CN109763783B - Underground gas-water-slag separation system with dust hood for mine - Google Patents
Underground gas-water-slag separation system with dust hood for mine Download PDFInfo
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- CN109763783B CN109763783B CN201910117319.5A CN201910117319A CN109763783B CN 109763783 B CN109763783 B CN 109763783B CN 201910117319 A CN201910117319 A CN 201910117319A CN 109763783 B CN109763783 B CN 109763783B
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- coal
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- 239000002893 slag Substances 0.000 title claims abstract description 92
- 239000000428 dust Substances 0.000 title claims abstract description 50
- 238000000926 separation method Methods 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000003245 coal Substances 0.000 claims abstract description 47
- 238000005065 mining Methods 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Cyclones (AREA)
Abstract
The invention relates to a mining underground gas-water-slag separation system with a dust hood, which comprises a gas-water-slag separation device, a drainage pipeline, a connecting pipeline, a drill rod, a novel dust hood and a main negative pressure pipeline, wherein the gas-water-slag separation device is filled with the novel dust hood to carry out water-slag separation, and gas in a coal layer is filled with the novel dust hood to be drained away from the main negative pressure pipeline. The invention has reasonable structure, ingenious design, low cost, light weight, small installation labor intensity, effective collection and classification treatment of the gas-water slag, convenient use, light and handy movement and convenient operation and maintenance, solves the technical problems that the existing coal mine punching water flow coal slime cleaning and the gas gushing out bring great inconvenience to the tunnel construction and the workers in the past, and has good market prospect and development space for the prior art.
Description
Technical Field
The invention relates to the technical field of underground mine water-slag removing equipment, in particular to an underground mine gas-water-slag separating system with a dust hood.
Background
The coal mine is a large country of coal mine resources, a large amount of dust coal ash is inevitably generated in the process of drilling, exploitation, screening and transportation of the coal mine, gas is released, currently, the water conservation and hole making technology is commonly adopted in the coal mine, and high-pressure water is used for hole making on a mining surface in the whole process of drilling, so that the problem of mine gas overrun is prevented. However, a large amount of water is used in the high-pressure water hole making process, and although the dust problem is solved to a great extent, the problems of cleaning the coal slime and flushing gas in the punching water flow still exist.
Currently, a dust collecting cover is generally adopted to collect air and water slag in mines, and most of the existing dust collecting covers are made of iron and copper materials; the cost is higher, the quality is heavy, the labor intensity of workers is high during installation, and the use is very inconvenient.
Aiming at the problem of slime, the existing coal mine generally adopts the water slag in the mine to flow into a low-lying collecting box along a roadway, water seeps out from a gap after the water slag is collected, and workers load the residual slime on a belt to carry away; the roadway stores a large amount of water, coal cinder is accumulated in the roadway, and great inconvenience is brought to roadway construction and workers in and out.
How to design a reasonable in structure, design benefit, low cost, light in weight, installation intensity of labour is little, effectively collects gas-water slag and classification handles, convenient to use, and it is the problem that needs to solve at present to remove light and handy mining gas-water slag separation system in pit that has the dust cage.
Disclosure of Invention
In order to solve the problem that the existing coal mine commonly adopts a water conservation hole-making technology, high-pressure water is used for making holes on a mining surface in the whole process of drilling, and the problem of mine gas overrun is prevented. However, a large amount of water is used in the high-pressure water hole making process, and although the dust problem is solved to a great extent, the problems of cleaning coal slime and gas emission in punching water flow still exist; currently, a dust collecting cover is generally adopted to collect air and water slag in mines, and most of the existing dust collecting covers are made of iron and copper materials; the cost is high, the quality is heavy, the labor intensity of workers is high during installation, and the use is very inconvenient; the water slag under the mine flows into the low-lying collecting box along the roadway, water seeps out from the gap after the water slag is collected, and workers load the residual coal slag on a belt to be carried away; the invention provides a mining underground gas-water-slag separation system with a dust collecting cover, which has the advantages of reasonable structure, ingenious design, low cost, light weight, small installation labor intensity, effective collection and classification of gas-water slag, convenient use and light movement.
The technical scheme adopted by the invention for solving the technical problems is as follows: the mining underground gas-water-slag separation system comprises a gas-water-slag separation device, a drainage pipeline, a connecting pipeline, a drill rod, a novel dust hood and a main negative pressure pipeline, wherein the extension end of the novel dust hood is fixed in a coal seam; the anti-friction sleeve is an annular structural member protruding outwards, the steel balls are embedded outside the anti-friction sleeve and are tightly pressed and sealed through the sealing piece, a threaded hole is formed in the sealing piece, the bolt piece penetrates through the threaded hole and is fixed on the rotating flange, the drill rod stretches into the barrel to conduct drilling operation, and produced gas and water slag enter different pipelines to be discharged through the gas drainage port and the gas-water slag outlet respectively.
The gas-water-slag separation device comprises a collection cone cylinder and a separation cylinder, wherein the bottom of the separation cylinder is provided with a water outlet, the lower part of the top of the separation cylinder is provided with a slag outlet, a filter screen is arranged in the collection cone cylinder, and wastewater in the coal water slag is filtered out through the filter screen and flows out from the water outlet; the separating cylinder is internally provided with an auger, the auger provides power through a power source, and the coal slime residue after water filtration is conveyed to the top of the separating cylinder through the auger and is discharged outwards through a slag outlet.
The mesh number of the filter screen is 60 meshes.
The separating cylinder is provided with an observation window for monitoring the water slag conveying in real time.
The bottom of the separating cylinder is provided with a walking underframe.
Compared with the prior art, the invention has the beneficial effects that:
1) The invention comprises a gas-water-slag separation device, a drainage pipeline, a connecting pipeline, a drill rod, a novel dust hood and a main negative pressure pipeline, wherein the extension end of the novel dust hood is fixed in a coal seam, the drill rod is positioned in a cylinder of the novel dust hood, the gas-water-slag separation device is communicated with one side of the novel dust hood through the connecting pipeline, the other side of the novel dust hood is communicated with the main negative pressure pipeline through the connecting pipeline, when the drill rod drills in a rotating way, water in a coal layer mixes coal powder to form coal water slag, the coal water slag enters the gas-water-slag separation device through the novel dust hood for water-slag separation, and gas in the coal layer enters the main negative pressure pipeline for being drained through the novel dust hood;
2) The novel dust collecting cover comprises a barrel, a gas-water slag outlet, a gas drainage outlet, a rotating flange, steel balls, an antifriction sleeve, a sealing piece and a bolt piece, wherein the gas-water slag outlet is communicated with a gas-water slag separation device through a connecting pipe, and the gas drainage outlet is communicated with a main negative pressure pipeline through a connecting pipe; the anti-friction sleeve is an annular structural member protruding outwards, the steel balls are embedded outside the anti-friction sleeve and are tightly pressed and sealed through the sealing piece, a threaded hole is formed in the sealing piece, the bolt piece penetrates through the threaded hole and is fixed on the rotating flange, the drill rod stretches into the cylinder body to perform drilling operation, and generated gas and water slag enter different pipelines to be discharged through the gas drainage port and the gas-water slag outlet respectively;
3) The gas-water-slag separation device comprises a collection cone cylinder and a separation cylinder, wherein the bottom of the separation cylinder is provided with a water outlet, the lower part of the top of the separation cylinder is provided with a slag outlet, a filter screen is arranged in the collection cone cylinder, and wastewater in the coal water slag is filtered out through the filter screen and flows out from the water outlet; an auger is arranged in the separating cylinder, the auger provides power through a power source, and the coal slime residue after water filtration is conveyed to the top of the separating cylinder through the auger and is discharged outwards through a slag outlet;
4) The mesh number of the filter screen is 60 meshes, so that the waste water and the coal slime are effectively separated, and the water precipitation of the coal slime is ensured;
5) The separating cylinder is provided with an observation window for monitoring water slag conveying in real time, so that the conveying condition of the coal slime is detected at any time, and blockage is prevented;
6) The bottom of the separating cylinder is provided with a chassis with travelling wheels, so that the movement and the operation are lighter.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a gas-water-slag separation system according to the present invention;
FIG. 2 is a schematic view of the novel dust hood;
FIG. 3 is a schematic diagram of the structure of the gas-water-slag separation device;
the marks in the figure: 1. the device comprises a water outlet, 2, a slag outlet, 3, a gas-water-slag separation device, 301, a collecting cone, 302, a separating cylinder, 303, a filter screen, 304, an auger, 305, an observation window, 4, a pumping pipeline, 5, a connecting pipeline, 6, a drill rod, 7, a novel dust collecting cover, 701, a cylinder, 702, a gas-water-slag outlet, 703, a gas pumping outlet, 704, a rotating flange, 705, steel balls, 706, an antifriction sleeve, 707, a sealing element, 708, a bolt element, 8, a main negative pressure pipeline, 9, a coal bed, 10 and an underframe.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in the figure, the mining underground gas-water-slag separation system with dust hood comprises a gas-water-slag separation device 3, a drainage pipeline 4, a connecting pipeline 5, a drill rod 6, a novel dust hood 7 and a main negative pressure pipeline 8, wherein the extension end of the novel dust hood 7 is fixed in a coal seam 9, the drill rod 6 is positioned in a barrel of the novel dust hood 7, the gas-water-slag separation device 3 is communicated with one side of the novel dust hood 7 through the connecting pipeline 5, the other side of the novel dust hood 7 is communicated with the main negative pressure pipeline 8 through the connecting pipeline 5, when the drill rod 6 is rotationally drilled, water flow mixed with coal dust in the coal seam 9 forms coal water slag, the coal water slag enters the gas-water-slag separation device 3 through the novel dust hood 7 and is drained in the main negative pressure pipeline 8, the novel dust hood 7 comprises a barrel 701, a lower gas water slag port 702, a gas drainage port 703, a rotating flange 704, a steel ball 705, a friction reducing sleeve 706, a sealing piece 707 and a bolt 708, and the lower gas water slag port 702 is communicated with the gas-water-slag separation device 3 through the connecting pipeline 5, and is communicated with the main negative pressure pipeline 703 through the main negative pressure pipeline 703; the antifriction sleeve 706 is an annular structural member protruding outwards, the steel ball 705 is embedded outside the antifriction sleeve 706 and is tightly pressed and sealed through the sealing piece 707, a threaded hole is formed in the sealing piece 707, the bolt piece 708 penetrates through the threaded hole and is fixed on the rotating flange 704, the drill rod 6 stretches into the cylinder 701 to perform drilling operation, and generated gas and water slag enter different pipelines to be discharged through the gas drainage port 703 and the gas-water slag outlet 702 respectively.
The above is a basic embodiment of the present invention, and further improvements, improvements and limitations may be made on the above: the gas-water-slag separation device 3 comprises a collection cone 301 and a separation cylinder 302, wherein the bottom of the separation cylinder 302 is provided with a water outlet 1, the lower part of the top of the separation cylinder 302 is provided with a slag outlet 2, a filter screen 303 is arranged in the collection cone 301, and wastewater in the coal-water slag is filtered out through the filter screen 303 and flows out from the water outlet 1; an auger 304 is arranged in the separating cylinder 302, the auger 304 provides power through a power source, and the coal slime residues after water filtration are conveyed to the top of the separating cylinder 302 through the auger 304 and are discharged outwards through a slag outlet 2.
The above is a basic embodiment of the present invention, and further improvements, improvements and limitations may be made on the above: the mesh size of the screen 303 as described is 60 mesh.
The above is a basic embodiment of the present invention, and further improvements, improvements and limitations may be made on the above: the separating drum 302 is provided with an observation window 305 for monitoring the water slag conveying in real time.
The above is a basic embodiment of the present invention, and further improvements, improvements and limitations may be made on the above: the bottom of the separating drum 302 as described is provided with a walkable chassis 11.
In practical application, fix novel dust cage 7 and drilling rod 6 and carry out drilling operation after reserving drilling, gas, sparge water and buggy etc. in coal seam 9 get into in novel dust cage 7's the barrel 701 from the preformed hole, and gas and the water slag that produces are respectively through gas drainage port 703 and lower gas water slag hole 702 and are got into main negative pressure pipeline 8 and in the collection cone 301 of gas water slag separator 3, and the coal slime falls into in the cone 301 from the connecting line, gas drainage pipeline 4 is connected with main negative pressure pipeline 8, utilizes the negative pressure in order to discharge the gas that mixes in the water slag in main negative pressure pipeline 8, and waste water in the coal slime is discharged from delivery port 1 after filtering out from filter screen 303, and the coal slime is upwards promoted by auger 304, and the coal slime that is carried to the auger 304 terminal is discharged from slag hole 2, can directly go up the belt.
The invention has reasonable structure, ingenious design, low cost, light weight, small installation labor intensity, effective collection and classification treatment of the gas-water slag, convenient use, light and handy movement and convenient operation and maintenance, and solves the problems that the prior coal mine commonly adopts the water conservancy hole making technology to make holes on the mining surface by using high-pressure water in the whole process of drilling and prevent and treat the mine gas overrun. However, a large amount of water is used in the high-pressure water hole making process, and although the dust problem is solved to a great extent, the problems of cleaning coal slime and gas emission in punching water flow still exist; currently, a dust collecting cover is generally adopted to collect air and water slag in mines, and most of the existing dust collecting covers are made of iron and copper materials; the cost is high, the quality is heavy, the labor intensity of workers is high during installation, and the use is very inconvenient; the water slag under the mine flows into the low-lying collecting box along the roadway, water seeps out from the gap after the water slag is collected, and workers load the residual coal slag on a belt to be carried away; the roadway stores a large amount of water, coal cinder is piled up in the roadway, so that the technical problems of great inconvenience for roadway construction, workers in the past and the like are solved, and the roadway has good market prospect and development space for the prior art.
While the preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments and examples, and various changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (2)
1. The utility model provides a mining underground gas water slag separation system with dust collecting cover, including gas water slag separation device (3), take out drain line (4), connecting line (5), drilling rod (6), novel dust collecting cover (7) and main negative pressure pipeline (8), the extension end of novel dust collecting cover (7) is fixed in coal seam (9), drilling rod (6) are located the barrel of novel dust collecting cover (7), gas water slag separation device (3) are through connecting line (5) and novel dust collecting cover (7) one side intercommunication, the opposite side of novel dust collecting cover (7) is through connecting pipe and main negative pressure pipeline (8) intercommunication, when drilling rod (6) rotatory brill, rivers hybrid buggy in coal seam (9) form coal water slag, enter into in gas water slag separation device (3) through novel dust collecting cover (7), gas in coal seam (9) is entered into in main negative pressure pipeline (8) and is taken out, its characterized in that: the novel dust hood (7) comprises a barrel (701), a gas-water-slag outlet (702), a gas drainage outlet (703), a rotating flange (704), steel balls (705), a antifriction sleeve (706), a sealing piece (707) and a bolt piece (708), wherein the gas-water-slag outlet (702) is communicated with the gas-water-slag separation device (3) through a connecting pipeline (5), and the gas drainage outlet (703) is communicated with a main negative pressure pipeline (8) through a connecting pipe; the anti-friction sleeve (706) is an annular structural member protruding outwards, the steel balls (705) are embedded outside the anti-friction sleeve (706) and are tightly pressed and sealed through the sealing piece (707), a threaded hole is formed in the sealing piece (707), the bolt piece (708) penetrates through the threaded hole and is fixed on the rotating flange (704), the drill rod (6) stretches into the cylinder (701) to perform drilling operation, and generated gas and water slag enter different pipelines to be discharged through the gas drainage port (703) and the gas water slag outlet (702); the gas-water-slag separation device (3) comprises a collection cone (301) and a separation cylinder (302), a water outlet (1) is formed in the bottom of the separation cylinder (302), a slag outlet (2) is formed below the top of the separation cylinder (302), a filter screen (303) is arranged in the collection cone (301), and wastewater in the coal-water slag is filtered out through the filter screen (303) and flows out from the water outlet (1); an auger (304) is arranged in the separating cylinder (302), the auger (304) provides power through a power source, and the coal slime residue after water filtration is conveyed to the top of the separating cylinder (302) through the auger (304) and is discharged outwards through a slag outlet (2); the mesh number of the filter screen (303) is 60 meshes; the separating cylinder (302) is provided with an observation window (305) for monitoring the water slag conveying in real time.
2. A mining downhole gas-water-slag separation system with dust hood as set forth in claim 1, wherein: the bottom of the separating cylinder (302) is provided with a underframe (10) with travelling wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117319.5A CN109763783B (en) | 2019-02-15 | 2019-02-15 | Underground gas-water-slag separation system with dust hood for mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910117319.5A CN109763783B (en) | 2019-02-15 | 2019-02-15 | Underground gas-water-slag separation system with dust hood for mine |
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| Publication Number | Publication Date |
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| CN109763783A CN109763783A (en) | 2019-05-17 |
| CN109763783B true CN109763783B (en) | 2024-03-12 |
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| CN201910117319.5A Active CN109763783B (en) | 2019-02-15 | 2019-02-15 | Underground gas-water-slag separation system with dust hood for mine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439530A (en) * | 2019-09-16 | 2019-11-12 | 平顶山市安泰华矿用安全设备制造有限公司 | A kind of separator box cylinder Integral rotary air water slag separation pedrail |
| CN110538497A (en) * | 2019-09-30 | 2019-12-06 | 平顶山市安泰华矿用安全设备制造有限公司 | Negative pressure drainage mobile water-slag separating device |
| CN112627879A (en) * | 2020-12-18 | 2021-04-09 | 平顶山天安煤业股份有限公司 | Gas-water-slag separation and discharge device for gas extraction drill hole |
| CN112843801A (en) * | 2021-01-30 | 2021-05-28 | 平顶山市安泰华矿用安全设备制造有限公司 | Centrifugal coal water slag solid-liquid separation machine of scraper blade for underground coal mine drilling field |
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| JP2003120164A (en) * | 2001-10-15 | 2003-04-23 | Japan Found Eng Co Ltd | Discharged soil and dust collecting device for excavation |
| CN202531064U (en) * | 2012-04-16 | 2012-11-14 | 平顶山市安泰华矿用安全设备制造有限公司 | Dust catcher of water jet spiral slag discharging hole |
| CN103216201A (en) * | 2013-05-09 | 2013-07-24 | 武汉大学 | Device for packing and separating mining gas-water slag |
| CN103352718A (en) * | 2013-07-29 | 2013-10-16 | 河南理工大学 | Fully-sealed wind power slagging gas-drainage deep well drilling system and method |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI118038B (en) * | 2005-11-24 | 2007-06-15 | Sandvik Tamrock Oy | Arrangement for dust treatment |
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2019
- 2019-02-15 CN CN201910117319.5A patent/CN109763783B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120164A (en) * | 2001-10-15 | 2003-04-23 | Japan Found Eng Co Ltd | Discharged soil and dust collecting device for excavation |
| CN202531064U (en) * | 2012-04-16 | 2012-11-14 | 平顶山市安泰华矿用安全设备制造有限公司 | Dust catcher of water jet spiral slag discharging hole |
| CN103216201A (en) * | 2013-05-09 | 2013-07-24 | 武汉大学 | Device for packing and separating mining gas-water slag |
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