CN220365783U - A air inlet unit that is used for dustproof noise reduction of cement fan - Google Patents
A air inlet unit that is used for dustproof noise reduction of cement fan Download PDFInfo
- Publication number
- CN220365783U CN220365783U CN202322047155.8U CN202322047155U CN220365783U CN 220365783 U CN220365783 U CN 220365783U CN 202322047155 U CN202322047155 U CN 202322047155U CN 220365783 U CN220365783 U CN 220365783U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- convex
- convex shell
- noise
- dustproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004568 cement Substances 0.000 title claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920000742 Cotton Polymers 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The utility model discloses a dustproof and noise-reducing air inlet device for a cement fan, which comprises a cylindrical air inlet cylinder and a convex shell connected with the air inlet cylinder, wherein the convex shell comprises a convex shell upper part and a convex shell lower part, the top of the convex shell is open, the bottom of the convex shell is sealed, the side wall of the lower part of the convex shell is hollowed out, and the side wall of the outer side of the lower part of the convex shell is wrapped with a dustproof and noise-reducing layer. According to the utility model, the polyurethane activated carbon sponge is additionally arranged at the air inlet of the fan, so that dust and flying cotton can be effectively prevented from entering the fan, and the polyurethane has a good sound insulation effect, simultaneously has a noise reduction function, and can play a role in sound insulation and absorption. The utility model has simple and quick manufacture, is not easy to cause blockage, and is convenient to use and clean.
Description
Technical Field
The utility model belongs to the technical field of fan noise reduction, and particularly relates to a dustproof noise-reduction air inlet device for a cement fan.
Background
In cement production, fans are often required at the cement delivery chute. The existing fan is not provided with dustproof noise reduction protection at the air inlet, dust and flying cotton fibers cannot be blocked from entering the fan, and noise is large in the operation process, so that the requirements of occupational health cannot be met. Because the raw materials for manufacturing cement in the field environment are large in dust, the air inlet often contains a large amount of dust, and if the structure of the air inlet of the fan is complex, the air inlet is easy to block.
As shown in fig. 1, the air inlet part of the fan used in the existing cement production process is a cylindrical shell, the opening part of the fan is provided with a wire mesh, and the wire mesh is mainly provided with dust and flying flocks which are easy to enter in the air inlet in the field operation process, so that the air supply to the chute is affected, the wire mesh cannot solve the problem, and the noise of the operation field is too large, so that the hearing of a patrol personnel is damaged.
Disclosure of Invention
The utility model aims to provide a dustproof and noise-reducing air inlet device for a cement fan.
The utility model is realized according to the following technical scheme.
The utility model provides an air inlet unit that is used for dustproof noise reduction of cement fan, includes cylindricality air inlet section of thick bamboo, still include with the convex casing that air inlet section of thick bamboo is connected, the convex casing includes convex casing upper portion and convex casing lower part, convex casing open-top, the bottom is sealed, convex casing lower part lateral wall fretwork, convex casing lower part outside lateral wall parcel has dustproof noise reduction layer.
The beneficial effects of the utility model are as follows:
according to the utility model, the hollow air duct wrapped with the polyurethane activated carbon sponge is additionally arranged at the air inlet of the fan, so that dust and flying cotton can be effectively prevented from entering the fan, and the polyurethane has a good sound insulation effect, simultaneously has a noise reduction function, and can play a role in sound insulation and absorption. The utility model has simple and quick manufacture, is not easy to cause blockage, and is convenient to use and clean.
Drawings
FIG. 1 is a view of an inlet duct of a conventional fan;
FIG. 2 is a schematic illustration of the present utility model;
FIG. 3 is a perspective view of FIG. 2;
FIG. 4 is a schematic view of an air intake duct according to the present utility model;
FIG. 5 is a schematic view of a convex housing of the present utility model;
FIG. 6 is a schematic view of the outer side wall of a convex housing wrapped with a dust-proof noise-reducing layer according to the present utility model;
fig. 7 is a schematic view of the use state of the present utility model.
The device comprises a 1-air inlet cylinder, a 2-convex shell, a 3-convex shell upper part, a 4-convex shell lower part, a 5-dustproof noise reduction layer, a 6-through hole, a 7-bolt, an 8-valve handle and a 9-valve.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and the embodiments.
As shown in fig. 1-7, the air inlet device for dust prevention and noise reduction of the cement fan comprises a cylindrical air inlet barrel 1, and further comprises a convex shell 2 connected with the air inlet barrel 1, wherein the convex shell 2 comprises a convex shell upper part 3 and a convex shell lower part 4, the top of the convex shell 2 is opened, the bottom is sealed, the side wall of the convex shell lower part 4 is hollowed out, and the outer side wall of the convex shell lower part 4 is wrapped with a dust prevention and noise reduction layer 5.
The dustproof and noise-reducing air inlet device for the cement fan is characterized in that an air inlet cylinder 1, a convex shell upper part 3 and a convex shell lower part 4 are cylindrical, the diameter sizes of the air inlet cylinder 1 and the convex shell upper part 3 are the same, and the area of the lateral wall of the outer side of the convex shell lower part 4 is larger than that of the lateral wall of the air inlet cylinder 1.
The dustproof and noise-reducing air inlet device for the cement fan is characterized in that the edges of the two end opening parts of the air inlet cylinder 1 and the top opening part of the convex shell 2 are outwards extended to form outer edges, through holes 6 are formed in the outer edges, and one end of the air inlet cylinder 1 is connected with the top of the convex shell 2 through bolts 7.
The extension direction of the outer edge of the air inlet barrel 1 of the dust-proof and noise-reducing air inlet device for the cement fan is parallel to the radial direction of the air inlet barrel 1, and the extension direction of the outer edge of the opening at the top of the convex shell 2 is parallel to the radial direction of the upper part 3 of the convex shell.
The dustproof noise-reducing air inlet device for the cement fan is characterized in that the dustproof noise-reducing layer 5 is made of polyurethane activated carbon sponge.
The dustproof and noise-reducing air inlet device for the cement fan is characterized in that a valve handle 8 is arranged on an air inlet cylinder 1, a vertical circular sheet-shaped valve 9 is arranged in the air inlet cylinder 1, and the valve handle 8 is connected with the top of the valve 9.
The valve handle 8 is welded to the top of the valve 9.
The valve handle 8 and the valve 9 in the air inlet cylinder 1 are used for controlling the air inlet amount by rotating the valve handle 8 and adjusting the rotating angle of the valve 9.
One end of the air inlet cylinder 1 is in threaded connection with the convex shell 2, and the other end of the air inlet cylinder is in threaded connection with the fan.
According to the utility model, the polyurethane activated carbon sponge is additionally wrapped on the outer side wall of the lower part 4 of the hollowed convex shell, so that dust and flying cotton wool can be effectively prevented from entering the fan, and the polyurethane activated carbon sponge has a good sound insulation effect, simultaneously has a noise reduction function, and can play a role in sound insulation and absorption. In addition, the area of the side wall of the outer side of the lower part 4 of the convex shell is larger than the area of the mouth of the air inlet cylinder 1, namely the total filtering area is larger than the area of the original air inlet, and the air inlet is not influenced. Moreover, the utility model has simple and quick manufacture, is not easy to cause blockage, and is convenient to use and clean.
Claims (6)
1. The utility model provides an air inlet unit for cement fan's dustproof noise reduction, includes cylindricality air inlet section of thick bamboo (1), its characterized in that still include with convex casing (2) that air inlet section of thick bamboo (1) are connected, convex casing (2) include convex casing upper portion (3) and convex casing lower part (4), convex casing (2) open-top, the bottom is sealed, convex casing lower part (4) lateral wall fretwork, convex casing lower part (4) outside lateral wall parcel has dustproof noise reduction layer (5).
2. The dustproof and noise-reducing air inlet device for the cement fan according to claim 1, wherein the air inlet cylinder (1), the upper convex shell part (3) and the lower convex shell part (4) are all cylindrical, the diameter sizes of the air inlet cylinder (1) and the upper convex shell part (3) are the same, and the area of the outer side wall of the lower convex shell part (4) is larger than that of the air inlet cylinder (1).
3. The dustproof and noise-reducing air inlet device for the cement fan according to claim 1, wherein the edges of the opening parts at the two ends of the air inlet cylinder (1) and the opening part at the top of the convex shell (2) extend outwards to form outer edges, through holes (6) are formed in the outer edges, and one end of the air inlet cylinder (1) is connected with the top of the convex shell (2) through bolts (7).
4. A dust and noise reducing air inlet device for a cement fan according to claim 3, wherein the extension direction of the outer edge of the air inlet cylinder (1) is parallel to the radial direction of the air inlet cylinder (1), and the extension direction of the outer edge at the top opening of the convex housing (2) is parallel to the radial direction of the upper part (3) of the convex housing.
5. The dust and noise reducing air inlet device for a cement fan according to claim 1, characterized in that the dust and noise reducing layer (5) is polyurethane activated carbon sponge.
6. The dustproof and noise-reducing air inlet device for the cement fan according to claim 1, wherein a valve handle (8) is arranged on the air inlet barrel (1), a vertical circular sheet-shaped valve (9) is arranged in the air inlet barrel (1), and the valve handle (8) is connected with the top of the valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047155.8U CN220365783U (en) | 2023-08-01 | 2023-08-01 | A air inlet unit that is used for dustproof noise reduction of cement fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047155.8U CN220365783U (en) | 2023-08-01 | 2023-08-01 | A air inlet unit that is used for dustproof noise reduction of cement fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220365783U true CN220365783U (en) | 2024-01-19 |
Family
ID=89515354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047155.8U Active CN220365783U (en) | 2023-08-01 | 2023-08-01 | A air inlet unit that is used for dustproof noise reduction of cement fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365783U (en) |
-
2023
- 2023-08-01 CN CN202322047155.8U patent/CN220365783U/en active Active
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