CN103075156A - Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method - Google Patents

Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method Download PDF

Info

Publication number
CN103075156A
CN103075156A CN 201110326220 CN201110326220A CN103075156A CN 103075156 A CN103075156 A CN 103075156A CN 201110326220 CN201110326220 CN 201110326220 CN 201110326220 A CN201110326220 A CN 201110326220A CN 103075156 A CN103075156 A CN 103075156A
Authority
CN
China
Prior art keywords
ore
filling
breaking
orebody
chessboard
Prior art date
Application number
CN 201110326220
Other languages
Chinese (zh)
Inventor
周健
彭康
李夕兵
赵国彦
毕洪涛
刘志祥
王成
许杰
Original Assignee
周健
彭康
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 周健, 彭康 filed Critical 周健
Priority to CN 201110326220 priority Critical patent/CN103075156A/en
Publication of CN103075156A publication Critical patent/CN103075156A/en

Links

Abstract

The invention discloses a chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method used for an extremely-thick broken orebody with unstable hanging-side surrounding rocks. The method is characterized in that the orebody is divided into panels, backstoping units of the extremely-thick broken orebody are divided by using a chessboard arrangement manner along a vertical direction of the extremely-thick broken orebody so as to reduce exposure areas of a hanging side and a top board, an anchor rod and a metal mesh are used for pre-supporting and protecting the top board in a segmented rock drilling level, and the backstoping units are filled through alternately used cemented filling and non-cemented filling after backstoping so as to reduce filling cost. The filling mining method provided by the invention has the remarkable characteristics of safety, high efficiency, a high degree of mechanization, low operation cost, low loss and dilution of resources, etc.

Description

A kind of checkerboard type mineral building protects the top upper centripetal deep hole ore deposit sublevel cut and fill method that falls in advance
Technical field
The invention belongs to the mining technique field, relate to a kind of checkerboard type mineral building and protect in advance the top upper centripetal deep hole ore deposit sublevel cut and fill method that falls, the method mainly is applicable to for the unsteady extremely thick large breaking ore body of upper armor rock.
Technical background
Present exploitation for the unsteady extremely thick large breaking ore body of upper armor rock, by coiling built on the sand thereon, upper dish allows exposed area to require as far as possible little or open-assembly time is short as far as possible, adopt the Upward drift stoping with backfill of vertical ore body and the upward horizon method of mining by the way of filling exploitation of minute mineral building ore pillar to reduce upper dish exposed area for such orebody mining great majority, although stoping safety is high, there is the low defective of production capacity.
Summary of the invention
The technical problem to be solved in the present invention is for the unsteady extremely thick large breaking ore body of upper armor rock, proposes a kind of checkerboard type mineral building safe and efficient, that mechanization degree is high, operating cost is low, the poor damage of resource is little and protects in advance the top upper centripetal deep hole ore deposit sublevel cut and fill method that falls.Technical solution of the present invention is as follows:
(1) be the panel with ore body division, divide segmentation in the panel, minute checkerboard type continuous stoping unit in the segmentation, the back production unit is by the back production of stopping sequence interval;
(2) the trackless Preparatory work mode of the outer slice drift of employing lower wall arteries and veins and concentrating mining drop shaft.The segmentation haulage way is arranged on parallel ore bodies lower wall border, and each segmentation haulage way communicates with main ramp by connecting taxiway; Simultaneously at stage haulage way next door driving ore pass, by drop shaft connecting taxiway and segmentation haulage way UNICOM; In the segmentation haulage way, to ore body driving segmentation ore removal crosscut, tunnel the sublevel drilling tunnel always and to ore body, coil;
(3) the stope support place is the sublevel drilling tunnel, during back production the first substoping unit, the sublevel drilling tunnel of the second corresponding segmentation must tunnel and supporting good, support pattern adopts anchor pole and wire lath combined supporting, the reinforcing of local broken area sprayed mortar;
(4) in the sublevel drilling gallery on the Drilling to fan shaped medium length hole, carry out blasting in groups after stope pulls open comprehensively, from upper dish toward the lower wall drawing back;
(5) adopt the scraper ore removal, through segmentation ore removal crosscut, pour ore chute into;
(6) stope is fresh distinguished and admirablely enters the segmentation haulage way by main ramp, enters stope by the sublevel drilling tunnel, and behind the cleaning face, dirty wind is discharged to upper sublevel drilling tunnel through the goaf, again through south, north ventilation inclined shaft, drain into the earth's surface;
After (7) back production unit back production are complete, in arteries and veins, build filling counterfort in the drilling drift by laying bricks or stones,, pour the filler filling to the goaf from the rock drilling gallery of upper segmentation; The back production unit adopts consolidated fill and Non cemented filling interval to arrange in the panel.
Description of drawings
Fig. 1 is mining methods structural representation of the present invention
Fig. 2 is the B-B sectional drawing of Fig. 1
Fig. 3 is the C-C sectional drawing of Fig. 1
Fig. 4 is the D-D sectional drawing of Fig. 1
Among the figure: 1-stage haulage way, 2-ore pass, 3-segmentation haulage way, 4-drop shaft connecting taxiway, 5-segmentation ore removal crosscut, 6-sublevel drilling tunnel, 7-ore body, 8-fore-set, 9-panel barrier, 10-steel concrete, 11-Non cemented filling body.
The specific embodiment
The concrete use case of the mining methods that the present invention proposes is:
(1) the panel across pitch is divided, and the panel is long to be 40m, and the height that hangs down is 50m, and the vertical height of segmentation is 10m.Each segmentation of panel is divided into 12 back production unit, and single back production cell width is 8m, and length is 19m.Be divided into 12 similar checkerboard type back production unit in the segmentation of panel, all back production unit are divided into six steps in the segmentation of panel, and its detailed distribution form and mining sequence are seen Fig. 4 (1., 2., 3., 4., 5., 6. representing the stopping sequence of each back production unit among the figure);
(2) adopt accurate engineering: the trackless Preparatory work mode of the outer slice drift of lower wall arteries and veins and concentrating mining drop shaft is adopted in the panel.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; Simultaneously at stage haulage way 1 next door driving ore pass 2, by drop shaft connecting taxiway 4 and segmentation haulage way UNICOM; In the segmentation haulage way, to ore body driving segmentation ore removal crosscut 5, tunnel sublevel drilling tunnel 6 always and to ore body, coil;
(3) stope support: the stope support place is the sublevel drilling tunnel, during back production the first substoping unit, the sublevel drilling tunnel of the second corresponding segmentation must tunnel and supporting good, support pattern adopts Pluton-17 rock bolting jumbo and wire lath combined supporting back, local relatively Area cracked adopts anchor pole and wire lath combined supporting, and the sprayed mortar reinforcing, sprayed mortar thickness is not less than 50mm;
(4) stope rock drilling: the YGZ-90 rig is adopted in rock drilling, in the sublevel drilling gallery on the Drilling to fan shaped medium length hole, the aperture of medium-length hole is 60~65mm; Kerve long and medium hole drilling parameter is array pitch 1.0~1.2m, and apart from 2.0m, back production district long and medium hole drilling parameter is array pitch 1.4m at the bottom of the hole, distance 2.2~2.4m at the bottom of the hole;
(5) stope explosion: GB12437-90 powdery ammonium ladder detonator and the poor detonator of non-electricity millisecond are used in explosion, carry out blasting in groups after stope pulls open comprehensively, and every separate explosion 3~4 rows retreat;
(6) ore drawing in stope: ore removal adopts the TORO-250BD diesel LHD ore removal of Finland TamRock company, through segmentation ore removal crosscut, pours ore chute into;
(7) stope ventilation: freshly distinguished and admirablely enter the segmentation haulage way by main ramp, enter stope by the sublevel drilling tunnel, behind the cleaning face, dirty wind is discharged to upper sublevel drilling tunnel through the goaf, again through south, north ventilation inclined shaft, drain into the earth's surface;
(8) stope filling: after a back production unit back production is complete, in arteries and veins, build filling counterfort in the drilling drift by laying bricks or stones,, pour the filler filling to the goaf from the rock drilling gallery of upper segmentation; In the panel 1., 2., 4. the back production unit adopts consolidated fill, 3., 5., 6. the back production unit adopts Non cemented filling;
(9) the thick employing steel concrete of the first segmentation bottom 0.5m is built the artificial sill pillar of exploiting as lower stage casing in the stage casing, and the filling of complete extraction unit is adopted the upper to route method back production panel barrier of capwise after connecing the top again in the stage casing.
This method is safe and efficient, mechanization degree is high, operating cost is low, the poor damage of resource is little, and a kind of checkerboard type mineral building that is specially adapted to the unsteady extremely thick large breaking ore body of armor rock protects the top upper centripetal deep hole ore deposit sublevel cut and fill method that falls in advance.

Claims (1)

1. a checkerboard type mineral building protects the top upper centripetal deep hole ore deposit sublevel cut and fill method that falls in advance, it is characterized in that: be the panel with ore body division, adopt the arrangement form of similar chessboard grid to divide the back production unit of thick large breaking ore body, extremely thick large breaking ore body capwise is divided the upper dish of back production unit minimizing and top board exposed area, in the sublevel drilling gallery, adopt anchor pole to add the pre-supporting top board of wire lath, adopt consolidated fill and Non cemented filling interval to arrange after the back production between the back production unit and reduce filling cost.
CN 201110326220 2011-10-25 2011-10-25 Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method CN103075156A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110326220 CN103075156A (en) 2011-10-25 2011-10-25 Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110326220 CN103075156A (en) 2011-10-25 2011-10-25 Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method

Publications (1)

Publication Number Publication Date
CN103075156A true CN103075156A (en) 2013-05-01

Family

ID=48151837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110326220 CN103075156A (en) 2011-10-25 2011-10-25 Chessboard chamber pre-protection top upward middle-length hole ore-breaking segmented filling mining method

Country Status (1)

Country Link
CN (1) CN103075156A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362510A (en) * 2013-08-01 2013-10-23 广西大学 Sublevel-drilling bench-combination ore-removal sublevel-room mining method
CN103643992A (en) * 2013-12-10 2014-03-19 中国恩菲工程技术有限公司 Filling method for mining
CN104533517A (en) * 2015-01-16 2015-04-22 中南大学 High-segmentation upward deep hole ore extraction zero-dead-zone following filling mining method
CN104929643A (en) * 2015-05-28 2015-09-23 广西高峰矿业有限责任公司 Top-bottom space reconstruction upward type cut-and-filling stoping method after high layering medium-length hole ore dropping
CN105422102A (en) * 2015-12-25 2016-03-23 南京银茂铅锌矿业有限公司 Small-section access-filling mining method adopting vertical medium-depth hole blasting
CN105927226A (en) * 2016-04-21 2016-09-07 西北矿冶研究院 Continuous segmented horizontal cut-and-filling mining method adopting medium-depth hole blasting
CN106640075A (en) * 2016-11-09 2017-05-10 福州大学 Continuous mining method of gently inclined vein based on combined checkerboard type bottom structure
CN107130962A (en) * 2017-05-23 2017-09-05 西北矿冶研究院 A kind of segmentation ore caving for big thick ore body afterwards cemented filling mining method
CN108442930A (en) * 2018-03-15 2018-08-24 中南大学 A kind of Medium Thickness And Medium Slope Angle metal ore mining methods
CN109736880A (en) * 2019-01-22 2019-05-10 长安大学 A kind of coal mining obturation and preparation method thereof and technique

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362510A (en) * 2013-08-01 2013-10-23 广西大学 Sublevel-drilling bench-combination ore-removal sublevel-room mining method
CN103643992B (en) * 2013-12-10 2016-04-13 中国恩菲工程技术有限公司 Mining placement method
CN103643992A (en) * 2013-12-10 2014-03-19 中国恩菲工程技术有限公司 Filling method for mining
CN104533517B (en) * 2015-01-16 2016-06-29 中南大学 A kind of high sublevel falls dead zone, ore deposit zero following firms mining codes to deep hole
CN104533517A (en) * 2015-01-16 2015-04-22 中南大学 High-segmentation upward deep hole ore extraction zero-dead-zone following filling mining method
CN104929643A (en) * 2015-05-28 2015-09-23 广西高峰矿业有限责任公司 Top-bottom space reconstruction upward type cut-and-filling stoping method after high layering medium-length hole ore dropping
CN105422102A (en) * 2015-12-25 2016-03-23 南京银茂铅锌矿业有限公司 Small-section access-filling mining method adopting vertical medium-depth hole blasting
CN105422102B (en) * 2015-12-25 2018-03-02 南京银茂铅锌矿业有限公司 A kind of vertical medium-length hole ore blast subsection access back-filling method
CN105927226A (en) * 2016-04-21 2016-09-07 西北矿冶研究院 Continuous segmented horizontal cut-and-filling mining method adopting medium-depth hole blasting
CN106640075A (en) * 2016-11-09 2017-05-10 福州大学 Continuous mining method of gently inclined vein based on combined checkerboard type bottom structure
CN106640075B (en) * 2016-11-09 2018-09-14 福州大学 Low-angle dip mineral ore continuous mining based on combination checkerboard type bottom structure
CN107130962A (en) * 2017-05-23 2017-09-05 西北矿冶研究院 A kind of segmentation ore caving for big thick ore body afterwards cemented filling mining method
CN108442930A (en) * 2018-03-15 2018-08-24 中南大学 A kind of Medium Thickness And Medium Slope Angle metal ore mining methods
CN109736880A (en) * 2019-01-22 2019-05-10 长安大学 A kind of coal mining obturation and preparation method thereof and technique

Similar Documents

Publication Publication Date Title
Peng Longwall mining
CN106677780B (en) Bottom ore removal afterwards filling mining method is cut in a kind of upward and downward stage rock drilling segmentation
CN104806244B (en) Filling mining method for slant middle-thick ore body
CN103557002B (en) A kind of mechanized concentrates drop shaft filling-up method
CN101338674B (en) Non-pillar sublevel caving mining method for direct loading for ore
CN103306720B (en) Inclined separated layer solid filling coal mining method for super thick coal seam
CN105587318B (en) A kind of method of mining by the way of filling of the parallel middle thickness orebody group continuous stoping of low-angle dip
CN106223958B (en) The slant middle thick orebody subregion rock drilling stage falls ore deposit afterwards filling collaboration mining codes
CN101725352B (en) Method for filling solid and fully mechanizing and recovering room type coal pillar
CN103147761B (en) Filling mining method of gently inclined thin mineral deposit with soft roof
CN101871347B (en) Mining environment reconstruction layering and striping medium-length hole ore removal mining method
CN105317459B (en) A kind of subregion placement method for being used to control tight roof large area caving disaster
CN101105129B (en) Mining environment reconstructed continuous mining afterwards filling mining method
CN103089266B (en) Drift-pillar-free sublevel barnyard caving mining method of open pit transferred underground transitional period
CN101967973B (en) Open stope-caving combined mining method
CN103821558B (en) Coal mine gob filling mining and gob side entry retaining filling process
CN102011589B (en) Stope bottom structure suitable for underground two-step mining and production process thereof
CN104612695B (en) One acutely collapses shaft wall restoring and fastening method
CN104018836B (en) A kind of point mining method that has false top rake middle thickness orebody built on the sand
CN101328809B (en) Non-bottom pillar deep hole falling-back type mining method
CN101737052B (en) Sublevel fill-mining method
CN108194088B (en) A kind of soft top coal layer cuts top release gob-side entry retaining method without explosion
CN105971606B (en) A kind of thick sandstone coal wall recovery method
CN102606159B (en) Medium thick heavy-pitch crushed ore body frame type artificial top downward segmenting cemented filling method
CN101818643B (en) Stepped non-pillar continuous filling mining method for deep well super high large breaking ore body panel

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130501

C02 Deemed withdrawal of patent application after publication (patent law 2001)