coal seam 11 is guaranteed.
As shown in FIG. 2, in the system for separately mining, separately transporting, filling and mining coal and gangue in a thin coal seam of the utility model, the supporting plate 5 is driven by the driving mechanism 2, and the driving mechanism 2 is used for driving the front body or the rear body of the supporting plate 5 to retract.
As shown in fig. 2, the utility model discloses an among the thin coal seam coal gangue separate mining and separate transportation filling mining system, the discharge end below overlap joint/connection fortune coal elevating conveyor 14 and breaker 6 of working face scraper conveyor 3, fortune coal elevating conveyor 14 and the same direction as the crossheading sticky tape 15 overlap joint/be connected in the crossheading 13 of glue transportation, breaker 6 and the overlap joint/be connected of filling elevating conveyor 7, fill elevating conveyor 7 and the overlap joint/be connected of filling scraper conveyor 8.
The cut coal can be conveyed to a gate way rubber belt 15 in a rubber gate way 13 through a coal conveying transfer 14, and the cut gangue enters a crusher 6 to be crushed and can be transferred and conveyed to a filling goaf 17 of a filling scraper conveyor 8 through a filling transfer 7.
As shown in fig. 2, in the utility model discloses an in the thin coal seam coal and gangue separate mining and separate transportation filling mining system, the discharge end of working face scraper conveyor 3 is provided with the guide way, the direction mouth of guide way is directional fortune coal elevating conveyor 14 and breaker 6 respectively.
The coal conveying to the coal carrying transfer machine 14 and the gangue conveying to the crusher 6 are realized by controlling the opening and closing of the two guide ports.
As shown in fig. 1, a method for separately mining, separately transporting and filling thin coal seam coal and gangue is performed based on the above system for separately mining, separately transporting and filling thin coal seam coal and gangue, and is specifically implemented according to the following steps:
step 1, cutting coal by a coal mining machine 1, extending a supporting plate 5 at the front end of a filling support 4 out along with the coal cutting of the coal mining machine 1 until the supporting plate is positioned below a top rock stratum 10 of a mined coal bed, and conveying coal-mining carbon mined by the coal mining machine 1 out through a working face scraper conveyor 3 and a crossheading adhesive tape 15 until one-time coal cutting of a working face is finished;
step 2, cutting a top rock stratum 10 after the coal mining machine 1 finishes primary coal cutting on the working face, simultaneously sequentially withdrawing the supporting plates 5 in front of the coal mining machine 1, transferring the mined gangue to a filling scraper conveyor 8 through a working face scraper conveyor 3, and filling the gangue into a goaf 17 until the working face finishes primary gangue cutting;
and 3, repeating the step 1 and the step 2 to mine and fill the coal bed 11 and the roof rock layer 10, and finishing the mining and filling of the coal and gangue separate mining and transportation of the working face.
In the step 2 of the thin coal seam coal and gangue separate mining and separate transporting filling mining method, the gangue generated by cutting and mining rock layers is firstly crushed by the crusher 6 and then is conveyed to a goaf through the filling reversed loader 7 and the filling scraper conveyor 8 in sequence.
Claims (5)
1. The utility model provides a thin coal seam coal gangue divides to adopt and divides fortune filling mining system, its characterized in that, including filling support (4), the rear end of filling support (4) is provided with fills scraper conveyor (8), is provided with backup pad (5) that can stretch out forward below top beam (12) front end of filling support (4), has arranged coal-winning machine (1) and working face scraper conveyor (3) below filling support (4), working face scraper conveyor (3) and rubber transportation crossheading sticky tape (15) overlap joint/be connected in crossheading (13), working face scraper conveyor (3) still with fill scraper conveyor (8) overlap joint/be connected that filling support (4) rear end was arranged.
2. The system for separately mining and separately transporting and filling the thin coal seam gangue as claimed in claim 1, wherein the supporting plate (5) is driven by a driving mechanism (2).
3. The system for separately mining, separately transporting and filling and exploiting the thin coal seam gangue as claimed in claim 1, wherein a coal transporting loader (14) and a crusher (6) are overlapped/connected below a discharge end of the face scraper conveyor (3), the coal transporting loader (14) is overlapped/connected with a gate rubber belt (15) in a rubber gate chute (13), the crusher (6) is overlapped/connected with a filling loader (7), and the filling loader (7) is overlapped/connected with a filling scraper conveyor (8).
4. The system for separately mining, separately transporting and filling and mining the coal and gangue as claimed in claim 1, wherein the discharge end of the face scraper conveyor (3) is provided with a guide groove, and guide openings of the guide groove are respectively directed to the coal carrying loader (14) and the crusher (6).
5. The system for separately mining, separately transporting and filling and mining the coal and gangue as claimed in claim 2, wherein the driving mechanism (2) is a hydraulic cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921822423.6U CN210829387U (en) | 2019-10-28 | 2019-10-28 | Thin coal seam coal and gangue separate mining and separate transporting filling mining system |
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| CN201921822423.6U CN210829387U (en) | 2019-10-28 | 2019-10-28 | Thin coal seam coal and gangue separate mining and separate transporting filling mining system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630322A (en) * | 2019-10-28 | 2019-12-31 | 陕西开拓建筑科技有限公司 | Thin coal seam coal and gangue separate mining and separate transportation filling mining system and mining method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630322A (en) * | 2019-10-28 | 2019-12-31 | 陕西开拓建筑科技有限公司 | Thin coal seam coal and gangue separate mining and separate transportation filling mining system and mining method |
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