CN104632223A - Mining environment-reconstructing mobile pumping filling artificial pillar shrinkage mining method - Google Patents

Mining environment-reconstructing mobile pumping filling artificial pillar shrinkage mining method Download PDF

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Publication number
CN104632223A
CN104632223A CN201510057077.7A CN201510057077A CN104632223A CN 104632223 A CN104632223 A CN 104632223A CN 201510057077 A CN201510057077 A CN 201510057077A CN 104632223 A CN104632223 A CN 104632223A
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China
Prior art keywords
pillar
mining
filling
mineral building
bank
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CN201510057077.7A
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Chinese (zh)
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CN104632223B (en
Inventor
李杰林
邓红卫
周科平
王敏
高如高
袁梅芳
刘伟强
彭涛
陈研文
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HUNAN LABOUR PROTECTION INSTITUTE OF NONFERROUS METALS
Hu'nan Nonferrous Metals Holding Group Co Ltd
Central South University
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HUNAN LABOUR PROTECTION INSTITUTE OF NONFERROUS METALS
Hu'nan Nonferrous Metals Holding Group Co Ltd
Central South University
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Publication of CN104632223A publication Critical patent/CN104632223A/en
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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
    • E21C41/22Methods of underground mining; Layouts therefor for ores, e.g. mining placers

Abstract

The invention discloses a mining environment-reconstructing mobile pumping filling artificial pillar shrinkage mining method which comprises the following steps: dividing an ore body into a pillar and a chamber; firstly mining the pillar by utilizing a layered filling mining process, filling by adopting a mobile pumping filling system to form an artificial pillar, and reserving a pedestrian and equipment channel for mining environment reconstruction; then stoping the chamber by adopting a shrinkage mining process, reserving the pillar on one side of the chamber, and reserving no pillar on the other side of the chamber; by utilizing a jack shaft as a stope return air shaft, recovering the reserved pillar for one time after the chamber is stoped, and supporting a worked-out section through the artificial pillar without treating the worked-out section so as to realize the purpose of safe mining of a steep-inclined thin ore body. The mining environment-reconstructing mobile pumping filling artificial pillar shrinkage mining method disclosed by the invention is especially suitable for an underground metal mine filling-free system and the mining of a high-grade inclined or steep-inclined thin ore body with a more steady top plate surrounding rock and has the characteristics of low ore loss rate, no need of filling system construction, simple process, safety in operation and few needed filling material.

Description

Mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping
Technical field
The present invention relates to a kind of underground metalliferous mine shrinkage stoping, particularly relate to a kind of mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping, be applicable to underground mine without filling system, and the more firm high-grade of roof rock tilts or the exploitation of Steeply dipping narrow deposits.
Background technology
For Steeply dipping narrow deposits, in traditional handicraft, the shallow hole shrinkage method that adopts is exploited more, and ore body is divided into mineral building and ore pillar, not filling after mineral building back production, by ore pillar roof supporting; And because orebody thickness is little, dispersion, build filling pipeline system difficulties, cannot use the method for mining by the way of filling, ore pillar is generally Permanent pillar, cannot reclaim.Therefore, this technique also exists the shortcomings such as ore loss ratio is high, poor stability.Especially when ore body built on the sand time, ore pillar easily destroys, collapse, and then causes goaf top plate inbreak, causes underground hazard.As adopted the method for mining by the way of filling, then can bring again that filling system construction investment is high, filling process is complicated, mining cost crosses the shortcomings such as high, reduce the economic benefit in mine.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of in mine without having during filling system that ore loss ratio is low, job safety and the low mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping of mining cost.
In order to solve the problems of the technologies described above, the mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping that the present invention adopts, exploitation tilt or Steeply dipping narrow deposits and without filling system time, according to stope structure size, ore body division is mineral building and ore pillar by across pitch direction, first adopts overhand slicing mining technology exploitation ore pillar, and utilizes movable type pumping filling system to carry out slicing and filling operation, reserve People's Bank of China's inclined shaft and drop shaft during filling, carry out mining environment reconstructing; After pillar recovery is complete and filling forms artificial ore pillar, shrinkage method mining technology is adopted to carry out the back production of mineral building, at the pre-pillar in the side of mineral building to protect People's Bank of China's inclined shaft, and People's Bank of China's connecting taxiway is dug in pre-pillar, personnel and equipment enter stope operation by People's Bank of China's inclined shaft, connecting taxiway, the drop shaft of opposite side as stope returnairshaft, returnairshaft along with mineral building back production height rising and avalanche gradually; The pre-pillar of disposable recovery after mineral building back production, dead zone does not process, and the artificial ore pillar formed by obturation supports goaf.
Adopt the mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping of technique scheme, be ore pillar and mineral building by ore body division, first upward ut and fill stoping technique is utilized to exploit ore pillar, and utilize the filling of movable type pumping filling system, form artificial ore pillar, carry out mining environment reconstructing; People's Bank of China's inclined shaft and drop shaft need be reserved during filling, both can be pillar recovery and passage is provided, also for mineral building back production provides People's Bank of China and vent passages; Then shrinkage method mining technology rooming is adopted, during mineral building back production, need at the pre-pillar in the side of mineral building, to protect People's Bank of China's inclined shaft, the pre-pillar of disposable recovery after mineral building back production, goaf does not process, and supports goaf by artificial ore pillar.Thus in mine without filling system time, reach minimizing ore losses, improve resource recovery, reduce the object of mining cost.
Ore pillar adopts the exploitation of overhand slicing mining technology, and by the filling of movable type pumping filling system, form artificial ore pillar, carry out mining environment reconstructing, required casting resin is minimum, without the need to building filling system.
Mineral building adopts the exploitation of shrinkage method mining technology, at the pre-pillar in mineral building side, and protection People's Bank of China inclined shaft, and People's Bank of China's connecting taxiway is dug in pre-pillar; The drop shaft of opposite side is then as stope returnairshaft, and personnel and equipment enter operation in stope by People's Bank of China's inclined shaft, People's Bank of China's connecting taxiway and completes mineral building back production, and technique is simple.
The present invention is applicable to underground metalliferous mine without filling system, and the more firm high-grade of roof rock tilts or in Steeply dipping narrow deposits back production, achieve technique simple, job safety, the objects such as required casting resin is few, and ore loss ratio significantly reduces, and mining cost is low.
The invention has the beneficial effects as follows, adopt overhand slicing mining technology exploitation ore pillar, and utilize movable type pumping filling system to carry out packing job, form artificial ore pillar; Then adopt shrinkage method mining technology to carry out the back production of mineral building, do not process after mineral building back production, the artificial ore pillar formed by obturation supports goaf.Without the need to building filling system, and required casting resin is minimum, and ore recovery ratio is high, and mining cost is low, and technique is simple, solves that Steep Dipping Ore Body Extraction exploitation losses rate is high, a difficult problem for poor stability, construction filling system difficulty.
Accompanying drawing explanation
Fig. 1 is the front view of mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping plan.
Fig. 2 is the top plan view of Fig. 1.
Fig. 3 is the sectional drawing of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is further described.
See Fig. 1, Fig. 2 and Fig. 3, in figure: 1. level haulage tunnel, 2. artificial false bottom, 3. People's Bank of China's inclined shaft, 4. drop shaft, 5. artificial ore pillar, 6. goaf, 7. pre-pillar, 8. big gun hole, 9. not dig up mine body, 10. stope returnairshaft, 11. broken ores, 12. funnels, 13. People's Bank of China's connection roadways, 14. People's Bank of China's ladders, exploitation tilt or Steeply dipping narrow deposits and without filling system time, according to stope structure size, ore body division is mineral building and ore pillar by across pitch direction, first overhand slicing mining technology exploitation ore pillar is adopted, and utilize movable type pumping filling system to carry out slicing and filling operation, People's Bank of China's inclined shaft and drop shaft is reserved during filling, carry out mining environment reconstructing, after pillar recovery is complete and filling forms artificial ore pillar, shrinkage method mining technology is adopted to carry out the back production of mineral building, at the pre-pillar in the side of mineral building to protect People's Bank of China's vertical shaft, and People's Bank of China's connecting taxiway is dug in pre-pillar, personnel and equipment enter stope operation by People's Bank of China's inclined shaft, connecting taxiway, the drop shaft of opposite side as stope returnairshaft, returnairshaft along with mineral building back production height rising and avalanche gradually.The pre-pillar of disposable recovery after mineral building back production, dead zone does not process, and the artificial ore pillar formed by obturation supports goaf.

Claims (1)

1. a mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping, it is characterized in that: exploitation tilt or Steeply dipping narrow deposits and without filling system time, according to stope structure size, ore body division is mineral building and ore pillar by across pitch direction, first overhand slicing mining technology exploitation ore pillar is adopted, and utilize movable type pumping filling system to carry out slicing and filling operation, reserve People's Bank of China's inclined shaft and drop shaft during filling, carry out mining environment reconstructing; After pillar recovery is complete and filling forms artificial ore pillar, shrinkage method mining technology is adopted to carry out the back production of mineral building, at the pre-pillar in the side of mineral building to protect People's Bank of China's inclined shaft, and People's Bank of China's connecting taxiway is dug in pre-pillar, personnel and equipment enter stope operation by People's Bank of China's inclined shaft, connecting taxiway, the drop shaft of opposite side as stope returnairshaft, returnairshaft along with mineral building back production height rising and avalanche gradually; The pre-pillar of disposable recovery after mineral building back production, dead zone does not process, and the artificial ore pillar formed by obturation supports goaf.
CN201510057077.7A 2015-02-04 2015-02-04 Mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping Active CN104632223B (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN105240016A (en) * 2015-11-23 2016-01-13 武汉理工大学 Filling mining method with gentle-dip lamellar jade ore block cutting and strip dragging
CN106988745A (en) * 2017-05-12 2017-07-28 核工业北京化工冶金研究院 A kind of sublevel open stoping mining methods of narrow dipping vein
CN107150880A (en) * 2017-05-05 2017-09-12 长春黄金研究院 A kind of ore chute and its erection method for inclined orebody back production
CN107939402A (en) * 2017-12-28 2018-04-20 昆明冶金高等专科学校 The mining methods of firm inclined thick ore body more than a kind of back production ore-rock is medium
CN110529179A (en) * 2019-09-04 2019-12-03 长沙矿山研究院有限责任公司 A kind of artificial false lane construction method of anchor slab
CN110685692A (en) * 2019-11-06 2020-01-14 内蒙古金陶股份有限公司 Frame mining method
CN110966005A (en) * 2019-11-22 2020-04-07 西北矿冶研究院 Novel medium-length hole ore-breaking stage chamber method
RU2755772C1 (en) * 2021-03-15 2021-09-21 федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет» Method for developing close-located diamond-containing ore bodies

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CN103114854A (en) * 2013-02-18 2013-05-22 中南大学 Pillar robbing method of reconstructed artificial stud
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CN101105129A (en) * 2007-07-16 2008-01-16 中南大学 Mining environment reconstructed continuous mining afterwards filling mining method
CN103114854A (en) * 2013-02-18 2013-05-22 中南大学 Pillar robbing method of reconstructed artificial stud
CN203452793U (en) * 2013-07-10 2014-02-26 济南钢城矿业有限公司 Room structure of shallow-hole shrinkage mining method for mining near-surface thick, large and more oblique ore body

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240016A (en) * 2015-11-23 2016-01-13 武汉理工大学 Filling mining method with gentle-dip lamellar jade ore block cutting and strip dragging
CN105240016B (en) * 2015-11-23 2019-03-08 武汉理工大学 Low-angle dip lamelliform jade mine nugget cutting rod band pulls filling mining method
CN107150880A (en) * 2017-05-05 2017-09-12 长春黄金研究院 A kind of ore chute and its erection method for inclined orebody back production
CN106988745A (en) * 2017-05-12 2017-07-28 核工业北京化工冶金研究院 A kind of sublevel open stoping mining methods of narrow dipping vein
CN106988745B (en) * 2017-05-12 2019-02-01 核工业北京化工冶金研究院 A kind of sublevel open stoping mining methods of narrow dipping vein
CN107939402A (en) * 2017-12-28 2018-04-20 昆明冶金高等专科学校 The mining methods of firm inclined thick ore body more than a kind of back production ore-rock is medium
CN110529179A (en) * 2019-09-04 2019-12-03 长沙矿山研究院有限责任公司 A kind of artificial false lane construction method of anchor slab
CN110529179B (en) * 2019-09-04 2021-01-15 长沙矿山研究院有限责任公司 Anchor plate artificial false tunnel construction method
CN110685692A (en) * 2019-11-06 2020-01-14 内蒙古金陶股份有限公司 Frame mining method
CN110685692B (en) * 2019-11-06 2021-05-04 内蒙古金陶股份有限公司 Frame mining method
CN110966005A (en) * 2019-11-22 2020-04-07 西北矿冶研究院 Novel medium-length hole ore-breaking stage chamber method
RU2755772C1 (en) * 2021-03-15 2021-09-21 федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет» Method for developing close-located diamond-containing ore bodies

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