CN108952716A - A kind of more lane method for arranging in high seam coal wall - Google Patents
A kind of more lane method for arranging in high seam coal wall Download PDFInfo
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- CN108952716A CN108952716A CN201810647476.2A CN201810647476A CN108952716A CN 108952716 A CN108952716 A CN 108952716A CN 201810647476 A CN201810647476 A CN 201810647476A CN 108952716 A CN108952716 A CN 108952716A
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- working face
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- tailgate
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- 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
Abstract
The present invention relates to field of coal mining, specifically a kind of more lane method for arranging in high seam coal wall.The tunnel for solving the conventional more lane arrangement systems in coal wall is tunneled along bottom plate, in the presence of section airway influenced by repeated mining, maintenance time is long, problem difficult in maintenance.The following steps are included: step 1: tunneling four gallerys of the first working face in parallel, wherein the first auxiliary fortune gallery and the first main fortune gallery are arranged along backplane, the first main tailgate and the first auxiliary tailgate along top plate；Step 2: the first working face of exploitation；Step 3: second the second auxiliary fortune gallery of working face tunnels four gallerys of the second working face in the first work face goaf in parallel after the first working face mining terminates half a year or more；Step 4: the second working face coal of exploitation；Step 5: so successively sequence arrangement follow-up work face is exploited, using arrangement identical with previous work face, successively sequence back production.Economy of the present invention is more preferable, safety is higher.
Description
Technical field
The present invention relates to field of coal mining, specifically a kind of more lane method for arranging in high seam coal wall.
Background technique
In China, longwall mining working face extraction tunnel (including headentry and air return lane) is general using single lane
Arrangement.But when coal seam gas-bearing capacity is big, exploiting field water yield is big, or because of the requirement such as driving, ventilation, transport, single lane arrangement cannot expire
It when foot requires, need to be arranged using the lane Shuan Xianghuoduo, as western China Oversize Mine is all made of Shuan Xiang and more lanes arrangement.
The major advantage of the lane Shuan Xianghuoduo arrangement includes: that (1) tunneling ventilation is easy；(2) outlet there are two disengaging development ends,
Back production also keeps away calamity outlet, and safety is good；(3) can advance exploration coal seam variation, be conducive to for machine lane orient；(4) it is convenient to sluice；(5)
Easily send material to machine lane (installation and maintenance)；(6) it creates conditions to adopt face above and below and taking in time.
But the tunnel of the more lane arrangement systems in routine coal wall is tunneled along bottom plate at present, and there are many styles, with double
Lane arrangement for, in the presence of section airway influenced by repeated mining, maintenance time is long, difficult in maintenance；Section coal pillar loss amount is big
The problems such as.
It is also only single lane arrangement that staggered floor position roadway layout adopts complete thick coal-mining method always since the invention.Several studies have shown that
Being disposed with for different layers position tunnel avoids same layer position seam mining stress caused by the tunnel of this layer of position concentration conducive to adjacent tunnel.
However, for the lane staggered floor Wei Duo arrangement coal wall, there has been no relevant reports at present.
Summary of the invention
The present invention is tunneled along bottom plate to solve the tunnel of the more lane arrangement systems in conventional coal wall, and there are lower curtates
Air way is influenced by repeated mining, and maintenance time is long, difficult in maintenance；The problems such as section coal pillar loss amount is big provides a kind of high seam
The more lane method for arranging in coal wall.
The present invention takes following technical scheme: a kind of more lane method for arranging in high seam coal wall, comprising the following steps:
Step 1: tunneling four gallerys of the first working face in parallel, wherein the first auxiliary fortune gallery and the first main fortune gallery are along bottom plate
Arrangement, the first main tailgate and the first auxiliary tailgate are arranged along top plate, are located at the higher layer position in the coal seam, right end working face
Slope has been gradually completed by equipment such as every section chute of adjusting drag conveyor, hydraulic supports, has formed the first working face mining system
System；
Step 2: the first working face of exploitation；
Step 3: second the second auxiliary fortune gallery of working face is in the first working face after the first working face mining terminates half a year or more
Four gallerys of the second working face are tunneled in goaf in parallel, wherein the first of wrong first working face is led back in the second auxiliary fortune gallery
Wind gallery is arranged in below mined out area edge, and the second main fortune gallery is tunneled along bottom plate and low one layer of position is located at the first main tailgate
With the lower section among the first auxiliary tailgate, the first working face, the second main tailgate and the second auxiliary tailgate are along top plate cloth
It sets, the arrangement of two working faces is similar, forms the second working face mining system；
Step 4: the second working face coal of exploitation；
Step 5: so successively sequence arrangement follow-up work face is exploited, using arrangement identical with previous work face,
Successively sequence back production.
Compared with prior art, the more lane method for arranging in high seam coal wall provided by the invention can be effectively improved at present
More lanes arrangement there are the problem of, since the coal wall of more lanes arrangement has part to form overlap joint, section coal pillar size can be substantially
Reduce, secondly, coal column can be produced partially, comprehensive loss of coal pillar substantially reduces；Since two air return lanes of working face one end are along top
Plate driving, is in higher layer position, and drawing-off gas effect is more preferable；Adjacent roadway layout is in different layer positions between working face, on
Be conducive to adjacent subsequent work face lower layer position tunnel after one working face mining and avoid upper layer position seam mining to upper layer position coal and rock
Caused by stress concentrate；In addition, for there is the case where dirt band in high seam, this arrangement can cut dirt band layer in advance in advance, be conducive to
Improve top coal caving characteristics.To sum up, this method economy is more preferable, safety is higher.
Detailed description of the invention
Fig. 1 is the more lane plane of arrangement figures of high seam working face；
Fig. 2 is that cross-section diagram is arranged in the more lanes of high seam working face；
Fig. 3 is the tradition lane staggered floor Wei Dan arrangement schematic diagram；
The auxiliary fortune gallery of 1- first in figure, the main fortune gallery of 2- first, the first working face of 3-, the auxiliary fortune gallery of 4- second, 5- first are led back
Wind gallery, the auxiliary fortune gallery of 6- second, the main fortune gallery of 7- second, the second working face of 8-, the main tailgate of 9- second, 10- second are auxiliary
Tailgate, the auxiliary tailgate of 11- first.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.However the one skilled in the art would recognize that present invention
Therefore it is not any way limited.
A kind of more lane method for arranging in high seam coal wall, comprising the following steps:
Step 1: tunneling four gallerys of the first working face in parallel, wherein the first auxiliary fortune gallery and the first main fortune gallery are along bottom plate
Arrangement, the first main tailgate and the first auxiliary tailgate are arranged along top plate, are located at the higher layer position in the coal seam, right end working face
Slope has been gradually completed by equipment such as every section chute of adjusting drag conveyor, hydraulic supports, has formed the first working face mining system
System；
Step 2: the first working face of exploitation；
Step 3: second the second auxiliary fortune gallery of working face is in the first working face after the first working face mining terminates half a year or more
Four gallerys of the second working face are tunneled in goaf in parallel, wherein the first of wrong first working face is led back in the second auxiliary fortune gallery
Wind gallery is arranged in below mined out area edge, and the second main fortune gallery is tunneled along bottom plate and low one layer of position, and it is flat to be located at the first main return air
Lower section among lane and the first auxiliary tailgate, the first working face, the second main tailgate and the second auxiliary tailgate are along top plate
Arrangement, the arrangement of two working faces is similar, forms the second working face mining system；
Step 4: the second working face coal of exploitation；
Step 5: so successively sequence arrangement follow-up work face is exploited, using arrangement identical with previous work face,
Successively sequence back production.
As shown in Figure 1, the first auxiliary fortune gallery and the first main fortune gallery of the first working face are along backplane, the first main return air
Gallery and the first auxiliary tailgate are arranged along top plate, are located at the higher layer position in the coal seam, are conducive to drawing-off gas, therefore right end works
Gradually play slope in face；For the second working face, (the general 6-12 after the first working face mining terminates overlying strata movement and goaf is stablized
A month), the auxiliary fortune gallery of the second of the second working face and the second main fortune gallery are along backplane, wherein wrong in the second auxiliary fortune gallery
The main tailgate of the first of first working face is arranged in below mined out area edge, and the second main fortune gallery is along bottom plate driving and one layer low
Position is arranged in lower section among the first main tailgate and the first auxiliary tailgate, second the second main tailgate of working face and the
Two auxiliary tailgates are along top plate arrangement, the arrangement homomorphosis of two working faces；The subsequent coal wall Duo Xiang so connects
Arrangement is gone down.It is compared with Fig. 3 tradition staggered floor Wei Dan lane arrangement schematic diagram, more lane arrangement systems are in the lane staggered floor Wei Dan arrangement system
On the basis of increase number of lanes and rationally design tunnelling position, increase tunnel handling capacity, to adapt to large-scale mine fortune
The requirement of defeated, ventilation etc..
Claims (2)
1. a kind of more lane method for arranging in high seam coal wall, which comprises the following steps:
Step 1: tunneling four gallerys of the first working face in parallel, wherein the first auxiliary fortune gallery and the first main fortune gallery are along bottom plate
Arrangement, the first main tailgate and the first auxiliary tailgate are arranged along top plate, are located at the higher layer position in the coal seam, right end working face
Slope has been gradually completed by equipment such as every section chute of adjusting drag conveyor, hydraulic supports, has formed the first working face mining system
System；
Step 2: the first working face of exploitation；
Step 3: second the second auxiliary fortune gallery of working face is in the first working face after the first working face mining terminates half a year or more
Four gallerys of the second working face are tunneled in goaf in parallel, wherein the first of wrong first working face is led back in the second auxiliary fortune gallery
Wind gallery is arranged in below mined out area edge, and the second main fortune gallery is tunneled along bottom plate and low one layer of position is located at the first main tailgate
With the lower section among the first auxiliary tailgate, the first working face, the second main tailgate and the second auxiliary tailgate are along top plate cloth
It sets, the arrangement of two working faces is similar, forms the second working face mining system；
Step 4: the second working face coal of exploitation；
Step 5: so successively sequence arrangement follow-up work face is exploited.
2. the more lane method for arranging in high seam coal wall according to claim 1, it is characterised in that: the described the 5th
In step, using arrangement identical with previous work face, successively sequence back production.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647476.2A CN108952716B (en) | 2018-06-22 | 2018-06-22 | Thick coal seam longwall working face multi-lane arrangement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647476.2A CN108952716B (en) | 2018-06-22 | 2018-06-22 | Thick coal seam longwall working face multi-lane arrangement method |
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| CN108952716A true CN108952716A (en) | 2018-12-07 |
| CN108952716B CN108952716B (en) | 2020-06-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080767A (en) * | 2019-04-03 | 2019-08-02 | 太原理工大学 | A kind of thick seam slicing system working face overlap joint method for arranging |
| CN110630264A (en) * | 2018-12-26 | 2019-12-31 | 中国矿业大学 | Arrangement method for multi-layering longwall mining roadway of huge thick coal seam |
| CN110748345A (en) * | 2019-12-05 | 2020-02-04 | 华北科技学院 | Method for preventing rock burst of deep double-roadway arrangement working face of coal mine |
| CN112963196A (en) * | 2021-03-15 | 2021-06-15 | 中国煤炭科工集团太原研究院有限公司 | Filling mining method for protecting coal pillars between lanes |
| CN113605919A (en) * | 2021-08-17 | 2021-11-05 | 山西晋煤集团技术研究院有限责任公司 | Method for reusing upper layered working face roadway reserved as lower layered working face |
| CN113669060A (en) * | 2021-09-13 | 2021-11-19 | 中国矿业大学 | H-shaped coal face stoping roadway arrangement method |
| CN115839249A (en) * | 2023-01-16 | 2023-03-24 | 煤炭科学技术研究院有限公司 | Method for arranging ultra-long working face double-measure roadway under sequential mining condition |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630264A (en) * | 2018-12-26 | 2019-12-31 | 中国矿业大学 | Arrangement method for multi-layering longwall mining roadway of huge thick coal seam |
| CN110080767A (en) * | 2019-04-03 | 2019-08-02 | 太原理工大学 | A kind of thick seam slicing system working face overlap joint method for arranging |
| CN110748345A (en) * | 2019-12-05 | 2020-02-04 | 华北科技学院 | Method for preventing rock burst of deep double-roadway arrangement working face of coal mine |
| CN110748345B (en) * | 2019-12-05 | 2021-04-09 | 华北科技学院 | Method for preventing rock burst of deep double-roadway arrangement working face of coal mine |
| CN112963196A (en) * | 2021-03-15 | 2021-06-15 | 中国煤炭科工集团太原研究院有限公司 | Filling mining method for protecting coal pillars between lanes |
| CN112963196B (en) * | 2021-03-15 | 2023-10-03 | 中国煤炭科工集团太原研究院有限公司 | Method for filling and mining protection coal pillar between roadways |
| CN113605919A (en) * | 2021-08-17 | 2021-11-05 | 山西晋煤集团技术研究院有限责任公司 | Method for reusing upper layered working face roadway reserved as lower layered working face |
| CN113605919B (en) * | 2021-08-17 | 2023-09-08 | 山西晋煤集团技术研究院有限责任公司 | Method for setting upper layered working face roadway as lower layered working face multiplexing |
| CN113669060A (en) * | 2021-09-13 | 2021-11-19 | 中国矿业大学 | H-shaped coal face stoping roadway arrangement method |
| CN115839249A (en) * | 2023-01-16 | 2023-03-24 | 煤炭科学技术研究院有限公司 | Method for arranging ultra-long working face double-measure roadway under sequential mining condition |
| CN115839249B (en) * | 2023-01-16 | 2023-04-18 | 煤炭科学技术研究院有限公司 | Method for arranging ultra-long working face double-measure roadway under sequential mining condition |
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