CN207864265U - A kind of fiberglass centrifugal blower of noise reduction - Google Patents
A kind of fiberglass centrifugal blower of noise reduction Download PDFInfo
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- CN207864265U CN207864265U CN201820120789.8U CN201820120789U CN207864265U CN 207864265 U CN207864265 U CN 207864265U CN 201820120789 U CN201820120789 U CN 201820120789U CN 207864265 U CN207864265 U CN 207864265U
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- spiral case
- centrifugal blower
- absorbing layer
- air
- sound absorbing
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Abstract
The utility model discloses a kind of fiberglass centrifugal blowers of noise reduction, including centrifugal blower main body, spiral case, air inlet, air-guiding aisle, air outlet, supporting rack, pedestal, fixed plate, silencer, cavity, sound absorbing layer, packing material and shrinkage pool, it is provided with spiral case in centrifugal blower main body, air inlet is provided on spiral case, the side of cavity is provided with air-guiding aisle, air outlet is provided at the top of air-guiding aisle, silencer is provided on air outlet, the bottom of spiral case is provided with supporting rack, the bottom of supporting rack is provided with pedestal, fixed plate is provided on pedestal, the inner wall of spiral case is provided with sound absorbing layer, several shrinkage pools are provided on sound absorbing layer, packing material is provided in sound absorbing layer.Sound absorbing layer is provided on the inner wall of the fiberglass centrifugal blower, sound absorbing layer is made of shrinkage pool and sound-absorbing material, can effectively reduce noise；Meanwhile in the impedance composite muffler of air outlet setting, noise can be substantially eliminated, this Double-noise-reduction designs, and noise reduction is notable.
Description
Technical field
The utility model is related to a kind of centrifugal blowers, more particularly relate to a kind of fiberglass centrifugal blower of noise reduction.
Background technology
Centrifugal blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven
Fluid machinery.Centrifugal blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling；The ventilation of boiler and industrial furnace and air inducing；Cooling in the apparatus of air conditioning and domestic electric appliance and ventilation；Paddy
It the drying of object and selects and recommends；Inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc., the impeller of centrifugal blower have more along the axial direction of main shaft
A blade, and at work can to suck air in an axial direction and radially exclude air come moving blade by driving motor
The physical and mental health of staff can be seriously affected by generating noise and vibration, noise.A kind of one kind that can solve the problems, such as this is now provided
The fiberglass centrifugal blower of noise reduction.
Utility model content
The technical problems to be solved in the utility model is that existing centrifugal blower will produce noise and vibration at work, is made an uproar
Sound can seriously affect the physically and mentally healthy problem of staff, provide a kind of fiberglass centrifugal blower of noise reduction.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model provides a kind of fiberglass centrifugal blower of noise reduction, including centrifugal blower main body, spiral case, air inlet
Mouth, air-guiding aisle, air outlet, supporting rack, pedestal, fixed plate, silencer, cavity, sound absorbing layer, packing material and shrinkage pool, it is described
It is provided with the spiral case in centrifugal blower main body, the air inlet is provided on the spiral case, is provided in the spiral case described
The side of cavity, the cavity is provided with the air-guiding aisle, and the air outlet is provided at the top of the air-guiding aisle, described
The silencer is provided on air outlet, the bottom of the spiral case is provided with support frame as described above, the bottom setting of support frame as described above
There is the pedestal, the fixed plate is provided on the pedestal, the inner wall of the spiral case is provided with the sound absorbing layer, the suction
It is provided with several shrinkage pools in sound-absorbing layer, the packing material is provided in the sound absorbing layer.
As a kind of optimal technical scheme of the utility model, the packing material uses acoustical cotton.
As a kind of optimal technical scheme of the utility model, the silencer is impedance composite muffler, and with institute
Air outlet is stated by flange to couple.
As a kind of optimal technical scheme of the utility model, the shrinkage pool is regularly distributed on the spiral case inner wall.
As a kind of optimal technical scheme of the utility model, the spiral case by support frame as described above and the fixed plate with
The pedestal is fixedly connected.
The advantageous effect that the utility model is reached is：The device is a kind of fiberglass centrifugal blower of noise reduction, in the glass
It is provided with sound absorbing layer on the inner wall of glass steel centrifugal blower, sound absorbing layer is made of shrinkage pool and sound-absorbing material, can effectively reduce noise；
Meanwhile in the impedance composite muffler of air outlet setting, noise can be substantially eliminated.This Double-noise-reduction designs, noise reduction
Significantly, the utility model is simple in structure, reasonable design, easy to spread.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is one of partial structural diagram of the utility model；
Fig. 3 is the two of the partial structural diagram of the utility model；
In figure：1, centrifugal blower main body；2, spiral case；3, air inlet；4, air-guiding aisle；5, air outlet；6, supporting rack；7, bottom
Seat；8, fixed plate；9, silencer；10, cavity；11, sound absorbing layer；12, packing material；13, shrinkage pool.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figs. 1-3, the utility model provides a kind of fiberglass centrifugal blower of noise reduction, including centrifugal blower main body 1,
Spiral case 2, air inlet 3, air-guiding aisle 4, air outlet 5, supporting rack 6, pedestal 7, fixed plate 8, silencer 9, cavity 10, sound absorbing layer
11, packing material 12 and shrinkage pool 13 are provided with spiral case 2 in centrifugal blower main body 1, are provided with air inlet 3 on spiral case 2, in spiral case 2
It is provided with cavity 10, the side of cavity 10 is provided with air-guiding aisle 4, and the top of air-guiding aisle 4 is provided with air outlet 5, air outlet 5
On be provided with silencer 9, the bottom of spiral case 2 is provided with supporting rack 6, and the bottom of supporting rack 6 is provided with pedestal 7, is arranged on pedestal 7
There are fixed plate 8, the inner wall of spiral case 2 to be provided with sound absorbing layer 11, several shrinkage pools 13 are provided on sound absorbing layer 11, are set in sound absorbing layer 11
It is equipped with packing material 12.
Packing material 12 uses acoustical cotton.
Silencer 9 is impedance composite muffler, and is coupled by flange with air outlet 5.
Shrinkage pool 13 is regularly distributed on 2 inner wall of spiral case.
Spiral case 2 is fixedly connected by supporting rack 6 and fixed plate 8 with pedestal 7.
When specific work, centrifugal blower at work, can efficiently be led noise by the shrinkage pool 13 on sound absorbing layer 11
In the packing material 12 for entering acoustical cotton material, it is conducive to the absorption sound wave of sound-absorbing material, while impedance composite muffler, allows gas
Stream passes through, and can effectively stop or weaken acoustic energy and propagate outward, by dual noise reduction process, can provide efficient noise reduction
Effect.
The advantageous effect that the utility model is reached is：The device is a kind of fiberglass centrifugal blower of noise reduction, in the glass
It is provided with sound absorbing layer on the inner wall of glass steel centrifugal blower, sound absorbing layer is made of shrinkage pool and sound-absorbing material, can effectively reduce noise；
Meanwhile in the impedance composite muffler of air outlet setting, noise can be substantially eliminated, and the design of this Double-noise-reduction, noise reduction
Significantly.The utility model is simple in structure, reasonable design, easy to spread.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of fiberglass centrifugal blower of noise reduction, including centrifugal blower main body（1）, spiral case（2）, air inlet（3）, air-guiding aisle
（4）, air outlet（5）, supporting rack（6）, pedestal（7）, fixed plate（8）, silencer（9）, cavity（10）, sound absorbing layer（11）, filling
Material（12）And shrinkage pool（13）, which is characterized in that the centrifugal blower main body（1）On be provided with the spiral case（2）, the spiral case
（2）On be provided with the air inlet（3）, the spiral case（2）Inside it is provided with the cavity（10）, the cavity（10）Side set
It is equipped with the air-guiding aisle（4）, the air-guiding aisle（4）Top be provided with the air outlet（5）, the air outlet（5）On
It is provided with the silencer（9）, the spiral case（2）Bottom be provided with support frame as described above（6）, support frame as described above（6）Bottom
It is provided with the pedestal（7）, the pedestal（7）On be provided with the fixed plate（8）, the spiral case（2）Inner wall be provided with
The sound absorbing layer（11）, the sound absorbing layer（11）On be provided with several shrinkage pools（13）, the sound absorbing layer（11）Inside it is provided with
The packing material（12）.
2. a kind of fiberglass centrifugal blower of noise reduction according to claim 1, which is characterized in that the packing material（12）
Using acoustical cotton.
3. a kind of fiberglass centrifugal blower of noise reduction according to claim 1, which is characterized in that the silencer（9）For
Impedance composite muffler, and with the air outlet（5）Coupled by flange.
4. a kind of fiberglass centrifugal blower of noise reduction according to claim 1, which is characterized in that the shrinkage pool（13）Rule
It is distributed in the spiral case（2）Inner wall.
5. a kind of fiberglass centrifugal blower of noise reduction according to claim 1, which is characterized in that the spiral case（2）Pass through
Support frame as described above（6）With the fixed plate（8）With the pedestal（7）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120789.8U CN207864265U (en) | 2018-01-24 | 2018-01-24 | A kind of fiberglass centrifugal blower of noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120789.8U CN207864265U (en) | 2018-01-24 | 2018-01-24 | A kind of fiberglass centrifugal blower of noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864265U true CN207864265U (en) | 2018-09-14 |
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ID=63463153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820120789.8U Active CN207864265U (en) | 2018-01-24 | 2018-01-24 | A kind of fiberglass centrifugal blower of noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864265U (en) |
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2018
- 2018-01-24 CN CN201820120789.8U patent/CN207864265U/en active Active
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