CN211777569U - Dust collector in pit - Google Patents
Dust collector in pit Download PDFInfo
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- CN211777569U CN211777569U CN202020355679.7U CN202020355679U CN211777569U CN 211777569 U CN211777569 U CN 211777569U CN 202020355679 U CN202020355679 U CN 202020355679U CN 211777569 U CN211777569 U CN 211777569U
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Abstract
The utility model discloses a dust collector in pit, it includes: the device comprises a box body (1), wherein a dust absorption fan (2) is installed on the left side plate of the box body (1), a tail gas discharge grid (9) is arranged on the upper side of the right side plate, and a filtering and cleaning device is arranged in the box body; the operation method comprises the following steps: starting a dust absorption fan to absorb and send dust into the filtering and cleaning device; opening a water supply pipeline to supply water to a water curtain and a cleaning spray head of the filtering and cleaning device, and forming a water curtain on the upper part of the filter screen and a water film on the filter grid; when the dust passes through a water curtain and a water film formed by the filter screen, the water curtain and the cleaning nozzle under the pushing of the air flow, the dust is cut off by the filter screen and the water film and is adhered to the filter screen, and then the dust is washed to the bottom of the box body by water flow formed by the water curtain; opening a sewage discharge pipeline and discharging sewage out of the tank body; the problems of large place limitation and poor flexibility in the prior art are solved; a large amount of foam or water mist is generated on the using site, and the influence on the site safety and the health of workers is generated.
Description
Technical Field
The utility model belongs to colliery is the technique of putting out dust in the pit, especially relates to a dust collector in pit.
Background
During coal mining, a large amount of dust is produced. The generation of a large amount of dust seriously harms the physical health of coal mine workers and also has the danger of dust explosion. Dust control is an important part in coal mine safety work.
Currently, the closest prior art is the use of foam dust suppression technology in downhole mining faces and the use of automatic dust-proof water curtain devices in major roadways.
In the process of using the foam dust suppression and the dustproof water curtain, the foam dust suppression is mainly used for the mining equipment, the dust suppression is carried out at fixed points aiming at the dust generated at the cutting part of the mining equipment, the dustproof water curtain is used for fixing the position in a main roadway, the dust dispersed in the roadway is subjected to dust reduction treatment, and the using places of the two technologies have great limitations; the foam dust suppression and dustproof water curtain can generate a large amount of foam and water mist which are dispersed in a roadway along with wind flow, and the foam dust suppression and dustproof water curtain can be sucked into the lung by workers while influencing the working sight of the workers on site, so that the health of the workers is influenced to a certain extent; dead angles and leakage points also exist in dust prevention and control by the foam dust suppression and the dustproof water curtain, and the foam dust suppression and dustproof water curtain cannot give consideration to some scattered dust production working places.
In summary, the problems existing in the prior art are mainly that: the use place is limited greatly, and the flexibility is insufficient; a large amount of foam or water mist is generated on the use site, so that the site safety and the health of workers are influenced; the technical problems that the scattered dust-generating working points cannot be considered simultaneously and the like are solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the underground dust removing device is provided to solve the problems that in the prior art, the foam dust removing technology used on an underground excavation working surface has large place limitation and poor flexibility; a large amount of foam or water mist is generated on the use site, so that the site safety and the health of workers are influenced; the technical problems that the scattered dust-generating working points cannot be considered simultaneously and the like are solved.
The utility model adopts the technical proposal that:
a downhole dust extraction apparatus comprising: the box, install dust absorption fan on the box left side board, open the right side board upside has exhaust emission grid, is provided with in the box and filters belt cleaning device.
The filtering and cleaning device comprises a filter screen, a water curtain and a cleaning spray head, wherein the filter screen is fixed between the upper side plate and the lower side plate of the box body; the filter screen is obliquely installed; the inclination direction is leftward inclination, and the inclination angle is 40-60 degrees; the water curtain and the cleaning spray head with the inclination direction of 45 degrees are fixed on the upper side plate of the box body and are positioned at the top of the filter screen; the filtering and cleaning device is provided with two sets; are respectively and sequentially arranged in the box body.
The tail gas flow deflection baffle is positioned behind the filtering and cleaning device and is fixed on the upper side plate of the box body; the tail gas flow deflection baffle is obliquely arranged, and the oblique direction is leftward inclination; the angle of inclination is between 40 and 60 degrees.
The right side plate and the left side plate of the box body are provided with arc-shaped tail gas flow guide plates.
The front side plate and the rear side plate of the box body are detachable plates or are fixed on the front cross rod and the rear cross rod of the upper side plate of the box body through hinges.
The air volume of the dust collection fan is about 50 cubic meters per minute; the water pressure of the water curtain nozzle is 0.4 Mpa.
It also comprises a water supply pipeline, and the water supply pipeline is connected with the water curtain of the filtering and cleaning device and the water inlet end of the cleaning spray head.
The sewage discharge pipeline is arranged at the bottom of the lower side plate of the box body; the sewage discharge pipeline is communicated with the upper surface of the lower side plate of the box body.
The operation method of the underground dust removing device comprises the following steps: starting a dust absorption fan to absorb and send dust into the filtering and cleaning device; opening a water supply pipeline to supply water to a water curtain and a cleaning spray head of the filtering and cleaning device, and forming a water curtain on the upper part of the filter screen and a water film on the filter grid; when the dust passes through a water curtain and a water film formed by the filter screen, the water curtain and the cleaning nozzle under the pushing of the air flow, the dust is cut off by the filter screen and the water film and is adhered to the filter screen, and then the dust is washed to the bottom of the box body by water flow formed by the water curtain; and opening the sewage discharge pipeline to discharge the sewage out of the tank body.
The utility model has the advantages that:
the utility model has simple structure, flexibility and portability, and can be installed or placed in the mining equipment or the dispersed working places of the tunnel by adopting a proper mode; a dust collection fan is adopted to absorb dust at a dust production place, the interior of the device is filtered and cleaned, and sewage containing the dust is discharged in a centralized organized drainage mode, so that the purpose of reducing the dust is achieved; the utility model adopts the dust removing device with the box body structure, is convenient to carry and can adapt to different geographical environments; dust is collected in the box body by adopting a box body structure, so that the influence on the health of workers is avoided; the problems that in the prior art, the foam dust suppression technology used on the underground excavation working surface has large place limitation and poor flexibility are solved; a large amount of foam or water mist is generated on the use site, so that the site safety and the health of workers are influenced; the technical problems that the scattered dust-generating working points cannot be considered simultaneously and the like are solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
A downhole dust extraction apparatus comprising: the box 1, install dust absorption fan 2 on the 1 left side board of box, open the right side board upside has exhaust emission grid 9, is provided with in the box and filters belt cleaning device.
The filtering and cleaning device comprises a filter screen 3 and a water curtain and cleaning spray head 4, wherein the filter screen 3 is fixed between the upper side plate and the lower side plate of the box body 1; the filter screen 3 is obliquely arranged; the inclination direction is leftward inclination, and the inclination angle is 40-60 degrees; the water curtain and the cleaning nozzle 4 with the inclination direction of 45 degrees are fixed on the upper side plate of the box body 1 and positioned at the top of the filter screen 3; the filtering and cleaning device is provided with two sets; are respectively and sequentially arranged in the box body.
The tail gas flow deflection baffle 7 is positioned behind the filtering and cleaning device and is fixed on the upper side plate of the box body 1; the tail gas flow deflection baffle 7 is obliquely arranged, and the oblique direction is leftward inclination; the angle of inclination is between 40 and 60 degrees. The purpose of the exhaust flow deflection baffle 7 is: the tail gas flow passing through the filtering and cleaning device is deflected at the tail gas flow deflection baffle 7, water drops possibly containing dust are blocked, and the rest tail gas flow is discharged out of the rack along the tail gas flow guide plate 8 and the tail gas flow discharge grid 9. The retained water drops drop on the lower side plate and are discharged from the sewage discharge pipe 6.
The purpose of obliquely installing the tail gas flow deflection baffle 7 is to reduce the resistance of wind; wind energy smoothly flows through and is finally discharged from the tail gas discharge grid 9;
the right side plate and the left side plate of the box body 1 are provided with arc-shaped tail gas flow guide plates 8; its purpose is discharged smoothly along exhaust flow guide plate 8 for the exhaust flow, can not be detained in the box inside and influence dust removal effect.
The front side plate and the rear side plate of the box body 1 are detachable plates or the front side plate and the rear side plate of the box body 1 are fixed on the front cross bar and the rear cross bar of the upper side plate of the box body 1 through hinges; the front and rear side plates of the box body 1 are detachable or opened, and the purpose is to clean the interior of the box body conveniently.
The air volume of the dust collection fan is about 50 cubic meters per minute; the water pressure of the water curtain nozzle is 0.4 Mpa. The utility model discloses the experiment has been carried out in certain colliery, adopts the amount of wind about 50m3The dust absorption fan of/min and the water curtain spray head with the water pressure of 0.4Mpa are applied to the underground and have the best effect of reducing dust.
It still includes water supply pipe 5, and water supply pipe 5 is connected with the water curtain and the 4 end of intaking of cleaning spray head of filtering and cleaning device. The water supply pipeline 5 is connected with an external clear water pipe by a hose; the external clean water pipe is a corresponding water supply pipeline in the mining equipment or the roadway.
The sewage treatment device also comprises a sewage discharge pipeline 6, wherein the sewage discharge pipeline 6 is arranged at the bottom of the lower side plate of the box body 1; the sewage discharge pipeline 6 is communicated with the upper surface of the lower side plate of the box body 1; the sewage discharge pipeline 6 discharges the sewage containing dust by adopting a centralized organized drainage mode.
The utility model discloses the application method, open dust absorption fan, inhale and send the dust into filtering and cleaning device; opening a water supply pipeline to supply water to a water curtain and a cleaning spray head of the filtering and cleaning device, and forming a water curtain on the upper part of the filter screen and a water film on the filter grid; when the dust passes through a water curtain and a water film formed by the filter screen, the water curtain and the cleaning nozzle under the pushing of the air flow, the dust is cut off by the filter screen and the water film and is adhered to the filter screen, and then the dust is washed to the bottom of the box body by water flow formed by the water curtain; and opening the sewage discharge pipeline to discharge the sewage out of the tank body.
The tail gas flow with the dust removed is deflected at the tail gas flow deflection baffle 7, large water drops possibly containing dust are blocked and discharged, and the rest tail gas flow is discharged out of the rack along the tail gas flow guide plate 8 and the tail gas flow discharge grid 9.
Claims (8)
1. A downhole dust extraction apparatus comprising: box (1), its characterized in that: a dust absorption fan (2) is installed on the left side plate of the box body (1), a tail gas discharge grid (9) is arranged on the upper side of the right side plate, and a filtering and cleaning device is arranged in the box body.
2. A downhole dust extraction apparatus as claimed in claim 1, wherein: the filtering and cleaning device comprises a filter screen (3), a water curtain and a cleaning spray head (4), wherein the filter screen (3) is fixed between the upper side plate and the lower side plate of the box body (1); the filter screen (3) is obliquely arranged; the inclination direction is leftward inclination, and the inclination angle is 40-60 degrees; the water curtain and the cleaning nozzle (4) with the inclination direction of 45 degrees are fixed on the upper side plate of the box body (1) and positioned at the top of the filter screen (3); the filtering and cleaning device is provided with two sets; are respectively and sequentially arranged in the box body.
3. A downhole dust extraction apparatus as claimed in claim 1, wherein: the tail gas flow deflection baffle (7) is positioned behind the filtering and cleaning device and is fixed on the upper side plate of the box body (1); the tail gas flow deflection baffle (7) is obliquely arranged, and the oblique direction is leftward oblique; the angle of inclination is between 40 and 60 degrees.
4. A downhole dust extraction apparatus as claimed in claim 1, wherein: the right side plate and the left side plate of the box body (1) are provided with an arc-shaped tail gas flow guide plate (8).
5. A downhole dust extraction apparatus as claimed in claim 1, wherein: the front side plate and the rear side plate of the box body (1) are detachable plates or the front side plate and the rear side plate of the box body (1) are fixed on the front cross rod and the rear cross rod of the upper side plate of the box body (1) through hinges.
6. A downhole dust extraction device according to claim 2, wherein: the air volume of the dust collection fan is about 50 cubic meters per minute; the water pressure of the water curtain nozzle is 0.4 Mpa.
7. A downhole dust extraction apparatus as claimed in claim 1, wherein: the water supply device also comprises a water supply pipeline (5), and the water supply pipeline (5) is connected with a water curtain of the filtering and cleaning device and a water inlet end of the cleaning spray head (4).
8. A downhole dust extraction apparatus as claimed in claim 1, wherein: the sewage treatment device also comprises a sewage discharge pipeline (6), wherein the sewage discharge pipeline (6) is arranged at the bottom of the lower side plate of the box body (1); the sewage discharge pipeline (6) is communicated with the upper surface of the lower side plate of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355679.7U CN211777569U (en) | 2020-03-19 | 2020-03-19 | Dust collector in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355679.7U CN211777569U (en) | 2020-03-19 | 2020-03-19 | Dust collector in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777569U true CN211777569U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020355679.7U Active CN211777569U (en) | 2020-03-19 | 2020-03-19 | Dust collector in pit |
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| Country | Link |
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| CN (1) | CN211777569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289444A (en) * | 2021-06-10 | 2021-08-24 | 重庆水利电力职业技术学院 | High-efficient dust collector behind tunnel construction |
-
2020
- 2020-03-19 CN CN202020355679.7U patent/CN211777569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289444A (en) * | 2021-06-10 | 2021-08-24 | 重庆水利电力职业技术学院 | High-efficient dust collector behind tunnel construction |
| CN113289444B (en) * | 2021-06-10 | 2022-06-10 | 重庆水利电力职业技术学院 | High-efficient dust collector behind tunnel construction |
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