CN109281706B - Roadway cleaning method - Google Patents
Roadway cleaning method Download PDFInfo
- Publication number
- CN109281706B CN109281706B CN201810928200.1A CN201810928200A CN109281706B CN 109281706 B CN109281706 B CN 109281706B CN 201810928200 A CN201810928200 A CN 201810928200A CN 109281706 B CN109281706 B CN 109281706B
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- roadway
- chute
- cleaning method
- belt
- slag
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- 238000004140 cleaning Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002699 waste material Substances 0.000 claims abstract description 46
- 239000002893 slag Substances 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000003245 coal Substances 0.000 claims description 27
- 238000004062 sedimentation Methods 0.000 claims description 14
- 241001417527 Pempheridae Species 0.000 claims description 10
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 239000003818 cinder Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The embodiment of the invention discloses a roadway cleaning method, which comprises the following steps: constructing along the direction vertical to the extension direction of the slag discharging roadway at the tail of the belt conveyor of the slag discharging roadway to form a dredging connecting roadway; constructing a chute on a bottom plate of the dredging connecting roadway so that waste residues enter the chute; and conveying the waste residues in the chute to the belt conveyor. By utilizing the embodiment of the invention, the cleaning space can be enlarged, the cleaning difficulty is reduced, the safety coefficient of cleaning is improved, and mechanical cleaning, cleaning efficiency and cleaning effect can be improved.
Description
Technical Field
The invention relates to the technical field of coal mines, in particular to a roadway cleaning method.
Background
The haystack mountain coal mine is a hydrologic extremely complex mine, and water spraying is large during roadway excavation and local water burst is large. In the slag discharging process, mine water and coal gangue are mixed into a whole and are transported outwards through a gangue inclined shaft. Because the gradient of the shaft of the gangue inclined shaft is larger and is about 20 degrees, coal and slag are seriously scattered along the gangue inclined shaft, particularly within the range of 1000m from a slope change point at the bottom of the gangue inclined shaft, wherein the slope change point at the bottom is the closest slope change point to the bottom of the gangue inclined shaft, the slope change point is the intersection point of two adjacent slope lines on the longitudinal section of the route, and the longitudinal section is parallel to the length direction of the route. However, the width of the shaft of the gangue inclined shaft is about 3.2m, the residual space is narrow after a belt is laid in the shaft, and when workers clean coal and slag on the bottom plate of the shaft, the danger coefficient is large, the cleaning difficulty is large, time and labor are consumed, and the cleaning effect is not ideal.
Disclosure of Invention
In view of this, an embodiment of the present invention provides a roadway cleaning method to solve the above technical problem.
The embodiment of the invention provides a roadway cleaning method, which comprises the following steps: constructing along the direction vertical to the extension direction of the slag discharging roadway at the tail of the belt conveyor of the slag discharging roadway to form a dredging connecting roadway; constructing a chute on a bottom plate of the dredging connecting roadway so that waste residues enter the chute; and conveying the waste residues in the chute to the belt conveyor.
Optionally, the chute is constructed under the main belt of the belt conveyor along a direction perpendicular to the length direction of the belt conveyor.
Optionally, before the waste slag in the chute is transported to the belt conveyor, the method further includes: a coal sweeper is arranged on a bottom belt of the belt conveyor, and a dumping hopper is arranged below the coal sweeper; and waste residues on the bottom belt enter the chute through the coal sweeper and the dumping hopper.
Optionally, the conveying the waste slag in the chute onto the belt conveyor comprises: the first scraper machine transfers the waste residue to a second scraper machine, wherein the first scraper machine is positioned in the chute; the waste residue is scraped trigger through the second and is transported to on the belt feeder, wherein, first scrape trigger and second and scrape trigger parallel arrangement, and the traffic direction is opposite.
Optionally, the chute is constructed along the central axis of the dredging connecting roadway.
Optionally, the dredging connecting roadway is communicated with a slag tapping roadway, wherein the slag tapping roadway is communicated with a slag tapping roadway and a main roadway.
Optionally, the dredging connecting roadway comprises a transverse roadway and a longitudinal roadway, the transverse roadway is parallel to the slag tapping roadway, the chute is located in the longitudinal roadway, a sedimentation tank is arranged in the transverse roadway, and waste water containing waste residues in the chute flows into the sedimentation tank.
Optionally, a junction of the transverse roadway and the longitudinal roadway is provided with a chamfer, and the radius of the chamfer is 2.5-3.5 m.
Optionally, the length of the transverse roadway is 28-29m, and the length of the longitudinal roadway is 19-20 m.
Optionally, the chute has a groove depth of 0.8-1 m.
According to the roadway cleaning method provided by the embodiment of the invention, the dredging connecting roadway is excavated at the bottommost part of the slag discharging roadway, the chute is constructed on the bottom plate of the dredging connecting roadway, and the waste residues are transported to the belt conveyor after entering the chute and depositing, so that the cleaning space can be enlarged, the cleaning difficulty is reduced, the safety coefficient of cleaning is improved, mechanical cleaning can be realized, and the cleaning efficiency and the cleaning effect are improved.
Drawings
Fig. 1 is a flowchart of a roadway cleaning method according to an embodiment of the present invention.
Fig. 2 is a position distribution diagram of a dredging connecting roadway according to an embodiment of the invention.
Fig. 3 is a cross-sectional view a-a of fig. 2.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 shows a flowchart of a roadway cleaning method according to an embodiment of the present invention, and as shown in fig. 1, the roadway cleaning method according to the embodiment of the present invention is mainly applied to a slag discharge roadway with a gradient greater than 12 °. The roadway cleaning method comprises the following steps:
s110, constructing along a direction vertical to the extension direction of the slag discharging roadway at the tail of the belt conveyor of the slag discharging roadway to form a dredging connecting roadway;
as shown in fig. 2, the tail of the belt conveyor is the bottommost part of the slag discharge roadway 1 so as to facilitate the scattered coal slag and coal slime to enter the dredging connecting roadway 2.
S120, constructing a chute on a bottom plate of the dredging connecting roadway to enable waste residues to enter the chute;
the coal slag, coal slime and mine water scattered from the belt of the belt conveyor are mixed and then flow into the chute under the action of self weight.
In a preferred embodiment of the invention, the chute is constructed below the main belt of the belt conveyor along the direction vertical to the length direction of the belt conveyor, so that coal slag and coal slime scattered by the belt can conveniently enter the chute. Wherein the main belt is a belt for transporting waste residues. The chute is constructed along the central axis of the dredging connecting roadway 2 so as to ensure that waste residues and mine water better flow into the chute.
S130, conveying the waste residues in the chute to the belt conveyor.
And after the waste residues are precipitated in the chute, fishing out the waste residues and conveying the waste residues to a belt conveyor. Can artifically transport the waste residue to the belt feeder on, also can adopt mechanical equipment to transport the waste residue to the belt feeder on, mechanical equipment can select to use the trigger of scraping.
According to the roadway cleaning method provided by the embodiment of the invention, the dredging connecting roadway is excavated at the bottommost part of the slag discharging roadway, the chute is constructed on the bottom plate of the dredging connecting roadway, and the waste residues are transported to the belt conveyor after entering the chute and depositing, so that the cleaning space can be enlarged, the cleaning difficulty is reduced, the safety coefficient of cleaning is improved, mechanical cleaning can be realized, and the cleaning efficiency and the cleaning effect are improved.
Further, S130, before the waste residue in the chute is transported to the belt conveyor, the method further comprises:
s122, installing a coal sweeper on a bottom belt of the belt conveyor, and installing a dumping hopper below the coal sweeper;
and S124, enabling waste residues on the bottom belt to enter the chute through the coal sweeper and the dumping hopper.
The bottom belt is positioned below the main belt. The waste residues such as coal slag, coal slime and the like on the bottom belt fall into the material pouring hopper after being cleaned by the coal sweeper, and enter the chute from the material pouring hopper.
Through setting up on the end belt and sweeping the coal ware, sweep the waste residue of coal ware on with end belt and sweep to the hopper back, reentrant chute is interior, not only can avoid carrying a large amount of coal slime, cinder on the belt, influences the normal operation of belt feeder, but also can avoid coal slime, cinder to scatter around, reduces and cleans work load, improves cleaning efficiency.
Optionally, S130, the transporting the waste slag in the chute to the belt conveyor includes:
s1301, transferring the waste residue to a second scraper by the first scraper, wherein the first scraper is positioned in a chute;
after the waste residue and the mine water are mixed, the waste residue can automatically flow into a first scraper conveyor in a chute, and the waste residue is precipitated and then conveyed to a second scraper conveyor by the first scraper conveyor.
S1302, conveying the waste residues to the belt conveyor through a second scraper, wherein the first scraper and the second scraper are arranged in parallel and the running directions are opposite.
Through adopting two scraper conveyors that traffic direction is opposite, transport the waste residue to the belt feeder on, the human cost of reducible clearance reduces the intensity of labour of clearance, further improves the waste residue and transports efficiency, improves cleaning speed.
Alternatively, as shown in fig. 2, the dredging connecting roadway 2 is communicated with the slag tapping roadway 3. Wherein, 3 intercommunication slag tap roadways 1 and the big lane in the road of slag tap, not only can make things convenient for the ventilation in the desilting road of contact 2, still can make the waste water in the desilting road of contact 2 arrange to the big lane, further improve clearance speed.
Preferably, as shown in fig. 2, the dredging connecting roadway 2 comprises a transverse roadway 22 and a longitudinal roadway 21, the transverse roadway 22 is parallel to the slag tapping roadway 1, the chute is located in the longitudinal roadway 21, and a sedimentation tank 4 is arranged in the transverse roadway 22.
In the process of conveying the waste residues by the first scraper, the waste water containing small waste residue particles falling from the first scraper or flowing out of the chute flows into the sedimentation tank 4. After the sedimentation is carried out by the sedimentation tank 4, the wastewater in the sedimentation tank 4 is discharged to a large roadway from the slag discharge roadway connecting roadway 3, and the waste residue in the sedimentation tank 4 is transported to the first scraper conveyor by a transfer vehicle.
As shown in fig. 3, the slopes of the two side walls of the sedimentation tank 4 in the length direction are all about 7 °, the depth of the sedimentation tank 4 is about 1m, and the vehicle can conveniently be transported to enter and exit the sedimentation tank 4, so that the waste residue is transported to the first scraper, and the treatment speed of the waste residue is improved. Wherein, the length direction of the sedimentation tank 4 is consistent with the extending direction of the transverse roadway 22.
Furthermore, the junction 23 of the transverse roadway 22 and the longitudinal roadway 21 is set to be a chamfer with the radius of 2.5-3.5m, so as to facilitate the shunting of vehicles. In this embodiment, the radius of the chamfer is about 3 m.
In a preferred embodiment of the invention, the length of the dredging connecting roadway is 47-48m, wherein the length of the transverse roadway 22 is 28-29m, and the length of the longitudinal roadway 21 is 19-20 m. In fig. 2 and 3, the dredging connecting roadway 2 has a length of about 47.84, the transverse roadway 22 has a length of about 28.70m, and the longitudinal roadway 21 has a length of about 19.14 m.
Furthermore, the chute depth of the chute is 0.8-1m, and the width of the chute is more than or equal to that of the scraper, so that the arrangement of the first scraper is facilitated.
The technical solutions of the present invention have been described in detail with reference to specific embodiments, which are used to help understand the ideas of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present invention also belong to the protection scope of the present invention.
Claims (9)
1. A roadway cleaning method is characterized by comprising the following steps:
constructing along the direction vertical to the extension direction of the slag discharging roadway at the tail of the belt conveyor of the slag discharging roadway to form a dredging connecting roadway;
constructing a chute on a bottom plate of the dredging connecting roadway so that waste residues enter the chute;
conveying the waste residues in the chute to the belt conveyor;
with in the chute waste residue fortune extremely include on the belt feeder:
the first scraper machine transfers the waste residue to the second scraper machine, wherein the first scraper machine is positioned in the chute;
the waste residue is scraped trigger through the second and is transported to on the belt feeder, wherein, first scrape trigger and second and scrape trigger parallel arrangement, and the traffic direction is opposite.
2. The roadway cleaning method of claim 1, wherein the chute is constructed to be below the main belt of the belt conveyor in a direction perpendicular to the length direction of the belt conveyor.
3. The roadway cleaning method of claim 2, wherein before conveying the waste slag in the chute onto the belt conveyor, further comprising:
a coal sweeper is arranged on a bottom belt of the belt conveyor, and a dumping hopper is arranged below the coal sweeper;
and waste residues on the bottom belt enter the chute through the coal sweeper and the dumping hopper.
4. A method of cleaning a roadway as claimed in claim 1 wherein the chute is constructed along the central axis of the dredging connecting roadway.
5. The roadway cleaning method according to claim 1, wherein the dredging communication roadway is communicated with a slag discharge roadway communication roadway, wherein the slag discharge roadway communication roadway is communicated with a slag discharge roadway and a main roadway.
6. The roadway cleaning method according to claim 5, wherein the dredging connecting roadway comprises a transverse roadway and a longitudinal roadway, the transverse roadway is parallel to the slag tapping roadway, the chute is located in the longitudinal roadway, a sedimentation tank is arranged in the transverse roadway, and waste water containing waste slag in the chute flows into the sedimentation tank.
7. A roadway cleaning method as claimed in claim 6, wherein the junction of the transverse roadway and the longitudinal roadway is provided with a chamfer, and the radius of the chamfer is 2.5-3.5 m.
8. A roadway cleaning method as claimed in claim 7, wherein the length of the transverse roadway is 28-29m, and the length of the longitudinal roadway is 19-20 m.
9. A roadway cleaning method as claimed in any one of claims 1 to 8, wherein the trough depth of said chute is 0.8 to 1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928200.1A CN109281706B (en) | 2018-08-15 | 2018-08-15 | Roadway cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928200.1A CN109281706B (en) | 2018-08-15 | 2018-08-15 | Roadway cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281706A CN109281706A (en) | 2019-01-29 |
| CN109281706B true CN109281706B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810928200.1A Active CN109281706B (en) | 2018-08-15 | 2018-08-15 | Roadway cleaning method |
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| Country | Link |
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| CN (1) | CN109281706B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111926765A (en) * | 2020-08-03 | 2020-11-13 | 中核国电漳州能源有限公司 | Method for controlling sediment suspended matters in sea-wading construction in reciprocating flow sea area |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4426406C1 (en) * | 1994-07-26 | 1995-11-02 | Beukenberg Maschf | Transfer device for coal |
| CN2737739Y (en) * | 2004-09-28 | 2005-11-02 | 张磊 | Coal mine underwell driving belt conveyer for transporting waste rock |
| CN104533429B (en) * | 2014-12-15 | 2016-08-24 | 中国矿业大学 | Double-roadway combined rapid tunneling gangue discharge system and method |
| CN105401951B (en) * | 2015-12-04 | 2017-12-22 | 永城煤电控股集团有限公司 | The double rock gangways in colliery share discharge refuse method and system |
| CN105464678A (en) * | 2015-12-30 | 2016-04-06 | 中国神华能源股份有限公司 | Rapid roadway tunneling method and system |
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| CN109281706A (en) | 2019-01-29 |
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