CN220081787U - Noise reduction device for boiler bellows - Google Patents
Noise reduction device for boiler bellows Download PDFInfo
- Publication number
- CN220081787U CN220081787U CN202321047676.7U CN202321047676U CN220081787U CN 220081787 U CN220081787 U CN 220081787U CN 202321047676 U CN202321047676 U CN 202321047676U CN 220081787 U CN220081787 U CN 220081787U
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- noise reduction
- silencer
- air inlet
- fan
- air
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- 230000009467 reduction Effects 0.000 title claims abstract description 53
- 230000003584 silencer Effects 0.000 claims abstract description 66
- 230000035939 shock Effects 0.000 claims abstract description 20
- 230000030279 gene silencing Effects 0.000 claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a noise reduction device for a boiler bellows, which comprises a fan and a motor, wherein the fan and the motor are connected through a belt, the outer walls of the fan and the motor are fixedly provided with a noise reduction box, the bottom of the inner side of the noise reduction box is fixedly provided with a plurality of bases, the upper end faces of the bases are fixedly connected with shock absorbers, the other ends of the shock absorbers are fixedly provided with fixing rods, the outer walls of the fan are fixedly provided with a plurality of fixing blocks, and the fixing blocks and the fixing rods are fixedly connected with the motor through screws and are fixedly arranged on the inner side wall of the noise reduction box through two shock absorption blocks; the air inlet and the air outlet of the fan are respectively provided with an air inlet silencer and an air outlet silencer, when the air inlet silencer sucks air inwards by the fan, the air noise during air inlet is reduced through the silencer structure, and the air noise during air outlet is reduced through the silencing cotton filled in the inner interlayer by the air outlet silencer.
Description
Technical Field
The utility model relates to the technical field of noise reduction devices of boiler bellows, in particular to a noise reduction device for a boiler bellows.
Background
The boiler has been used as the essential tool for city heating and industrial smelting, and the bellows is installed in the boiler, and the bellows plays a vital role in the daily work of boiler, but there is a large amount of noise pollution in the operation of bellows, so a noise reducer for boiler bellows is required to reduce the noise pollution of bellows when the operation.
In the aspect of noise reduction of the boiler bellows, soundproof cotton is stuck on the outer walls of an air inlet pipeline and an air outlet pipeline of the bellows manually to isolate generated noise, or the rotating speed of a fan is adjusted to be reduced to reduce the wind noise generated by the fan in operation.
The mode that above-mentioned reaches the purpose of making an uproar of falling through pasting soundproof cotton at the pipeline outer wall and reducing the rotational speed of fan is single, can not reach good noise reduction effect and reduce the wind-force that fan rotational speed fan produced and will not enough, can't solve the resonance noise that produces when fan and motor are operated simultaneously.
Disclosure of Invention
The utility model aims at the problems and provides a noise reduction device for a boiler bellows, which has the characteristics of reducing the noise generated by the bellows through reducing resonance generated during operation and adding a silencer.
The utility model is realized in such a way that the noise reduction device for the boiler bellows comprises a fan and a motor and is characterized in that: the fan is connected with the motor through a belt, the outer walls of the fan and the motor are fixedly provided with a noise reduction box, the bottom of the inner side of the noise reduction box is fixedly provided with a plurality of bases, the upper end faces of the bases are fixedly connected with shock absorbers, the other ends of the shock absorbers are fixedly provided with fixing rods, the outer walls of the fan are fixedly provided with a plurality of fixing blocks, the fixing blocks and the fixing rods are fixedly connected through screws, and the motor is fixedly arranged on the inner side wall of the noise reduction box through two shock absorption blocks;
the air inlet and the air outlet of the fan penetrate through the noise reduction box and are provided with an air inlet silencer and an air outlet silencer;
the outer wall of the noise reduction box is provided with a plurality of wire holes.
In order to reduce noise in the noise reduction box, the noise reduction device for the boiler bellows is preferable in the utility model, sound insulation plates are fixedly arranged on the periphery of the inner side wall of the noise reduction box, and a sound insulation felt is adhered to the outer wall of the part of the air inlet, which is positioned in the noise reduction box.
In order to reduce noise generated when the bellows is used for air intake, the air intake silencer is preferably in a concentric cylinder shape, a plurality of silencing plates are fixedly arranged between concentric circles of the air intake silencer, and through square air inlets are formed in the inner side wall of the air intake silencer and the outer walls of the silencing plates.
In order to reduce noise generated when the air box is exhausted, the noise reduction device for the boiler air box is preferable, the exhaust silencer is of a hollow rectangular cylinder structure, the interlayer of the exhaust silencer is filled with silencing cotton, and the inner side wall of the exhaust silencer is provided with a through circular hole.
In order to facilitate the installation of the air inlet silencer, the noise reduction device for the boiler bellows is preferable in the utility model, a groove matched with an air inlet is formed in one section of interlayer of the air inlet silencer, and an assembly block is fixedly installed on the outer wall of the air inlet silencer.
In order to facilitate the installation of the air outlet silencer, the noise reduction device for the boiler bellows is preferable in the utility model, and a connecting block is fixedly arranged on the outer wall of the air outlet silencer.
Compared with the prior art, the utility model has the beneficial effects that:
the outer wall fixed mounting of fan and motor has the case of making an uproar that falls, and the noise that produces when the noise barrier of the inside wall installation of case of making an uproar can the separation fan operation is fallen, and fan and motor are respectively inside the case of making an uproar falls through a plurality of bumper shock absorbers and snubber block fixed mounting, reduce the resonance noise that fan and motor during operation produced through bumper shock absorber and snubber block.
The air inlet and the air outlet of the fan are respectively provided with an air inlet silencer and an air outlet silencer, when the air inlet silencer sucks air inwards by the fan, the air noise during air inlet is reduced through the silencer structure, and the air noise during air outlet is reduced through the silencing cotton filled in the inner interlayer by the air outlet silencer.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
FIG. 3 is a top cross-sectional view of the present utility model;
FIG. 4 is a cross-sectional structural view of an intake silencer of the present utility model;
FIG. 5 is a cross-sectional block diagram of an outlet muffler according to the present utility model;
in the figure, 1, a fan; 2. a motor; 3. a noise reduction box; 4. a base; 5. a damper; 6. a fixed rod; 7. a fixed block; 8. a screw; 9. a damper block; 10. an air inlet; 11. an air outlet; 12. an intake silencer; 13. an outlet muffler; 14. a sound-insulating felt; 15. a sound insulation board; 16. a muffler plate; 17. a square air inlet hole; 18. silencing cotton; 19. a circular hole; 20. a groove; 21. assembling blocks; 22. a wire hole; 23. a connecting block; 24. a belt.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-5, a noise reduction device for a boiler bellows comprises a fan 1 and a motor 2, wherein the fan 1 and the motor 2 are connected through a belt 24, a noise reduction box 3 is fixedly arranged on the outer walls of the fan 1 and the motor 2, a plurality of bases 4 are fixedly arranged at the bottom of the inner side of the noise reduction box 3, shock absorbers are fixedly connected to the upper end faces of the plurality of bases 4, a fixing rod 6 is fixedly arranged at the other ends of the plurality of shock absorbers 5, a plurality of fixing blocks 7 are fixedly arranged on the outer wall of the fan 1, the fixing blocks 7 and the fixing rods 6 are fixedly connected through screws 8, and the motor 2 is fixedly arranged on the inner side wall of the noise reduction box 3 through two shock absorption blocks 9;
the air inlet 10 and the air outlet 11 of the fan 1 penetrate through the noise reduction box 3 and are provided with an air inlet silencer 12 and an air outlet silencer 13;
the outer wall of the noise reduction box 3 is provided with a plurality of screw holes 22.
In this embodiment: starting the motor 2, driving the fan 1 to operate through the belt 24, fixedly connecting the fixed block 7 with the fixed rod 6 through screws on the outer wall of the fan 1, generating resonance in the operation process of the fan 1 and the motor 2, and reducing the resonance of the shock absorber 5 (VT 4425-VT4430 all-metal spring shock absorber) and the shock absorber block 9 (LNS-108 rubber shock absorber) to reduce the noise emitted by the fan 1 and the motor 2;
the air noise generated by the fan 1 during air inlet and air outlet is reduced by additionally arranging the air inlet silencer 12 and the air outlet silencer 13 on the air inlet 10 and the air outlet 11 of the fan 1 respectively, so that noise pollution is reduced;
screws are screwed into the screw holes 22 to fix the inlet muffler 12 and the outlet muffler 13.
As a technical optimization scheme of the utility model, the periphery of the inner side wall of the noise reduction box 3 is fixedly provided with the sound insulation plates 15, and the part of the outer wall of the air inlet 10 positioned in the noise reduction box 3 is adhered with the sound insulation felt 14.
In this embodiment: the noise insulation board 15 installed on the inner side wall of the noise reduction box 3 can absorb the noise generated by the motor 2 and the fan 1, and the noise insulation felt 14 is used for blocking the wind noise generated by the air inlet 10 positioned in the noise reduction box 3.
As a technical optimization scheme of the utility model, the air inlet silencer 12 is a concentric cylinder, a plurality of silencing plates 16 are fixedly arranged between concentric circles of the air inlet silencer 12, and through square air inlets 17 are formed in the inner side wall of the air inlet silencer 12 and the outer walls of the silencing plates 16.
In this embodiment: when air enters the air intake silencer 12, the air enters through square air inlets 17 formed in the outer wall of the silencer 16 and the inner wall of the air intake silencer 12, and then is discharged from the square air inlets 17 to enter the air inlet 10, so that the air can be divided into a plurality of groups to pass through the air intake silencer 12, and wind noise can be reduced to achieve the noise reduction effect.
As a technical optimization scheme of the utility model, the air outlet silencer 13 is of a hollow rectangular column structure, the interlayer of the air outlet silencer 13 is filled with silencing cotton 18, and the inner side wall of the air outlet silencer 13 is provided with a through circular hole 19.
In this embodiment: when the air discharged from the air outlet 11 enters the air outlet silencer 13, the air enters the silencing cotton 18 filled in the interlayer through the round holes 19, is discharged from the round holes 19, reduces wind noise by reducing the air flow speed, and meanwhile, the silencing cotton 18 can isolate wind noise generated by the air directly flowing out of the air outlet silencer 13, so that the noise reduction effect is achieved.
As a technical optimization scheme of the utility model, a section of interlayer of the air inlet silencer 12 is provided with a groove 20 matched with the air inlet 10, and the outer wall of the air inlet silencer 12 is fixedly provided with an assembly block 21.
In this embodiment: one end of the intake port 10 is inserted into the inside of the groove 20, and then the assembly block 21 is fixed by screws, thereby fixing the intake muffler 12.
As a technical optimization scheme of the utility model, the outer wall of the air outlet silencer 13 is fixedly provided with a connecting block 23.
In this embodiment: the air outlet silencer 13 is sleeved on the air outlet 11, and then the connecting block 23 is fixed through screws, so that the air outlet silencer 13 is fixed.
The working principle and the using flow of the utility model are as follows:
starting the motor 2, driving the fan 1 to operate through the belt 24, inserting one end of the air inlet 10 into the groove 20, fixing the air inlet silencer 12 through screws by the assembly block 21, sleeving the air outlet silencer 13 on the air outlet 11, and fixing the air outlet silencer 13 through screws by the connection block 23;
the outer walls of the fan 1 and the motor 2 are fixedly provided with the noise reduction box 3, the fan 1 and the motor 2 can generate resonance when in operation, and the resonance generated when the fan 1 and the motor 2 work is reduced through the shock absorber 5 and the shock absorption block 9, so that the noise generated by the resonance is reduced;
the noise insulation plate 15 installed on the inner side wall of the noise reduction box 3 can block noise generated when the fan 1 operates.
When air enters the muffler 12, the air enters through the square air inlet holes 17 formed in the outer wall of the muffler plate 16 and the inner wall of the intake muffler 12, and then is discharged from the square air inlet holes 17 into the air inlet 10,
when the air discharged from the air outlet 11 enters the air outlet silencer 13, the air enters the silencing cotton 18 filled in the interlayer of the air outlet silencer 13 through the circular holes 19, and is discharged from the circular holes 19, meanwhile, the silencing cotton 18 can isolate wind noise generated by the air directly flowing out of the air outlet silencer 13, and the air inlet silencer 12 and the air outlet silencer 13 achieve the purpose of noise reduction by reducing and isolating the wind noise generated during air inlet and air outlet.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a device of making an uproar falls in boiler bellows, includes fan (1) and motor (2), its characterized in that: the fan (1) is connected with the motor (2) through a belt (24), a noise reduction box (3) is fixedly arranged on the outer wall of the fan (1) and the outer wall of the motor (2), a plurality of bases (4) are fixedly arranged at the bottom of the inner side of the noise reduction box (3), shock absorbers (5) are fixedly connected to the upper end faces of the bases (4), fixing rods (6) are fixedly arranged at the other ends of the shock absorbers (5), a plurality of fixing blocks (7) are fixedly arranged on the outer wall of the fan (1), the fixing blocks (7) are fixedly connected with the fixing rods (6) through screws (8), and the motor (2) is fixedly arranged on the inner side wall of the noise reduction box (3) through two shock absorbing blocks (9);
an air inlet (10) and an air outlet (11) of the fan (1) penetrate through the noise reduction box (3) and are provided with an air inlet silencer (12) and an air outlet silencer (13);
the outer wall of the noise reduction box (3) is provided with a plurality of wire holes (22).
2. The noise reduction device for a boiler windbox according to claim 1, wherein: the noise reduction box is characterized in that sound insulation plates (15) are fixedly installed around the inner side wall of the noise reduction box (3), and a sound insulation felt (14) is adhered to the outer wall of the part of the air inlet (10) located in the noise reduction box (3).
3. The noise reduction device for a boiler windbox according to claim 1, wherein: the air inlet silencer (12) is a concentric cylinder, a plurality of silencing plates (16) are fixedly arranged between concentric circles of the air inlet silencer (12), and through square air inlets (17) are formed in the inner side wall of the air inlet silencer (12) and the outer walls of the silencing plates (16).
4. The noise reduction device for a boiler windbox according to claim 1, wherein: the air outlet silencer (13) is of a hollow rectangular column structure, an interlayer of the air outlet silencer (13) is filled with silencing cotton (18), and a through circular hole (19) is formed in the inner side wall of the air outlet silencer (13).
5. The noise reduction device for a boiler windbox according to claim 1, wherein: a groove (20) matched with the air inlet (10) is formed in one section of interlayer of the air inlet silencer (12), and an assembly block (21) is fixedly arranged on the outer wall of the air inlet silencer (12).
6. The noise reduction device for a boiler windbox according to claim 1, wherein: the outer wall of the air outlet silencer (13) is fixedly provided with a connecting block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047676.7U CN220081787U (en) | 2023-10-26 | 2023-10-26 | Noise reduction device for boiler bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047676.7U CN220081787U (en) | 2023-10-26 | 2023-10-26 | Noise reduction device for boiler bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081787U true CN220081787U (en) | 2023-11-24 |
Family
ID=88814725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047676.7U Active CN220081787U (en) | 2023-10-26 | 2023-10-26 | Noise reduction device for boiler bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081787U (en) |
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2023
- 2023-10-26 CN CN202321047676.7U patent/CN220081787U/en active Active
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