CN103573268A - Upward horizontal layered filling mining method of stress arch continuous mining - Google Patents
Upward horizontal layered filling mining method of stress arch continuous mining Download PDFInfo
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- CN103573268A CN103573268A CN201210275971.8A CN201210275971A CN103573268A CN 103573268 A CN103573268 A CN 103573268A CN 201210275971 A CN201210275971 A CN 201210275971A CN 103573268 A CN103573268 A CN 103573268A
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Abstract
The invention discloses an upward horizontal layered filling mining method of stress arch continuous mining, which is applicable to a thick and large broken metal ore deposit with unstable hanging side surrounding rocks. The method is characterized by comprising the following steps: dividing an ore body into panels along a cross pitch; dividing the panels into sections, wherein the vertical height of the sections is 10m, the height of the panels is 40m-60m, and a temporary spacing column with height of 6m-8m is kept between each two adjacent panels; dividing the panels into continuous ore rooms with width of 6m-12m; according to an ore room stoping order, performing stoping on the ore rooms in the centers of the panels, and continuously mining the ore rooms on two sides in a shape of stress arch, wherein the former mined ore room is earlier than the later mined ore room by at least one section; filling all the stoping joint tops in the panels, and then mining the temporary spacing columns by an upward routing method, wherein a filling and air-returning courtyard is shared by two ore rooms beside the central ore room, and no bottom column is remained on the lower part of a stope; and constructing a reinforced concrete false bottom on a base plate after stoping, uniformly performing stoping on support columns of the upper part after stoping of the stopes in the middle sections, and performing cemented filling. The upward horizontal layered filling mining method has the significant characteristics of small resource loss and the like.
Description
Technical field
The invention belongs to mining technique field, relate to a kind of stress arch exploitation upward horizontal slice method of mining by the way of filling continuously, the method is mainly applicable to the safety and high efficiency of the weak-walled thick large broken metalliferous deposit of dish.
Background technology
The current exploitation for the weak-walled thick large breaking ore body of upper dish, by coiling thereon built on the sand, it is as far as possible little that upper dish allows exposed area to require, for such ore body great majority, adopt the upward horizon method of mining by the way of filling exploitation of minute mineral building ore pillars to reduce upper dish exposed area, yet all there is connecing after mineral building back production the rock strength that effect bad and filling water in top weakens ore pillar for a long time, cause the defect that Pillar mining difficulty is large.
Summary of the invention
The technical problem to be solved in the present invention is for the weak-walled thick large breaking ore body of upper dish, proposes a kind of stress arch safe and efficient, that the poor damage of resource is little and exploits continuously the upward horizontal slice method of mining by the way of filling.Technical solution of the present invention is as follows:
(1) by ore body division, be panel, between panel, stay wider interim studding, in panel, divide continuous mineral building, mineral building stopping sequence is the first back production of the most central mineral building in panel, the mineral building on both sides is thereupon and seemingly should exploits continuously by power arcuation, first at least one segmentation of mineral building of the leading rear exploitation of mineral building of exploitation, adopts above and exploits interim studding to route method again after all continuous mineral building back production top tight fillings in panel;
(2) panel adopts the trackless Preparatory work mode of the outer segmentation haulage way of lower wall arteries and veins and drop shaft.Segmentation haulage way is arranged on parallel ore bodies lower wall border, and each segmentation haulage way communicates with main ramp by connecting taxiway.Slice stoping connecting taxiway is connected segmentation haulage way with stope, drop shaft connection roadway and drop shaft are connected, thereby form the outer trackless of panel lower wall arteries and veins, adopts Barebone;
(3) stope support place is stope top board, adopts pipe-seam type anchor rod supporting, adopts scraper ore removal, through layering access road and segmentation haulage way, pours drop shaft into;
(4) stope is fresh distinguished and admirablely enters segmentation haulage way by main ramp, through layering access road, enters stope, and after cleaning face, dirty wind is through filling return air raise to tailgate, and two other mineral buildings of central mineral building share a filling return air raise;
(5) stope bottom shrink stone foundation is not constructed reinforced concrete artificial bottom on base plate after back production, and fore-set is stayed on top, unified back production after each stope mining of stage casing finishes;
(6) stope mining complete after, in layering access road, build filling counterfort by laying bricks or stones, from filling return air raise to goaf filling, in panel, back production unit all adopts consolidated fill.
Accompanying drawing explanation
Fig. 1 is mining methods structural representation of the present invention
Fig. 2 is B-B sectional drawing of Fig. 1
Fig. 3 is C-C sectional drawing of Fig. 1
In figure: 1-level haulage gallery, 2-drop shaft, 3-segmentation haulage way, 4-drop shaft connecting taxiway, 5-layering connecting taxiway, 6-filling return air raise, 7-tailgate, 8-ventilating shaft connecting taxiway, 9-cemented fill, 10-fore-set, 11-artificial false bottom, 12-interim studding.
The specific embodiment
The concrete use case of the mining methods that the present invention proposes is:
(1) ore body across pitch is divided into panel, extent sizes is 43m * 50m, and the long 43m in panel is highly 50m, and height of lift is 10m.Between panel, stay the interim studding 12 of 8m, in panel, divide five continuous mineral buildings, each mineral building width is 7m, mineral building stopping sequence is the first back production of the most central mineral building in panel, the mineral building on both sides is thereupon and seemingly should exploits continuously by power arcuation, first at least one segmentation of mineral building of the leading rear exploitation of mineral building of exploitation, adopts above and exploits interim studding to route method again after all continuous mineral building back production top tight fillings in panel;
(2) segmentation haulage way 3 is arranged on parallel ore bodies lower wall border, and each segmentation haulage way communicates with main ramp by connecting taxiway.Slice stoping connecting taxiway 5 is connected segmentation haulage way with stope, at level haulage gallery 1 side driving drop shaft 2, drop shaft connection roadway 4 is connected with drop shaft simultaneously, thereby form the outer trackless of panel lower wall arteries and veins, adopts Barebone;
(3) stope support place is stope top board, adopts pipe-seam type anchor rod supporting, adopts scraper ore removal, through layering access road and segmentation haulage way, pours drop shaft into;
(4) stope is fresh distinguished and admirablely enters segmentation haulage way by main ramp, through layering access road, enter stope, after cleaning face, dirty wind by filling return air raise 6 through ventilating shaft connecting taxiway 8 to tailgate 7, two other mineral buildings of central mineral building share a filling return air raise;
(3) stope bottom shrink stone foundation is not constructed the false end 11 of REINFORCED CONCRETE ARTIFICIAL on base plate after back production, fore-set 10 is stayed on top, unified back production after each stope mining of stage casing finishes;
(6) stope mining complete after, in layering access road, build filling counterfort by laying bricks or stones, from filling return air raise to goaf filling, in panel, back production unit filling slurry all adopts cemented fill 9.
This method is safe and efficient, the poor damage of resource is little, and a kind of stress arch that is specially adapted to the weak-walled thick large broken metalliferous deposit of dish is exploited the upward horizontal slice method of mining by the way of filling continuously.
Claims (1)
1. ore body across pitch is divided into panel, in panel, divide segmentation, the segmentation high 10m that hangs down, high 40 ~ the 60m in panel, between panel, stay the interim studding of 6 ~ 8m, in panel, dividing wide is the continuous mineral building of 6 ~ 12m, mineral building stopping sequence is the first back production of the most central mineral building in panel, the mineral building on both sides is thereupon and seemingly should exploits continuously by power arcuation, first at least one segmentation of mineral building of the leading rear exploitation of mineral building of exploitation, in panel, after all mineral building back production top tight fillings, adopt above and exploit interim studding to route method again, two other mineral buildings of central authorities' mineral building share a filling return air raise, the stope bottom post of not keeping on file, after back production, on base plate, construct reinforced concrete artificial bottom, top fore-set is unified back production after each stope mining of stage casing is complete, all adopt consolidated fill.
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Cited By (14)
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CN104100270A (en) * | 2014-06-13 | 2014-10-15 | 贵州开磷(集团)有限责任公司 | Trackless mining method for gently inclined ore vein |
CN104533422A (en) * | 2014-12-18 | 2015-04-22 | 招金矿业股份有限公司夏甸金矿 | Noble metal mine pillar recovery method and timbering framework |
CN104712337A (en) * | 2015-02-25 | 2015-06-17 | 韦立坚 | Mining method |
CN105863641A (en) * | 2016-04-21 | 2016-08-17 | 西北矿冶研究院 | Medium-thickness gentle-inclination broken ore body chamber column type upward horizontal layered filling mining method |
CN106761756A (en) * | 2015-11-19 | 2017-05-31 | 中钢集团马鞍山矿山研究院有限公司 | A kind of stope structure for Upward slicing all-tailing cemented filling method |
CN106761912A (en) * | 2015-11-19 | 2017-05-31 | 中钢集团马鞍山矿山研究院有限公司 | It is a kind of be suitable for unstable formation efficiently on to route slicing and filling mining methods |
CN108071397A (en) * | 2017-12-06 | 2018-05-25 | 广西大学 | Filling-up method based on coagulation handwoven cloth coagulating property |
CN108590650A (en) * | 2018-04-28 | 2018-09-28 | 山东科技大学 | A kind of ore pillar and top plate slowly sink the method in processing goaf |
CN108661648A (en) * | 2018-05-15 | 2018-10-16 | 山东黄金矿业(莱州)有限公司三山岛金矿 | A kind of mining methods of slant middle thick orebody |
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CN110905579A (en) * | 2019-12-04 | 2020-03-24 | 江西理工大学 | Ventilation structure and ventilation method for downward layered cemented filling stope |
CN111894592A (en) * | 2020-08-05 | 2020-11-06 | 长沙矿山研究院有限责任公司 | Wall column type upward horizontal layered filling mining method |
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CN104100270A (en) * | 2014-06-13 | 2014-10-15 | 贵州开磷(集团)有限责任公司 | Trackless mining method for gently inclined ore vein |
CN104533422A (en) * | 2014-12-18 | 2015-04-22 | 招金矿业股份有限公司夏甸金矿 | Noble metal mine pillar recovery method and timbering framework |
CN104712337A (en) * | 2015-02-25 | 2015-06-17 | 韦立坚 | Mining method |
CN106761756A (en) * | 2015-11-19 | 2017-05-31 | 中钢集团马鞍山矿山研究院有限公司 | A kind of stope structure for Upward slicing all-tailing cemented filling method |
CN106761912A (en) * | 2015-11-19 | 2017-05-31 | 中钢集团马鞍山矿山研究院有限公司 | It is a kind of be suitable for unstable formation efficiently on to route slicing and filling mining methods |
CN106761756B (en) * | 2015-11-19 | 2018-07-03 | 中钢集团马鞍山矿山研究院有限公司 | A kind of stope structure for Upward slicing all-tailing cemented filling method |
CN106761912B (en) * | 2015-11-19 | 2018-07-03 | 中钢集团马鞍山矿山研究院有限公司 | It is a kind of be suitable for unstable formation efficiently on to route slicing and filling mining methods |
CN105863641A (en) * | 2016-04-21 | 2016-08-17 | 西北矿冶研究院 | Medium-thickness gentle-inclination broken ore body chamber column type upward horizontal layered filling mining method |
CN105863641B (en) * | 2016-04-21 | 2018-05-15 | 西北矿冶研究院 | Medium-thickness gentle-inclination broken ore body chamber column type upward horizontal layered filling mining method |
CN108071397A (en) * | 2017-12-06 | 2018-05-25 | 广西大学 | Filling-up method based on coagulation handwoven cloth coagulating property |
CN108590650A (en) * | 2018-04-28 | 2018-09-28 | 山东科技大学 | A kind of ore pillar and top plate slowly sink the method in processing goaf |
CN108661648A (en) * | 2018-05-15 | 2018-10-16 | 山东黄金矿业(莱州)有限公司三山岛金矿 | A kind of mining methods of slant middle thick orebody |
WO2019218546A1 (en) * | 2018-05-15 | 2019-11-21 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Mining method for inclined medium-thick ore body |
CN108952803A (en) * | 2018-05-31 | 2018-12-07 | 西北矿冶研究院 | Downward filling mining method suitable for mining broken ore body |
CN110905579A (en) * | 2019-12-04 | 2020-03-24 | 江西理工大学 | Ventilation structure and ventilation method for downward layered cemented filling stope |
CN111894592A (en) * | 2020-08-05 | 2020-11-06 | 长沙矿山研究院有限责任公司 | Wall column type upward horizontal layered filling mining method |
CN113356851A (en) * | 2021-06-08 | 2021-09-07 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Medium-thickness ore body continuous downward medium-length hole subsection open stoping subsequent filling mining method |
CN113356851B (en) * | 2021-06-08 | 2024-02-02 | 山东黄金矿业(莱州)有限公司三山岛金矿 | Continuous downward medium-length hole segmented open stoping subsequent filling mining method for medium-thickness ore body |
CN113586054A (en) * | 2021-08-31 | 2021-11-02 | 新疆大学 | Filling ascending layered mining method for strong and weak subareas of huge thick coal seam |
CN113586054B (en) * | 2021-08-31 | 2023-08-25 | 新疆大学 | Method for mining strong and weak subareas of ultra-thick coal seam by filling up and layering |
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Application publication date: 20140212 |