CN108457690B - Mine dust collector based on bispin flow filter core - Google Patents
Mine dust collector based on bispin flow filter core Download PDFInfo
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- CN108457690B CN108457690B CN201810115213.7A CN201810115213A CN108457690B CN 108457690 B CN108457690 B CN 108457690B CN 201810115213 A CN201810115213 A CN 201810115213A CN 108457690 B CN108457690 B CN 108457690B
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- cyclone
- chamber
- dust
- cavity
- collecting
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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
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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
- E21F5/04—Spraying barriers
Abstract
The invention discloses a mine dust removal device based on a double-cyclone filter element, which comprises a gas collection cavity, a collecting chamber, a cyclone dehydration cavity, a dust collection chamber and an exhaust cavity which are sequentially communicated, wherein the gas collection cavity is provided with an air inlet, an ultrasonic atomizer is arranged above the collecting chamber, the top end of the cyclone dehydration cavity is provided with a collecting port, the upper part of the cyclone dehydration cavity is provided with an upper cyclone blade, the lower part of the cyclone dehydration cavity is provided with a lower cyclone blade, the dust collection chamber is arranged at the bottom end of the cyclone dehydration cavity, and the tail end of the exhaust cavity is provided with an exhaust port. The dust removal device can improve the air quality of a driving face, ensure the health of miners and reduce the accident rate caused by excessive mine dust and a severe underground operation environment.
Description
Technical Field
The invention relates to a dust removal device, in particular to a mine dust removal device based on a double-cyclone filter element.
Background
With the continuous improvement of the mechanization level of coal mining, the problem of coal mine dust is more and more prominent, and a large amount of dust on a tunneling working face and a coal mining working face seriously harms the health of workers and influences the safety production of coal mines, so that the coal mine dust treatment becomes an important subject in the field of coal mining.
Patent application CN105268270A discloses mine dust removal equipment, which comprises an outer box body, a support, an ash discharge chamber and a dust collecting device, wherein the dust collecting device is arranged at the left end of the outer box body, the dust collecting device is arranged at the left side of the top end of the ash discharge chamber, and the top end of the ash discharge chamber supports the outer box body at the upper end through a left row of supports and a right row of supports; the dust collecting device consists of a dust collecting nozzle, a dust collecting chamber, a first ash discharging hopper and an ash discharging pipe, wherein the dust collecting nozzle is arranged at the top end of the dust collecting chamber, the lower end of the dust collecting chamber is connected with the first ash discharging hopper, the lower end of the first ash discharging hopper is connected with the ash discharging pipe, and the ash discharging pipe is connected with the ash discharging chamber at the lower end; the interior of the outer box body is provided with a cyclone dust removal chamber, a filter chamber and a spray chamber from left to right. Although this dust collecting equipment can directly arrange the large granule dust to the dust exhaust chamber through the dust collecting chamber, then through whirlwind dust removal of whirlwind dust removal chamber, filter through the inside filtration sack of filter chamber again, the dust gets into spray chamber inside at last, carries out thorough dust removal through spraying treatment, but its is bulky, and the structure is complicated, and its comparison can be applicable to the dust removal operation of broken production line of building stones on the ground moreover, to the dust removal operation under the tunnelling work in the underground and the coal mining work environment, above-mentioned dust collecting equipment obviously does not have the advantage.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention provides the mine dust removal device based on the double-cyclone filter element, so that the dust removal efficiency and the dust removal effect are improved.
The technical scheme adopted by the invention is as follows:
a mine dust removal device based on a double-cyclone filter element comprises a gas collection cavity, a collecting chamber, a cyclone dehydration cavity, a dust collection chamber and an exhaust cavity which are sequentially communicated, the gas collecting cavity is provided with an air inlet, an ultrasonic atomizer is arranged above the collecting chamber, the top end of the rotational flow dehydration cavity is provided with a collecting port, the upper part of the rotational flow dehydration cavity is provided with an upper rotational flow blade, the lower part of the rotational flow dehydration cavity is provided with a lower rotational flow blade, the dust collecting chamber is arranged at the bottom end of the rotational flow dehydration cavity, the tail end of the exhaust cavity is provided with an exhaust port, dust-containing airflow enters from the air inlet of the gas collecting cavity and collides with water mist sprayed by the ultrasonic atomizer to settle into the collecting chamber to form dust slurry, and the dust slurry enters the rotational flow dehydration cavity from the collecting port, and is thrown to the wall of the cyclone dewatering cavity under the centrifugal action of the upper and lower cyclone blades in sequence, finally enters the exhaust cavity through the dust collecting chamber and is exhausted through the exhaust port.
The air collecting cavity is internally provided with a filter sieve and a fan, the filter sieve is arranged between the air inlet and the fan, and the filter sieve can initially filter the dust-containing air flow entering the air collecting cavity through the air inlet under the action of the fan.
And a pressure type sprayer is arranged above the rotational flow dehydration cavity, and dust particles which are not captured after the action of the ultrasonic atomizer are agglomerated and settled under the action of the pressure type sprayer and enter the rotational flow dehydration cavity through a collecting port.
And a flow guide channel is arranged between the collecting chamber and the collecting port.
The cyclone dehydration cavity is detachably connected with the dust collecting chamber.
The exhaust cavity is internally provided with a filter element, and the filter element comprises a support and a plurality of strip-shaped filter membrane structures arranged on the support.
The mine dust removal device further comprises an ultrasonic vibrator, and the ultrasonic vibrator is connected with the filter element.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the dust removal device can improve the air quality of a tunneling working face, ensure the health of miners, reduce the threat to national property and the life safety of the miners caused by coal dust combustion or explosion, overcome the defects that the visibility of a working place is reduced, the sight is influenced and the accident potential is not easy to find in time due to excessive mine dust in an underground operation place and the severe underground operation environment, further reduce the probability of mechanical and personal accidents, purify the air of the tunneling working face to the maximum extent, improve the working enthusiasm and the working efficiency of the miners and increase the economic benefit.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural view of a cyclone dewatering chamber according to the present invention.
FIG. 3 is an isometric view of a lower swirl vane of the present invention.
Fig. 4 is a schematic structural diagram of a filter element in the invention.
Wherein the content of the first and second substances,
1. the device comprises a gas collecting cavity 2, a collecting chamber 3, a rotational flow dehydration cavity 4, a dust collecting chamber 5, an exhaust cavity 6, an upper rotational flow blade 7, a gas inlet 8, a filter sieve 9, a fan 10, an ultrasonic atomizer 11, a pressure type atomizer 12, a flow guide channel 13, a collecting port 14, a lower rotational flow blade 15, a filter element 16, a support 17, a filter membrane structure 18, an exhaust port 19, an ultrasonic vibrator
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited to these examples.
As shown in fig. 1 to 4, the mine dust removal device based on the double-cyclone filter element comprises a gas collection chamber 1, a collecting chamber 2, a cyclone dehydration chamber 3, a dust collection chamber 4 and an exhaust chamber 5 which are communicated in sequence.
The front end of the gas collection cavity 1 is provided with a gas inlet 7. The inside of gas collecting chamber 1 is provided with filter sieve 8 and fan 9, and filter sieve 8 sets up between air inlet 7 and fan 9, and filter sieve 8 can carry out initial filtration to the dusty air current that gets into gas collecting chamber 1 through air inlet 7 under the effect of fan 9 to filter partial large particulate matter outside.
An ultrasonic atomizer 10 is arranged above the collecting chamber 2.
And a collecting port 13 is arranged at the top end of the rotational flow dehydration cavity 3. A flow guide channel 12 is arranged between the collecting chamber 2 and the collecting port 13, and dust slurry enters the cyclone dehydration cavity 3 from the collecting chamber 2 through the flow guide channel 12 and the collecting port 13 for centrifugal sedimentation. The upper part of the rotational flow dehydration cavity 3 is provided with an upper rotational flow blade 6, the lower part of the rotational flow dehydration cavity 3 is provided with a lower rotational flow blade 14, and the upper and lower rotational flow blades form an axial flow structure without turning back in the rotational flow dehydration cavity 3, so that the influence of a turbulent flow effect is avoided, the dust removal dehydration efficiency is improved, and the problem of an undesirable separation state between downward rotating airflow and upward turning back airflow in the dust removal process is solved.
Meanwhile, the upper part and the lower part of the rotational flow dehydration cavity 3 are respectively provided with rotational flow blades, so that the capacity of processing air volume can be improved, and under the condition of the same processing air volume, the volume of the rotational flow dehydration cavity 3 adopting the upper rotational flow blades and the lower rotational flow blades is smaller than that of a common dehydration cavity, so that the manufacturing cost and the occupied area of the whole device are reduced.
In addition, a pressure type sprayer 11 is arranged above the rotational flow dehydration cavity 3, and dust particles which are not captured after the action of the ultrasonic atomizer 10 are agglomerated and settled under the action of the pressure type sprayer 11 and enter the rotational flow dehydration cavity 3 through a collecting port 13.
The dust collecting chamber 4 is arranged at the bottom end of the rotational flow dehydration cavity 3, and the dust collecting chamber 4 is in an inverted funnel shape. The cyclone dehydration cavity 3 is detachably connected with the dust collection chamber 4, so that the cyclone dehydration cavity is convenient to disassemble manually, and can be cleaned regularly to avoid slurry accumulation.
The tail end of the exhaust cavity 5 is provided with an exhaust port 18. A filter element 15 is arranged in the exhaust cavity 5, and the filter element 15 comprises a support 16 and a plurality of strip-shaped filter membrane structures 17 arranged on the support 16. The mine dust removal device further comprises an ultrasonic vibrator 19, wherein the ultrasonic vibrator 19 is connected with the support 16 to drive the filter membrane structure 17 to vibrate, so that fine dust particles are fully filtered, and clean air filtered by the filter element 15 is discharged from the exhaust port 18.
The working principle of the invention is as follows: the dusty airflow firstly enters the air collecting cavity 1 from the air inlet 7 of the air collecting cavity 1, the filter sieve 8 initially filters the airflow under the action of the fan 9, so that large-particle stones are filtered out of the device, after the airflow enters the device, the dust particles collide with the water mist sprayed by the ultrasonic atomizer 10 and settle to the collecting chamber 2, dust slurry in the collecting chamber 2 flows into a collecting port 13 through a flow guide channel 12, part of dust particles which are not captured under the action of the ultrasonic atomizer 10 are agglomerated and settled under the action of a pressure type atomizer 11, the settled dust-water mixture enters the cyclone dehydration cavity 3 through the collecting port, under the centrifugal action of the upper and lower cyclone blades, the dust particles and the water mist particles are thrown to the wall of the cyclone dehydration cavity 3, and is discharged through a dust discharging chamber 4, the airflow then enters an exhaust cavity 5, and an ultrasonic vibrator 19 drives a filter membrane structure 17 to vibrate, so that fine dust particles are fully filtered and then are discharged through an exhaust port 19.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. A mine dust removal device based on a double-cyclone filter element is characterized by comprising a gas collection chamber, a collecting chamber, a cyclone dehydration chamber, a dust collection chamber and an exhaust chamber which are sequentially communicated, wherein the gas collection chamber is provided with an air inlet, an ultrasonic atomizer is arranged above the collecting chamber, the top end of the cyclone dehydration chamber is provided with a collecting port, a flow guide channel is arranged between the collecting chamber and the collecting port, the upper part of the cyclone dehydration chamber is provided with an upper cyclone blade, the lower part of the cyclone dehydration chamber is provided with a lower cyclone blade, the dust collection chamber is arranged at the bottom end of the cyclone dehydration chamber, a pressure type atomizer is arranged above the cyclone dehydration chamber, the tail end of the exhaust chamber is provided with an exhaust port, dust-containing air enters from the air inlet of the gas collection chamber and collides with water mist sprayed by the ultrasonic atomizer to subside to the collecting chamber to form dust slurry, and the dust slurry in the collecting chamber flows into the, the dust slurry enters the cyclone dehydration cavity from the flow collecting port, dust particles which are not captured after the action of the ultrasonic atomizer are agglomerated and settled under the action of the pressure type atomizer and enter the cyclone dehydration cavity through the flow collecting port, the dust slurry and the agglomerated and settled dust particles are sequentially thrown to the cavity wall of the cyclone dehydration cavity under the centrifugal action of the upper cyclone blade and the lower cyclone blade, and finally enter the exhaust cavity through the dust collecting chamber and are discharged through the exhaust port.
2. The mine dust removal device based on the double-cyclone filter element as claimed in claim 1, wherein a filter sieve and a fan are arranged in the gas collection chamber, the filter sieve is arranged between the gas inlet and the fan, and the filter sieve can initially filter the dust-containing gas flow entering the gas collection chamber through the gas inlet under the action of the fan.
3. The mine dust collector based on the double cyclone filter elements as claimed in claim 1, wherein the cyclone dewatering chamber is detachably connected with the dust collecting chamber.
4. The mine dust removal device based on the double-cyclone filter element as claimed in claim 1, wherein a filter element is arranged in the exhaust cavity, and the filter element comprises a support and a plurality of strip-shaped filter membrane structures arranged on the support.
5. The mine dust collector based on the dual cyclone filter element as claimed in claim 4, further comprising an ultrasonic vibrator connected with the filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810115213.7A CN108457690B (en) | 2018-02-06 | 2018-02-06 | Mine dust collector based on bispin flow filter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810115213.7A CN108457690B (en) | 2018-02-06 | 2018-02-06 | Mine dust collector based on bispin flow filter core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457690A CN108457690A (en) | 2018-08-28 |
| CN108457690B true CN108457690B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810115213.7A Active CN108457690B (en) | 2018-02-06 | 2018-02-06 | Mine dust collector based on bispin flow filter core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116272221A (en) * | 2023-04-27 | 2023-06-23 | 张校华 | Industrial smoke dust treatment device based on grading treatment technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3695637B2 (en) * | 2000-04-13 | 2005-09-14 | 富士電機システムズ株式会社 | Air purification processing equipment |
| CN2817957Y (en) * | 2005-08-26 | 2006-09-20 | 盛祥 | Wet dust-collecting fan |
| CN201416552Y (en) * | 2009-06-23 | 2010-03-03 | 郭峰 | Spray centrifugal dedusting fan |
| CN103585843A (en) * | 2012-08-16 | 2014-02-19 | 溧阳市中兴环保机械有限公司 | Cyclone dust collector |
| KR101680735B1 (en) * | 2014-12-03 | 2016-12-12 | 영산대학교산학협력단 | A dustproof device for tunneling work |
| CN104632217A (en) * | 2015-02-12 | 2015-05-20 | 泰安市福通矿用电气有限公司 | Wet dust removal and wind speed spraying haze-removing and dust-settling fan |
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| CN108457690A (en) | 2018-08-28 |
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