CN105298494A - Solid and cementing body composite filling coal mining method - Google Patents
Solid and cementing body composite filling coal mining method Download PDFInfo
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- CN105298494A CN105298494A CN201510747879.0A CN201510747879A CN105298494A CN 105298494 A CN105298494 A CN 105298494A CN 201510747879 A CN201510747879 A CN 201510747879A CN 105298494 A CN105298494 A CN 105298494A
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Abstract
The invention discloses a solid and cementing body composite filling coal mining method, and relates to the technical field of coal mining methods. The method comprises the steps that digging is conducted on a working face coal conveying lane, a material filling lane and a cutting hole; solid filing equipment is erected; a lane filling pipe and a working face filling pipe are paved; the lane filling pipe and the working face filling pipe are connected; a working face is propelled; pushing and dense filling are conducted on goaf solid materials; cementing body material filling is conducted in solid filling materials; the working face filling pipe is closed; solid-cementing body filling coal mining operation of the next cycle is conducted. The solid and cementing body composite filling coal mining method can overcome the defect that an overall push dense effect is poor in the solid filling coal mining method, the detect that paste material filling and high water material filling can not achieve effective roof contacting can be overcome, roof settling before filling is effectively made up, and the filling body and surrounding rock deformation is accurately controlled.
Description
Technical field
The present invention relates to coal-mining method technical field, particularly relate to a kind of solid and adhesive bond combination filling coal-mining method.
Background technology
Coal accounts for about 65% of the disposable total energy consumption of China.Form and existing energy consumption structure situation according to the explored energy reserve of China, in foreseeable future, coal will be the topmost energy of China.About 90% of coal in China output is pit mining, underground coal exploitation not only destroys mining area ecological environment, infringement earth's surface building, also serious potential safety hazard in association, and the fundamental solution addressed these problems is the reasonable process to exploitation space.Filling method is mined and effectively can be liberated the recovery ratio of " three times " pressure coal, raising coal resources.Simultaneously, filling method is mined and effectively can be controlled the movement and deformation of stope mine pressing and overlying rock, make full use of gangue, mine tailing, urban solid garbage etc. as filler, reduce the destruction of ground land resources, reduce environment pollution simultaneously, improve mining area ecological environment.
Existing filling coal mining method can be classified further from used filler, is respectively: solid material filling, ointment material filling, high-water material filling.Often kind of a filling coal mining method has pluses and minuses.It is not ideal enough that the entirety of solid material filling pushes closely knit effect, and the compactness of particularly closing on the positions such as top board, pushing area edge is not enough.Compactness is not enough except making the incompressible deformability of obturation reduce, and also may cause the spontaneous combustion of float that produces because of goaf bad sealing and gas accumulation.Ointment material filling and high-water material filling all effectively can not connect top, also need to use filling bag in stowing operation, thus add cost.Existing filling coal mining method all can not the effect of Real-Time Monitoring filling, particularly after filler is filled into goaf, cannot make up crushing before filling.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of solid and adhesive bond combination filling coal-mining method, described method can avoid the shortcoming that in solid filling coal-mining method, the closely knit effect of overall pushing is bad, and the deficiency that effectively can not connect top of ointment material filling and high-water material filling can be avoided, effectively make up crushing and accurately controlling obturation and surrouding rock deformation before filling.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of solid and adhesive bond combination filling coal-mining method, is characterized in that comprising the steps:
1) offer fortune coal road, filler lane in the both sides of mining coal seam work plane respectively and cut eye, forming back production and the ventilation system of work plane;
2) between mining coal seam work plane and coal seam, coal excavation apparatus and solid filling equipment is set up;
3) work plane filling pipe is laid in the region beyond the said equipment, and lays tunnel filling pipe in filler lane, and tunnel filling pipe communicates with the consolidated fill pipe-line system outside work plane;
4) tunnel filling pipe is connected with work plane filling pipe;
5) start coal mining activity at the work plane in coal seam, the advance of the face arranges distance;
6) by filler lane transport solid filler to goaf, use solid filling equipment by closely knit for the pushing of solid filling material;
7) open the valve on tunnel filling pipe and work plane filling pipe, carry out the filling of adhesive bond filler by tunnel filling pipe and work plane filling pipe at the solid filling material internal in the goaf in goaf;
8) after adhesive bond filler is filled, by the valve closing that tunnel filling pipe and work plane filling pipe near-end are arranged;
9) tunnel filling pipe is separated with work plane filling pipe, recession tunnel filling pipe, then carry out mobile coal excavation apparatus and solid filling equipment successively, lay tunnel filling pipe and work plane filling pipe, coal mining activity, goaf solid-filling, solid-filling district adhesive bond filling operation, complete the filling coal mining operation of whole work plane and so forth.
Further technical scheme is: step 2) in erection coal excavation apparatus and solid filling equipment comprise: the filling coal mining hydraulic support being accompanied with pressing device, coal-winning machine, coal scratch board conveyor, fortune coal belt, solid filling transport of materials belt, solid filling materials scraper transporter, the described upper plate of filling coal mining hydraulic support contacts with the roof strata of work plane, the lower roof plate of filling coal mining hydraulic support contacts with the floor strata of work plane, pressing device and solid filling materials scraper transporter are positioned at the side of filling coal mining hydraulic support away from coal seam, coal-winning machine and coal scratch board conveyor are positioned at the side of filling coal mining hydraulic support near coal seam, fortune coal belt is positioned at fortune coal road, solid filling transport of materials belt is positioned at filler lane.
Further technical scheme is: be connected by jointing between tunnel filling pipe with work plane filling pipe in step 4).
Further technical scheme is: described adhesive bond filler is high-water material, ointment material and/or Paste-like body material.
Further technical scheme is: the periphery of work plane filling pipe is provided with several pack holes, and pack hole gradually increases in the process away from tunnel filling pipe.
Further technical scheme is: described tunnel filling pipe is provided with fluid pressure sensing device; Solids pressure sensor and displacement transducer is furnished with in the solid filling material in goaf and on the top board of solid filling material and base plate.
Further technical scheme is: described solids pressure sensor, displacement transducer and fluid pressure induction installation are connected with monitoring host computer by data processing equipment, changed by the pressure of solids pressure sensor Real-Time Monitoring solid filling material, by the displacement of top board described in displacement transducer Real-Time Monitoring and base plate, by fluid pressure induction installation Real-Time Monitoring and the stuffing pressure controlling adhesive bond filler, monitoring host computer points out the charging quantity of solid filling material and adhesive bond filler by the change monitoring above-mentioned pressure and displacement.
The beneficial effect adopting technique scheme to produce is: described method carries out filling because first using solid filling material to goaf, and then carry out filling by the solid filling material of adhesive bond filler to above-mentioned filling, therefore the shortcoming that in solid filling coal-mining method, the closely knit effect of overall pushing is bad can not only be avoided, and the filler of ointment material filling and high-water material filling can be avoided effectively can not to connect the deficiency on top, effectively make up crushing and accurately controlling obturation and surrouding rock deformation before filling.In addition, by arranging pressure and displacement acquisition device, the change of charges in Real-Time Monitoring filling process, controls charging quantity, improves the accuracy of filling, thus improve filling effect.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram at working face of coal seam place;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Wherein: 1, transport coal road 2, material lane 3, coal seam 4, work plane filling pipe 5, tunnel filling pipe 6, solid filling material 7, valve 8, filling coal mining hydraulic support 9, coal-winning machine 10, coal scratch board conveyor 11, fortune coal belt 12, solid filling transport of materials belt 13, solid filling materials scraper transporter 14, roof strata 15, floor strata 16, jointing 17, pack hole 18, fluid pressure sensing device 19, solids pressure sensor 20, displacement transducer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
The invention discloses a kind of solid and adhesive bond combination filling coal-mining method, comprise the steps:
1) offer fortune coal road 1, filler lane 2 in the both sides of mining coal seam work plane respectively and cut eye, forming back production and the ventilation system of work plane.
2) between mining coal seam work plane and coal seam 3, coal excavation apparatus and solid filling equipment is set up.As shown in Figure 1-2, the coal excavation apparatus of erection and solid filling equipment comprise: be accompanied with the filling coal mining hydraulic support 8 of pressing device, coal-winning machine 9, coal scratch board conveyor 10, transport coal belt 11, solid filling transport of materials belt 12, solid filling materials scraper transporter 13.The upper plate of described filling coal mining hydraulic support 8 contacts with the roof strata 14 of work plane, and the lower roof plate of filling coal mining hydraulic support 8 contacts with the floor strata 15 of work plane; Pressing device and solid filling materials scraper transporter 13 are positioned at the side of filling coal mining hydraulic support 8 away from coal seam 3, and coal-winning machine 9 and coal scratch board conveyor 10 are positioned at the side of filling coal mining hydraulic support 8 near coal seam 3; Fortune coal belt 11 is positioned at fortune coal road 1, and solid filling transport of materials belt 12 is positioned at filler lane 2.
3) work plane filling pipe 4 is laid in the region beyond the said equipment, and lays tunnel filling pipe 5 in filler lane 2, and described tunnel filling pipe 5 is provided with fluid pressure sensing device 18; The periphery of work plane filling pipe 5 is provided with several pack holes 17, preferably, pack hole 17 is evenly arranged along the periphery of work plane filling pipe 5, because increasing along with the length of work plane filling pipe 5, the pressure of conveying adhesive bond diminishes, therefore pack hole 17 gradually increases in the process away from tunnel filling pipe 5, and for improving conveying adhesive bond effect, tunnel filling pipe 5 communicates with the consolidated fill pipe-line system outside work plane.
4) tunnel filling pipe 5 is connected with work plane filling pipe 4 by jointing 16.
5) work plane in coal seam 3 uses coal-winning machine 9 to start coal mining activity, and is transported by coal by the fortune coal belt 11 in fortune coal road 1 and coal scratch board conveyor 10, and then the advance of the face arranges distance.
6) by solid filling transport of materials belt 12, solid filling materials scraper transporter 13 in filler lane 2, solid filling material 6 is transported to goaf, uses the pressing device on filling coal mining hydraulic support 8 to push closely knit by solid filling material 6; Solids pressure sensor 19 and displacement transducer 20 is furnished with in the solid filling material 6 in goaf and on the top board of solid filling material 6 and base plate.
7) valve 7 on tunnel filling pipe 5 and work plane filling pipe 4 is opened, carry out the filling of adhesive bond filler by tunnel filling pipe 5 and work plane filling pipe 4 in solid filling material 6 inside in goaf, described adhesive bond filler is high-water material, ointment material and/or Paste-like body material;
8), after adhesive bond filler is filled, the valve 7 that tunnel filling pipe 5 and work plane filling pipe 4 near-end are arranged is closed;
9) tunnel filling pipe 5 is separated with work plane filling pipe 4, recession tunnel filling pipe 5, then carry out mobile coal excavation apparatus and solid filling equipment successively, lay tunnel filling pipe 5 and work plane filling pipe 4, coal mining activity, goaf solid-filling, solid-filling district adhesive bond filling operation, complete the filling coal mining operation of whole work plane and so forth.
In addition, described solids pressure sensor 19, displacement transducer 20 and fluid pressure induction installation 18 are connected with monitoring host computer by data processing equipment, changed by the pressure of solids pressure sensor 19 Real-Time Monitoring solid filling material 6, by the displacement of top board described in displacement transducer 20 Real-Time Monitoring and base plate, by fluid pressure induction installation Real-Time Monitoring and the stuffing pressure controlling adhesive bond filler, monitoring host computer points out the charging quantity of solid filling material 6 and adhesive bond filler by the change monitoring above-mentioned pressure and displacement.
Described method carries out filling because first using solid filling material to goaf, and then carry out filling by the solid filling material of adhesive bond filler to above-mentioned filling, therefore the shortcoming that in solid filling coal-mining method, the closely knit effect of overall pushing is bad can not only be avoided, and the filler of ointment material filling and high-water material filling can be avoided effectively can not to connect the deficiency on top, effectively make up crushing and accurately controlling obturation and surrouding rock deformation before filling.In addition, by arranging pressure and displacement acquisition device, the change of charges in Real-Time Monitoring filling process, controls charging quantity, improves the accuracy of filling, thus improve filling effect.
Claims (7)
1. solid and an adhesive bond combination filling coal-mining method, is characterized in that comprising the steps:
1) offer fortune coal road (1), filler lane (2) in the both sides of mining coal seam work plane respectively and cut eye, forming back production and the ventilation system of work plane;
2) between mining coal seam work plane and coal seam (3), coal excavation apparatus and solid filling equipment is set up;
3) work plane filling pipe (4) is laid in the region beyond the said equipment, and lays tunnel filling pipe (5) in filler lane (2), and tunnel filling pipe (5) communicates with the consolidated fill pipe-line system outside work plane;
4) tunnel filling pipe (5) is connected with work plane filling pipe (4);
5) start coal mining activity at the work plane of coal seam (3), the advance of the face arranges distance;
6) by filler lane (2) transport solid filler (6) to goaf, use solid filling equipment to push closely knit by solid filling material (6);
7) open the valve (7) on tunnel filling pipe (5) and work plane filling pipe (4), carry out the filling of adhesive bond filler by tunnel filling pipe (5) and work plane filling pipe (4) in solid filling material (6) inside in goaf;
8), after adhesive bond filler is filled, the valve (7) that tunnel filling pipe (5) and work plane filling pipe (4) near-end are arranged is closed;
9) tunnel filling pipe (5) is separated with work plane filling pipe (4), recession tunnel filling pipe (5), then carry out mobile coal excavation apparatus and solid filling equipment successively, lay tunnel filling pipe (5) and work plane filling pipe (4), coal mining activity, goaf solid-filling, solid-filling district adhesive bond filling operation, complete the filling coal mining operation of whole work plane and so forth.
2. solid as claimed in claim 1 and adhesive bond combination filling coal-mining method, it is characterized in that: step 2) in erection coal excavation apparatus and solid filling equipment comprise: the filling coal mining hydraulic support (8) being accompanied with pressing device, coal-winning machine (9), coal scratch board conveyor (10), fortune coal belt (11), solid filling transport of materials belt (12), solid filling materials scraper transporter (13), the upper plate of described filling coal mining hydraulic support (8) contacts with the roof strata (14) of work plane, the lower roof plate of filling coal mining hydraulic support (8) contacts with the floor strata (15) of work plane, pressing device and solid filling materials scraper transporter (13) are positioned at the side of filling coal mining hydraulic support (8) away from coal seam (3), coal-winning machine (9) and coal scratch board conveyor (10) are positioned at the side of filling coal mining hydraulic support (8) near coal seam (3), fortune coal belt (11) is positioned at fortune coal road (1), solid filling transport of materials belt (12) is positioned at filler lane (2).
3. solid as claimed in claim 1 and adhesive bond combination filling coal-mining method, be is characterized in that: be connected by jointing (16) between tunnel filling pipe (5) with work plane filling pipe (4) in step 4).
4. solid as claimed in claim 1 and adhesive bond combination filling coal-mining method, is characterized in that: described adhesive bond filler is high-water material, ointment material and/or Paste-like body material.
5. solid as claimed in claim 1 and adhesive bond combination filling coal-mining method, is characterized in that: the periphery of work plane filling pipe (5) is provided with several pack holes (17), and pack hole (17) gradually increases in the process away from tunnel filling pipe (5).
6. solid as claimed in claim 1 and adhesive bond combination filling coal-mining method, is characterized in that: described tunnel filling pipe (5) is provided with fluid pressure sensing device (18); Solids pressure sensor (19) and displacement transducer (20) is furnished with in the solid filling material (6) in goaf and on the top board of solid filling material (6) and base plate.
7. solid as claimed in claim 6 and adhesive bond combination filling coal-mining method, it is characterized in that: described solids pressure sensor (19), displacement transducer (20) and fluid pressure induction installation (18) are connected with monitoring host computer by data processing equipment, changed by the pressure of solids pressure sensor (19) Real-Time Monitoring solid filling material (6), by the displacement of top board described in displacement transducer (20) Real-Time Monitoring and base plate, by fluid pressure induction installation Real-Time Monitoring and the stuffing pressure controlling adhesive bond filler, monitoring host computer points out the charging quantity of solid filling material (6) and adhesive bond filler by the change monitoring above-mentioned pressure and displacement.
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| CN201510747879.0A CN105298494B (en) | 2015-11-06 | 2015-11-06 | Solid and adhesive bond combination filling coal-mining method |
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| CN201510747879.0A CN105298494B (en) | 2015-11-06 | 2015-11-06 | Solid and adhesive bond combination filling coal-mining method |
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| CN107607171A (en) * | 2017-11-20 | 2018-01-19 | 长沙矿山研究院有限责任公司 | A kind of afterwards filling monitoring material position pipe |
| CN112594003A (en) * | 2020-12-15 | 2021-04-02 | 安徽理工大学 | Intelligent matching grouting method for coal-based solid waste paste |
| CN113513365A (en) * | 2021-06-02 | 2021-10-19 | 榆林泰发祥矿业有限公司 | Efficient roof-contacting technology for filling paste for mine |
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| CN113513365A (en) * | 2021-06-02 | 2021-10-19 | 榆林泰发祥矿业有限公司 | Efficient roof-contacting technology for filling paste for mine |
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| CN105298494B (en) | 2018-11-09 |
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