CN111156046B - Dry type dust removal system for underground fully mechanized coal mining face - Google Patents
Dry type dust removal system for underground fully mechanized coal mining face Download PDFInfo
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- CN111156046B CN111156046B CN202010035972.XA CN202010035972A CN111156046B CN 111156046 B CN111156046 B CN 111156046B CN 202010035972 A CN202010035972 A CN 202010035972A CN 111156046 B CN111156046 B CN 111156046B
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- 239000000428 dust Substances 0.000 title claims abstract description 175
- 238000005065 mining Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000005453 pelletization Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/20—Drawing-off or depositing dust
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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)
- Cyclones (AREA)
Abstract
The invention discloses a dry dust removal system for an underground fully mechanized mining face, which can carry out auxiliary wind pressure pushing at the tail end of a dust removal system and can carry out multi-directional dust removal and dust collection, and is characterized in that the wind pipe is a wind pipe in the existing underground ventilation system, a driving motor is arranged at the bottom of a conical flow pipe, a transmission shaft is arranged in the conical flow pipe, one end of the transmission shaft is connected with a motor shaft of the driving motor, a sealing bearing is arranged between the transmission shaft and the bottom end of the conical flow pipe, the diameter of the conical flow pipe is gradually increased from bottom to top, the top end of the conical flow pipe vertically extends upwards for a section, the bottom end of a main body cylinder is sleeved with the vertical section at the top end of the conical flow pipe, a position limiting ring is arranged on the inner wall of the conical flow pipe and is attached to the bottom end of the main body cylinder, the other end of the, the inner rotary wheel is rotatably sleeved in the main body cylinder, and two limiting rings are arranged on the inner wall of the main body cylinder.
Description
Technical Field
The invention discloses a dry type dust removal system for an underground fully mechanized coal mining face, relates to a dry type dust removal system for an underground fully mechanized coal mining face, and belongs to the field of mining equipment. In particular to a dust removal system which can carry out auxiliary wind pressure pushing at the tail end of the dust removal system and can carry out multi-directional dust removal and dust collection.
Background
At present, in the dust removal process, in order to guarantee the working environment of the excavation face, more and more dry type dust removal systems are adopted for dust removal and dust fall, so as to guarantee the safety of the working face, the current dry type dust removal is mainly bag dust removal, the bag dust removal is mainly realized through a blowing structure and a bag, and a bag cage is matched for use, dust-containing gas is captured and dried, the dust removal chamber of the traditional bag dust remover is single and centralized, the dust capture cover structure is a single pipe barrel structure and only plays a role in diversion, during dust removal, shutdown cleaning is needed, 24-hour operation dust removal cannot be met, in addition, the existing bag dust removal is in a tail end air extraction mode, the air pressure is serious in continuous end loss, and effective gas collection dust fall cannot be formed.
Publication No. CN209771611U discloses a dry dust removal system, which comprises an air inlet pipe, an air outlet pipe, an ash discharge assembly and a plurality of dust chambers surrounded by a carbon steel box body, wherein the air inlet pipe comprises an air inlet main pipe and an air inlet branch pipe communicated with each dust removing chamber, the inner diameter of the air inlet main pipe is gradually reduced along the air inlet direction, a blowing assembly is arranged above the dust removing chamber, and the interior is vertically provided with an air filtering component, the gas to be treated which is introduced into the air inlet branch pipe is filtered by the air filtering component and then is discharged through the air outlet pipe, the blowing component and each dust chamber are controlled to be communicated by an independent electromagnetic valve, the dust adsorbed by the cloth bag in the air filtering component is collected and cleaned by the dust discharging component arranged at the bottom of the dust chamber under the action of the blowing component, the device structure is complicated, can not adapt to the dust removal dust fall of excavating the in-process, and entire system dust collecting pipeline single direction, can not carry out the gas collection comprehensively and remove dust.
The publication No. CN205109225U discloses a dry dust removal system for explosion hazard places, which comprises a workshop dust removal system and a dust collection device, wherein the workshop dust removal system consists of a workshop dust remover, an air outlet at the top of the workshop dust remover is connected with a workshop dust removal fan through a pipeline, an air-locking and dust-discharging port of the workshop dust removal system is arranged at the bottom of the workshop dust remover, and the air-locking and dust-discharging port of the workshop dust removal system is connected with a dust collection system through a dust collection air pipe; the dust collecting system comprises a dust collecting and removing device, the air inlet of the dust collecting and removing device is connected with a dust collecting air pipe, the bottom of the dust collecting and removing device is provided with a dust collecting system air locking and dust discharging port, the bottom of the dust collecting system air locking and dust discharging port is connected with a dust collecting device, the device is complex in structure, the dust collecting air pipe is single, and the 24-hour starting cleaning cannot be carried out.
Disclosure of Invention
In order to improve the situation, the dry type dust removal system for the underground fully mechanized coal mining face provided by the invention can perform auxiliary wind pressure pushing at the tail end of the dust removal system and can perform multi-direction dust removal and dust collection.
The invention relates to a dry type dust removal system for an underground fully mechanized coal mining face, which is realized by the following steps: the invention relates to a dry type dust removal system for a fully mechanized mining face in a well, which comprises a dust collection device and an air pipe, wherein the dust collection device is communicated with the air pipe, the air pipe is in the existing ventilation system in the well, the dust collection device comprises a main body cylinder, a connecting pipe, a dust removal pipe, a conical flow pipe, a driving motor, a sealing bearing, a transmission shaft, a connecting disc, an inner rotating wheel sheet, an inner rotating wheel, a filter screen, a dust collection filter core and a fixing ring, the driving motor is arranged at the bottom of the conical flow pipe, the transmission shaft is arranged in the conical flow pipe, one end of the transmission shaft is connected with a motor shaft of the driving motor, the sealing bearing is arranged between the transmission shaft and the bottom end of the conical flow pipe, the diameter of the conical flow pipe is gradually increased from bottom to top, the top end of the conical flow pipe vertically extends upwards for a section, the bottom end of the main body cylinder, the other end of the transmission shaft vertically extends upwards into the main body cylinder, the connecting disc is sleeved at the other end of the transmission shaft, the inner rotating wheel is rotatably sleeved in the main body cylinder, two limiting rings are arranged on the inner wall of the main body cylinder, the inner rotating wheel is positioned between the two limiting rings on the inner wall of the main body cylinder, a plurality of inner rotating wheel sheets are arranged on the inner side surface of the inner rotating wheel at equal angles, the bottom ends of the inner rotating wheel sheets extend downwards to be connected with the connecting disc, a plurality of connecting pipes are arranged on the outer side surface of the main body cylinder at equal angles, the connecting pipes are communicated with the main body cylinder, the connecting pipes are positioned below the inner rotating wheel, the connecting pipes incline downwards from one end to the other end, one end of each dust removing pipe is sleeved with the other end of the connecting pipe through a connecting sleeve, the dust collecting filter core is arranged in the dust removing pipe, the filter, torsion spring has been put to the cover on the articulated shaft, torsion spring's one end is connected with solid fixed ring, and the other end is connected with the pipe that removes dust, the diameter of the pipe that removes dust is greater than the diameter of connecting pipe, gu fixed ring's internal diameter is less than the external diameter of collection dirt filter core, the filtration pore of collection dirt filter core reduces towards the connecting pipe direction gradually.
Has the beneficial effects.
The multi-channel gas collection can collect gas and remove dust in all directions of the underground working face.
And secondly, each gas collection channel works independently, and the machine can be started to be detached and cleaned independently to remove dust.
And thirdly, pushing and sucking the air pressure at the terminal to improve the pressure intensity of the air pressure of the air collection.
Fourthly, the structure is simple and small, and the air pipe is convenient to be combined with the existing air pipe for use.
Drawings
FIG. 1 is a perspective view of a dry dust removal system for a fully mechanized mining face of a mine;
FIG. 2 is a schematic structural diagram of a dry dust removal system for a fully mechanized mining face in a well;
FIG. 3 is a perspective view of a rotary wheel in the dry dust removal system for a fully mechanized mining face in a well according to the present invention;
FIG. 4 is a top view of a dry dusting system for a downhole fully mechanized mining face of the present invention;
FIG. 5 is a schematic structural diagram of a dust removal pipe of a dry dust removal system for a fully mechanized mining face in a well.
In the attached drawings
Wherein the method comprises the following steps: the dust collection device comprises a main body cylinder (1), a connecting pipe (2), a dust removal pipe (3), a cone flow pipe (4), a driving motor (5), a sealing bearing (6), a transmission shaft (7), a connecting disc (8), an inner rotary wheel sheet (9), an inner rotary wheel (10), a filter screen (11), a dust collection filter core (12) and a fixing ring (13).
The specific implementation mode is as follows:
the invention relates to a dry type dust removal system for an underground fully mechanized coal mining face, which is realized by the following steps: the invention relates to a dry type dust removal system for a fully mechanized mining face in a well, which comprises a dust collection device and an air pipe, wherein the dust collection device is communicated with the air pipe, the air pipe is in the existing ventilation system in the well, the dust collection device comprises a main body cylinder (1), a connecting pipe (2), a dust removal pipe (3), a conical flow pipe (4), a driving motor (5), a sealing bearing (6), a transmission shaft (7), a connecting disc (8), an inner rotary wheel sheet (9), an inner rotary wheel (10), a filter screen (11), a dust collection filter core (12) and a fixing ring (13), the driving motor (5) is arranged at the bottom of the conical flow pipe (4), the transmission shaft (7) is arranged in the conical flow pipe (4), one end of the transmission shaft (7) is connected with a motor shaft of the driving motor (5), the sealing bearing (6) is arranged between the transmission shaft (7) and the bottom end of the conical flow pipe (4), the top of awl flow tube (4) is vertical upwards to extend one section, and the bottom of a main part section of thick bamboo (1) and the vertical section on awl flow tube (4) top cup joint, awl flow tube (4) inner wall is overhead to be put a spacing ring, and laminates with a main part section of thick bamboo (1) bottom mutually, the other end of transmission shaft (7) is vertical upwards to extend to in a main part section of thick bamboo (1), and connection pad (8) are overlapped in the other end of transmission shaft (7), and rotatable the cover of interior runner (10) is arranged in a main part section of thick bamboo (1), be put two spacing rings on a main part section of thick bamboo (1) inner wall, interior runner (10) are located between two spacing rings on a main part section of thick bamboo (1) inner wall, and on the medial surface of interior runner (10) is arranged in to angles such as a plurality of interior runner pieces (9), the bottom downwardly extending of interior runner piece (9) is connected with connection pad (8), and on a plurality of connecting pipe (2), the dust collection device is characterized in that the connecting pipe (2) is communicated with the main body cylinder (1), the connecting pipe (2) is positioned below the inner rotating wheel (10), the connecting pipe (2) inclines downwards from one end to the other end in an inclined manner, one end of the dust collection pipe (3) is sleeved with the other end of the connecting pipe (2) through a connecting sleeve, the dust collection filter element (12) is arranged in the dust collection pipe (3), the filter screen (11) is arranged at one end, close to the connecting pipe (2), of the dust collection filter element (12), the fixing ring (13) is hinged to the other end of the dust collection pipe (3) through a hinge shaft, a torsion spring is sleeved on the hinge shaft, one end of the torsion spring is connected with the fixing ring (13), the other end of the torsion spring is connected with the dust collection pipe (3), the diameter of the dust collection pipe (3) is larger than that of the connecting pipe (2, the filtering holes of the dust collecting filter element (12) gradually decrease towards the direction of the connecting pipe (2).
When the dust removal device is used, the dust removal device is communicated with the air pipe in advance, the dust removal pipe (3) faces to the fully mechanized mining face, the dust removal device is positioned at the tail end of the dust removal system, when the air pipe performs air extraction during dust removal, the driving motor (5) is started, the driving motor (5) drives the transmission shaft (7) to rotate, the transmission shaft (7) drives the inner rotating wheel (10) and the inner rotating wheel sheet (9) to rotate, upward cyclone is generated in the main body cylinder (1), external air is inwards supplemented through the connecting pipe (2), further, a dust collection force is formed in the connecting pipe (2), dust-containing gas is filtered through the dust filter element (12), then enters the connecting pipe (2) through the filter screen (11) and is pumped away, the dust removal device performs auxiliary pushing and sucking at the tail end of the dust removal system, the serious influence of the wind pressure on the dust collection effect is avoided, and the dust removal device is provided with a plurality of dust removal pipes (3), the dust collecting device can collect dust in multiple directions, when the dust collecting filter element (12) is blocked, the fixing ring (13) is opened to take out the dust collecting filter element (12) for replacement, each dust collecting pipe (3) works independently, and therefore 24-hour work can be guaranteed without shutdown and cleaning; the top end of the conical flow pipe (4) vertically extends upwards for a section so as to be in sleeve connection with the main body cylinder (1); the inner wall of the main body cylinder (1) is provided with two limiting rings, so that the inner rotating wheel (10) can be limited, and the inner rotating wheel is prevented from shaking and deviating in the main body cylinder (1);
the connecting pipe (2) is obliquely inclined downwards from one end to the other end, so that the entering airflow can generate a cyclone tangential line in the main body cylinder (1), and the stability of the airflow is ensured; the diameter of the dust removal pipe (3) is larger than that of the connecting pipe (2), so that dust-containing air can enter the dust removal pipe, a larger dust collection filter element (12) can be accommodated, and the dust filtering effect is good;
the inner diameter of the fixing ring (13) is smaller than the outer diameter of the dust collecting filter element (12), so that the dust collecting filter element (12) is limited while gas entering is not influenced, and the dust collecting filter element is prevented from sliding out of the dust removing pipe (3); the design that the filtering holes of the dust collecting filter element (12) are gradually reduced towards the direction of the connecting pipe (2) gradually improves the filtering degree, and further improves the dust filtering effect; the dust removal pipes (3) are matched with the main body cylinder (1), so that dust collection in multiple directions can be performed, the dust removal is more comprehensive, and the effect is better;
the driving motor (5) is matched with the inner rotating wheel (10) and the inner rotating wheel sheet (9), cyclone can be generated in the main body cylinder (1), suction force is generated on the dust removal pipe (3), and then auxiliary wind pressure pushing is performed at the tail end of a dust removal system, so that the serious influence of the wind pressure loss at the tail end on dust collection is avoided; the transmission shaft (7) drives the inner rotating wheel (10) and the inner rotating wheel sheet (9) to rotate, an upward cyclone design is generated in the main body cylinder (1), suction force can be generated in the dust removing pipe (3), so that the dust removing pipe (3) is assisted to suck and collect dust, and assisted wind pressure pushing is performed at the tail end of a dust removing system;
the purposes of assisting wind pressure pushing at the tail end of a dust removal system and multi-direction dust removal and dust collection are achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. The utility model provides a combine in pit and adopt working face dry-type dust pelletizing system which characterized by: the dust collecting device is composed of a main body cylinder, a connecting pipe, a dust removing pipe, a conical flow pipe, a driving motor, a sealing bearing, a transmission shaft, a connecting disc, an inner rotating wheel piece, an inner rotating wheel, a filter screen, a dust collecting filter core and a fixing ring, wherein the driving motor is arranged at the bottom of the conical flow pipe, the transmission shaft is arranged in the conical flow pipe, one end of the transmission shaft is connected with a motor shaft of the driving motor, the sealing bearing is arranged between the transmission shaft and the bottom end of the conical flow pipe, the bottom end of the main body cylinder is sleeved with a vertical section at the top end of the conical flow pipe, a limiting ring is arranged on the inner wall of the conical flow pipe and is attached to the bottom end of the main body cylinder, the other end of the transmission shaft vertically extends upwards into the main body cylinder, the connecting disc is sleeved on the other end of the transmission shaft, and the inner rotating wheel is sleeved in the, the utility model discloses a dust removal device, including main part section of thick bamboo inner wall, interior runner is located between two spacing rings on the main part section of thick bamboo inner wall, and on the medial surface of interior runner was arranged in to angles such as a plurality of adversion wheel pieces, the bottom downwardly extending of adversion wheel piece is connected with the connection pad, and angle such as a plurality of connecting pipes were arranged in on the main part section of thick bamboo lateral surface, connecting pipe and main part section of thick bamboo are linked together, the below of runner in the connecting pipe is located, dust removal pipe one end cup joints through adapter sleeve and the connecting pipe other end mutually, and it is intraductal that the dust removal is arranged in to collect the dust filter core, and the filter screen is arranged in one of collection dust filter core and is served near the connecting pipe, gu fixed.
2. The dry dedusting system for the underground fully mechanized mining face of claim 1, wherein the diameter of the conical flow pipe gradually increases from bottom to top, and the top end of the conical flow pipe extends vertically upwards for a certain length.
3. The dry dust removal system for the fully mechanized mining face in the well according to claim 1, wherein the two limiting rings on the inner wall of the main body cylinder can limit the inner rotating wheel to prevent the inner rotating wheel from shaking and shifting in the main body cylinder.
4. The dry dust removal system for the underground fully mechanized mining face of claim 1, wherein the connecting pipe is inclined downwards from one end to the other end, so that the incoming airflow can be tangential to a cyclone generated in the main body cylinder, and the stability of the airflow is ensured.
5. The dry dedusting system for a downhole fully mechanized mining face of claim 1, wherein the dedusting pipe has a diameter larger than that of the connecting pipe so as to facilitate the entry of the dust-laden air and accommodate a larger dust collecting filter element.
6. The dry dust removal system for the underground fully mechanized mining face of claim 1, wherein the inner diameter of the fixing ring is smaller than the outer diameter of the dust collecting filter element, so that the dust collecting filter element is limited while gas entering is not affected, and the dust collecting filter element is prevented from sliding out of the dust removing pipe.
7. The dry dedusting system for the fully mechanized mining face in the well according to claim 1, wherein the filtering holes of the dust collecting filter element are gradually reduced toward the connecting pipe.
8. The dry dedusting system for the fully mechanized mining face in the well according to claim 5, wherein a plurality of dedusting pipes are matched with the main body cylinder, so that dust collection in a plurality of directions can be carried out.
9. The dry dust removal system for the underground fully mechanized mining face of claim 1, wherein the driving motor is coupled with the inner rotary wheel and the inner rotary wheel piece, so that a cyclone can be generated in the main body cylinder to generate a suction force on the dust removal pipe, and an auxiliary wind pressure push is performed at the tail end of the dust removal system, thereby preventing the wind pressure loss at the tail end from seriously affecting dust collection.
10. The dry dust removal system for the fully mechanized mining face in the well according to claim 1, wherein the transmission shaft drives the inner rotary wheel and the inner rotary wheel to rotate, an upward cyclone is generated in the main body cylinder, so as to generate a suction force in the dust removal pipe, assist in dust collection of the dust removal pipe, and assist in pushing by wind pressure at the end of the dust removal system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035972.XA CN111156046B (en) | 2020-01-14 | 2020-01-14 | Dry type dust removal system for underground fully mechanized coal mining face |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035972.XA CN111156046B (en) | 2020-01-14 | 2020-01-14 | Dry type dust removal system for underground fully mechanized coal mining face |
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| CN111156046A CN111156046A (en) | 2020-05-15 |
| CN111156046B true CN111156046B (en) | 2021-03-23 |
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| CN202010035972.XA Active CN111156046B (en) | 2020-01-14 | 2020-01-14 | Dry type dust removal system for underground fully mechanized coal mining face |
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| CN112855052B (en) * | 2020-10-30 | 2022-06-21 | 浙江华东工程建设管理有限公司 | Drilling clearance dust-proof equipment of mining area environment |
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| CN209637806U (en) * | 2019-03-01 | 2019-11-15 | 山东东山矿业有限责任公司株柏煤矿 | A kind of coal mining air cleaning unit |
| CN209780944U (en) * | 2019-03-15 | 2019-12-13 | 中铁十九局集团第七工程有限公司 | dust collector is used in tunnel subway construction |
| CN110630295A (en) * | 2019-11-12 | 2019-12-31 | 徐州秩润矿山设备科技有限公司 | Downhole guniting machine convenient and fast in dust fall |
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2020
- 2020-01-14 CN CN202010035972.XA patent/CN111156046B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208518700U (en) * | 2018-05-23 | 2019-02-19 | 王伟 | A kind of coal mine dedusting device |
| CN209195477U (en) * | 2018-09-19 | 2019-08-02 | 六盘水师范学院 | A kind of movable type mine hole dust-extraction unit |
| CN209221791U (en) * | 2018-12-14 | 2019-08-09 | 贵州安和矿业科技工程股份有限公司 | A kind of coal mine fully-mechanized mining working dust-extraction unit |
| CN209621386U (en) * | 2018-12-15 | 2019-11-12 | 阜宁县曙光合成革有限公司 | A kind of Tunnel Engineering dedusting cyclone cylinder |
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