CN110043305B - Mining automatic variable-stage cyclone wet dust collector - Google Patents
Mining automatic variable-stage cyclone wet dust collector Download PDFInfo
- Publication number
- CN110043305B CN110043305B CN201910409775.7A CN201910409775A CN110043305B CN 110043305 B CN110043305 B CN 110043305B CN 201910409775 A CN201910409775 A CN 201910409775A CN 110043305 B CN110043305 B CN 110043305B
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- dust
- sleeve
- explosion
- fan
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
A mining automatic variable-level cyclone wet dust collector is used for dust collection of underground roadways of mines and comprises a protective screen, an outer silencing barrel, an inner silencing barrel, a supporting plate, a front nozzle, a front water discharge groove, fan blades, an explosion-proof motor, a control panel, a dust concentration sensor, a rear nozzle, cyclone blades, a diversion trench, a rear water discharge groove, a blow-off pipe and the like. Detect device the place ahead dust concentration through the dust concentration inductor, give the control panel with dust concentration signal transfer, realize the automatic variable level control to fan power. The noise generated by the dust remover is reduced by the inner and outer muffling cylinders of the muffling section sleeve, the dust-containing gas is humidified by the front nozzle and the rear nozzle, and the dust-containing fog drops after being humidified are collected by the cyclone blades of the drying section sleeve and flow into the drainage channel along the diversion channel to be discharged, so that the dust-containing fog drops are dried and purified. The invention has the characteristics of simple structure, small volume, convenient maintenance and automatic variable-level control.
Description
Technical Field
The invention relates to the field of dust removal of underground roadways of mines, in particular to an automatic variable-stage cyclone wet dust collector for mines.
Background
Coal is a basic energy source and an important raw material in China, and the coal industry is an important basic industry related to national economic pulse and energy safety. Currently, the occupational health situation of coal mines is still severe, and the number of coal industry pneumoconiosis and silicosis accounts for more than half of the number of the national pneumoconiosis for a long time. The existing mining dust remover has the defects of poor dust removal effect, complex structure, inconvenient operation and the like. In order to reduce or eliminate the harm of coal dust and ensure the health development of coal mines and the life safety of workers, dust removal fans suitable for different places are urgently needed, and particularly, fans which are large in air quantity, small in size and convenient to maintain are needed.
Disclosure of Invention
The invention provides a mining automatic variable-stage cyclone wet dust collector which has the advantages of simple structure, small volume, convenience in maintenance and automatic control.
A mining automatic variable-stage cyclone wet dust collector comprises a supporting base, wherein a silencing section sleeve, a fan section sleeve and a drying section sleeve are arranged on a supporting bottom, and the fan section sleeve is positioned between the silencing section sleeve and the drying section sleeve; the silencing section sleeve comprises a protective net, an outer silencing barrel, an inner silencing barrel, a supporting plate and an airflow channel; the fan section sleeve comprises a front nozzle, a fan blade, an explosion-proof motor, a motor protection cover, a motor vent hole and a front drainage groove; the drying section sleeve comprises a rear nozzle, swirl vanes, a flow guide groove and a rear drainage groove; the dust concentration sensor is connected with the control panel, and the control panel is connected with the explosion-proof motor; the silencing section sleeve consists of an outer silencing barrel and an inner silencing barrel, a front water drainage groove is arranged below the front nozzle, and a motor protective cover is arranged outside the explosion-proof motor; the rear nozzle is provided with a rotational flow blade at the rear, a diversion trench is arranged at the rear of the rotational flow blade and is connected with a rear drainage trench, and the front drainage trench and the rear drainage trench are both connected with a sewage discharge pipe.
The invention has the beneficial effects that: detect device the place ahead dust concentration through the dust concentration inductor, give the control panel with dust concentration signal transfer, realize the automatic variable level control to fan power. The noise generated by the dust remover is reduced by the inner and outer muffling cylinders of the muffling section sleeve, the dust-containing gas is humidified by the front nozzle and the rear nozzle, and the dust-containing fog drops after being humidified are collected by the cyclone blades of the drying section sleeve and flow into the drainage channel along the diversion channel to be discharged, so that the dust-containing fog drops are dried and purified. The device has the characteristics of simple structure, small volume, convenient maintenance and automatic variable-level control.
Drawings
FIG. 1 is a schematic diagram of the internal structure of an automatic variable-stage cyclone wet dust collector for mining.
FIG. 2 is an external schematic view of an automatic variable-stage cyclone wet dust collector for mining.
Fig. 3 is a structural view of the protection net 1 of the present invention.
Fig. 4 is a side view of a swirl vane 12 of the present invention.
In the figure: 1-protective net, 2-outer silencing barrel, 3-inner silencing barrel, 4-support plate, 5-airflow channel, 6-front nozzle, 7-fan blade, 8-explosion-proof motor, 9-motor protective cover, 10-motor ventilation hole, 11-rear nozzle, 12-swirl blade, 13-diversion trench, 14-front drainage trench, 15-rear drainage trench, 16-blow-off pipe, 17-support base, 18-silencing section sleeve, 19-fan section sleeve, 20-drying section sleeve, 21-control plate and 22-dust concentration sensor.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
fig. 1 and 2 show: a mining automatic variable-level cyclone wet dust collector comprises a silencing section sleeve (18), a fan section sleeve (19), a drying section sleeve (20), a control panel (21), a dust concentration sensor (22), a blow-off pipe (16) and a support base (17), wherein the silencing section sleeve (18) is connected with the fan section sleeve (19) through a connecting flange and a bolt; the fan section sleeve (19) is connected with the drying section sleeve (20) through a connecting flange and a bolt.
The silencing section sleeve (18) comprises a protective screen (1), an outer silencing barrel (2), an inner silencing barrel (3), a supporting plate (4) and an airflow channel (5); the protective net (1) is fixedly arranged at the end part of the outer silencing barrel (2); the supporting plate (4) is welded with the inner wall of the outer silencing tube (2), and the inner silencing tube (3) is welded with the supporting plate (4).
The fan section sleeve (19) comprises a front nozzle (6), a fan blade (7), an explosion-proof motor (8), a motor protective cover (9), a motor vent hole (10) and a front drainage groove (14); the front nozzle (6) is installed on the outer wall of the fan sleeve, the explosion-proof motor (8) is installed in the motor protection cover (9), the motor protection cover (9) is welded with the inner wall of the sleeve fan, and the fan blade (7) is installed on the output shaft of the explosion-proof motor (8).
The drying section sleeve (20) comprises a rear nozzle (11), swirl vanes (12), a guide groove (13) and a rear drainage groove (15); rear nozzle (11) is installed on the outer wall of the drying sleeve, swirl vanes (12) are installed behind rear nozzle (11), the inner wall of the drying sleeve is provided with guide grooves (13), guide grooves (13) are communicated with rear drainage grooves (15), and the rear drainage grooves (15) extend out of the wall of the drying sleeve.
The dust concentration sensor (22) positioned in front of the device is connected with the control panel (21), and the control panel (21) is connected with the explosion-proof motor (8).
The motor protection cover (9) is communicated with the outside air through the motor ventilation hole (10), so that heat generated by the explosion-proof motor (8) is exchanged with the outside air, and the temperature of the explosion-proof motor (8) is reduced. The rear nozzle (11) is provided with a swirl blade (12) at the rear, the swirl blade (12) is provided with a guide groove (13) at the rear, the guide groove (13) is connected with a rear drainage groove, the front drainage groove (14) and the rear drainage groove (15) are both connected with a sewage discharge pipe (16), and the front nozzle (6) and the rear nozzle (11) are both connected with a water pipe.
The working principle is as follows: the dust concentration sensor (22) detects the dust concentration in front of the device, transmits a dust concentration signal to the control board (21), and when the dust concentration is less than 10mg/m3When the dust collector is used, the control panel (21) controls the explosion-proof motor (8) to operate at the power of 2kW, and the dust concentration is 10mg/m3~100 mg/m3When the dust collector is used, the control panel (21) controls the explosion-proof motor (8) to operate at 5kW power, and the dust concentration is more than 100 mg/m3And meanwhile, the control panel (21) controls the explosion-proof motor (8) to operate at 10kW power, so that automatic level-changing control of the explosion-proof motor (8) is realized. Dust-laden air flows into the dust remover from the air inlet, the protection network (1) can keep off bold coal cinder in the outside, and outer silencing tube (2), interior silencing tube (3) can the noise reduction, and dust-laden air flows through air current passageway (5) between outer silencing tube (2) and interior silencing tube (3), is moistened by the spraying that front nozzle (6) produced, and blow off pipe (16) are discharged into to unnecessary water accessible front drainage groove (14). A motor protection cover (9) is arranged outside the explosion-proof motor (8) and can prevent water or dust impurities from entering the explosion-proof motor (8), and the motor protection cover (9) is communicated with the outside air through a motor ventilation hole (10), so that heat generated by the explosion-proof motor (8) is exchanged with the outside air, and the temperature of the explosion-proof motor (8) is reduced. The dust-containing air flow is further moistened by the rear nozzle (11) after passing through the fan. The wind then passes through swirl vanes12) When the dust-containing fog drops impact and are adsorbed on the blades, the dust-containing fog drops are converged to the outer edges of the blades along with the rotational flow blades (12) under the action of wind flow, and flow into the rear drainage groove (14) under the drainage of the guide groove (13) and are discharged through the drainage pipe (16). The clean air flow dried by the rotational flow blades (12) is discharged from the air outlet, thereby achieving the purpose of purifying the air flow.
Claims (1)
1. A mining automatic variable-level cyclone wet dust collector comprises a silencing section sleeve (18), a fan section sleeve (19), a drying section sleeve (20), a control panel (21), a dust concentration sensor (22), a blow-off pipe (16) and a supporting base (17); the silencing section sleeve (18) comprises a protective screen (1), an outer silencing barrel (2), an inner silencing barrel (3), a supporting plate (4) and an airflow channel (5), and the protective screen (1) is fixedly arranged at the end part of the outer silencing barrel (2); the supporting plate (4) is welded with the inner wall of the outer silencing tube (2), and the inner silencing tube (3) is welded with the supporting plate (4); the fan section sleeve (19) comprises a fan sleeve, a front nozzle (6), a fan blade (7), an explosion-proof motor (8), a motor protective cover (9), a motor ventilation hole (10) and a front drainage groove (14), wherein the front nozzle (6) is installed on the outer wall of the fan sleeve, the explosion-proof motor (8) is installed in the motor protective cover (9), the motor protective cover (9) is welded with the inner wall of the sleeve fan, and the fan blade (7) is installed on an output shaft of the explosion-proof motor (8); the drying section sleeve (20) comprises a drying sleeve, a rear nozzle (11), swirl vanes (12), a guide groove (13) and a rear drainage groove (15); the rear nozzle (11) is arranged on the outer wall of the drying sleeve, the rotational flow blades (12) are arranged in the drying sleeve behind the rear nozzle (11), the inner wall of the drying sleeve is provided with a diversion trench (13), the diversion trench (13) is communicated with a rear drainage trench (15), and the rear drainage trench (15) extends out of the wall of the drying sleeve; the method is characterized in that: the dust concentration sensor (22) is connected with the control panel (21), and the control panel (21) is connected with the explosion-proof motor (8); the dust concentration sensor (22) detects the dust concentration, transmits a dust concentration signal to the control board (21), and when the dust concentration is less than 10mg/m3Time, control panel (21)Controlling the explosion-proof motor (8) to operate at 2kW power and the dust concentration to be 10mg/m3~100 mg/m3When the dust collector is used, the control panel (21) controls the explosion-proof motor (8) to operate at 5kW power, and the dust concentration is more than 100 mg/m3When the control panel (21) controls the explosion-proof motor (8) to operate at 10kW power, so that automatic level-changing control of the explosion-proof motor (8) is realized; a front water drainage groove (14) is arranged below the front nozzle (6), and the front water drainage groove (14) extends out of the wall of the fan sleeve barrel; the front drainage tank (14) and the rear drainage tank (15) are both connected with a sewage discharge pipe (16); dust-containing air flow is sucked into the silencing section sleeve (18) from the air inlet, large coal blocks can be blocked outside by the protective net (1), the outer silencing barrel (2) and the inner silencing barrel (3) can reduce noise, the dust-containing air flow passes through the air flow channel (5) between the outer silencing barrel (2) and the inner silencing barrel (3) and is wetted by spray generated by the front nozzle (6), and redundant water can be discharged into a sewage discharge pipe (16) through the front water discharge groove (14); the dust-containing air flow is further moistened by the rear nozzle (11) after passing through the fan; when the dust-containing fog drops pass through the swirl vanes (12), the dust-containing fog drops are impacted and adsorbed on the vanes, are converged to the outer edges of the vanes along with the swirl vanes (12) under the action of wind flow, and flow into the rear drainage groove (15) under the drainage of the guide groove (13) and are discharged through the drain pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409775.7A CN110043305B (en) | 2019-05-17 | 2019-05-17 | Mining automatic variable-stage cyclone wet dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409775.7A CN110043305B (en) | 2019-05-17 | 2019-05-17 | Mining automatic variable-stage cyclone wet dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN110043305A CN110043305A (en) | 2019-07-23 |
| CN110043305B true CN110043305B (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910409775.7A Active CN110043305B (en) | 2019-05-17 | 2019-05-17 | Mining automatic variable-stage cyclone wet dust collector |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110847944B (en) * | 2019-11-19 | 2021-02-19 | 赣州宝盈建设工程有限公司 | Ventilation adjusting device for underground works |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2674600Y (en) * | 2004-01-20 | 2005-01-26 | 昆明钢铁集团有限责任公司 | Noise silencer |
| CN203333890U (en) * | 2013-07-22 | 2013-12-11 | 程振国 | Power supply control device of compact spinning negative pressure dust collector |
| CN204212797U (en) * | 2014-11-06 | 2015-03-18 | 山东新阳光机械制造有限公司 | Efficient wet-type dust removal fan for mine |
| CN207493392U (en) * | 2017-10-28 | 2018-06-15 | 上海圣川环保科技有限公司 | Mobile industrial dust collector |
| CN108843374A (en) * | 2018-06-20 | 2018-11-20 | 中钢集团马鞍山矿山研究院有限公司 | A kind of movable type mine wet-type vibratory string cyclone dust |
| CN108952790B (en) * | 2018-09-07 | 2020-09-01 | 安徽理工大学 | Tunnel dust shaker |
| CN208858396U (en) * | 2018-09-21 | 2019-05-14 | 何庆帅 | A kind of multi-functional mine ventilation dust pelletizing system |
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| CN110043305A (en) | 2019-07-23 |
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