CN107975372A - A kind of super high seam descending slicing filling mining method - Google Patents

A kind of super high seam descending slicing filling mining method Download PDF

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Publication number
CN107975372A
CN107975372A CN201711171318.6A CN201711171318A CN107975372A CN 107975372 A CN107975372 A CN 107975372A CN 201711171318 A CN201711171318 A CN 201711171318A CN 107975372 A CN107975372 A CN 107975372A
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China
Prior art keywords
filling
layer
working
seam
mining
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Pending
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CN201711171318.6A
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Chinese (zh)
Inventor
张吉雄
齐文跃
张强
周楠
孙凯
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN201711171318.6A priority Critical patent/CN107975372A/en
Publication of CN107975372A publication Critical patent/CN107975372A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/18Methods of underground mining; Layouts therefor for brown or hard coal
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings

Abstract

A kind of super high seam descending slicing filling mining method, includes the following steps:Super high seam is divided into according to 2.5~3.5m thickness be spaced apart be fully populated with layer and part filling layer;Using working from top down order, first exploitation is fully populated with layer:Layer arrangement solid filling working face is being fully populated with, top, bottom plate are laid with metal mesh and bamboo sheathing respectively, and blanking filling, the false top of manufacture of intraocular, false bottom are carried out in goaf;Part filling layer is exploited afterwards:Filling layer arranged for interval band fully-mechanized mining working and filling operation face in part, fill one every one, and the working face of adjacent part filling layer is staggered arrangement.It is of the invention effectively to control subsidence, resource recovery efficiency is improved, realizes mine sustainable development and green high-efficient exploitation.

Description

A kind of super high seam descending slicing filling mining method
Technical field
The present invention relates to the solid filling coal-mining method of huge thick pressure coal " under three ", especially a kind of super high seam descending slicing Filling mining method.
Background technology
With being continuously increased for mining depth, the Carboniferous System is thick, spy is thick and super high seam becomes the main of China's pit mining Coal resources.At present, exploited for " under three " super high seam, have separate zone production, top coal caving method, above-mentioned coal-mining method is equal Top plate is managed using caving method, serious destruction is caused to earth's surface, water source, ecological environment, against sustainable development and green The target and theory of exploitation;In addition, the methods of also limited thickness extrac tion, Striping noise, separation in reducing subsidence by grouting are exploited, although the guarantor to environment Shield plays a degree of protection, but its rate of extraction is low, production cost is high, causes the waste of vast resources.With filling The high speed development of production technique, filling coal mining technology are constantly applied in thick, special thick and super high seam exploitation, suppress rock stratum Movement, is effectively protected surface environment, improves resource recovery, but its technique is more complicated, low production efficiency.Cause This, research one kind can effectively control strata movement to protect while ground surface environment and improve super high seam back production " under three " The coal-mining method of efficiency is extremely urgent.
The content of the invention
In order to overcome the above-mentioned deficiency of the prior art, the present invention provides a kind of super high seam descending slicing mining with stowing side Method, can ensure " under three " or the special thick, lasting exploit of super high seam, while improve resource utilization and back production efficiency.
The present invention solves the technical solution that its technical problem uses:Include the following steps:1) by super high seam according to 2.5 ~3.5m thickness be divided into be spaced apart be fully populated with layer and part filling layer;2) working from top down order is used, first exploitation is complete Filling layer:Be fully populated with layer arrangement solid filling working face, top, bottom plate are laid with metal mesh and bamboo sheathing respectively, goaf into Row blanking fills, the false top of manufacture of intraocular, false bottom;3) part filling layer is exploited afterwards:In part filling layer arranged for interval band fully mechanized mining Working face and filling operation face, fill one every one, and the working face of adjacent part filling layer is staggered arrangement.
Compared with prior art, a kind of super high seam descending slicing filling mining method of the invention, is spaced apart using downlink Order is adopted, first exploitation is fully populated with layer, rear to exploit part filling layer;It is fully populated with interlayer and separates to adopt to manufacture for part filling layer Man-made False, false bottom, part filling layer are respectively arranged band fully mechanized mining and filling operation face, fill one every one, improve back production efficiency, Effectively suppress rock movement, there is low deflection, high usage, high-environmental, realize mine " under three " super high seam Sustainable development and green high-efficient exploitation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the exploitation schematic diagram of one embodiment of the invention.
Fig. 2 is I-I profile of Fig. 1 of the present invention.
Fig. 3 is II-II profile of Fig. 1 of the present invention.
Fig. 4 is III-III profile of Fig. 1 of the present invention.
Fig. 5 is first layer solid filling coal working face side view in one embodiment of the invention.
Fig. 6 is the 3rd Layered Solids filling coal mining working face side view in one embodiment of the invention.
Fig. 7 is the second Layered Solids filling coal mining working face side view in one embodiment of the invention.
Fig. 8 is the 4th layered tapes fully-mechanized mining working side view in one embodiment of the invention.
Fig. 9 is the 6th Layered Solids filling coal mining working face side view in one embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people Member's all other embodiments obtained without making creative work, belong to protection scope of the present invention.
Referring to Fig. 1, a kind of super high seam descending slicing filling mining method of the invention, includes the following steps:1) by spy High seam be divided into according to 2.5~3.5m thickness be spaced apart be fully populated with layer and part filling layer;2) it is suitable using working from top down Sequence, first exploitation are fully populated with layer:Layer arrangement solid filling working face is being fully populated with, top, bottom plate are laid with metal mesh and bamboo respectively Basketry, blanking filling, the false top of manufacture of intraocular, false bottom are carried out in goaf;3) part filling layer is exploited afterwards:At part filling layer interval Arrange band fully-mechanized mining working and filling operation face, fill one every one, the working face of adjacent part filling layer is staggered arrangement.
Fig. 1 to Fig. 9 shows the structure diagram of a preferred embodiment of the invention, the present embodiment super high seam downlink The stages of mining of layered portion solid filling mining codes is as follows:
A. the mining degree for adopting grade and permission of protection building is determined according to surface buildings norm for civil defense, is defined The limit of mining of super high seam;
B. according to the thickness of coal seam and roof and floor, hardness, physico-mechanical properties, by adopted super high seam according to 2.5~ 3.5m thickness is divided into the grade height being spaced apart and is fully populated with layer 3 and part filling layer 4;
C. working from top down order is used, first exploitation is fully populated with layer 3, rear to exploit part filling layer 4:
1) some solid filling coal working faces 15 of arrangement in layer 3 i.e. first layer 5 are fully populated with first, are being filled Metal mesh 13 and bamboo sheathing 14 are laid with respectively at 11 top plate of coal mining hydraulic support and bottom plate, by bottom-dump drag conveyor 12 to gold Belong to and blanking compacting filling is carried out among net 13 and bamboo sheathing 14, the false top of manufacture of intraocular, false bottom, solid filling coal working face is complete one by one Into filling mining, the exploitation of first layer 5 is just completed;
2) working face is removed to second and is fully populated with the layering of layer 3 the i.e. the 3rd 7, if arrangement dry solid is filled in the 3rd layering 7 Coal working face 15 is filled out, afterwards repeat step 1), complete the exploitation of the 3rd layering 7;
3) working face is removed to next and is fully populated with layer 3 and arranges solid filling coal working face 15 successively, repeats step It is rapid 1), until completing all to be fully populated with the seam minings of layer 3;(step 1) is to 3) referring to Fig. 5, Fig. 6)
4) working face is removed to first layering of part filling layer 4 i.e. second 6, and band fully mechanized mining is arranged first in the second layering 6 Working face 17, under the conditions of the Man-made False shielding that first layer 5 manufactures with the artificial false bottom of 7 manufacture of the 3rd layering, is completed comprehensive Adopt face exploitation;Then solid filling exploitation working face 15 is arranged in next working face, completion filling is tamped by blanking and is opened Adopt;Repetitive cycling operation, until 6 whole working faces of the second layering complete exploitation;
5) working face is removed to the layering of the second part filling layer 4 the i.e. the 4th 8, is staggered arrangement with second 6 working faces of layering, First arrange solid filling exploitation working face 15, then arrange band fully-mechanized mining working 17, repeat step 4) complete the 4th layering 8 Exploitation;
6) working face is removed to next part filling layer 4, repeat step 4 successively), complete whole part filling layers 4 Exploitation.(step 4) is to 6) referring to Fig. 7, Fig. 8 and Fig. 9)
In the present embodiment, be fully populated with layer 3 and the part filling layer 4 being spaced apart is suitable near horizontal or slow inclines Oblique coal seam.The thickness of the super high seam is 20m~50m.
The above, is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to According to the technical spirit of the present invention, any simple modification and equal change are made to above example, each falls within the guarantor of the present invention Within the scope of shield.

Claims (6)

1. a kind of super high seam descending slicing filling mining method, it is characterized in that, include the following steps:1) by super high seam according to 2.5~3.5m thickness be divided into be spaced apart be fully populated with layer and part filling layer;2) working from top down order is used, has first been exploited Full-filling layer:Layer arrangement solid filling working face is being fully populated with, top, bottom plate are laid with metal mesh and bamboo sheathing respectively, in goaf Carry out blanking filling, the false top of manufacture of intraocular, false bottom;3) part filling layer is exploited afterwards:In part, filling layer arranged for interval band is comprehensive Mining face and filling operation face, fill one every one, and the working face of adjacent part filling layer is staggered arrangement.
2. a kind of super high seam descending slicing filling mining method according to claim 2, it is characterized in that:The step 1) It is to be divided according to the thickness of coal seam and roof and floor, hardness, physico-mechanical properties, and before step 1), first defines special thickness The limit of mining in coal seam.
3. a kind of super high seam descending slicing filling mining method according to claim 1 or 2, it is characterized in that:It is described complete The recovery process of full-filling layer (3) is:
1) some solid filling coal working faces (15) of arrangement in layer (3) i.e. first layer (5) are fully populated with first, are being filled Fill out at the top and bottom of coal mining hydraulic support (11) and be laid with metal mesh (13) and bamboo sheathing (14) respectively, conveyed by bottom-dump scraper plate Machine (12) is filled to progress blanking compacting among metal mesh (13) and bamboo sheathing (14), the false top of manufacture of intraocular, vacation bottom, and solid fills one by one Fill out coal working face and complete filling mining, just complete the exploitation of first layer (5);
2) working face is removed to second and is fully populated with the layering of layer (3) the i.e. the 3rd (7), in the 3rd layering (7) if interior arrangement dry solid Filling coal mining working face (15), afterwards repeat step 1), complete the exploitation of the 3rd layering (7);
3) working face is removed to next and is fully populated with layer (3) and arranges solid filling coal working face (15) successively, repeats step It is rapid 1), until completing all to be fully populated with the seam minings of layer (3).
4. a kind of super high seam descending slicing filling mining method according to claim 3, it is characterized in that:The part is filled The recovery process of packing course (4):
1) working face is removed to first part filling layer (4) i.e. second and is layered (6), arranges that band is comprehensive first in the second layering (6) Mining face (17), the Man-made False manufactured in first layer (5) with the 3rd layering (7) for the second layering (6), the condition at false bottom Under, complete fully mechanized coal face exploitation;Then solid filling exploitation working face (15) is arranged in next working face, is tamped by blanking Complete filling mining;Repetitive cycling operation, until the whole working faces of the second layering (6) complete exploitation;
2) working face is removed to the second part filling layer (4) the i.e. the 4th and is layered (8), and working face is staggered cloth between the second layering (6) Put, i.e., first arrange solid filling exploitation working face (15), then arrange band fully-mechanized mining working (17), repeat step 1) complete the 4th It is layered the exploitation of (8);
3) working face is removed to next part filling layer (4), repeat step 1 successively), complete whole part filling layers (4) Exploitation.
5. a kind of super high seam descending slicing filling mining method according to claim 1 or 2, it is characterized in that:Described Layer (3) and part filling layer (4) are fully populated with suitable for nearly horizontal or gently inclined seam every distribution.
6. a kind of super high seam descending slicing filling mining method according to claim 1 or 2, it is characterized in that:The spy The thickness of high seam is 20m~50m.
CN201711171318.6A 2017-11-22 2017-11-22 A kind of super high seam descending slicing filling mining method Pending CN107975372A (en)

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PCT/CN2018/112294 WO2019100906A1 (en) 2017-11-22 2018-10-29 Downward filling mining method for extra-thick coal seam

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN108461030A (en) * 2018-05-17 2018-08-28 中国矿业大学(北京) A kind of teaching simulating device of thick seam slicing system
CN108716401A (en) * 2018-06-28 2018-10-30 中国矿业大学 A kind of thick sandstone separate zone production method
CN108825237A (en) * 2018-06-01 2018-11-16 中国煤炭科工集团太原研究院有限公司 A kind of special thick coal continuous milling machine divides excavating technology with the layering combined is filled
CN109577979A (en) * 2018-12-10 2019-04-05 金川集团股份有限公司 To sublevel fill-mining method under a kind of high-ground stress large size ore body
WO2019100906A1 (en) * 2017-11-22 2019-05-31 中国矿业大学 Downward filling mining method for extra-thick coal seam
CN110318803A (en) * 2019-07-12 2019-10-11 中国矿业大学 A kind of formula interval placement method using granular media filler
CN111088979A (en) * 2019-12-03 2020-05-01 南华大学 Downward access filling mining method

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CN103306720A (en) * 2013-05-20 2013-09-18 中国矿业大学 Inclined separated layer solid filling coal mining method for super thick coal seam
CN104832178A (en) * 2015-03-23 2015-08-12 中国矿业大学 A layering and partially filling coal mining method of thick seams
CN105971606A (en) * 2016-05-05 2016-09-28 湖南科技大学 Extremely-thick coal seam longwall working face mining method
CN106014410A (en) * 2016-06-21 2016-10-12 中南大学 Filling mining method for downward access part

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CN106194187A (en) * 2016-08-04 2016-12-07 安徽理工大学 A kind of coal winning technology of special thick weak seam separate zone production
CN107975372A (en) * 2017-11-22 2018-05-01 中国矿业大学 A kind of super high seam descending slicing filling mining method

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CN102011588A (en) * 2010-11-30 2011-04-13 淄博市王庄煤矿 House pillar type cutting and filling method of medium coal seam for controlling movement deformation of overlying rock
CN103306720A (en) * 2013-05-20 2013-09-18 中国矿业大学 Inclined separated layer solid filling coal mining method for super thick coal seam
CN104832178A (en) * 2015-03-23 2015-08-12 中国矿业大学 A layering and partially filling coal mining method of thick seams
CN105971606A (en) * 2016-05-05 2016-09-28 湖南科技大学 Extremely-thick coal seam longwall working face mining method
CN106014410A (en) * 2016-06-21 2016-10-12 中南大学 Filling mining method for downward access part

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019100906A1 (en) * 2017-11-22 2019-05-31 中国矿业大学 Downward filling mining method for extra-thick coal seam
CN108461030A (en) * 2018-05-17 2018-08-28 中国矿业大学(北京) A kind of teaching simulating device of thick seam slicing system
CN108461030B (en) * 2018-05-17 2020-04-17 中国矿业大学(北京) Teaching simulation device for layered mining of thick coal seam
CN108825237A (en) * 2018-06-01 2018-11-16 中国煤炭科工集团太原研究院有限公司 A kind of special thick coal continuous milling machine divides excavating technology with the layering combined is filled
CN108825237B (en) * 2018-06-01 2019-10-11 中国煤炭科工集团太原研究院有限公司 A kind of special thick coal continuous milling machine divides excavating technology with the layering combined is filled
CN108716401A (en) * 2018-06-28 2018-10-30 中国矿业大学 A kind of thick sandstone separate zone production method
CN109577979A (en) * 2018-12-10 2019-04-05 金川集团股份有限公司 To sublevel fill-mining method under a kind of high-ground stress large size ore body
CN110318803A (en) * 2019-07-12 2019-10-11 中国矿业大学 A kind of formula interval placement method using granular media filler
CN111088979A (en) * 2019-12-03 2020-05-01 南华大学 Downward access filling mining method
CN111088979B (en) * 2019-12-03 2021-05-04 南华大学 Downward access filling mining method

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