CN1963149A - Mining method for replacement of banded coal under building by waste rock - Google Patents
Mining method for replacement of banded coal under building by waste rock Download PDFInfo
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- CN1963149A CN1963149A CN 200610097687 CN200610097687A CN1963149A CN 1963149 A CN1963149 A CN 1963149A CN 200610097687 CN200610097687 CN 200610097687 CN 200610097687 A CN200610097687 A CN 200610097687A CN 1963149 A CN1963149 A CN 1963149A
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Abstract
The bone coal displacement strip coal block exploration under an architecture, concentrically sets 3-5 bone coals filling lane at the center of each strip coal block, based on the buried depth, width, laminated rock structure and protective degree required by the architecture build on the surface of each strip coal block, advancing coal mining for the 3-5 bone coals filling lane and then filling bone coals from the interior to the exterior inside the lane that has dug out coals. Ensuring the safety of the architectures, filling the displacement coal with bone coals, it can realize exploration rate no less than 20%, the total recovery rate of the strip mining area no less than 65%; Filling the mine with bone coals dug out can not only eliminates the bone coals on the land, reduces the encroachment of farmland, mitigates air and environmental pollution, gets rid of bone coal landslide or explosion and other hidden accidents that may affects the human life but also using bone coals working as the underground support of the mine and realizing second partial recovery for strip coal blocks under the architectures.
Description
Technical field
The present invention relates to the method for band exploitation protection coal column spoil replacement exploitation under a kind of spoil replacement exploitation method, the especially building.
Background technology
A large amount of coal resources are overstocking in China's " three times " (under the building under " be called for short ' building down ' ", the railway, under the water body).According to statistics, the present China only mine main of coal mine under the unified-allocation system " three times " presses coal just to reach 137.9 hundred million t, wherein builds down 94.68 hundred million t, accounts for 69% of stagnation pressure coal amount.Because surface movement and deformation that underground mining produced makes building be stretched, compress and the effect of additional force such as bending, when the distortion of these additional forces generations surpasses the distortion of building permission, building will suffer destruction in various degree, sometimes even can collapse.At present, be the protection surface buildings, build down the exploitation of coal resources and generally adopt band to exploit (hereinafter to be referred as " bar is adopted "), but its rate of extraction low (being generally about 40%), serious waste of resources.
Simultaneously, be accompanied by the discharging of a large amount of solid waste spoils in the coal production, its traditional processing mode is to be carried to accumulation on ground surface by the down-hole, forms the distinctive topographical features in colliery " building " hillock.According to incompletely statistics, about 4,500,000,000 t of gangue of whole nation accumulative total stacking over the years at present, larger hillock has more than 1600, about 1.5 ten thousand hectares of land occupation, and also accumulating amount also increases with the speed of 1.5～2.0 hundred million t every year.The discharging spoil brings very big threat and harm to existent environment of people and condition, mainly shows: appropriation of land; Contaminated environment; Harm humans safety.
Therefore, how under the prerequisite that guarantees surface buildings safety, solve bar coal mining post partially recycled and spoil (comprise from down-hole rock and coal rock drift road, chamber tunnel go out spoil and ground washing spoil) handling problem become the great technical barrier of coal mining.
Summary of the invention
The purpose of this invention is to provide band exploitation protection coal column spoil replacement exploitation method under a kind of building.
For achieving the above object, band exploitation protection coal column spoil replacement exploitation method is under the building of the present invention:
(1) protection class that requires according to the buried depth of strip coal pillar, width, overlying strata structure and surface buildings is in each strip coal pillar central authorities 3～5 waste filling lane of centralized arrangement;
(2) to 3～5 waste filling lanes earlier driving mine filling waste rock from inside to outside in the tunnel of extraction coal then.
The lanewidth in 3～5 waste filling lanes of described each strip coal pillar central authorities centralized arrangement is 3.5～5.0m, and the lane is high identical with coal seam thickness, and coal pillar width is 4.0～6.0m between the filling lane.
Described driving to 3～5 waste filling lanes tunnels Centromedian one earlier, behind the coal in the extraction lane, waste filling is carried out in this tunnel, tunneled the waste filling lane of next strip coal pillar central authorities simultaneously, by that analogy, until the exploitation of finishing last strip coal pillar and filling; And then, tunnel the waste filling lane of each strip coal pillar the same side successively from first strip coal pillar, and carrying out the displacement of spoil and coal, the driving in 3～5 waste filling lanes in finishing each strip coal pillar is mined and waste filling.
The invention has the beneficial effects as follows: the control above ground structure is in the surface deformable scope that allows, in band coal mining post, arrange the waste filling lane, with waste filling replacement exploitation coal, band coal resources under surface plant, the building are implemented secondary recovery, can realize that bar coal mining post spoil replacement exploitation coal resources are not less than 20%, territory, bar exploiting field resource amounts to the rate of recovery and is not less than 65%; Can guarantee the safe handling of surface buildings; Can realize the whole digging gangues of mine, part ground spoil in the filling treatment of down-hole, the pollution of effectively avoiding face of land spoil to pile up; Realize that disposal cost is lower than floor treatment under the waste shaft, and (comprehensive benefit in 4.0 * 5.0m) is not less than 7000.0 yuan/m in the filling lane.Through the mining area type approval test, obtained good effect, not only eliminated the ground hillock, reduced and occupy the farmland, reduce atmosphere and environment pollution, elimination hillock are caved in or ignite the accident potential that jeopardizes the mankind; And can solve or reduce on the basis of the surface settlement and the problem of subsiding with the direct underground filling of spoil as the underground structure supporter, the realization recovery section is built down coal resources.
Description of drawings
Fig. 1 is that section and digging sequential schematic are arranged in replacement exploitation waste filling of the present invention lane.
Fig. 2 is replacement exploitation waste filling lane plane of arrangement of the present invention and digging sequential schematic.
Among the figure: a-waste filling lane; B-waste filling master lane
1-strip coal pillar 1; 2-strip coal pillar 2; 3-strip coal pillar 3.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
The exploitation method of replacement of banded coal under building by waste rock of the present invention is carried out the driving of waste filling lane b earlier, treats that its driving finishes and removes during the driving behind the device therefor, carries out the waste filling apparatus arrangement again, progressively carries out waste filling from inside to outside and handles.After waiting to be fills up to waste filling master lane, carry out shutoff with the cement walling.As shown in Figure 1; the buried depth of strip coal pillar 1,2,3 is 290m; width is 50m; the protection class that overlying strata structure and surface buildings require is the I level; centralized arrangement 3 the waste filling lanes d of each strip coal pillar central authorities (if; filling lane design of section is a rectangle, and lanewidth is generally that coal pillar width is 4.0～6.0m between 3.5～5.0m (lane high identical with coal seam thickness), filling lane.Driving is implemented earlier in 3 waste filling lanes mined, then filling waste rock from inside to outside in the tunnel of extraction coal.For exploitation back surface deformable is effectively controlled, when the spoil replacement exploitation reclaims bar coal mining post, adopt the pick mode of jumping, its order as shown in Figure 2,
1. three strip coal pillar replacement exploitations in proper order: strip coal pillar 1 → strip coal pillar 3 → strip coal pillar 2.
2. the initial stage is dug a waste filling lane of central authorities earlier in each strip coal pillar, and carries out filling subsequently, and order is: 12 → 32 → 22 → 11 → 31 → 21 → 13 → 33 → 23.
3. the waste filling lane is with digging with filling.
Promptly waste filling behind the coal in the extraction lane, is carried out to this tunnel in first waste filling lane of driving centre, tunnels the waste filling lane of next strip coal pillar central authorities simultaneously, by that analogy, and until the exploitation of finishing last strip coal pillar and filling; And then, tunnel the waste filling lane of each strip coal pillar the same side successively from first strip coal pillar, and carrying out the displacement of spoil and coal, the driving in 3 waste filling lanes in finishing each strip coal pillar is mined and waste filling.
Waste filling technology is as follows: the spoil mine car pushes dumptruct through car puller, and dumptruct turns over cash and is stored in waste bin, goes into feeder by the waste bin end opening, and gangue reprint is transported to filling machine to adhesive tape conveyor, is filled in the filling lane 4 by filling machine.
Claims (3)
1. the exploitation method of a replacement of banded coal under building by waste rock is characterized in that:
(1) protection class that requires according to the buried depth of strip coal pillar, width, overlying strata structure and surface buildings is in each strip coal pillar central authorities 3～5 waste filling lane of centralized arrangement;
(2) to 3～5 waste filling lanes earlier driving mine filling waste rock from inside to outside in the tunnel of extraction coal then.
2. the exploitation method of replacement of banded coal under building by waste rock according to claim 1, it is characterized in that: the lanewidth in 3～5 waste filling lanes of described each strip coal pillar central authorities centralized arrangement is 3.5～5.0m, the lane is high identical with coal seam thickness, and coal pillar width is 4.0～6.0m between the filling lane.
3. the exploitation method of replacement of banded coal under building by waste rock according to claim 1 and 2, it is characterized in that: described driving to 3～5 waste filling lanes tunnels Centromedian one earlier, behind the coal in the extraction lane, waste filling is carried out in this tunnel, tunnel the waste filling lane of next strip coal pillar central authorities simultaneously, by that analogy, until the exploitation of finishing last strip coal pillar and filling; And then, tunnel the waste filling lane of each strip coal pillar the same side successively from first strip coal pillar, and carrying out the displacement of spoil and coal, the driving in 3～5 waste filling lanes in finishing each strip coal pillar is mined and waste filling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100976870A CN1963149B (en) | 2006-11-17 | 2006-11-17 | Mining method for replacement of banded coal under building by waste rock |
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| CN2006100976870A CN1963149B (en) | 2006-11-17 | 2006-11-17 | Mining method for replacement of banded coal under building by waste rock |
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| CN1963149A true CN1963149A (en) | 2007-05-16 |
| CN1963149B CN1963149B (en) | 2011-09-14 |
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Cited By (27)
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| CN101806216A (en) * | 2010-04-06 | 2010-08-18 | 李鹏飞 | Sandy soil backfill type coal mining method |
| CN101586460B (en) * | 2009-06-02 | 2011-03-30 | 中国矿业大学 | Coal mining solid filling method |
| CN101424195B (en) * | 2008-01-23 | 2011-08-31 | 王岩 | Method for digging gangue and filling tunnel for coal mine coal-rock drift |
| CN102392643A (en) * | 2011-11-17 | 2012-03-28 | 中国矿业大学 | Under-building filling, mining and coal pillar recovering method |
| CN102392644A (en) * | 2010-11-30 | 2012-03-28 | 淄博市王庄煤矿 | Stripped fluid expansion filling mining method for below middle thick coal seam |
| CN102587914A (en) * | 2012-03-19 | 2012-07-18 | 河南理工大学 | Strip-type Wongawilli mining method of coal buried under building |
| CN102748026A (en) * | 2012-05-22 | 2012-10-24 | 山东科技大学 | Short-wall-box-type coal mining method |
| CN102943674A (en) * | 2012-11-14 | 2013-02-27 | 山东科技大学 | Gangue bag filling method in thin coal seam wide roadway tunneling under tight roof |
| CN102996134A (en) * | 2012-11-22 | 2013-03-27 | 山东科技大学 | Roadway advancing method for realizing grouting consolidation and reserving small coal pillars |
| CN103291303A (en) * | 2013-06-27 | 2013-09-11 | 山东科技大学 | Mining method of settled strip coal pillars |
| CN103437765A (en) * | 2013-07-19 | 2013-12-11 | 中国矿业大学(北京) | Coal mine rock stratum mobile control mining-filling-preserving coupled coordination mining method |
| CN103628876A (en) * | 2013-11-06 | 2014-03-12 | 中国矿业大学(北京) | Harmonious mining method for block-type dip stripes in deep spanned mining areas of steep inclined seam |
| CN103993882A (en) * | 2014-05-26 | 2014-08-20 | 中国矿业大学 | Method for replacing strip coal pillars by means of grouting in collapse area |
| CN104775817A (en) * | 2015-03-05 | 2015-07-15 | 内蒙古裕兴矿业有限公司 | All-negative pressure continuous-mining continuous-filling step-by-step replacement mining method for coal underneath cities and towns, industrial buildings, railways and other buildings |
| CN104879127A (en) * | 2015-04-24 | 2015-09-02 | 中国矿业大学 | Method for replacing coal column by floor heaving top connecting |
| CN105422099A (en) * | 2015-12-11 | 2016-03-23 | 太原理工大学 | Method for completely filling two sides of pillars with repeated mining and residual mining area remaining coal pillars |
| CN106014412A (en) * | 2016-06-24 | 2016-10-12 | 太原理工大学 | Method for ladder-structured filling and re-mining of remnant coal pillar groups in remnant mining areas |
| CN106150502A (en) * | 2016-06-24 | 2016-11-23 | 太原理工大学 | The method of coal column group is left in a kind of multistage ladder type construction residual exploiting field of filling second mining |
| CN103437765B (en) * | 2013-07-19 | 2016-11-30 | 中国矿业大学(北京) | " adopt to fill and stay " coupling harmonic extraction method that colliery strata movement controls |
| WO2017101634A1 (en) * | 2015-12-14 | 2017-06-22 | 中国矿业大学 | Fully mechanized mining-filling mixed mining working face filling section length determination method |
| CN107575229A (en) * | 2017-09-26 | 2018-01-12 | 山东科技大学 | A kind of class house pillar type coal mining method cut top filling and close on goaf |
| CN108757023A (en) * | 2018-07-09 | 2018-11-06 | 中国矿业大学 | A method of exploiting displacement coal column using spoil strip filling |
| CN110374598A (en) * | 2019-07-22 | 2019-10-25 | 中国矿业大学 | The method of artificial ore pillar collaboration waste filling displacement surface plant protection coal pillar |
| CN112282836A (en) * | 2020-10-22 | 2021-01-29 | 陕西中建永鑫建设工程有限公司 | Gangue filling material, filling method and mine filling system |
| CN113266357A (en) * | 2021-07-01 | 2021-08-17 | 天津美腾科技股份有限公司 | Tunneling process for combining and replacing coal pillar in longwall retreating coal mining crossheading tunneling |
| CN113738438A (en) * | 2021-09-15 | 2021-12-03 | 河南理工大学 | Coal pillar recovery and gangue filling integrated green mining method |
| CN114183140A (en) * | 2021-12-07 | 2022-03-15 | 山东科技大学 | Mining and filling method for coal pillar in advanced replacement section |
Family Cites Families (1)
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| CN1483921A (en) * | 2002-09-18 | 2004-03-24 | 杨新兴 | Cavern filling type coal mining method |
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2006
- 2006-11-17 CN CN2006100976870A patent/CN1963149B/en not_active Expired - Fee Related
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| CN101424195B (en) * | 2008-01-23 | 2011-08-31 | 王岩 | Method for digging gangue and filling tunnel for coal mine coal-rock drift |
| CN101586460B (en) * | 2009-06-02 | 2011-03-30 | 中国矿业大学 | Coal mining solid filling method |
| CN101806216A (en) * | 2010-04-06 | 2010-08-18 | 李鹏飞 | Sandy soil backfill type coal mining method |
| CN102392644A (en) * | 2010-11-30 | 2012-03-28 | 淄博市王庄煤矿 | Stripped fluid expansion filling mining method for below middle thick coal seam |
| CN102392643A (en) * | 2011-11-17 | 2012-03-28 | 中国矿业大学 | Under-building filling, mining and coal pillar recovering method |
| CN102392643B (en) * | 2011-11-17 | 2014-01-15 | 中国矿业大学 | Under-building filling, mining and coal pillar recovering method |
| CN102587914A (en) * | 2012-03-19 | 2012-07-18 | 河南理工大学 | Strip-type Wongawilli mining method of coal buried under building |
| CN102748026A (en) * | 2012-05-22 | 2012-10-24 | 山东科技大学 | Short-wall-box-type coal mining method |
| CN102748026B (en) * | 2012-05-22 | 2015-02-11 | 山东科技大学 | Short-wall-box-type coal mining method |
| CN102943674A (en) * | 2012-11-14 | 2013-02-27 | 山东科技大学 | Gangue bag filling method in thin coal seam wide roadway tunneling under tight roof |
| CN102943674B (en) * | 2012-11-14 | 2015-09-16 | 山东科技大学 | Thin coal seam wide roadway digging gangue bag placement method under a kind of tight roof |
| CN102996134A (en) * | 2012-11-22 | 2013-03-27 | 山东科技大学 | Roadway advancing method for realizing grouting consolidation and reserving small coal pillars |
| CN102996134B (en) * | 2012-11-22 | 2015-04-15 | 山东科技大学 | Roadway advancing method for realizing grouting consolidation and reserving small coal pillars |
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| CN103437765A (en) * | 2013-07-19 | 2013-12-11 | 中国矿业大学(北京) | Coal mine rock stratum mobile control mining-filling-preserving coupled coordination mining method |
| CN103437765B (en) * | 2013-07-19 | 2016-11-30 | 中国矿业大学(北京) | " adopt to fill and stay " coupling harmonic extraction method that colliery strata movement controls |
| CN103628876A (en) * | 2013-11-06 | 2014-03-12 | 中国矿业大学(北京) | Harmonious mining method for block-type dip stripes in deep spanned mining areas of steep inclined seam |
| CN103628876B (en) * | 2013-11-06 | 2018-03-02 | 中国矿业大学(北京) | Across the exploiting field block formula tendency band harmonic extraction method in half-edge coal seam deep |
| CN103993882A (en) * | 2014-05-26 | 2014-08-20 | 中国矿业大学 | Method for replacing strip coal pillars by means of grouting in collapse area |
| CN104775817A (en) * | 2015-03-05 | 2015-07-15 | 内蒙古裕兴矿业有限公司 | All-negative pressure continuous-mining continuous-filling step-by-step replacement mining method for coal underneath cities and towns, industrial buildings, railways and other buildings |
| CN104775817B (en) * | 2015-03-05 | 2016-12-28 | 路彬 | Full negative pressure Lian Cailian fills step-by-step replacement railways and water-bodies method |
| CN104879127B (en) * | 2015-04-24 | 2017-03-15 | 中国矿业大学 | A kind of pucking connects the method that overhead changes coal column |
| CN104879127A (en) * | 2015-04-24 | 2015-09-02 | 中国矿业大学 | Method for replacing coal column by floor heaving top connecting |
| CN105422099A (en) * | 2015-12-11 | 2016-03-23 | 太原理工大学 | Method for completely filling two sides of pillars with repeated mining and residual mining area remaining coal pillars |
| WO2017101634A1 (en) * | 2015-12-14 | 2017-06-22 | 中国矿业大学 | Fully mechanized mining-filling mixed mining working face filling section length determination method |
| CN106150502A (en) * | 2016-06-24 | 2016-11-23 | 太原理工大学 | The method of coal column group is left in a kind of multistage ladder type construction residual exploiting field of filling second mining |
| CN106014412A (en) * | 2016-06-24 | 2016-10-12 | 太原理工大学 | Method for ladder-structured filling and re-mining of remnant coal pillar groups in remnant mining areas |
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| CN106014412B (en) * | 2016-06-24 | 2018-05-04 | 太原理工大学 | The method that coal column group is left in a kind of residual exploiting field of ladder type construction filling second mining |
| CN107575229A (en) * | 2017-09-26 | 2018-01-12 | 山东科技大学 | A kind of class house pillar type coal mining method cut top filling and close on goaf |
| CN108757023A (en) * | 2018-07-09 | 2018-11-06 | 中国矿业大学 | A method of exploiting displacement coal column using spoil strip filling |
| CN110374598A (en) * | 2019-07-22 | 2019-10-25 | 中国矿业大学 | The method of artificial ore pillar collaboration waste filling displacement surface plant protection coal pillar |
| CN110374598B (en) * | 2019-07-22 | 2021-03-02 | 中国矿业大学 | Method for replacing industrial square protective coal pillar by artificial ore pillar in cooperation with gangue filling |
| CN112282836A (en) * | 2020-10-22 | 2021-01-29 | 陕西中建永鑫建设工程有限公司 | Gangue filling material, filling method and mine filling system |
| CN113266357A (en) * | 2021-07-01 | 2021-08-17 | 天津美腾科技股份有限公司 | Tunneling process for combining and replacing coal pillar in longwall retreating coal mining crossheading tunneling |
| CN113738438A (en) * | 2021-09-15 | 2021-12-03 | 河南理工大学 | Coal pillar recovery and gangue filling integrated green mining method |
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