CN208870853U - A kind of low flow resistance high silencing performance device of steel combustion fan - Google Patents
A kind of low flow resistance high silencing performance device of steel combustion fan Download PDFInfo
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- CN208870853U CN208870853U CN201821674869.4U CN201821674869U CN208870853U CN 208870853 U CN208870853 U CN 208870853U CN 201821674869 U CN201821674869 U CN 201821674869U CN 208870853 U CN208870853 U CN 208870853U
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- outer cylinder
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- perforated
- noise elimination
- guide shell
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Abstract
A kind of low flow resistance high silencing performance device of steel combustion fan, it is related to silencer manufacturing technology field.It includes suspension noise elimination guide shell, silencer outer cylinder, perforated support plate, entrance mesh enclosure, silencer outer cylinder is provided with outside the suspension noise elimination guide shell, suspension noise elimination guide shell is connect with silencer outer cylinder by several perforated support plates, and the middle-end between suspension noise elimination guide shell and silencer outer cylinder is arranged in perforated support plate, silencer outer cylinder front end face is provided with entrance mesh enclosure；The suspension noise elimination guide shell includes rigid backbone, suspension perforated plate, suspension filled layer, and suspension noise elimination guide shell is internally provided with rigid backbone.After by adopting the above technical scheme, the utility model has the beneficial effect that structurally reasonable, reduce blocking probability, regenerated noise is small, and flow resistance is small, reduces system resistance, reduce fan energy consumption, exploitation is matched with field working conditions and noise source frequecy characteristic, noise elimination effect ideal, the superior performance and generalization is strong in colleague field.
Description
Technical field
The utility model relates to silencer manufacturing technology fields, and in particular to a kind of steel combustion fan high property of low flow resistance
It can silencer.
Background technique
The usual pressure of steel plant's combustion fan is higher, and air quantity is smaller.Blower air blast into system, since pressure is higher, and
High basic of sound pressure level is higher frequency band in 500Hz or more in noise source frequency spectrum simultaneously, therefore the noise of steel combustion fan has
The features such as sound pressure level is high, ear-piercing generates adverse effect to the health of surrounding resident and staff, is main in steel plant make an uproar
Sound source.
It is directed to the silencer of industrial fan currently on the market, unreasonable structure, blocking is serious, and wind speed is big, regenerated noise
Greatly, flow resistance is big, increases system resistance, increases fan energy consumption, simultaneously because to the operating condition and noise source frequecy characteristic at scene
It does not know about, noise elimination effect is undesirable.Exploitation is mismatched with field working conditions and noise source frequecy characteristic.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, a kind of steel combustion fan is provided with low
Flow resistance high silencing performance device, it is structurally reasonable, blocking probability is reduced, regenerated noise is small, and flow resistance is small, reduces system resistance, drops
Low fan energy consumption, exploitation are matched with field working conditions and noise source frequecy characteristic, noise elimination effect ideal, the performance in colleague field
Superior and generalization is strong.
To achieve the above object, the utility model is using following technical scheme: it includes suspension noise elimination guide shell 1, disappears
Sound device outer cylinder 2, perforated support plate 3, entrance mesh enclosure 4 are provided with silencer outer cylinder 2 outside the suspension noise elimination guide shell 1, suspend
Noise elimination guide shell 1 is connect with silencer outer cylinder 2 by several perforated support plates 3, and the setting of perforated support plate 3 is eliminated the noise in suspension and led
Middle-end between flow cartridge 1 and silencer outer cylinder 2,2 front end face of silencer outer cylinder are provided with entrance mesh enclosure 4；
The suspension noise elimination guide shell 1 includes rigid backbone 11, suspension perforated plate 12, suspension filled layer 13, and suspension is eliminated the noise
Guide shell 1 is internally provided with rigid backbone 11, and suspension perforated plate 12 is provided with outside rigid backbone 11, is suspended outside perforated plate 12
It is provided with suspension filled layer 13；
The silencer outer cylinder 2 includes supportive skeleton 21, the first outer cylinder perforated plate 22, outside outer cylinder filled layer 23, second
Cylinder perforated plate 24, is provided with supportive skeleton 21 outside silencer outer cylinder 2, supportive skeleton 21 is internally provided with the first outer cylinder and wears
Orifice plate 22, the first outer cylinder perforated plate 22 are internally provided with outer cylinder filled layer 23, and outer cylinder filled layer 23 is internally provided with the second outer cylinder
Perforated plate 24.
The suspension noise elimination guide shell 1 divides three sections, and suspension 1 leading portion of noise elimination guide shell is conical flow guiding lid, suspends to eliminate the noise and lead
1 middle section of flow cartridge is flat segments, suspension 1 tail end of noise elimination guide shell is taper tail rectification section.
The silencer outer cylinder 2 is divided to two sections, and 2 leading portion of silencer outer cylinder is flat segments, 2 rear end of silencer outer cylinder is taper
Section.
The number of the perforated support plate 3 is 3-6.
The perforated support plate 3 includes long perforated support plate 31, short perforated support plate 32, and the long setting of perforated support plate 31 exists
Between first outer cylinder perforated plate 22 and rigid backbone 11, short perforated support plate 32 is provided with outside long perforated support plate 31, and short
The setting of perforated support plate 32 is between the second outer cylinder perforated plate 24 and suspension filled layer 13.
The suspension perforated plate 12 be perforated plate that outsourcing porosity is 25-28%, and suspension perforated plate 12 with a thickness of
1mm。
The suspension filled layer 13 is polyurethane film filled layer or glass fibre filled layer, and suspends the thickness of filled layer 13
Degree is 50-100mm.
The first outer cylinder perforated plate 22 is the perforated plate that outsourcing porosity is 25-28%, and the first outer cylinder perforated plate 22
With a thickness of 1mm.
The outer cylinder filled layer 23 is polyurethane film filled layer or glass fibre filled layer, and the thickness of outer cylinder filled layer 23
Degree is 50-100mm.
The short perforated support plate 32 is thin polyurethane membrane support plate or glass fibre support plate, and short perforated support plate 32
With a thickness of 30-50mm.
After adopting the above technical scheme, the utility model has the beneficial effect that structurally reasonable, blocking probability is reduced, is regenerated
Noise is small, and flow resistance is small, reduces system resistance, reduces fan energy consumption, exploitation and field working conditions and noise source frequecy characteristic
Match, noise elimination effect is ideal, the superior performance and generalization is strong in colleague field.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view of corresponding diagram 1；
Fig. 3 is the portion the A enlarged drawing of corresponding diagram 1；
Fig. 4 is the portion the B enlarged drawing of corresponding diagram 1.
Description of symbols: suspension noise elimination guide shell 1, silencer outer cylinder 2, perforated support plate 3, entrance mesh enclosure 4, rigid bone
Frame 11, suspension perforated plate 12, suspension filled layer 13, supportive skeleton 21, the first outer cylinder perforated plate 22, outer cylinder filled layer 23, the
Two outer cylinder perforated plates 24, long perforated support plate 31, short perforated support plate 32.
Specific embodiment
Referring to shown in Fig. 1-Fig. 4, present embodiment the technical solution adopted is that: it include suspension noise elimination guide shell 1,
Silencer outer cylinder 2, perforated support plate 3, entrance mesh enclosure 4 are provided with silencer outer cylinder 2 outside the suspension noise elimination guide shell 1, hang
It sets noise elimination guide shell 1 and is connect with silencer outer cylinder 2 by several perforated support plates 3, and the setting of perforated support plate 3 is eliminated the noise in suspension
Middle-end between guide shell 1 and silencer outer cylinder 2,2 front end face of silencer outer cylinder are provided with entrance mesh enclosure 4；
The suspension noise elimination guide shell 1 includes rigid backbone 11, suspension perforated plate 12, suspension filled layer 13, and suspension is eliminated the noise
Guide shell 1 is internally provided with rigid backbone 11, and suspension perforated plate 12 is provided with outside rigid backbone 11, is suspended outside perforated plate 12
It is provided with suspension filled layer 13；
The silencer outer cylinder 2 includes supportive skeleton 21, the first outer cylinder perforated plate 22, outside outer cylinder filled layer 23, second
Cylinder perforated plate 24, is provided with supportive skeleton 21 outside silencer outer cylinder 2, supportive skeleton 21 is internally provided with the first outer cylinder and wears
Orifice plate 22, the first outer cylinder perforated plate 22 are internally provided with outer cylinder filled layer 23, and outer cylinder filled layer 23 is internally provided with the second outer cylinder
Perforated plate 24.
The suspension noise elimination guide shell 1 divides three sections, and suspension 1 leading portion of noise elimination guide shell is conical flow guiding lid, suspends to eliminate the noise and lead
1 middle section of flow cartridge is flat segments, suspension 1 tail end of noise elimination guide shell is taper tail rectification section.
The silencer outer cylinder 2 is divided to two sections, and 2 leading portion of silencer outer cylinder is flat segments, 2 rear end of silencer outer cylinder is taper
Section.
The number of the perforated support plate 3 is 3-6.
The perforated support plate 3 includes long perforated support plate 31, short perforated support plate 32, and the long setting of perforated support plate 31 exists
Between first outer cylinder perforated plate 22 and rigid backbone 11, short perforated support plate 32 is provided with outside long perforated support plate 31, and short
The setting of perforated support plate 32 is between the second outer cylinder perforated plate 24 and suspension filled layer 13.
The suspension perforated plate 12 be perforated plate that outsourcing porosity is 25-28%, and suspension perforated plate 12 with a thickness of
1mm。
The suspension filled layer 13 is polyurethane film filled layer or glass fibre filled layer, and suspends the thickness of filled layer 13
Degree is 50-100mm.
The first outer cylinder perforated plate 22 is the perforated plate that outsourcing porosity is 25-28%, and the first outer cylinder perforated plate 22
With a thickness of 1mm.
The outer cylinder filled layer 23 is polyurethane film filled layer or glass fibre filled layer, and the thickness of outer cylinder filled layer 23
Degree is 50-100mm.
The short perforated support plate 32 is thin polyurethane membrane support plate or glass fibre support plate, and short perforated support plate 32
With a thickness of 30-50mm.
Working principle of the utility model is: being used for the Inlet muffler in fan inlet air duct, suspend outside noise elimination guide shell 1
It is provided with silencer outer cylinder 2, suspension noise elimination guide shell 1 is connect with silencer outer cylinder 2 by several perforated support plates 3, and is perforated
Support plate 3 be arranged in suspension noise elimination guide shell 1 and silencer outer cylinder 2 between middle-end, 2 front end face of silencer outer cylinder be provided with into
Mouth mesh enclosure 4；The effective perimeter in the cross section that air-flow passes through/suspension guide shell section girth be 2.5-3.5, valid circulation area/
Outer cylinder cross-sectional area is 0.65-0.75；Suspending noise elimination guide shell 1 includes rigid backbone 11, suspension perforated plate 12, suspension filling
Layer 13, suspension noise elimination guide shell 1 are internally provided with rigid backbone 11, and suspension perforated plate 12 is provided with outside rigid backbone 11, is hanged
It sets and is provided with suspension filled layer 13 outside perforated plate 12；Silencer outer cylinder 2 includes supportive skeleton 21, the first outer cylinder perforated plate
22, outer cylinder filled layer 23, the second outer cylinder perforated plate 24 are provided with supportive skeleton 21, supportive skeleton outside silencer outer cylinder 2
21 are internally provided with the first outer cylinder perforated plate 22, and the first outer cylinder perforated plate 22 is internally provided with outer cylinder filled layer 23, outer cylinder filling
Layer 23 is internally provided with the second outer cylinder perforated plate 24；It is structurally reasonable, blocking probability is reduced, regenerated noise is small, and flow resistance is small, reduces
System resistance reduces fan energy consumption, and exploitation is matched with field working conditions and noise source frequecy characteristic, noise elimination effect ideal.
After adopting the above technical scheme, the utility model has the beneficial effect that structurally reasonable, blocking probability is reduced, is regenerated
Noise is small, and flow resistance is small, reduces system resistance, reduces fan energy consumption, exploitation and field working conditions and noise source frequecy characteristic
Match, noise elimination effect is ideal, the superior performance and generalization is strong in colleague field.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of low flow resistance high silencing performance device of steel combustion fan, it is characterised in that: it includes suspension noise elimination guide shell
(1), silencer outer cylinder (2), perforated support plate (3), entrance mesh enclosure (4), external be provided with of the suspension noise elimination guide shell (1) disappear
Sound device outer cylinder (2), suspension noise elimination guide shell (1) is connect with silencer outer cylinder (2) by several perforated support plates (3), and is perforated
Middle-end of support plate (3) setting between suspension noise elimination guide shell (1) and silencer outer cylinder (2), silencer outer cylinder (2) front end face
It is provided with entrance mesh enclosure (4)；
The suspension noise elimination guide shell (1) includes rigid backbone (11), suspension perforated plate (12), suspension filled layer (13), suspension
Noise elimination guide shell (1) is internally provided with rigid backbone (11), and suspension perforated plate (12), suspension are provided with outside rigid backbone (11)
Suspension filled layer (13) is provided with outside perforated plate (12)；
The silencer outer cylinder (2) includes supportive skeleton (21), the first outer cylinder perforated plate (22), outer cylinder filled layer (23), the
Two outer cylinder perforated plates (24), silencer outer cylinder (2) is external to be provided with supportive skeleton (21), setting inside supportive skeleton (21)
There is the first outer cylinder perforated plate (22), the first outer cylinder perforated plate (22) is internally provided with outer cylinder filled layer (23), outer cylinder filled layer
(23) it is internally provided with the second outer cylinder perforated plate (24).
2. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
It suspends noise elimination guide shell (1) and divides three sections, suspension noise elimination guide shell (1) leading portion is conical flow guiding lid, suspends in noise elimination guide shell (1)
Section is flat segments, suspension noise elimination guide shell (1) tail end is taper tail rectification section.
3. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Silencer outer cylinder (2) is divided to two sections, and silencer outer cylinder (2) leading portion is flat segments, silencer outer cylinder (2) rear end is conical section.
4. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
The number of perforated support plate (3) is 3-6.
5. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Perforated support plate (3) includes long perforated support plate (31), short perforated support plate (32), and long perforated support plate (31) is arranged first
Between outer cylinder perforated plate (22) and rigid backbone (11), short perforated support plate (32) are provided with outside long perforated support plate (31),
And short perforated support plate (32) setting is between the second outer cylinder perforated plate (24) and suspension filled layer (13).
6. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Suspension perforated plate (12) be perforated plate that outsourcing porosity is 25-28%, and suspension perforated plate (12) with a thickness of 1mm.
7. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Suspend filled layer (13) be polyurethane film filled layer or glass fibre filled layer, and suspend filled layer (13) with a thickness of 50-
100mm。
8. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
First outer cylinder perforated plate (22) is the perforated plate that outsourcing porosity is 25-28%, and the first outer cylinder perforated plate (22) with a thickness of
1mm。
9. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Outer cylinder filled layer (23) be polyurethane film filled layer or glass fibre filled layer, and outer cylinder filled layer (23) with a thickness of 50-
100mm。
10. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 5, it is characterised in that: institute
Short perforated support plate (32) are stated as thin polyurethane membrane support plate or glass fibre support plate, and the thickness of short perforated support plate (32)
For 30-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674869.4U CN208870853U (en) | 2018-10-16 | 2018-10-16 | A kind of low flow resistance high silencing performance device of steel combustion fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674869.4U CN208870853U (en) | 2018-10-16 | 2018-10-16 | A kind of low flow resistance high silencing performance device of steel combustion fan |
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| Publication Number | Publication Date |
|---|---|
| CN208870853U true CN208870853U (en) | 2019-05-17 |
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ID=66470220
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821674869.4U Active CN208870853U (en) | 2018-10-16 | 2018-10-16 | A kind of low flow resistance high silencing performance device of steel combustion fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953239A (en) * | 2018-10-16 | 2018-12-07 | 河北众邦节能科技服务有限公司 | A kind of low flow resistance high silencing performance device of steel combustion fan |
| CN112377431A (en) * | 2020-11-30 | 2021-02-19 | 平安电气股份有限公司 | Ultra-low noise high-efficiency axial flow fan |
-
2018
- 2018-10-16 CN CN201821674869.4U patent/CN208870853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953239A (en) * | 2018-10-16 | 2018-12-07 | 河北众邦节能科技服务有限公司 | A kind of low flow resistance high silencing performance device of steel combustion fan |
| CN112377431A (en) * | 2020-11-30 | 2021-02-19 | 平安电气股份有限公司 | Ultra-low noise high-efficiency axial flow fan |
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