CN100353029C - Panel Unloading Layered Filling Mining Method - Google Patents
Panel Unloading Layered Filling Mining Method Download PDFInfo
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- CN100353029C CN100353029C CNB2006100323592A CN200610032359A CN100353029C CN 100353029 C CN100353029 C CN 100353029C CN B2006100323592 A CNB2006100323592 A CN B2006100323592A CN 200610032359 A CN200610032359 A CN 200610032359A CN 100353029 C CN100353029 C CN 100353029C
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Abstract
The invention discloses a plate unloading layered filling mining method, which comprises the steps of dividing an ore body into mining plate areas along the direction of the trend of the ore body, arranging vertical groove stopes perpendicular to the trend of the ore body at two ends of each plate area, arranging a plurality of plate area stopes perpendicular to the trend of the ore body between the two vertical groove stopes, and adopting an upward high-layered filling mining method to stope both the vertical groove stopes and the plate area stopes, wherein the vertical groove stopes are ahead of the plate area stopes to stope and fill. The vertical groove stope of the invention forms a weakening project, can cut off the stress in the direction of the maximum main stress (horizontal stress) from being transferred to the stope of the panel area, and forms a pressing-free arch in the stope panel, so that the stope of the panel area is under the pressing-free arch, and the secondary stress of the stope is obviously reduced. Therefore, the mining method can enlarge the structural size of a stope, realize large-scale mechanized mining operation, and achieve the purposes of low cost, high efficiency and safe mining without special reinforced support.
Description
Technical field
The present invention relates to a kind of panel off-load slicing and filling mining methods.
Background technology
Especially be under the high-ground stress condition of major principal stress with the approximate horizontal stress that is parallel to orebody trend under the high-ground stress condition, metallic ore mining is easy to generate the stope top board and collapses, the rock burst disaster takes place, in order to prevent the generation of this phenomenon, the technological means that adopts is to adopt less stope specification at present, and stope structure added strong supporting especially, big specification stope structure and big machinery mining can't have been implemented like this, production capacity of mining field and mining efficiency are subjected to serious restriction, and mining cost increases (bringing by adding strong supporting).Therefore how solving high-ground stress to the difficulty that metal mining brings, is the technical barrier that needs to be resolved hurrily at present.
Summary of the invention
The present invention aims to provide a kind of reduction mining cost, improves the panel off-load slicing and filling mining methods of production capacity of mining field and mining efficiency.
This panel off-load slicing and filling mining methods provided by the invention, comprise along the orebody trend direction ore body is divided into the mining panel, arrange the upright groove stope of a vertical orebody trend respectively at mining two ends, panel, between two upright groove stopes, arrange the panel stope of a plurality of vertical orebody trends, upright groove stope and panel stope all adopt to the back production of the high stratification method of mining by the way of filling, upright groove stope leading panel stope mining and filling.
Because the present invention will arrange upright groove stope at mining two ends, panel, and follow the order of upright groove stope leading panel stope mining and filling, impel stress to concentrate the position to shift to the deep, form low stress off-load circle on the nearly top layer of panel stope, form in the country rock deep that stress concentrates from carrier ring.Make from the carrier ring rock mass on the one hand to be in three-dimensional stress state, the rock mass supporting capacity is improved, and the possibility of destruction reduces greatly, and the country rock self-supporting ability is not fully exerted; On the other hand, because most of load and stress concentrates by bearing from carrier ring, for off-load circle rock mass stable provides guarantee.From carrier ring and off-load circle complement each other, interdependent each other, significantly improve the stability of stope structure.Upright in other words groove stope forms the reduction engineering, the stress that can cut off major principal stress (horizontal stress) direction transmits to the panel stope, in the mining panel, forming one and exempt from stress) stress of direction transmits to the panel stope, in the mining panel, form one and exempt to press arch, the panel stope is in exempts to press arch down, its secondary stresses significantly reduces.Therefore mining uses the inventive method can enlarge the stope structure size, realize the big machinery mining under condition of high ground stress, and need not add strong supporting especially, reaches the purpose of low cost, high efficiency, safety mining.
Description of drawings
Fig. 1 is the structural representation of embodiment of the present invention one.
Fig. 2 is the structural representation of embodiment of the present invention two.
The specific embodiment
Embodiment one:
This is a kind of high stratification filling mining method that only adopts the off-load of end, panel, and this method is divided into the mining panel along the orebody trend direction with ore body.In a mining panel, the upright groove stope (A, B) of a vertical orebody trend is arranged at two ends respectively as can be seen from Figure 1, arranges the panel stope (1-7) of a plurality of vertical orebody trends between upright groove stope A and B.Upright groove stope (A, B) and panel stope (1-7) all adopt the upward ut and fill stoping back production, adopt laggard end of line sand consolidated fill.But upright groove stope (A, B) carries out back production and filling in panel stope (1-7) in advance, preferably after upright groove stope (A, B) back production and filling are all finished, again the panel stope is carried out back production and filling, and upright groove stope layering floor height is preferably lower than the layering floor height of panel stope, and the width of upright groove stope is narrower than the width of panel stope.Upright in the present embodiment groove stope layering floor height is that 2-3m, width are 6-10m, and the layering floor height of panel stope is that 4-5m, width are 8-12m.The stress that upright groove stope (A, B) formation reduction engineering can be cut off biggest principal stress direction (horizontal stress direction) transmits to panel stope (1-7), in the mining panel, form one and exempt to press arch, panel stope (1-7) secondary stresses between two upright groove stope A, the B is reduced.When carrying out back production and filling, panel stope (1-7) preferably presses the natural number ordering to another upright groove stope (B) from a upright groove stope (A), odd number is one group, even number is another group, the intact even number set of elder generation's back production and filling i.e. 2,4,6 dialer district stopes, and back production and filling odd number group are 1,3,5,7 dialer district stopes again.Process sequence cycle operation according to rock drilling, explosion, roof control, ore removal and filling.Under present embodiment, can adopt trackless mining equipment to carry out rock drilling, ore removal and less important work, the mining chassis carries out upward drilling, stope big gun hole once detonation, short-delay blasting, scraper is strengthened ore removal, and auxiliary chassis carries out less important works such as powder charge, stope roof control and material conveying.The mining of this big machineryization is significantly improved production capacity and mining efficiency.
Embodiment two:
This is bottom, a kind of panel and end off-load high stratification filling mining method, ore body across pitch side is divided into the mining panel, arrange the stope C that undercuts in bottom, mining panel, arrange the upright groove stope (A, B) of vertical orebody trend at the two ends, panel respectively, between upright groove stope, arrange the panel stope (1-7) of a plurality of vertical orebody trends.This as seen from Figure 2 arrangement is different from embodiment one, and as can be seen, at first to the stope C employing breasting method back production that undercuts of bottom, mining panel, adopts laggard end of line sand consolidated fill in the present embodiment.The mining of upright groove stope (A, B) and panel stope (1-7) and packing job are no longer repeated with embodiment one.Undercuting in the present embodiment forms undercut reduction engineering and upright groove reduction engineering after stope and upright groove stope mining and the filling, panel stope secondary stresses is reduced played better effect.
The present invention is in the panel stope and exempts to press by panel reduction engineering encircles down, its secondary stresses significantly reduces, under condition of high ground stress, adopt the big specification stope structure of high stratification, can use high efficiency trackless mining equipment concentrates rock drilling, the disposable back production explosion of stope, chassis less important work and trackless scraper to strengthen ore removal, improve mining efficiency and production capacity of mining field, improved the safety guarantee degree of mining.
Claims (3)
1, the slicing and filling mining methods of a kind of panel end off-load, be included in mining two ends, panel and arrange the upright groove stope (A, B) of a vertical orebody trend respectively, between two upright groove stopes, arrange the panel stope (1-7) of a plurality of vertical orebody trends, upright groove stope (A, B) and panel stope (1-7) all adopt the upward ut and fill stoping back production, leading panel stope (1-7) back production of upright groove stope (A, B) and filling are to cut off the transmission of horizontal stress to the panel stope.
2, the slicing and filling mining methods of panel according to claim 1 end off-load, the bottom, panel that it is characterized in that digging up mine also is furnished with the stope that undercuts (C), and at first this stope that undercuts is adopted the breasting method back production, adopts laggard end of line sand consolidated fill.
3, the slicing and filling mining methods of panel according to claim 1 and 2 end off-load, it is characterized in that the layering floor height of the floor height of the layering floor height of upright groove stope (A, B) and the stope that undercuts (C) less than panel stope (1-7), the width of upright groove stope (A, B) is narrower than the width of panel stope (1-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100323592A CN100353029C (en) | 2006-09-30 | 2006-09-30 | Panel Unloading Layered Filling Mining Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100323592A CN100353029C (en) | 2006-09-30 | 2006-09-30 | Panel Unloading Layered Filling Mining Method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1932241A CN1932241A (en) | 2007-03-21 |
| CN100353029C true CN100353029C (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100323592A Expired - Fee Related CN100353029C (en) | 2006-09-30 | 2006-09-30 | Panel Unloading Layered Filling Mining Method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2130072A1 (en) * | 2020-05-20 | 2021-11-21 | Luossavaara Kiirunavaara Ab | Mining method for mining ore from an ore body P |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX339889B (en) * | 2010-02-22 | 2016-06-16 | Tech Resources Pty Ltd * | Underground mining. |
| CN101864957B (en) * | 2010-05-25 | 2012-08-08 | 广西大学 | Great ore drawing simultaneous filling non-top column shrinkage mining method |
| CN102359377A (en) * | 2011-09-01 | 2012-02-22 | 长沙矿山研究院 | Three-dimensional partition collaborative caving mining method for ore pillar group |
| CN103557002B (en) * | 2013-11-21 | 2015-10-21 | 武汉科技大学 | A kind of mechanized concentrates drop shaft filling-up method |
| CN103670412B (en) * | 2013-12-11 | 2016-01-20 | 西安建筑科技大学 | A kind of Mined-out Area control of high-dipping ore block exploitation and Depressurized mining method |
| CN104895566B (en) * | 2015-06-15 | 2017-03-08 | 武汉科技大学 | A kind of remnant reclaiming mining codes |
| CN105888668A (en) * | 2016-06-15 | 2016-08-24 | 山东华联矿业股份有限公司 | Pre-control roof upward high-sublevel medium-length-hole subsequent filling mining method |
| CN106437717B (en) * | 2016-11-21 | 2019-04-26 | 武汉理工大学 | Ore drawing synchronizes packing stage mining codes to vertical long hole twice |
| CN112502710A (en) * | 2020-11-10 | 2021-03-16 | 西北矿冶研究院 | Pressure relief roadway type cemented filling mining method |
| CN112343598B (en) * | 2020-11-23 | 2022-08-30 | 武汉科技大学 | Upward layered panel approach type filling mining method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2184850C1 (en) * | 2000-12-08 | 2002-07-10 | Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (Технический университет) | Method of underground mining of thick flat deposits of low-hardness ores |
| RU2203420C2 (en) * | 2001-07-25 | 2003-04-27 | Институт горного дела - научно-исследовательское учреждение СО РАН | Process of layer-by-layer development of kimberlite pipe in ascending order with backfill and powered complex for method embodiment |
| CN1456788A (en) * | 2003-06-06 | 2003-11-19 | 中南大学 | Continuous mining process with deep hole dropping and top-bottom pillars mining in advance |
-
2006
- 2006-09-30 CN CNB2006100323592A patent/CN100353029C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2184850C1 (en) * | 2000-12-08 | 2002-07-10 | Санкт-Петербургский государственный горный институт им. Г.В. Плеханова (Технический университет) | Method of underground mining of thick flat deposits of low-hardness ores |
| RU2203420C2 (en) * | 2001-07-25 | 2003-04-27 | Институт горного дела - научно-исследовательское учреждение СО РАН | Process of layer-by-layer development of kimberlite pipe in ascending order with backfill and powered complex for method embodiment |
| CN1456788A (en) * | 2003-06-06 | 2003-11-19 | 中南大学 | Continuous mining process with deep hole dropping and top-bottom pillars mining in advance |
Non-Patent Citations (1)
| Title |
|---|
| 凡口铅锌矿盘区机械化中深孔留矿法的应用 张木毅.采矿技术，第2卷第3期 2002 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2130072A1 (en) * | 2020-05-20 | 2021-11-21 | Luossavaara Kiirunavaara Ab | Mining method for mining ore from an ore body P |
| SE544509C2 (en) * | 2020-05-20 | 2022-06-28 | Luossavaara Kiirunavaara Ab | Mining method for mining ore from an ore body |
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| CN1932241A (en) | 2007-03-21 |
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