CN109973144B - Two-wing mining method for filling and rotating alternative cooperative operation - Google Patents
Two-wing mining method for filling and rotating alternative cooperative operation Download PDFInfo
- Publication number
- CN109973144B CN109973144B CN201910271127.XA CN201910271127A CN109973144B CN 109973144 B CN109973144 B CN 109973144B CN 201910271127 A CN201910271127 A CN 201910271127A CN 109973144 B CN109973144 B CN 109973144B
- Authority
- CN
- China
- Prior art keywords
- working face
- mining
- wing
- coal
- roadway
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
Abstract
The invention relates to the field of coal mining, in particular to a two-wing mining method for realizing filling and rotation alternative cooperative operation. Combining the restriction of a mining mode after the coal pillar is mined on the last working face of the mining area in a climbing or belt advancing manner in the mining area, under the condition of double-wing mining in the climbing or large roadway, one wing is lifted and moved to the same-wing continuous working face one by adopting an unexploited coal-free pillar to penetrate through the climbing or large roadway and a bracket, and then is filled section by section to form a gob-side entry retaining, the other wing working face adopts a coal-free pillar to penetrate through the climbing or large roadway, then is rotated to mine the coal pillar for protection in the climbing or large roadway, is pushed to the upper end of the mining working face to stop mining, and is moved to the same-wing continuous working face, and the mining method of repeated and alternate cooperative operation is realized in the mining area of the two wings. The mining method improves the problem of recovery rate between the working face and the mountain or the large roadway due to the remaining of the protective coal pillar, and improves the production efficiency of the mine; the defined mode of recovering the coal pillar is improved.
Description
Technical Field
The invention relates to the field of coal mining, in particular to a two-wing mining method for filling and rotating alternative cooperative operation.
Background
At present, in domestic and foreign well fields, partition type and zonal type are mainly used according to coal seam occurrence conditions, when working faces are arranged in a mining area and a zone, protective coal pillars need to be reserved on two sides of a mountain and a large roadway, if mining is carried out in the mining area, generally upward mining needs to be adopted, and the mountain protective coal pillars are recovered after the mining of the last working face at the boundary of the mining area is finished; if the recovery is carried out in the zone, the zone advancing type is generally adopted, and the recovery of the roadway protection coal pillar is carried out after the recovery of the last working face of the well field boundary is finished. If the common mining area descending type or the belt area retreating type is adopted, the recovery of the protective coal pillars of the ascending or the large roadway is difficult to realize.
Conventionally, even if the upward-traveling or zone-advancing mining of the working face in the upward mountain is adopted, when coal pillars are recovered after the last working face is mined, the protective coal pillars on two sides of the upward mountain or the main roadway cannot be recovered, namely, certain coal loss still exists.
In summary, the existing coal pillar recovery work is strongly limited in connection with a mining area or a working face of a belt area, the coal pillar recovery work can be carried out only after the last working face is mined, and an up-going or forward mining mode is required, so that the coal pillar recovery work is not universal. In addition, the protective coal pillars between the working face and the mountain or the roadway are difficult to recover, and the recovery rate of the mine is influenced.
Disclosure of Invention
In view of the above technical problems, the present invention is directed to a two-wing mining method that realizes the alternate and cooperative operation of filling and rotation, so as to solve the problem of the limitation of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the two-wing mining method for realizing the filling and rotation alternate cooperative operation comprises the following processes:
a. mining areas or zones are mined on both sides of an uphill or a large roadway.
b. And (3) mining a first working face on one side of the upper mountain or the main roadway, after mining is finished, directly communicating the working face with the upper mountain or the main roadway, wherein the communication position is a mining stopping line, moving equipment from the mining stopping line to the working face continuing to the same wing in sequence, and filling the mining stopping line position section by section along with the frame removal to form a gob-side entry retaining.
c. And during the period of mining and removing the frame of the first working face and forming the gob-side entry retaining of the ascending or the large lane, the mining of the working face corresponding to the other wing is started simultaneously, after the mining of the working face is finished, the working face is directly communicated with the ascending or the large lane, and the working face is rotated in real time by taking the lower end of the working face as the center of a circle after the communication.
d. The working face is rotated by 90 degrees and then pushed downwards, the protective coal pillars on the mountain or the roadway are recovered, the coal pillars are pushed to the upper end of the continuous working face to stop mining, and the equipment is moved to the continuous working face with the same wing.
e. And (4) after the first working face is moved and the equipment is installed, extracting can be started, and the previous through, moving and roadway retaining operation processes are repeated.
f. The working face corresponding to the other wing is moved to the working face continuing to be mined after the equipment is installed from the coal pillar recovery working face, and the previous penetrating, rotating and coal pillar recovery operations are repeated.
The method is preferably suitable for two-wing sequential mining of the working face of the mining area or the zone area, wherein one wing has no coal pillar and forms a filling gob-side entry retaining after penetrating through the upper mountain or the large lane, the other wing has no coal pillar and penetrates through the upper mountain or the large lane, the working face rotates to mine the upper mountain protection coal pillar, and the two working faces sequentially mine.
Specifically, in step a, the mining area or zone is mined on both sides of an uphill or a roadway, and two working faces can be arranged in the same mining area or mining level.
And b, mining a first working face at one side of the upper mountain or the large roadway, after mining is finished, directly communicating the working face with the upper mountain or the large roadway, wherein the communication position is a mining stopping line, moving equipment from the mining stopping line to the working face continuing to the same wing in sequence, and filling the mining stopping line position section by section along with the process of frame removal to form a gob-side entry retaining.
And c, during the period of mining and removing the frame of the first working face and forming the gob-side entry retaining of the ascending or the main lane, simultaneously starting mining on the working face corresponding to the other wing, directly communicating with the ascending or the main lane after mining on the working face is finished, and performing real rotation on the working face by taking the lower end of the working face as the center of a circle after communication.
And d, rotating the working face by 90 degrees, then pushing downwards, recovering the protective coal pillars on the mountains or the large roadways, pushing to the upper end of the continuous working face, stopping mining, and moving the equipment to the continuous working face with the same wing.
And e, after the first working face is moved and the equipment is installed, the stoping can be started, and the previous through, moving and roadway retaining operation processes are repeated.
In the step f, the working face corresponding to the other wing is moved to the working face continuing to be mined after the installation of the equipment is finished from the coal pillar recovery working face, and the previous penetrating, rotating and coal pillar recovery operations are repeated.
The two-wing mining method for realizing the filling and rotation alternate cooperative operation has the following advantages:
(1) and no protective coal pillar exists on the two wings of the mountain or the main roadway, so that the recovery rate of the mine is high.
(2) The working face is continued below the same wing after the working face is stoped, and the working face of the other wing is stoped and is rotated to mine the coal pillar to the mountain to protect the coal pillar, so that the cooperativity is strong, and the mine efficiency is high.
(3) The method improves the limit mode of recovering the protective coal pillars in the mountains or the main roadways after the recovery of the last working face of the ascending type or the advancing type of the belt area of the current mining area is finished, can be applied to the descending type and the retreating type of the belt area of the more common mining area, and is not limited by the mining sequence of the working face.
Drawings
FIG. 1 is a schematic diagram of the connection arrangement of the last working face of the existing double-wing mining area or band area and the coal pillar recovery working face;
fig. 2 is a technical schematic diagram of a two-wing mining method for realizing filling and rotation alternate cooperative operation according to an embodiment.
Detailed Description
The embodiments of the present invention will be described with reference to the accompanying drawings.
In this embodiment, in the first step, two wings of a panel or zone are mined in an uphill or a major roadway, with two faces arranged in the same panel or mining level.
And secondly, mining a first working face on one side of the upper mountain or the large roadway, after mining is finished, directly communicating the working face with the upper mountain or the large roadway, wherein the communication position is a mining stopping line, moving equipment from the mining stopping line to the working face continuing to the same wing in sequence, and filling the mining stopping line position section by section along with the process of frame removal to form a gob-side entry retaining.
And thirdly, during the period of mining and removing the frame of the first working face and forming the gob-side entry retaining of the ascending or the main lane, simultaneously starting mining on the working face corresponding to the other wing, directly communicating with the ascending or the main lane after mining on the working face is finished, and performing real rotation on the working face by taking the lower end of the working face as the center of a circle after communication.
Fourthly, the working face is pushed downwards after rotating by 90 degrees, the coal pillars protected in the mountains or the large roadways are recovered, the coal pillars are pushed to the upper end of the continuous working face to stop mining, and the equipment is moved to the continuous working face with the same wing.
And fifthly, the first working face can start to recover after being moved and the equipment is installed, and the previous through, moving and roadway retaining operation processes are repeated.
And sixthly, moving the working surface corresponding to the other wing from the coal pillar recovery working surface to the same-wing continuous working surface, continuously recovering after the equipment is installed, and repeating the previous operations of penetrating, rotating and coal pillar recovery.
Claims (1)
1. The two-wing mining method with filling and rotation alternately and cooperatively operated is characterized by comprising the following processes:
a. mining areas or zones on two wings of an ascending mountain or a large roadway;
b. mining a first working face on one side of an upper mountain or a large roadway, after mining is finished, directly communicating the working face with the upper mountain or the large roadway, wherein the communication position is a mining stopping line, moving equipment from the mining stopping line to a working face continuing to the same wing in sequence, and filling the mining stopping line position section by section along with the frame removal to form a gob-side entry retaining;
c. during the period of mining and removing the frame of the first working face and forming the gob-side entry retaining of the ascending or the large lane, the mining of the working face corresponding to the other wing is started simultaneously, after the mining of the working face is finished, the working face is directly communicated with the ascending or the large lane, and the working face is rotated in real time by taking the lower end of the working face as the center of a circle after the communication;
d. the working face rotates 90 degrees and then pushes downwards, the protective coal pillars on the mountain or the roadway are recovered and pushed to the upper end of the continuous working face to stop mining, and the equipment is moved to the continuous working face with the same wing;
e. after the first working face is moved and the equipment is installed, the stoping can be started, and the previous through, moving and roadway retaining operation flows are repeated;
f. the working face corresponding to the other wing is moved to the working face continuing to be mined after the equipment is installed from the coal pillar recovery working face, and the previous penetrating, rotating and coal pillar recovery operations are repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271127.XA CN109973144B (en) | 2019-04-04 | 2019-04-04 | Two-wing mining method for filling and rotating alternative cooperative operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271127.XA CN109973144B (en) | 2019-04-04 | 2019-04-04 | Two-wing mining method for filling and rotating alternative cooperative operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973144A CN109973144A (en) | 2019-07-05 |
| CN109973144B true CN109973144B (en) | 2022-04-12 |
Family
ID=67082925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271127.XA Active CN109973144B (en) | 2019-04-04 | 2019-04-04 | Two-wing mining method for filling and rotating alternative cooperative operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973144B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1794196C (en) * | 1991-04-01 | 1993-02-07 | Игд Им.А.А.Скочинского | Machine for construction of filling mass |
| CN101936172B (en) * | 2010-08-06 | 2012-06-27 | 中国矿业大学 | Governance method of floor heave of mine roadway during mining |
| CN102168579A (en) * | 2011-04-15 | 2011-08-31 | 中南大学 | Rib-pillar-free continuous sublevel filling method for mining preparation in medium-thickness slope crushed ore body vein |
| CN103821558B (en) * | 2014-02-14 | 2016-02-24 | 安徽理工大学 | Coal mine gob filling mining and gob side entry retaining filling process |
-
2019
- 2019-04-04 CN CN201910271127.XA patent/CN109973144B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109973144A (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104314570B (en) | Long thick ore body Wall ore reclaims and the transitional exploitation method of open air trestle | |
| CN101824985B (en) | Non-coal pillar mining method of protective coal pillars in coal mine | |
| CN111828007B (en) | Stoping method for residual studs in underground mine goaf | |
| CN102619513B (en) | Room and pillar type medium-length hole filling mining method using bottom ore withdrawal structures simultaneously arranged in original rock | |
| CN103967493B (en) | A kind of slight slope and thin ore body ore pillar mining codes | |
| CN104775819B (en) | Deep inclined coal seam mining roadway mine pressure control mining method | |
| CN104632223B (en) | Mining environment reconstructing movable type pumping filling artificial ore pillar shrinkage stoping | |
| CN102352769A (en) | Integrated mining method for commonly mining coal and gas of high mine | |
| CN104100292A (en) | Regional forced gas extraction method for single low-permeability outburst thick coal seam | |
| CN103104260B (en) | Under complex geological condition, comprehensive-machine is to hand-pulled noodles coal-mining method | |
| CN106499395A (en) | The quick-fried power scraper of shallow bore hole rock drilling cooperates with haulage Sublevel room mining | |
| CN111706328B (en) | Mining method for treating goaf left pillars by filling method | |
| CN108952720B (en) | Method for reducing primary caving step by mechanically cutting hard direct roof during initial mining | |
| CN110130899A (en) | Coal mining method without coal pillar, roadway and tunneling in whole mining area | |
| CN109798116B (en) | Method for realizing complete coal pillar-free mining area or belt area of double-wing arrangement working face | |
| CN110043309A (en) | Close the method for arranging and well bore installation method of the gas drainage well of coal mine | |
| CN105134212B (en) | A kind of method that three soft high seam tunnel ensures the rate of extraction along top driving longwall top coal caving | |
| CN113503150A (en) | Bauxite in-situ leaching mining method | |
| CN112593940A (en) | Arrangement process for remaining coal pillars and processing ground gangue by stope-type coal mining method | |
| CN109184696B (en) | New horizontal preparation method for improving annual decline speed of deep mining of strip mine | |
| CN109973144B (en) | Two-wing mining method for filling and rotating alternative cooperative operation | |
| CN107780936B (en) | A kind of high seam something lost coal second mining technique | |
| CN109869151B (en) | Cooperative operation method for realizing working face mining and protecting coal pillar recovery | |
| CN108086978B (en) | Coal mining method suitable for deep well extra-thick coal seam | |
| CN109882176B (en) | Double-wing alternate collaborative stoping method for end mining filling and hydraulic support roof cutting gob-side entry retaining |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |