CN203248193U - Connecting old lane filling system of underground coal mine - Google Patents
Connecting old lane filling system of underground coal mine Download PDFInfo
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- CN203248193U CN203248193U CN 201320196331 CN201320196331U CN203248193U CN 203248193 U CN203248193 U CN 203248193U CN 201320196331 CN201320196331 CN 201320196331 CN 201320196331 U CN201320196331 U CN 201320196331U CN 203248193 U CN203248193 U CN 203248193U
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Abstract
The utility model discloses a connecting old lane filling system of an underground coal mine. The problems that sealing performance is poor and the construction progress is slow when an existing connecting old lane of the underground coal mine is filled are solved. The connecting old lane filling system of the underground coal mine comprises a movable material trolley (23), a filling pump station (22) and a material mixer (19), a filling bag (11) is arranged between a non-recycling framework (9) and a recycling framework (10), a first material grout inlet pipe (20) and a second material grout inlet pipe (21) are arranged in a conveying gate road (5) and a return air gate road (7) respectively, the conveying gate road (5) and the return air gate road (7) are communicated through a front connecting old lane, one end of the first material grout inlet pipe and one end of the second material grout inlet pipe are communicated with the filling pump station (22), the other end of the first material grout inlet pipe and the other end of the second material grout inlet pipe are communicated with the material mixer (19), and an outlet of the material mixer (19) is communicated with a grout injecting port (3) formed in the top face of the filling bag (11) through a mixed material rubber tube (18). The connecting old lane filling system of the underground coal mine effectively improves the construction work efficiency of the sealed connecting old lane, the sealing effect of the connecting old lane is good, and the connecting old lane filling system of the underground coal mine is especially suitable for sealing the underground connecting old lane.
Description
Technical field
The present invention relates to a kind of filling device of under coal mine, finishing fast the horizontal river of contact of airtight work plane afterbody in the recovery process.
Background technology
The stope of existing highly gassy mine generally is to adopt many lanes arrangement, and for the gas of the upper corner of administering coal-face, every interval 30-50 rice will be arranged a horizontal river of contact between two tunnels of work plane return air one side.In the coal mining process, along with the propelling of work plane, the horizontal river of the contact of afterbody need in time be carried out permanent airtight.To the sealing in the horizontal river of contact of afterbody, traditional way has two kinds substantially: a kind of is to adopt the build a wall method of airtight execution of fragment of brick, builds two stifled brick walls in the horizontal river of contact, and in the middle of two stifled brick walls filling loess or spoil; Another kind method is to adopt the work stone airtight execution of building a wall, and builds two putty stone wallings in the horizontal river of contact, filling loess or spoil in the middle of two putty stone wallings.These two kinds of methods all exist engineering quantity large, and construction speed is slow, and labor strength is high, the poor and poor characteristics of seal of operating environment.
Summary of the invention
The invention provides under a kind of coal mine the horizontal river of contact fill system, solved under the existing coal mine the existing engineering quantity of contact horizontal river filling device large, the poor and slow technical problem of construction speed of seal.
The present invention solves above technical problem by the following technical programs:
The horizontal river of contact fill system under a kind of coal mine, comprise the goaf on the coal-face, haulage gate and air return way, between goaf and air return way, be provided with the horizontal river of contact, close goaf one side in the horizontal river of contact is provided with and does not reclaim framework, in the horizontal river of contact, be provided with the recovery framework near air return way one side, in haulage gate, be provided with movable truck and fill pumping plant, in air return way, be provided with blender, be provided with a filling bag not reclaiming framework and reclaim between the framework, be respectively arranged with first slip liquid feed pipe and B material slurry feed pipe in the haulage gate that is communicated with in the horizontal river by front contact and the air return way, one end of first slip liquid feed pipe is communicated with the filling pumping plant, the other end of first slip liquid feed pipe is communicated with blender, one end of B material slurry feed pipe is communicated with the filling pumping plant, the other end of B material slurry feed pipe is communicated with blender, the slurries inlet that arranges on the end face of the outlet of blender by compound sebific duct and filling bag is communicated with, and is respectively arranged with first slip liquid and B material slurry at movable truck.
Do not reclaim the latticed rectangular frame that framework is comprised of the vertical columns of vertical direction and horizontal pedal, be provided with and do not reclaim frame net trellis wire gauze not reclaiming framework, between the ground of vertical columns and goaf one side, be provided with diagonal brace, reclaiming framework is movable rectangular frame, be provided with at the rectangular frame that reclaims framework and reclaim frame net trellis wire gauze, be provided with hydraulic prop in a side of the contiguous air return way that reclaims framework.
On 12 of the airtight box-shaped bag of filling bag are stupefied, all be evenly equipped with draw ring, end face at filling bag is respectively arranged with exhaust opening and slurries inlet, draw ring on one side of filling bag with do not reclaim framework and be fixed together, the draw ring on the another side of filling bag with reclaim framework and be movably connected.
The present invention has improved the construction efficiency in the horizontal river of airtight contact effectively, and construction labour intensity is low, and the input funds are few, and the obturation effect of getting in touch with horizontal river is good, is particularly suitable for sealing the down-hole and gets in touch with horizontal river.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that does not reclaim framework 9 of the present invention;
Fig. 3 is the structural representation of recovery framework 10 of the present invention;
Fig. 4 is the structural representation of filling bag 11 of the present invention.
The specific embodiment
The horizontal river of contact fill system under a kind of coal mine, comprise the goaf 6 on the coal-face 4, haulage gate 5 and air return way 7, between goaf 6 and air return way 7, be provided with the horizontal river 8 of contact, close goaf 6 one sides in the horizontal river 8 of contact are provided with and do not reclaim framework 9,8 interior being provided with near air return way 7 one sides are reclaimed framework 10 in the horizontal river of contact, in haulage gate 5, be provided with movable truck 23 and fill pumping plant 22, in air return way 7, be provided with blender 19, be provided with a filling bag 11 not reclaiming framework 9 and reclaim between the framework 10, be respectively arranged with first slip liquid feed pipe 20 and B material slurry feed pipe 21 in the haulage gate 5 that is communicated with in the horizontal river by front contact and the air return way 7, one end of first slip liquid feed pipe 20 is communicated with filling pumping plant 22, the other end of first slip liquid feed pipe 20 is communicated with blender 19, one end of B material slurry feed pipe 21 is communicated with filling pumping plant 22, the other end of B material slurry feed pipe 21 is communicated with blender 19, the slurries inlet 3 that arranges on the end face of the outlet of blender 19 by compound sebific duct 18 and filling bag 11 is communicated with, and is respectively arranged with first slip liquid and B material slurry at movable truck 23.
Do not reclaim framework 9 by the vertical columns 12 of vertical direction and the horizontal latticed rectangular frame that forms of pedal 13, be provided with and do not reclaim frame net trellis wire gauze 14 not reclaiming framework 9, between the ground of vertical columns 12 and goaf 6 one sides, be provided with diagonal brace 15, reclaiming framework 10 is movable rectangular frame, be provided with at the rectangular frame that reclaims framework 10 and reclaim frame net trellis wire gauze 16, be provided with hydraulic prop 17 in a side of the contiguous air return way 7 that reclaims framework 10.
On 12 of the airtight box-shaped bag of filling bag 11 are stupefied, all be evenly equipped with draw ring 1, end face at filling bag 11 is respectively arranged with exhaust opening 2 and slurries inlet 3, the draw ring 1 of one side of filling bag 11 with do not reclaim framework 9 and be fixed together, the draw ring of the opposite side of filling bag 11 with reclaim framework 10 and be movably connected.
Whole filling system of the present invention divides by the place, is comprised of three parts: moving filling pumping plant, filling pipeline and obturation.
The moving filling pumping plant is arranged on two flat cars in tunnel of haulage gate 5, and the appearance and size of flat car (length * wide * height) is: 5000 millimeters * 3000 millimeters * 600 millimeters, place respectively above the car and fill pumping plant 22 and four agitators.On movable truck 23, stack respectively first material filler and second material filler.
The filling pipeline is that the compound sebific duct 18 that 35 millimeters high-pressure rubber pipe, blender 19 and diameter are 35 millimeters forms by two-way with the diameter of snap joint, first slip liquid feed pipe 20 and B material slurry feed pipe 21 are used for respectively pumping first slip liquid and B material slurry, and the total length of every road pipe is specifically determined according to field condition.
In the horizontal river 8 of the contact of obturation between haulage gate 5 and air return way 7, it is place, quick closure construction place, consisted of the moulding facility of obturation by hydraulic prop 17, filling framework and filling bag 11, first slip liquid and B material slurry are after blender 19 mixes, pumped in the filling bag 11 by feed tube, until be full of bag top and be connected with condition well top.
After two kinds of slurries of first, the second of high percentage of water rapid solidifying material evenly mixed, the strength developing meeting was very fast, mix 1 hour after intensity can reach 0.5-1.0MPa, can reach more than the 1.5MPa after 2 hours, can reach after 12-24 hour more than the 3MPa, can reach more than the 4MPa after 3 days, finally can reach more than the 5MPa.In addition, high percentage of water rapid solidifying material also has following features: (1) pump-conveying property is good; (2) obturation has higher residual strength and good " constant-resistance " characteristic; (3) material itself is nontoxic, harmless, corrosivity is little.
Filling bag 11 is two-sided PVC filling bag, and it is one of moulding facility that holds in the filling slurries, and it has certain intensity, no leakage, and the energy sealing filling material is every air, to avoid the weathering of obturation.Simultaneously, require the material of filling bag 11 to have antistatic, flame resistant performance.The design size of filling bag 11 will be got in touch with in conjunction with airtight mine the size in horizontal river, and filling bag of normal operation can close the horizontal river of contact.250 millimeters of the spacings of each draw ring 1 on stupefied wherein are arranged in the edge of filling bag.
For the slurries in the filling bag are solidified by the shape of design, be provided with the filling framework.Wherein lean on goaf one side for not reclaiming the framework supporting, do not reclaim framework 9 and adopt pins, backboard, iron net to consist of, the pin diameter is 150 millimeters, and pin is 3.6 meters long round log post, generally adopts 5 root posts and 3 diagonal braces; Backboard adopts thick 20 millimeters, and is wide 200 millimeters, grows 1.5 meters some; The iron net generally adopts long 5.7 meters, 4 of wide 1.1 meters graticules.Adopt recovery framework 10 and hydraulic prop 17 supportings by air return way 7 one sides, the dismounting of reclaiming framework will make things convenient for, and it mainly contains three system frameworks, and every framework is high 3.4 meters, wide 1.8 meters, be that 10 millimeters round steel and iron net is welded with 45 bugle steel and diameter.
The present invention needs 9 workmans' constructions under normal circumstances, and installing of filling framework needs 2.5 hours, and pumping filling alkali lye needed finish in 5.5 hours, and taking time altogether is can finish the permanent closure in a horizontal river of contact in 8 hours.
Claims (3)
1. get in touch with horizontal river fill system under a coal mine, comprise the goaf (6) on the coal-face (4), haulage gate (5) and air return way (7), between goaf (6) and air return way (7), be provided with contact horizontal river (8), close goaf (6) one sides in the horizontal river of contact (8) are provided with and do not reclaim framework (9), in the horizontal river of contact (8), be provided with recovery framework (10) near air return way (7) one sides, in haulage gate (5), be provided with movable truck (23) and fill pumping plant (22), in air return way (7), be provided with blender (19), it is characterized in that, be provided with a filling bag (11) not reclaiming framework (9) and reclaim between the framework (10), be respectively arranged with first slip liquid feed pipe (20) and B material slurry feed pipe (21) in the haulage gate (5) that is communicated with in the horizontal river by front contact and the air return way (7), one end of first slip liquid feed pipe (20) is communicated with filling pumping plant (22), the other end of first slip liquid feed pipe (20) is communicated with blender (19), one end of B material slurry feed pipe (21) is communicated with filling pumping plant (22), the other end of B material slurry feed pipe (21) is communicated with blender (19), the slurries inlet (3) that arranges on the end face of the outlet of blender (19) by compound sebific duct (18) and filling bag (11) is communicated with, and is respectively arranged with first slip liquid and B material slurry at movable truck (23).
2. get in touch with horizontal river fill system under a kind of coal mine according to claim 1, it is characterized in that, do not reclaim the latticed rectangular frame that framework (9) is comprised of the vertical columns (12) of vertical direction and horizontal pedal (13), be provided with and do not reclaim frame net trellis wire gauze (14) not reclaiming framework (9), between the ground of vertical columns (12) and goaf (6) one sides, be provided with diagonal brace (15), reclaiming framework (10) is movable rectangular frame, be provided with at the rectangular frame that reclaims framework (10) and reclaim frame net trellis wire gauze (16), be provided with hydraulic prop (17) in a side of the contiguous air return way (7) that reclaims framework (10).
3. get in touch with horizontal river fill system under a kind of coal mine according to claim 2, it is characterized in that, 12 stupefied upper draw rings (1) that all are evenly equipped with at the airtight box-shaped bag of filling bag (11), end face at filling bag (11) is respectively arranged with exhaust opening (2) and slurries inlet (3), draw ring (1) on one side of filling bag (11) with do not reclaim framework (9) and be fixed together, the draw ring (1) on the another side of filling bag (11) with reclaim framework (10) and be movably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196331 CN203248193U (en) | 2013-04-10 | 2013-04-10 | Connecting old lane filling system of underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196331 CN203248193U (en) | 2013-04-10 | 2013-04-10 | Connecting old lane filling system of underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203248193U true CN203248193U (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320196331 Withdrawn - After Issue CN203248193U (en) | 2013-04-10 | 2013-04-10 | Connecting old lane filling system of underground coal mine |
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| CN (1) | CN203248193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233774A (en) * | 2013-04-10 | 2013-08-07 | 山西晋城煤业集团勘察设计院有限公司 | Coal mine underground connecting cross-channel filling system |
| CN103742190A (en) * | 2014-01-27 | 2014-04-23 | 淄博王煤矿业有限公司 | Slurry vacuum bag multi-point synchronization filling device and filling technology |
-
2013
- 2013-04-10 CN CN 201320196331 patent/CN203248193U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233774A (en) * | 2013-04-10 | 2013-08-07 | 山西晋城煤业集团勘察设计院有限公司 | Coal mine underground connecting cross-channel filling system |
| CN103742190A (en) * | 2014-01-27 | 2014-04-23 | 淄博王煤矿业有限公司 | Slurry vacuum bag multi-point synchronization filling device and filling technology |
| CN103742190B (en) * | 2014-01-27 | 2015-10-07 | 淄博王煤矿业有限公司 | Slurry vacuum bag multi-point synchronization device for filling and filling process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20150708 |
|
| RGAV | Abandon patent right to avoid regrant |