CN112023580A - Mine dust removal device and dust removal method thereof - Google Patents
Mine dust removal device and dust removal method thereof Download PDFInfo
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- CN112023580A CN112023580A CN202010849326.7A CN202010849326A CN112023580A CN 112023580 A CN112023580 A CN 112023580A CN 202010849326 A CN202010849326 A CN 202010849326A CN 112023580 A CN112023580 A CN 112023580A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The invention discloses a mine dust removal device and a dust removal method thereof, wherein a centrifugal fan drains dusty airflow into a dust collection box through a dust collection cylinder, a dust collection plate blocks large-particle dust, a collection groove contains the dust, a motor drives a drainage plate to rotate in the dust collection box, dust particles fall and are sucked and collected by a dust accumulation box, clean airflow at the center enters the air guide pipe and then flows into a spray box, a water source is conveyed to a spray header through the foam box in the spray box, foam is sprayed on the dusty airflow for dust reduction, the sprayed dusty airflow is discharged through a vent of the spray box, and then the dust can be absorbed in a dry-wet mode, the dust reduction efficiency in a mine is enhanced, and the hidden danger of coal dust explosion is reduced.
Description
Technical Field
The invention relates to the technical field of mine dust removal, in particular to a mine dust removal device and a mine dust removal method.
Background
With the increase of the demand of China on coal energy, the number of coal mines is gradually increased, and the dust hazard becomes the most serious hazard in the coal industry. At present, most of the dustproof measures of coal mines in China cannot achieve the purpose of effective dust prevention, and even have no dustproof measures. The serious consequence is that the hidden danger of coal dust explosion is increased, especially the number of people in coal mine dust lung is increased year by year.
In actual production, the prevention and control means of mine dust mainly comprises ventilation and dust discharge. However, dust control by means of ventilation alone is far from sufficient, and the main problem is that dust pollutes the whole roadway and harms all operators in the discharging process. The method is characterized in that various means can be comprehensively adopted in a mine according to specific conditions, a dust remover is adopted at a dust producing point to collect dust, the dust amount in a roadway is reduced, and the quality of air in the roadway is improved through ventilation.
At present, dust removal mainly includes wet dust removal and dry dust removal. Although wet dust removal is small in size, simple and easy to implement and low in equipment cost, most wet dust removers are small in air quantity, poor in atomization degree and low in dust removal efficiency, actual requirements cannot be met, and accordingly high dust content and great hidden danger of coal dust explosion are caused.
Disclosure of Invention
The invention aims to provide a mine dust removal device and a dust removal method thereof, and aims to solve the problems that in the prior art, the wet type dust removal efficiency is low, the effect cannot meet the actual requirement, the dust content is large, and the hidden danger of coal dust explosion is high.
In order to achieve the purpose, the invention provides a mine dust removal device, which comprises a dust collection assembly and a spraying assembly, wherein the dust collection assembly comprises a dust collection box, a dust collection barrel, a centrifugal fan, a motor and a drainage plate, the dust collection box is provided with a containing cavity, the containing cavity is positioned inside the dust collection box, the dust collection barrel is detachably connected with the dust collection box and is positioned on one side of the dust collection box, which is far away from the containing cavity, the centrifugal fan is detachably connected with the dust collection barrel and is positioned inside the dust collection barrel, the motor is detachably connected with the dust collection box and is positioned on one side of the dust collection box, which is far away from the containing cavity, one side of the drainage plate is fixedly connected with a motor shaft of the motor, and the other side of the drainage plate penetrates through the dust collection box and is positioned in the containing cavity;
spray assembly includes the air duct, sprays case, support, shower head and foaming case, the one end of air duct with dust collection box fixed connection, the other end of air duct with spray case fixed connection, and be located the dust collection box with spray between the case, the support with spray the case and can dismantle the connection, and be located spray the inside of case, the shower head with the connection can be dismantled to the support, and be located the support is kept away from spray one side of case, the foaming case pass through the pipe with shower head fixed connection, and be located the spray case is kept away from one side of shower head.
The mine dust removal device further comprises an ash deposition box, wherein the ash deposition box is detachably connected with the dust collection box and is positioned in the accommodating cavity.
The mine dust removal device further comprises a dust removal plate, wherein the dust removal plate is detachably connected with the dust suction cylinder and is positioned on one side, close to the centrifugal fan, of the dust suction cylinder.
The mine dust removal device further comprises a storage groove, wherein the storage groove is detachably connected with the dust removal plate and is positioned on one side, far away from the centrifugal fan, of the dust removal plate.
The mine dust removal device further comprises a filter tank, a filter screen and a connecting pipe, the filter tank is fixedly connected with the spray box through a pipe, the pipe is communicated with the spray box, the filter tank is located on one side, away from the support, of the spray box, the filter screen is detachably connected with the filter tank and located inside the filter tank, and the connecting pipe is fixedly connected with the filter tank and located on one side, close to the foaming box, of the filter tank.
The invention also comprises a mine dedusting method, which comprises the following steps:
collecting the dusty airflow, and carrying out centrifugal dust removal treatment on the dusty airflow;
carrying out spraying treatment on the dusty airflow subjected to the centrifugal dust removal treatment;
filtering the sprayed water;
and discharging the dust-containing gas flow after the spraying treatment.
Wherein, in collecting the dusty gas stream:
the centrifugal fan rotates to drain and collect dust-containing airflow, the dust in the dust-containing airflow is blocked by the dust removing plate, and the dust is accumulated on the accommodating groove.
Wherein, in the centrifugal dust removal treatment process of the dusty airflow:
the motor rotates to drive the drainage plate to rotate, dust particles are separated by centrifugal force and fall into the bottom of the dust collection box, and the dust collection box sucks and collects the falling dust.
Wherein, in the waste water that will centrifuge and remove dust and handle carries out the spraying treatment in-process:
air current after centrifugal dust removal processing passes through the air duct and gets into in the spray tank, utilizes the water pump to the foaming case pressure boost, the water source passes through the pipe flow direction shower head in the foaming case, the shower head sprays foamer, water mixture, and is right dust-laden air carries out the foam dust fall in the spray tank.
Wherein, the water after the spraying treatment is filtered:
the water pump exerts pressure on the filter tank, guides the water at the bottom of the spraying tank to flow into the filter tank through the guide pipe, and flows to the foaming tank through the connecting pipe after being filtered by the filter screen.
The invention relates to a mine dedusting device and a dedusting method thereof, wherein, a centrifugal fan rotates to guide dusty airflow to enter a dust collection box through a dust collection cylinder, a dedusting plate is arranged on the dust collection cylinder and positioned in front of the centrifugal fan to block dust particles, the dust particles fall into a containing groove to facilitate cleaning of the dedusting plate, the dust collection cylinder is streamline and can accelerate the flow velocity of the dusty airflow, a motor drives a flow guide plate to rotate in the dust collection box, the dusty airflow is converted from linear flow to rotary flow with axial velocity downward through the rotational flow effect of the flow guide plate, the dust particles in the airflow gradually move to the wall surface along with the force of the centrifugal force in the radial direction, and the dust particles fall and are sucked and collected by a dust collection box at the bottom of the dust collection box under the combined action of gravity, clean air current that the center was located gets into afterwards the air duct flows into in the spraying case, the foaming case carries the water source, the shower head sprays the foam to dusty air current, carries out the foam dust fall, and dusty air current after spraying passes through the vent of spraying the case is discharged, and then can absorb the dust through dry wet dual mode, strengthens the dust fall efficiency to in the mine, reduces the hidden danger of coal dust explosion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a mine dust removal device provided by the invention.
Fig. 2 is a schematic view of the internal structure of the dust collection box provided by the invention.
FIG. 3 is a front view of a mine dust extraction apparatus provided by the present invention.
FIG. 4 is a front half sectional view of a mine dust extraction apparatus provided by the present invention.
FIG. 5 is a flow chart of a dust removal method provided by the present invention.
1-dust suction box, 2-dust suction barrel, 3-centrifugal fan, 4-motor, 5-flow guide plate, 6-containing cavity, 7-air guide tube, 8-spray box, 9-bracket, 10-dust suction component, 11-spray head, 12-foam box, 13-dust box, 14-dust removing plate, 15-containing groove, 16-filtering pool, 17-filtering net, 18-connecting tube, 19-water pump, 20-spray component, 21-motor shaft and 100-mine dust removing device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, the invention provides a mine dust removing device 100, which includes a dust collecting assembly 10 and a spraying assembly 20, wherein the dust collecting assembly 10 includes a dust collecting box 1, a dust collecting cylinder 2, a centrifugal fan 3, a motor 4 and a flow guide plate 5, the dust collecting box 1 has a containing cavity 6, the containing cavity 6 is located inside the dust collecting box 1, the dust collecting cylinder 2 is detachably connected with the dust collecting box 1 and is located at one side of the dust collecting box 1 far from the containing cavity 6, the centrifugal fan 3 is detachably connected with the dust collecting cylinder 2 and is located inside the dust collecting cylinder 2, the motor 4 is detachably connected with the dust collecting box 1 and is located at one side of the dust collecting box 1 far from the containing cavity 6, one side of the flow guide plate 5 is fixedly connected with a motor shaft 21 of the motor 4, the other side of the flow guide plate 5 penetrates through the dust collecting box 1, and is positioned in the containing cavity 6;
In this embodiment, the model of the centrifugal fan 3 is HW-26MC01, the centrifugal fan 3 is disposed in the dust collection cylinder 2, the power is turned on to rotate, the dust-containing airflow is introduced into the dust collection box 1 through the dust collection cylinder 2, the dust collection cylinder 2 is streamlined and can accelerate the flow rate of the dust-containing airflow, the motor 4 is turned on to rotate the motor shaft 21, the motor shaft 21 is fixedly connected with the drainage plate 5 to drive the drainage plate 5 to rotate in the dust collection box 1, the dust-containing airflow is changed from linear flow to rotational flow at a downward axial speed under the rotational flow effect of the drainage plate 5, the dust particles in the airflow gradually move to the inner wall of the dust collection box 1 along with the force of the centrifugal force in the radial direction, the dust particles fall and are collected under the combined action of gravity, the clean airflow at the center then enters the air duct 7 to flow into the spray box 8, in the spray box 8 support 9 has been propped up shower head 11, shower head 11 passes through pipe connection foaming box 12, full water and foamer are equipped with in the foaming box 12, through water pump 19 to foaming box 12 pressure boost, water pump 19 model is FQW10-80/K, and then foaming box 12 delivery water source extremely shower head 11, to the dusty air current in the spray box 8 sprays the foam, carries out the foam dust fall, and the dusty air current after spraying passes through spray box 8's vent is discharged, and then can absorb the dust through dry wet dual mode, strengthens dust fall efficiency in the mine, reduces the hidden danger of coal dust explosion.
Further, referring to fig. 2, the mine dust collector 100 further includes an ash deposition box 13, and the ash deposition box 13 is detachably connected to the dust collection box 1 and is located in the accommodating cavity 6.
In this embodiment, the inside cotton material of static that adopts of deposition box 13 makes the rotatory dust granule that makes of drainage plate 5 hits inside the suction box 1, drop because of gravity when the suction box 1 bottom, the static cotton in the deposition box 13 plays the adsorption to the dust granule, makes the dust granule fall into deposition box 13, deposition box 13 pass through the screw connection in on the suction box 1, convenient dismantlement makes the dust conveniently clear up promptly mine dust collector 100 adsorbs the dust efficiently, is favorable to reducing the hidden danger of coal dust explosion, and convenient to use, user experience feels better.
Further, referring to fig. 4, the mine dust collector 100 further includes a dust collecting plate 14, and the dust collecting plate 14 is detachably connected to the dust collecting cylinder 2 and is located on a side of the dust collecting cylinder 2 close to the centrifugal fan 3.
In this embodiment, dust removal board 14 adopts PP filter paper, glass fiber, compound PP PET filter paper, melts and spouts in dacron non-woven fabrics and the melt-blown glass fiber one or more material to make, can effectively filter the dust, set up in centrifugal fan 3 keeps away from one side of suction box 1 centrifugal fan 3 rotates the induced flow and advances the dusty air current messenger and carry out prefiltration, be mine dust collector 100 filter effect is better, is favorable to carrying out the dust fall in the mine.
Further, referring to fig. 4, the mine dust collector 100 further includes a receiving slot 15, and the receiving slot 15 is detachably connected to the dust collecting plate 14 and is located on a side of the dust collecting plate 14 away from the centrifugal fan 3.
In this embodiment, accomodate the groove 15 set up in on the dust removal board 14, work as behind the dust removal board 14 isolation dust, the dust pile up in accomodate on the groove 15, accomodate groove 15 with the block of dust removal board 14 is convenient for dismantle down, and then the convenience is right dust removal board 14 clears up, is favorable to carrying out the dust fall in the mine, reduces the hidden danger of coal dust explosion, and user experience feels better simultaneously.
Further, referring to fig. 1, the mine dust collector 100 further includes a filtering tank 16, a filtering net 17 and a connecting pipe 18, the filtering tank 16 is fixedly connected to the spraying box 8 through a conduit, the conduit is communicated with the spraying box 8, the filtering tank 16 is located on one side of the spraying box 8 far away from the bracket 9, the filtering net 17 is detachably connected to the filtering tank 16 and located inside the filtering tank 16, and the connecting pipe 18 is fixedly connected to the filtering tank 16 and located on one side of the filtering tank 16 close to the foaming box 12.
In this embodiment, the water source that sprays 8 bottoms of case flows into through the pipe in the filtering ponds 16, be provided with in the filtering ponds 16 filtering net 17, filtering net 17 adopts the filter pulp material to make, can effectively filter the dust granule in the water source, is in because of water pump 19 foaming case 12 exerts pressure, and then the water after the filtration passes through connecting pipe 18 flow direction foaming case 12 forms the circulation of water and uses, can effectively the dust fall when using water wisely, is favorable to reducing the hidden danger of coal dust explosion.
Referring to fig. 5, a method for removing dust from a mine includes the following steps:
s100: the centrifugal fan 3 rotates to guide and collect the dust-containing air flow, the dust in the dust-containing air flow is blocked by the dust removing plate 14, and the dust is accumulated on the accommodating groove 15.
S200: the motor 4 rotates to drive the drainage plate 5 to rotate, dust particles are separated by centrifugal force and fall into the bottom of the dust collection box 1, and the dust collection box 13 sucks and collects the falling dust.
S300: the air current passes through air duct 7 and gets into spray tank 8 in, utilizes water pump 19 to the pressurization of foaming box 12, water source passes through pipe flow direction shower head 11 in the foaming box 12, shower head 11 sprays foamer, water mixture, and is right the dusty air current carries out the foam dust fall in spray tank 8.
S400: the water pump 19 applies pressure to the foaming tank 12, guides water at the bottom of the spraying tank 8 to flow into the filtering tank 16 through the guide pipe, and flows to the foaming tank 12 through the connecting pipe 18 after being filtered by the filtering net 17.
S500: the dusty airflow after spraying treatment is discharged through the ventilation opening of the spraying box 8.
According to the mine dust removal device 100 and the dust removal method thereof, the centrifugal fan 3 rotates to guide the dust-containing airflow, the dust removal plate 14 can effectively filter dust, the dust falls onto the accommodating groove 15, the dust removal plate 14 is convenient to clean, the motor 4 rotates to drive the flow guide plate 5 to rotate, the linear flow of the dust-containing airflow in the dust collection box 1 is converted into the rotary flow with the downward axial speed, the dust particles in the airflow gradually move to the wall surface along with the force of the centrifugal force in the radial direction, under the combined action of gravity, the dust particles fall and are sucked and collected by the dust accumulation box 13 at the bottom of the dust collection box 1, the clean airflow at the center then enters the air guide pipe 7 to flow into the spray box 8, the water pump 19 applies pressure to the foam box 12, the foam box 12 is filled with water and foaming agent and flows to the spray head 11 through the guide pipe, support 9 supports shower head 11 in spray box 8, and then right spray box 8 in dusty air current foam dust fall, foam adhesion granule descends, and the dust granule gets into spray box 8 bottoms, spray box 8 and pass through pipe connection the rose box, the water siphunculus pipe after spraying gets into in the rose box, in the rose box filter screen 17 effectively filters water, and it is right because of water pump 19 foaming box 12 exerts pressure, and clean water passes through connecting pipe 18 is popular foaming box 12 forms water cycle and uses, and the air current after the spraying processing passes through spray box 8's vent flows, and then adsorbs the dust through wet two kinds of modes futilely, effectively carries out the dust fall in the mine, reduces the hidden danger of coal dust explosion.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A mine dust removal device is characterized by comprising a dust collection assembly and a spraying assembly, wherein the dust collection assembly comprises a dust collection box, a dust collection cylinder, a centrifugal fan, a motor and a drainage plate, the dust collection box is provided with a containing cavity, the containing cavity is positioned inside the dust collection box, the dust collection cylinder is detachably connected with the dust collection box and is positioned on one side, away from the containing cavity, of the dust collection box, the centrifugal fan is detachably connected with the dust collection cylinder and is positioned inside the dust collection cylinder, the motor is detachably connected with the dust collection box and is positioned on one side, away from the containing cavity, of the dust collection box, one side of the drainage plate is fixedly connected with a motor shaft of the motor, and the other side of the drainage plate penetrates through the dust collection box and is positioned in the containing cavity;
spray assembly includes the air duct, sprays case, support, shower head and foaming case, the one end of air duct with dust collection box fixed connection, the other end of air duct with spray case fixed connection, and be located the dust collection box with spray between the case, the support with spray the case and can dismantle the connection, and be located spray the inside of case, the shower head with the connection can be dismantled to the support, and be located the support is kept away from spray one side of case, the foaming case pass through the pipe with shower head fixed connection, and be located the spray case is kept away from one side of shower head.
2. The mine dust extraction apparatus of claim 1,
the mine dust removal device further comprises an ash deposition box, wherein the ash deposition box is detachably connected with the dust collection box and is positioned in the accommodating cavity.
3. The mine dust extraction apparatus of claim 1,
the mine dust removal device further comprises a dust removal plate, wherein the dust removal plate is detachably connected with the dust suction cylinder and is positioned on one side, close to the centrifugal fan, of the dust suction cylinder.
4. A mine dust extraction apparatus as claimed in claim 3,
the mine dust removal device further comprises a storage groove, wherein the storage groove is detachably connected with the dust removal plate and is positioned on one side, far away from the centrifugal fan, of the dust removal plate.
5. The mine dust extraction apparatus of claim 1,
mine dust collector still includes filtering ponds, filter screen and connecting pipe, the filtering ponds pass through the pipe with spray case fixed connection, and the pipe with the case that sprays link up, just the filtering ponds are located spray the case and keep away from one side of support, the filter screen with the filtering ponds can dismantle the connection, and be located the inside of filtering ponds, the connecting pipe with filtering ponds fixed connection, and be located the filtering ponds are close to one side of foaming case.
6. A mine dust removal method is characterized by comprising the following steps:
collecting the dusty airflow, and carrying out centrifugal dust removal treatment on the dusty airflow;
carrying out spraying treatment on the dusty airflow subjected to the centrifugal dust removal treatment;
filtering the sprayed water;
and discharging the dust-containing gas flow after the spraying treatment.
7. A method of removing dust from a mine as claimed in claim 6, wherein during collection of the dusty gas stream:
the centrifugal fan rotates to drain and collect dust-containing airflow, the dust in the dust-containing airflow is blocked by the dust removing plate, and the dust is accumulated on the accommodating groove.
8. A method of removing dust from a mine as claimed in claim 6, wherein, in the centrifugal dust removal treatment of the dusty gas stream:
the motor rotates to drive the drainage plate to rotate, dust particles are separated by centrifugal force and fall into the bottom of the dust collection box, and the falling dust is sucked and collected by the dust collection box.
9. The mine dust removal method of claim 6, wherein in the spraying treatment of the waste water from the centrifugal dust removal treatment:
air current after centrifugal dust removal processing passes through the air duct and gets into in the spray tank, utilizes the water pump to the foaming case pressure boost, the water source passes through the pipe flow direction shower head in the foaming case, the shower head sprays foamer, water mixture, and is right dust-laden air carries out the foam dust fall in the spray tank.
10. The mine dust removal method of claim 6, wherein the water after the spraying treatment is filtered:
the water pump exerts pressure on the filter tank, guides the water at the bottom of the spraying tank to flow into the filter tank through the guide pipe, and flows to the foaming tank through the connecting pipe after being filtered by the filter screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010849326.7A CN112023580A (en) | 2020-08-21 | 2020-08-21 | Mine dust removal device and dust removal method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010849326.7A CN112023580A (en) | 2020-08-21 | 2020-08-21 | Mine dust removal device and dust removal method thereof |
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| CN202010849326.7A Pending CN112023580A (en) | 2020-08-21 | 2020-08-21 | Mine dust removal device and dust removal method thereof |
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| CN113404528A (en) * | 2021-06-18 | 2021-09-17 | 安徽理工大学 | Mining dust fall dust extraction |
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