WO2014090108A1 - 一种预掘两巷前进式固体充填采煤方法 - Google Patents
一种预掘两巷前进式固体充填采煤方法 Download PDFInfo
- Publication number
- WO2014090108A1 WO2014090108A1 PCT/CN2013/088632 CN2013088632W WO2014090108A1 WO 2014090108 A1 WO2014090108 A1 WO 2014090108A1 CN 2013088632 W CN2013088632 W CN 2013088632W WO 2014090108 A1 WO2014090108 A1 WO 2014090108A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coal
- filling
- coal mining
- mining
- lane
- 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.)
- Ceased
Links
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
Definitions
- the invention relates to a pre-excavation two-way forward solid-filled coal mining method for coal mines, and is particularly suitable for the coal-fired column-free roadway working face of the near-level and medium-thick coal seam with comprehensive mechanized solid filling mining.
- the compact filling effect of the goaf is the key to the successful implementation of the technology.
- the filling technology has certain limitations on the adaptability of the dip angle change of the coal seam, and it is required that the solid-filled coal mining face should be tilted as far as possible (tilt mining, tilting Filling), so the application of filling technology encounters challenges under specific geological conditions. Under normal circumstances, the comprehensive mechanized coal mining face is retracted and propelled along the boundary of the section to the direction of transporting the mountain (or the mountain up the track). However, if the dip angle of the coal seam is relatively large, it is necessary to lean down. Coal mining, tilting filling) When filling the coal mining face, the application effect of the filling technology cannot be guaranteed.
- the object of the present invention is to provide a pre-excavation two-way forward solid-filled coal mining method with simple operation, high recovery rate of coal resources and easy control of filling effect in view of the deficiencies in the prior art.
- the pre-excavation two-way forward solid-filled coal mining method of the present invention comprises the following steps:
- a. Cutting from the coal to the mountain, and excavating in the coal body from the mountain to the boundary of the section to form a pre-drilling lane; b. Cutting the intrusion from the upper side of the track, and excavating in the coal body from the mountain to the boundary of the section to form a pre-digging Track track; c Open the incision from the pre-digging lane or pre-excavation track lane to form the contact lane, through the pre-drilling lane and the pre-drilling lane; d. Reserve the protective coal pillar and cut the eye from the boundary of the protective coal pillar.
- the pre-digging transport lane is arranged by crushing Coal mining equipment consisting of machine, coal transfer machine and coal conveyor belt conveyor; f. Lane filling equipment consisting of self-moving transfer conveyor and conveyor belt conveyor in pre-excavation track lane ; g. Advancing the filling of the coal mining face from the direction of the mountain to the boundary of the section, implementing a step coal mining and filling operation,
- the invention effectively solves the technical problem that the retracting arrangement of the submerged working face can not guarantee the filling effect in the process of filling and mining in the resource-poor mine; the double-passway retaining lane technology is adopted, and the coal-free column mining is completely realized.
- the recovery rate of coal resources has been improved.
- the comprehensive mechanized solid filling mining of mines subject to geological conditions has become a reality by advancing the submerged working face.
- the invention utilizes solid materials to fill the goaf, effectively limits the range of the overlying strata in the stope, effectively controls the mine pressure and surface subsidence, and ensures the safe use of the ground structures, and liberates the "three down" pressure Coal has highlighted its unique technological advantages.
- FIG. 1 is a process flow diagram I of the present invention
- FIG. 2 is a process flow diagram II of the present invention
- Figure 3 is a layout of the work surface of the present invention.
- the pre-excavation two-way forward solid-filled coal mining method firstly, an incision is made from the coal-carrying mountain, and the coal body is excavated from the mountain to the boundary of the section to form a pre-digging transport lane 3; And in the coal body from the mountain to the boundary of the section to form a pre-excavation track lane 4; when the two pre-digging roadway tunneling to the section boundary, stop the excavation; then from the pre-digging lane 3 or pre-digging track lane 4 incision Forming a communication lane 21 to penetrate the pre-digging lane 3 and the pre-tracking lane 4; pre-digging the lane 3 to enter the wind, and pre-digging the track back 4 to form an initial ventilation system;
- the protective coal pillar 8 is reserved, and the cutting eye 7 is opened from the boundary of the protective coal pillar at the top of the mountain, and the pre-drilling lane 3 and the pre-drilling lane 4 are also connected to form a ventilation system for filling the coal mining face;
- the key coal mining equipment in the conveyor 12 is arranged; in the pre-excavation track lane 4, the self-moving transfer conveyor 15 and the key filling equipment in the lane of the conveyor belt conveyor 13 are arranged; after the equipment is installed, the forward-type propulsion filling is started.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2013358812A AU2013358812B2 (en) | 2012-12-10 | 2013-12-05 | Solid-filling coal mining method with two pre-excavated tunnels for advancing |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210527033.2 | 2012-12-10 | ||
| CN201210527033.2A CN102996131B (zh) | 2012-12-10 | 2012-12-10 | 一种预掘两巷前进式固体充填采煤方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014090108A1 true WO2014090108A1 (zh) | 2014-06-19 |
Family
ID=47925176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/088632 Ceased WO2014090108A1 (zh) | 2012-12-10 | 2013-12-05 | 一种预掘两巷前进式固体充填采煤方法 |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102996131B (zh) |
| AU (1) | AU2013358812B2 (zh) |
| WO (1) | WO2014090108A1 (zh) |
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| CN105952452A (zh) * | 2016-04-22 | 2016-09-21 | 中国矿业大学 | 油囊式固体充填采煤三维物理相似模拟实验装置及方法 |
| RU2676770C1 (ru) * | 2015-12-14 | 2019-01-11 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Способ определения длины заполняемой секции полностью механизированного угледобывающего заполняющего смешивающего шахтного комбайна |
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- 2013-12-05 WO PCT/CN2013/088632 patent/WO2014090108A1/zh not_active Ceased
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405437A (zh) * | 2014-10-08 | 2015-03-11 | 中国矿业大学 | 一种固体充填与综采混合式工作面开采方法 |
| CN104775819A (zh) * | 2015-03-27 | 2015-07-15 | 中国矿业大学 | 一种深部倾斜煤层回采巷道矿压控制开采方法 |
| RU2676770C1 (ru) * | 2015-12-14 | 2019-01-11 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Способ определения длины заполняемой секции полностью механизированного угледобывающего заполняющего смешивающего шахтного комбайна |
| CN105952452A (zh) * | 2016-04-22 | 2016-09-21 | 中国矿业大学 | 油囊式固体充填采煤三维物理相似模拟实验装置及方法 |
| CN112682082A (zh) * | 2021-01-26 | 2021-04-20 | 西安科技大学 | 急倾斜煤层柔性掩护支架机械化开采系统及方法 |
| CN116927809A (zh) * | 2023-09-12 | 2023-10-24 | 北京中京矿安科技有限公司 | 一种巷道支护结构及其施工方法 |
| CN116927809B (zh) * | 2023-09-12 | 2023-12-05 | 北京中京矿安科技有限公司 | 一种巷道支护结构及其施工方法 |
| CN119777877A (zh) * | 2025-03-12 | 2025-04-08 | 中国矿业大学(北京) | 一种采掘煤体迁移-控制不同层位空巷系统及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102996131A (zh) | 2013-03-27 |
| CN102996131B (zh) | 2014-10-29 |
| AU2013358812B2 (en) | 2016-01-21 |
| AU2013358812A1 (en) | 2014-11-06 |
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