CN108691544A - A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine - Google Patents
A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine Download PDFInfo
- Publication number
- CN108691544A CN108691544A CN201810344687.9A CN201810344687A CN108691544A CN 108691544 A CN108691544 A CN 108691544A CN 201810344687 A CN201810344687 A CN 201810344687A CN 108691544 A CN108691544 A CN 108691544A
- Authority
- CN
- China
- Prior art keywords
- ore
- cutting groove
- ore body
- barren rock
- mining
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001465 metallisation Methods 0.000 title claims abstract description 23
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 49
- 239000011435 rock Substances 0.000 claims abstract description 44
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 32
- 239000011707 mineral Substances 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 17
- 238000004880 explosion Methods 0.000 claims abstract description 6
- 239000011449 brick Substances 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 4
- 238000009435 building construction Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine, this method is based on the method for mining by the way of filling, be directed to ore body vacation top it is thicker and development and thinner thickness ore body, the method carries out at twice during constructing cutting groove, barren rock cutting groove of constructing first pushes up the construction of barren rock cutting groove in vacation and finishes a bottom ore later for the ore explosion creation compensation space of bottom and the scope of freedom, false top, then production ore are first taken off during rooming.The method effective solution is directed to the technical barrier of the thick false top ore body ore back production in non-metal deposition type mine;It avoids ore on-site personnel in exploitation process from entering the risk for having the top plate danger of inbreak at any time, increases the safety of personnel and equipment in mineral building exploitation process;Ore recovery ratio is substantially increased simultaneously, accelerates mineral building back production progress.
Description
Technical field
The invention belongs to mining engineering technical fields, and in particular to a kind of underground mining in non-metal deposition type mine is thick false
Push up lean ore body mining methods.
Background technology
Currently, in the existing mining condition in non-metal deposition type mine, especially false climax be development and thicker delays
Inclined orebody, the one of the security risk and Ore quality control that ore faces in exploitation process always puzzlement mineral industry are big
Problem.Since ore vacation top comparative development is broken, the fast development in mine is restrict, while in operations such as rock drilling, explosion, powder charges
In flow, personnel and the equipment usually operation in higher slice ore has the environment of inbreak risk at any time, security risk is big, and ore returns
Yield is substantially reduced.
Chinese patent (publication number CN 107227957A) discloses a kind of slight slope and thin ore body compartment dry back-filling mining method
Technique adjusts sequence and the filling direction of mining, improves and delay to inclination by way of setting back production unit and filling
The ore body collecting efficiency in direction, but there is no solve because the development of ore vacation top is relatively crushed the safety faced in exploitation process
Risk and Ore quality control problem.
Invention content
In order to solve the above technical problems, the present invention provides a kind of thick false top of the underground mining in non-metal deposition type mine is thin
The thick false top lean ore body mining methods of underground mining of ore body mining methods, the non-metal deposition type mine avoid being based on mining with stowing
The security risk of the ore of method false top inbreak in exploitation process, ensures ore matter while safe and efficient production ore
Amount.
The present invention is achieved by the following technical programs.
A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine provided by the invention, including with
Lower step:
Step 1:Divide mineral building, along orebody trend by ore body division be several stage casings, if each stage casing is divided into dry pan
Area, each panel are divided into several layerings, and each layering is divided into several mineral buildings;
Step 2:In-vein preparatory work is constructed, i.e. by rooming and corresponding higher slice mineral building construction in-vein preparatory work tunnel;
Step 3:Construction top plate barren rock cutting groove, perpendicular to orebody trend construction top plate barren rock cutting groove;
Step 4:Construction ore cutting groove, uses borehole drilling trolley to play bottom ore cutting groove;
Step 5:Mineral building back production first carries out explosion to vacation top barren rock, recycles scraper to transport barren rock, wait for that barren rock goes out
Production ore, ore repeat the above action after having gone out again after complete, up to back production to the back production boundary of mineral building;
Step 6:It builds barricade by laying bricks or stones, filling counterfort is built by laying bricks or stones in in-vein preparatory work tunnel after mineral building to back production boundary;
Step 7:Filling fills mineral building goaf using barren rock and filling slurry;
Step 8:Step 2 is repeated to step 7, until mineral building is fully completed exploitation and backfill.
Further, it carries out constructing using gas leg type drill jumbo when the construction of barren rock cutting groove in step 3.
Further, it carries out constructing using shallow bore hole trolley when the construction of barren rock cutting groove in step 3.
Further, the thickness of the ore body is 4-6m.
Further, the slanting angle of ore body is 30-55 °.
Further, in step 1, when carrying out mineral building division, the layer height of the ore body is 10m.
Further, in step 3, construct top plate barren rock cutting groove when, the width of the barren rock cutting groove is 4m.
Further, in step 3, construct top plate barren rock cutting groove when, the height of the barren rock cutting groove is less than 25m.
Further, in step 4, construct ore cutting groove when, the height of the ore cutting groove is less than 25m.
The beneficial effects of the present invention are:Implementation through the invention, during constructing cutting groove, barren rock of first constructing
Cutting groove, then ore cutting groove of constructing solve the problems, such as that roof control is complicated in gently inclined orebody, in production ore
In the process, what operating personnel entered is that the stope that false top has been taken off carries out operation, substantially increases personnel and equipment in back production
Safety in the process;Simultaneously because having taken off ore body vacation top in advance, substantially increasing the rate of extraction of ore and effectively having ensured
Ore quality improves the economic benefit of thick false top lean ore body mining.
Description of the drawings
Fig. 1 is the thick false top lean ore body mining methods section signal of the underground mining in non-metal deposition type of the present invention mine
Figure structure schematic representation;
Fig. 2 is the mineral building cloth of the thick false top lean ore body mining methods of the underground mining in non-metal deposition type of the present invention mine
Set schematic diagram;
Fig. 3 is the thick false top lean ore body mining methods filling signal of the underground mining in non-metal deposition type of the present invention mine
Figure;
Fig. 4 is back production side in the thick false top lean ore body mining methods of the underground mining in non-metal deposition type of the present invention mine
Boundary, the false position relationship schematic diagram for pushing up cutting groove and ore body.
Specific implementation mode
Be described further below technical scheme of the present invention, but claimed range be not limited to it is described.
As shown in Figs 1-4, the thick false top lean ore body mining methods of the underground mining in a kind of non-metal deposition type mine, including with
Lower step:
Step 1:Divide mineral building, along orebody trend by ore body division be several stage casings, if each stage casing is divided into dry pan
Area, each panel are divided into several layerings, and each layering is divided into several mineral buildings;
Step 2:In-vein preparatory work is constructed, i.e. by rooming and corresponding higher slice mineral building construction in-vein preparatory work tunnel;
Step 3:Construction top plate barren rock cutting groove, perpendicular to orebody trend construction top plate barren rock cutting groove;For its bottom
Compensation space and the scope of freedom are created in ore explosion;
Step 4:Construction ore cutting groove, uses borehole drilling trolley to play bottom ore cutting groove;
Step 5:Mineral building back production first carries out explosion to vacation top barren rock, recycles scraper to transport barren rock, wait for that barren rock goes out
Production ore, ore repeat the above action after having gone out again after complete, up to back production to the back production boundary of mineral building;
Step 6:It builds barricade by laying bricks or stones, filling counterfort is built by laying bricks or stones in in-vein preparatory work tunnel after mineral building to back production boundary;
Step 7:Filling fills mineral building goaf using barren rock and filling slurry;
Step 8:Step 2 is repeated to step 7, until mineral building is fully completed exploitation and backfill.
Further, it carries out constructing using gas leg type drill jumbo when the construction of barren rock cutting groove in step 3.
Further, it carries out constructing using shallow bore hole trolley when the construction of barren rock cutting groove in step 3.
Further, the thickness of the ore body is 4-6m.
Further, the slanting angle of ore body is 30-55 °.
Further, in step 1, when carrying out mineral building division, the layer height of the ore body is 10m.Due to ore body compared with
Thin, layer height should not be too large or too small, waste when the excessive back production it will cause ore body, too small, can greatly increase construction
Amount reduces mining efficiency
Further, in step 3, construct top plate barren rock cutting groove when, the width of the barren rock cutting groove is 4m.By
Relatively thin in the mineral ore part of ore body, excessive barren rock cutting groove can largely effect on the ore removal rate of ore, and too small barren rock is cut
Slot can cause the waste of ore body again.
Further, in step 3, construct top plate barren rock cutting groove when, the height of the barren rock cutting groove is less than 25m.
Further, in step 4, construct ore cutting groove when, the height of the ore cutting groove is less than 25m.Pass through
Rationally setting barren rock cutting groove and ore cutting groove, are effectively guaranteed the rate of extraction of ore and the product of acquired ore
Matter.
The present invention is by barren rock cutting groove of during constructing cutting groove, first constructing, then ore cutting groove of constructing, effectively
Solve the problems, such as that roof control is complicated in gently inclined orebody, during production ore, what operating personnel entered is false top
The stope taken off carries out operation, substantially increases the safety of personnel and equipment in exploitation process;Simultaneously because in advance
Ore body vacation top has been taken off, the rate of extraction of ore is substantially increased and has effectively ensured ore quality, has improved thick false top lean ore body
The economic benefit of mining.
Claims (9)
1. a kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine, it is characterised in that including following step
Suddenly:
Step 1:Mineral building is divided, by ore body division is several stage casings along orebody trend, each stage casing is divided into several panels, often
A panel is divided into several layerings, and each layering is divided into several mineral buildings;
Step 2:In-vein preparatory work is constructed, i.e. by rooming and corresponding higher slice mineral building construction in-vein preparatory work tunnel;
Step 3:Construction top plate barren rock cutting groove, perpendicular to orebody trend construction top plate barren rock cutting groove;
Step 4:Construction ore cutting groove, uses borehole drilling trolley to play bottom ore cutting groove;
Step 5:Mineral building back production first carries out explosion to vacation top barren rock, recycles scraper to transport barren rock, wait for that barren rock has gone out it
Production ore, ore repeat the above action after having gone out again afterwards, up to back production to the back production boundary of mineral building;
Step 6:It builds barricade by laying bricks or stones, filling counterfort is built by laying bricks or stones in in-vein preparatory work tunnel after mineral building to back production boundary;
Step 7:Filling fills mineral building goaf using barren rock and filling slurry;
Step 8:Step 2 is repeated to step 7, until mineral building is fully completed exploitation and backfill.
2. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:It carries out constructing using gas leg type drill jumbo when the construction of barren rock cutting groove in step 3.
3. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:It carries out constructing using shallow bore hole trolley when the construction of barren rock cutting groove in step 3.
4. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:The thickness of the ore body is 4-6m.
5. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:The slanting angle of ore body is 30-55 °.
6. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:In step 1, when carrying out mineral building division, the layer height of the ore body is 10m.
7. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:In step 3, construct top plate barren rock cutting groove when, the width of the barren rock cutting groove is 4m.
8. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:In step 3, construct top plate barren rock cutting groove when, the height of the barren rock cutting groove is less than 25m.
9. the thick false top lean ore body mining methods of the underground mining in non-metal deposition type as described in claim 1 mine, feature
It is:In step 4, construct ore cutting groove when, the height of the ore cutting groove is less than 25m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344687.9A CN108691544A (en) | 2018-04-17 | 2018-04-17 | A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344687.9A CN108691544A (en) | 2018-04-17 | 2018-04-17 | A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108691544A true CN108691544A (en) | 2018-10-23 |
Family
ID=63845728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810344687.9A Pending CN108691544A (en) | 2018-04-17 | 2018-04-17 | A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108691544A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764904A (en) * | 2020-06-30 | 2020-10-13 | 贵州开磷有限责任公司 | Underground mining method |
| CN111997616A (en) * | 2020-09-14 | 2020-11-27 | 中南大学 | Method for continuously recycling residual top-bottom column by adopting large section |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116448C1 (en) * | 1996-12-03 | 1998-07-27 | Дальневосточный государственный технический университет | Method for mining inclined ore bodies |
| CN104018836A (en) * | 2014-06-25 | 2014-09-03 | 中南大学 | Divided mining method for inclined medium-thick ore body with unstable false roof |
| 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 |
| CN106593447A (en) * | 2017-02-24 | 2017-04-26 | 贵州开磷集团股份有限公司 | Mining method for gently inclined medium-thickness ore body in underground mining |
-
2018
- 2018-04-17 CN CN201810344687.9A patent/CN108691544A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2116448C1 (en) * | 1996-12-03 | 1998-07-27 | Дальневосточный государственный технический университет | Method for mining inclined ore bodies |
| 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 |
| CN104018836A (en) * | 2014-06-25 | 2014-09-03 | 中南大学 | Divided mining method for inclined medium-thick ore body with unstable false roof |
| CN106593447A (en) * | 2017-02-24 | 2017-04-26 | 贵州开磷集团股份有限公司 | Mining method for gently inclined medium-thickness ore body in underground mining |
Non-Patent Citations (1)
| Title |
|---|
| 刘江凌: "较厚假顶矿体开采工艺研究", 《化工矿物与加工》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764904A (en) * | 2020-06-30 | 2020-10-13 | 贵州开磷有限责任公司 | Underground mining method |
| CN111764904B (en) * | 2020-06-30 | 2021-12-14 | 贵州开磷有限责任公司 | Underground mining method |
| CN111997616A (en) * | 2020-09-14 | 2020-11-27 | 中南大学 | Method for continuously recycling residual top-bottom column by adopting large section |
| CN111997616B (en) * | 2020-09-14 | 2021-05-18 | 中南大学 | Method for continuously recycling residual top-bottom column by adopting large section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105626071B (en) | Mining method for gently inclined thin ore body | |
| CN101338674B (en) | Non-pillar sublevel caving mining method for direct loading for ore | |
| CN102635356B (en) | Medium-length hole mining method in multiple blasting free faces of high dipping thin veins | |
| CN108612530A (en) | A kind of mining methods of upper disk rock crusher slant middle thick orebody | |
| CN105041314A (en) | Method for united mining of deep subsequent stoping chamber and layered stoping jamb | |
| CN103557002A (en) | Panel mechanized centralized ore-pass upward horizontal cut-and-filling stoping method | |
| CN1982649A (en) | Mining method | |
| CN1474032A (en) | Continuous mining method of stepped sectional extruding and ore caving followed by filling | |
| CN103821558A (en) | Coal mine gob filling mining system and gob-side entry retaining filling process | |
| CN104453996B (en) | A kind of packed method of mining by the way of filling of Upward slicing wall type | |
| CN101285384B (en) | Large diameter, deep borehole and non undercutting mining method | |
| RU2333363C1 (en) | Method of monitoring gas emission during mining operations in series of highly gaseous coal seams | |
| AU2021106168A4 (en) | High-gas Coal Seam Group Pressure Relief Mining Method Based on Gob-side Entry Retaining in the First Mining Whole Rock Pressure Relief Working Face | |
| CN105626073A (en) | Mining method capable of preserving cutting groove based on filling mining method | |
| CN103527196A (en) | Method for recovery of room-type coal pillar through loess filling | |
| CN106640080B (en) | Under a kind of deep high stress environment mining methods are arranged from steady gallery shape stope | |
| CN110030013B (en) | Gob-side entry retaining method for three-seam periodic roof cutting self-entry side of transition support area | |
| CN104265297A (en) | Mining method for multilayer fragile gently-inclined extra-narrow ore vein | |
| CN106593447B (en) | A kind of underground mining gently inclined medium thick orebody mining methods | |
| CN114165210B (en) | Deep coal resource fluidization mining method and system | |
| CN108691544A (en) | A kind of thick false top lean ore body mining methods of the underground mining in non-metal deposition type mine | |
| CN104948190B (en) | Method for caving top surrounding rock to form covering layer recovery stud | |
| CN106522955A (en) | Studding recovery method for reconstructing covering layer through dead zone wastefill and top surrounding rock spallation collaboratively | |
| CN108086978B (en) | Coal mining method suitable for deep well extra-thick coal seam | |
| RU2449125C1 (en) | Method to mine large sloping ore bodies |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181023 |