CN216554000U - Air supply dust pelletizing system - Google Patents
Air supply dust pelletizing system Download PDFInfo
- Publication number
- CN216554000U CN216554000U CN202122542260.XU CN202122542260U CN216554000U CN 216554000 U CN216554000 U CN 216554000U CN 202122542260 U CN202122542260 U CN 202122542260U CN 216554000 U CN216554000 U CN 216554000U
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- air
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- dust removal
- air duct
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- 239000000428 dust Substances 0.000 title claims abstract description 76
- 238000005453 pelletization Methods 0.000 title description 2
- 238000009423 ventilation Methods 0.000 claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000010865 sewage Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air supply and dust removal system, which comprises a ventilation fan, a dust removal fan, an air box with a filtering device, an air supply cylinder, a ventilation cylinder and a switching air cylinder, wherein the ventilation fan is arranged on the air supply cylinder; the switching air duct comprises a main air duct, a first branch air duct and a second branch air duct. The air supply dust removal system disclosed by the utility model adopts an integrated design, occupies a small space and is convenient to move.
Description
Technical Field
The utility model relates to the technical field of ventilation of coal mining working faces, in particular to an air supply and dust removal system.
Background
Fresh air is mainly conveyed to the head of the working face by a ventilation fan in the normal tunneling process of the fully mechanized coal mining face, so that the safe operation of working face operators is guaranteed.
Meanwhile, a large amount of dust is generated in the cutting process of the roadheader, so that workers can suffer from pneumoconiosis due to long-term breathing of the dust, and meanwhile, the visibility of the dust in a roadway is low, so that the normal operation of the workers is influenced. Therefore, the dust removal fan is designed and installed at the position, about 50m away from the head of the working face, of the electric appliance platform, the dust removal air duct is designed and installed from the dust removal fan to the head of the working face, during operation, dust can be sucked into the air duct of the dust removal fan through the dust removal air duct and is discharged after being filtered, and the dust content in air is greatly reduced.
In the prior art, the air supply duct and the dust removal duct are arranged side by side in a separated mode, the occupied space is large, and when the air supply duct and the dust removal duct move along with the working face, the air supply duct and the dust removal duct need to be moved twice respectively, so that the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air supply dust removal system which is designed in an integrated mode, occupies a small space and is convenient to move.
The technical scheme of the utility model provides an air supply and dust removal system, which comprises a ventilation fan, a dust removal fan, an air box with a filtering device, an air supply cylinder, a ventilation cylinder and a switching air cylinder, wherein the ventilation fan is connected with the air supply cylinder;
the switching air duct comprises a main air duct, a first branch air duct and a second branch air duct;
the front end of the main air duct is an air inlet end of the main air duct, and the rear end of the main air duct is a ventilation end of the main air duct;
the front end of the first branch air duct is a first air inlet end, and the rear end of the first branch air duct is a first air outlet end;
the front end of the second branch air duct is a second air outlet end, and the rear end of the second branch air duct is a second air inlet end;
the first air inlet end is connected with the air inlet end of the main air duct, an air inlet of the air duct is formed between the first air inlet end and the air inlet end of the main air duct, and the first air outlet end is positioned between the front end and the rear end of the main air duct;
the second air inlet end is connected between the front end and the rear end of the main air duct;
a main air duct valve is arranged on the main air duct and is positioned between the air inlet end of the main air duct and the second air inlet end;
the first branch air duct is provided with a first valve, and the second branch air duct is provided with a second valve;
the air supply cylinder is connected between the ventilation fan and the air inlet of the air cylinder, and the air cylinder is connected with the ventilation end of the main air cylinder;
and the air inlet of the air box is connected with the second air outlet end, and the dust removal fan is connected with the air outlet of the air box.
In an optional technical scheme, the ventilation fan is installed in the air inlet end of the air supply cylinder.
In one optional technical scheme, the air supply cylinder is formed by connecting at least two sections of air supply pipes.
In one optional technical scheme, the ventilation barrel is formed by connecting at least two sections of ventilation pipes.
In an optional technical solution, the first branch air duct, the second branch air duct and the main air duct are integrally formed.
In one optional technical scheme, the filtering device comprises a frame and a filter screen installed in the frame.
In one optional technical scheme, more than two layers of filter screens are arranged in the frame.
In one optional technical scheme, a top opening is formed in an air box top plate of the air box, and a limiting groove is formed in an air box bottom plate of the air box;
the filter device is inserted into the wind box from the top opening, and the bottom of the filter device is located in the limiting groove.
In one optional technical scheme, a spray head for spraying water to the filtering device is arranged on the top plate of the air box;
the air box bottom plate is provided with a sewage discharge outlet, and a lifting oil cylinder is connected below the air box bottom plate.
In one optional technical scheme, the top surface of the bottom plate of the air box is a bottom plate inclined surface, and the bottom plate inclined surface is arranged in a manner that the front bottom is higher than the back bottom;
the sewage draining port is arranged at the front end of the air box bottom plate.
By adopting the technical scheme, the method has the following beneficial effects:
the air supply dust removal system provided by the utility model adopts an integrated design, occupies a small space and is convenient to move.
When the working face normally tunnels, the first valve and the second valve are opened, the main air duct valve is closed, the ventilation fan and the dust removal fan work, fresh air is blown to the working face from the first branch air duct, and air containing dust enters the air box through the first branch air duct, the main air duct and the second branch air duct, is filtered by the filtering device and then is discharged.
When the working face is not used for tunneling operation, dust is less, dust removal is not needed, the first valve and the second valve are closed, the main air duct valve is opened, the ventilation fan works, the dust removal fan does not work, and fresh air is blown to the working face through the main air duct and the ventilation duct.
Because the air supply cylinder, the ventilation cylinder and the air box are connected and integrated together by the switching air cylinder, when the air supply dust removal system needs to be moved, the air supply dust removal system can be integrally pulled to move, and the operation is convenient.
Drawings
Fig. 1 is a schematic view of an air supply dust removal system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the transition duct;
FIG. 3 is a schematic view of the air flow direction in the air supply dust removal system when the working face is not performing tunneling operation;
FIG. 4 is a schematic view of the air flow direction in the air supply dust removal system when the working face is not performing tunneling operation;
FIG. 5 is a schematic view of a windbox with a filter device installed therein;
FIG. 6 is a sectional view of a windbox;
fig. 7 is a schematic view showing a water pump in a water reservoir connected to a spray head through a water pipe.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 5, an air supply and dust removal system according to an embodiment of the present invention includes a ventilation blower 1, a dust removal blower 2, a wind box 3 having a filtering device 4, an air supply duct 5, a ventilation duct 6, and a switching duct 7.
The switching duct 7 includes a main duct 71, a first branch duct 72, and a second branch duct 73.
The front end of the main air duct 71 is a main air duct air inlet end 711, and the rear end of the main air duct 71 is a main air duct ventilation end 712.
The front end of the first branch air duct 72 is a first air inlet end 721, and the rear end of the first branch air duct 72 is a first air outlet end 722.
The front end of the second branch air duct 73 is a second air outlet end 732, and the rear end of the second branch air duct 73 is a second air inlet end 731.
The first air inlet end 721 is connected with the air inlet end 711 of the main air duct, an air inlet duct 70 is formed between the first air inlet end 721 and the air inlet end 711 of the main air duct, and the first air outlet end 721 is located between the front end and the rear end of the main air duct 71.
The second air inlet end 731 is connected between the front and rear ends of the main air duct 71.
The main air duct 71 is provided with a main air duct valve 74, and the main air duct valve 74 is located between the main air duct air inlet end 711 and the second air inlet end 731.
The first branch duct 72 is provided with a first valve 75, and the second branch duct 73 is provided with a second valve 76.
The air supply cylinder 5 is connected between the ventilation fan 1 and the air inlet 70 of the air cylinder, and the air cylinder 6 is connected with the ventilation end 712 of the main air cylinder.
The air inlet 33 of the air box 3 is connected with the second air outlet end 732, and the dust removing fan 2 is connected with the air outlet 34 of the air box 3.
The air supply dust removal system provided by the utility model is mainly used for supplying air to the working face 8.
The air supply and dust removal system mainly comprises a ventilation fan 1, a dust removal fan 2, an air box 3, a filtering device 4, an air supply cylinder 5, a ventilation cylinder 6 and a switching air cylinder 7.
The ventilation fan 1 is a fan used for supplying air, and the dust removal fan 2 is a fan used for removing dust.
The air supply duct 5 is connected with the ventilation fan 1 to supply air to the rear.
The air box 3 is provided with a cavity 30, the front side of the air box 3 is an air outlet 34, and the rear side of the air box 3 is an air inlet 33. The dust removing fan 2 is arranged on the front side of the air box 3, and the dust removing fan 2 is connected with the air outlet 34.
The filter device 4 is installed in the cavity 30, and the filter device 4 is used for filtering and dedusting air passing through, and can adopt a filter screen, a filter element and the like for dedusting.
The switching air duct 7 is used for integrating the air supply duct 5, the air duct 6 and the air box 3.
The transition duct 7 includes a main duct 71 in the middle, a first branch duct 72 on one side of the main duct 71, and a second branch duct 73 on the other side of the main duct 71.
The front end of the main air duct 71 is a main air duct air inlet end 711, and the rear end thereof is a main air duct ventilation end 712.
The front end of the first branch air duct 72 is a first air inlet end 721, and the rear end thereof is a first air outlet end 722.
The front end of the second branch air duct 73 is a second air outlet end 732, and the rear end thereof is a second air inlet end 731.
The first air inlet end 721 is connected with the main air duct air inlet end 711, an air duct air inlet 70 is formed between the first air inlet end 721 and the main air duct air inlet end 711, and the main air duct 71 and the first branch air duct 72 share the air duct air inlet 70. The rear end (air outlet end) of the air supply duct 5 is connected with an air inlet 70 of the air duct. The first air outlet end 721 extends forward and is located between the front end and the rear end of the main air duct 71.
The second air inlet end 731 is connected between the front and rear ends of the main air duct 71. The second air outlet end 732 extends backward and is connected to the air inlet 33 of the air box 3.
In order to realize the air flow switching, a main air duct valve 74 is arranged on the main air duct 71, and the main air duct valve 74 is located between the main air duct air inlet end 711 and the second air inlet end 731. The first branch duct 72 is provided with a first valve 75, and the second branch duct 73 is provided with a second valve 76.
The main air duct valve 74, the first valve 75 and the second valve 76 can be dampers of the prior art.
Therefore, the air supply dust removal system provided by the utility model adopts an integrated design, occupies a small space and is convenient to move.
When the working face 8 is in normal tunneling operation, the first valve 75 and the second valve 76 are opened, the main air duct valve 74 is closed, the ventilation fan 1 and the dust removal fan 2 both work, fresh air is blown to the working face from the first branch air duct 72, and air containing dust enters the air duct 3 through the air duct 6, the main air duct 71 and the second branch air duct 73, is filtered by the filter device 4 and then is discharged by the dust removal fan 2.
When the working face 8 is not used for tunneling operation, dust is less, dust removal is not needed, the first valve 75 and the second valve 76 are closed, the main air duct valve 74 is opened, the ventilation fan 1 works, the dust removal fan 2 does not work, and fresh air is blown to the working face through the main air duct 71 and the ventilation duct 6.
Because the air supply cylinder 5, the air cylinder 6 and the air box 3 are integrated by the switching air cylinder 7, when the air supply dust removal system needs to be moved, the air supply dust removal system can be integrally pulled to move, and the operation is convenient.
In one embodiment, as shown in fig. 1, the ventilation fan 1 is installed in the air intake end of the air supply duct 5. The ventilation fan 1 can directly suck air into the air inlet end of the air supply cylinder 5. The ventilation fan 1 is integrated in the air inlet end of the air supply cylinder 5, so that the external space does not need to be occupied additionally, and the integration of the system is improved.
In one embodiment, as shown in fig. 1, the air supply duct 5 is formed by connecting at least two air supply ducts 51. Any two adjacent air supply pipes 51 can be connected through threads or clamps, and the length of the air supply cylinder 5 can be adjusted according to the requirement.
In one embodiment, as shown in FIG. 1, the funnel 6 is formed by connecting at least two sections of ventilation tubes 61. Any two adjacent sections of the ventilation pipes 61 can be connected through threads and can also be connected through a clamp, and the length of the ventilation pipe 6 can be adjusted according to the requirement.
In one embodiment, the first and second diverging ducts 72, 73 and the main duct 71 are integrally formed. The first branch air duct 72, the second branch air duct 73 and the main air duct 71 can be integrally formed into the switching air duct 7 through injection molding, so that the processing and forming are convenient, and the structural strength is high.
In one embodiment, as shown in fig. 5, the filtering device 4 comprises a frame 42 and a sieve 43 mounted in the frame 42.
In this embodiment, the filtering device 4 is composed of a frame 42 and a filter net 43, the filter net 43 is an air filter net, and the filter net 43 is installed in the frame 42. The frame 42 is detachably mounted in the cavity 30 of the bellows 3, facilitating removal, replacement and cleaning.
In one embodiment, as shown in fig. 5, more than two layers of screens 43 are installed in the frame 42, so as to improve the dust filtering effect.
In one embodiment, as shown in FIGS. 5 to 6, the top plate 31 of the bellows 3 is provided with a top opening 311, and the bottom plate 32 of the bellows 3 is provided with a stopper groove 322.
The filter device 4 is inserted into the bellows 3 from the top opening 311, and the bottom of the filter device 4 is in the stopper groove 322.
In this embodiment, the limiting groove 322 is located right below the top opening 311, and the top of the frame 42 has a handle 41. When the filter device 4 is installed, the frame 42 is inserted into the bellows 3 from the top opening 311 by holding the handle 41, and the bottom of the frame 42 is inserted into the stopper groove 322, so that the filter device 4 is easily installed, and the installation stability of the filter device 4 is improved.
When the filter screen 43 needs to be cleaned, the handle 41 is held by hand to pull the frame 42 out from the top opening 311, and then the filter screen 43 is washed by water, so that the operation is convenient.
In one embodiment, as shown in FIGS. 5-7, the top plate 31 of the windbox is provided with spray nozzles 35 for spraying water to the filter unit 4.
A sewage discharge outlet 323 is arranged on the air box bottom plate 32, and a lifting oil cylinder 36 is connected below the air box bottom plate 32.
In this embodiment, in order to improve the dustfall effect, a shower head 35 for spraying water to the filter device 4 is provided on the air box top plate 31. A water pool 9 is arranged outside the air box 3, and the water pool 9 can be selected from a water pool in a roadway or a self-contained water pool. A water pump 91 is arranged in the water tank 9, and the water pump 91 is connected with the spray head 35 through a water pipe 92. The top plate 31 of the bellows is provided with a through hole for the water pipe 92 to pass through.
In order to discharge sewage, a sewage discharge outlet 323 is arranged on the air box bottom plate 32, and the air box 3 is lifted to a preset height through the lifting oil cylinder 36, so that the sewage discharge outlet 323 is prevented from being blocked by the roadway bottom plate.
When dust is removed, the water pump 91 is started, water is sprayed to the filter screen 43 through the spray nozzle 35, the dust removal effect can be improved, and dust is wetted and collected on the air box bottom plate 32 and then discharged through the sewage discharge port 323.
In one embodiment, as shown in FIG. 5, the top surface of the bellows base plate 32 is a base plate ramp 321, the base plate ramp 321 being in a bottom front to top back arrangement. A drain 323 is provided at the front end of the bellows base 32.
In this embodiment, the top surface of the bottom plate 32 of the bellows is a bottom plate inclined surface 321, and the bottom plate inclined surface 321 is arranged in a manner that the front is wide and the back is narrow, and is in a bell mouth shape, so that the air flow from the air inlet 33 to the air outlet 34 is facilitated. The sewage discharge port 323 is arranged at the front end of the bellows bottom plate 32, so that sewage collected in a low-lying position at the front end can be discharged as completely as possible.
In summary, the air supply dust removal system provided by the utility model adopts an integrated design, occupies a small space and is convenient to move.
When the working face 8 is in normal tunneling operation, the first valve 75 and the second valve 76 are opened, the main air duct valve 74 is closed, the ventilation fan 1 and the dust removal fan 2 both work, fresh air is blown to the working face from the first branch air duct 72, and air containing dust enters the air duct 3 through the air duct 6, the main air duct 71 and the second branch air duct 73, is filtered by the filter device 4 and then is discharged by the dust removal fan 2.
When the working face 8 is not used for tunneling operation, dust is less, dust removal is not needed, the first valve 75 and the second valve 76 are closed, the main air duct valve 74 is opened, the ventilation fan 1 works, the dust removal fan 2 does not work, and fresh air is blown to the working face through the main air duct 71 and the ventilation duct 6.
Because the air supply cylinder 5, the air cylinder 6 and the air box 3 are integrated by the switching air cylinder 7, when the air supply dust removal system needs to be moved, the air supply dust removal system can be integrally pulled to move, and the operation is convenient.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the utility model. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. An air supply and dust removal system is characterized by comprising a ventilation fan, a dust removal fan, an air box with a filtering device, an air supply cylinder, a ventilation cylinder and a switching air cylinder;
the switching air duct comprises a main air duct, a first branch air duct and a second branch air duct;
the front end of the main air duct is an air inlet end of the main air duct, and the rear end of the main air duct is a ventilation end of the main air duct;
the front end of the first branch air duct is a first air inlet end, and the rear end of the first branch air duct is a first air outlet end;
the front end of the second branch air duct is a second air outlet end, and the rear end of the second branch air duct is a second air inlet end;
the first air inlet end is connected with the air inlet end of the main air duct, an air inlet of the air duct is formed between the first air inlet end and the air inlet end of the main air duct, and the first air outlet end is positioned between the front end and the rear end of the main air duct;
the second air inlet end is connected between the front end and the rear end of the main air duct;
a main air duct valve is arranged on the main air duct and is positioned between the air inlet end of the main air duct and the second air inlet end;
the first branch air duct is provided with a first valve, and the second branch air duct is provided with a second valve;
the air supply cylinder is connected between the ventilation fan and the air inlet of the air cylinder, and the air cylinder is connected with the ventilation end of the main air cylinder;
and the air inlet of the air box is connected with the second air outlet end, and the dust removal fan is connected with the air outlet of the air box.
2. The air supply duct dust removal system of claim 1, wherein the ventilation fan is mounted in the air inlet end of the air supply duct.
3. The air supply duct dedusting system of claim 1, wherein the air supply duct is formed by connecting at least two sections of air supply ducts.
4. The air supply and dust removal system of claim 1, wherein the air funnel is formed by connecting at least two sections of ventilation tubes.
5. The air supply and dust removal system of claim 1, wherein the first bifurcated duct, the second bifurcated duct, and the main duct are integrally formed.
6. The air supply dust removal system of claim 1,
the filter device includes a frame and a filter screen mounted in the frame.
7. The air supply and dust removal system of claim 6, wherein more than two layers of said screens are mounted in said frame.
8. The air supply system according to any one of claims 1 to 7,
an air box top plate of the air box is provided with a top opening, and an air box bottom plate of the air box is provided with a limit groove;
the filter device is inserted into the wind box from the top opening, and the bottom of the filter device is located in the limiting groove.
9. The air supply and dust removal system of claim 8, wherein a spray head for spraying water to the filter device is arranged on the top plate of the air box;
the air box bottom plate is provided with a sewage discharge outlet, and a lifting oil cylinder is connected below the air box bottom plate.
10. The air supply and dust removal system of claim 9, wherein the top surface of the bottom plate of the air box is a bottom plate slope, and the bottom plate slope is arranged with a front bottom and a rear height;
the sewage draining port is arranged at the front end of the air box bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542260.XU CN216554000U (en) | 2021-10-21 | 2021-10-21 | Air supply dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122542260.XU CN216554000U (en) | 2021-10-21 | 2021-10-21 | Air supply dust pelletizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554000U true CN216554000U (en) | 2022-05-17 |
Family
ID=81567832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122542260.XU Active CN216554000U (en) | 2021-10-21 | 2021-10-21 | Air supply dust pelletizing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN216554000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506832A (en) * | 2022-09-27 | 2022-12-23 | 陕西惠天煤矿工程技术有限公司 | A small-area composite ventilation and dust removal fresh air device, roadheader and construction method |
| CN116946201A (en) * | 2023-09-21 | 2023-10-27 | 广州广冷华旭制冷空调实业有限公司 | Ventilation device and railway vehicle comprising same |
-
2021
- 2021-10-21 CN CN202122542260.XU patent/CN216554000U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506832A (en) * | 2022-09-27 | 2022-12-23 | 陕西惠天煤矿工程技术有限公司 | A small-area composite ventilation and dust removal fresh air device, roadheader and construction method |
| CN115506832B (en) * | 2022-09-27 | 2025-09-09 | 陕西惠天煤矿工程技术有限公司 | Small-area composite ventilation dust removal fresh air device, heading machine and construction method |
| CN116946201A (en) * | 2023-09-21 | 2023-10-27 | 广州广冷华旭制冷空调实业有限公司 | Ventilation device and railway vehicle comprising same |
| CN116946201B (en) * | 2023-09-21 | 2023-12-15 | 广州广冷华旭制冷空调实业有限公司 | Ventilation device and railway vehicle comprising same |
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