CN203743083U - Fan silencer used for dust remover - Google Patents
Fan silencer used for dust remover Download PDFInfo
- Publication number
- CN203743083U CN203743083U CN201420072110.4U CN201420072110U CN203743083U CN 203743083 U CN203743083 U CN 203743083U CN 201420072110 U CN201420072110 U CN 201420072110U CN 203743083 U CN203743083 U CN 203743083U
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- CN
- China
- Prior art keywords
- fan
- baffler
- intake grill
- acoustical panel
- noise
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- 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.)
- Withdrawn - After Issue
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- Exhaust Silencers (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a fan silencer used for a dust remover, and belongs to the field of anti-noise equipment. The fan silencer used for the dust remover comprises an outer shell, an inner shell and noise reduction cotton arranged between the outer shell and the inner shell and further comprises noise reduction plates, porous noise absorbing pipes and a filter screen, the two ends of the inner shell are provided with an air outlet and an air inlet respectively, the two or more noise reduction plates are sequentially arranged in the inner shell and are perpendicular to the air inlet direction, the porous noise absorbing pipes penetrate through the noise reduction plates perpendicularly, the porous noise absorbing pipes are evenly arranged and the filter screen is arranged in the air inlet. According to the fan silencer used for the dust remover, the multiple layers of noise reduction plates are used for eliminating air dynamic noise gradually and can effectively preventing dust form adhering to the noise reduction cotton, so that the service life of the silencer is prolonged; meanwhile, the fan silencer is simple in structure, good in noise reduction effect and low in manufacturing cost.
Description
Technical field
The utility model relates to a kind of baffler, more particularly, relates to a kind of muffler for fan for deduster.
Background technique
Baffler (Muffler) is to stop sound transmission and a kind of device of allowing air-flow to pass through, is the important measures of eliminating air power noise.Baffler is mounted in the low noise device that falls on the air-flow path of aerodynamic force equipment (as larger equipment of relief opening noise such as blower, air compressor, boiler exhaust mouth, generator, water pumps) or in inlet and exhaust system.Its principle is: baffler is provided with porous sound absorbing material, and in the time that sound wave enters baffler, a part of acoustic energy rubs and is converted into thermal energy consumption in the hole of porous material, finally plays the effect that weakens sound wave.Fan operation speed in dusting apparatus system is high, the noise producing is larger, easily cause noise pollution, need between blower fan and air draft chimney, baffler be installed, the erasure effect of existing muffler for fan is poor, and, easily with tiny dust, these dusts are easily adsorbed by the silencing cotton in baffler in the air of dusting apparatus system, cause erasure effect to decline; Further, existing muffler for fan is directly connected with blower fan, and blower fan can vibrate in the time of operation, can cause in the course of time the fatigue of joint material, even can damage baffler, and these all can cause reduce the working life of baffler.In addition, baffler, in the time stoping the propagation of sound, also will allow passing through of air-flow, the existing very large baffler of sound-damping qualities on the market, but the pressure loss of this class baffler is large, and price is very high, is difficult to meet people's user demand.
Summary of the invention
1. the technical problem that model utility will solve
The purpose of this utility model is to overcome that the erasure effect of existing fan of dust remover baffler is poor, working life is short and easily reduce the deficiency of erasure effect because of absorption dust, a kind of muffler for fan for deduster is provided, adopt the technical solution of the utility model, not only utilize multilayer acoustical panel successive elimination air power noise, and can effectively prevent silencing cotton absorption dust, the working life of having improved baffler, simultaneously simple in structure, good muffling effect, cheap for manufacturing cost.
2. technological scheme
For achieving the above object, the technological scheme that the utility model provides is:
A kind of muffler for fan for deduster of the present utility model, comprise shell, inner casing, be located at the silencing cotton between shell and inner casing, also comprise acoustical panel, porous sound absorbing pipe and filter screen, the two ends of described inner casing are respectively exhaust outlet and intake grill, in described inner casing, set gradually two or more than two acoustical panel, and acoustical panel is perpendicular to air intake direction, described porous sound absorbing pipe is vertically through acoustical panel, this porous sound absorbing pipe is provided with many, and be evenly arranged, described filter screen is arranged in intake grill.
Further, also comprise fan connecting tube, described fan connecting tube is taper, and one end that opening is large is provided with baffler adpting flange, one end that opening is little is provided with blower fan adpting flange, and the end of described intake grill is provided with intake grill flange, and described intake grill flange is connected with above-mentioned baffler adpting flange, and between intake grill flange and baffler adpting flange, be provided with seal ring, described blower fan adpting flange and the exhaust outlet of blower fan are tightly connected.
Further, described acoustical panel is by two blocks of web plates be filled in two silencing cottons between web plate and form.
Further, described exhaust outlet is connected with air draft chimney by anchor ear.
3. beneficial effect
The technological scheme that adopts the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) a kind of muffler for fan for deduster of the present utility model, the two ends of its inner casing are respectively exhaust outlet and intake grill, in inner casing, set gradually two or more than two acoustical panel, and acoustical panel is perpendicular to air intake direction, porous sound absorbing pipe is vertically through acoustical panel, this porous sound absorbing pipe is provided with many, and be evenly arranged, filter screen is arranged in intake grill, utilize multilayer acoustical panel successive elimination air power noise, the air-flow that while is realized baffler in conjunction with porous sound absorbing pipe passes through, simple in structure, good muffling effect, cheap for manufacturing cost, and can effectively prevent silencing cotton absorption dust, improve the working life of baffler,
(2) a kind of muffler for fan for deduster of the present utility model, its fan connecting tube is taper, and one end that opening is large is provided with baffler adpting flange, one end that opening is little is provided with blower fan adpting flange, the end of intake grill is provided with intake grill flange, intake grill flange is connected with above-mentioned baffler adpting flange, and be provided with seal ring between intake grill flange and baffler adpting flange, the exhaust outlet of blower fan adpting flange and blower fan is tightly connected, utilize fan connecting tube that baffler is connected with blower fan, reduce the spoilage of baffler, and installing/dismounting is convenient, good airproof performance,
(3) a kind of muffler for fan for deduster of the present utility model, its acoustical panel is by two blocks of web plates and be filled in two silencing cottons between web plate and form, and reduced the weight of acoustical panel, and sound-absorbing effect is good;
(4) a kind of muffler for fan for deduster of the present utility model, its exhaust outlet is connected with air draft chimney by anchor ear, easy to connect reliable.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of a kind of muffler for fan for deduster of the present utility model;
Fig. 2 is the A-A direction sectional view of Fig. 1.
Label declaration in schematic diagram:
1, shell; 2, silencing cotton; 3, inner casing; 4, acoustical panel; 5, porous sound absorbing pipe; 6, exhaust outlet; 7, intake grill; 8, filter screen; 9, intake grill flange; 10, baffler adpting flange; 11, seal ring; 12, fan connecting tube; 13, blower fan adpting flange.
Embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
In conjunction with Fig. 1 and Fig. 2, a kind of muffler for fan for deduster of the present embodiment, comprise shell 1, inner casing 3, be located at the silencing cotton 2 between shell 1 and inner casing 3, acoustical panel 4, porous sound absorbing pipe 5, filter screen 8 and fan connecting tube 12, shell 1 and inner casing 3 form cavity, in cavity, fill silencing cotton 2, inner casing 3 sidewalls that contact with silencing cotton 2 are provided with sound-absorption hole, the two ends of inner casing 3 are respectively exhaust outlet 6 and intake grill 7, in inner casing 3, set gradually two or more than two acoustical panel 4, and acoustical panel 4 is perpendicular to air intake direction, specifically in the present embodiment, according to the size of power of fan and ambient noise grade, acoustical panel 4 arranges 5, acoustical panel 4 is by two blocks of web plates and be filled in two silencing cottons between web plate and form, reduce the weight of acoustical panel 4, and sound-absorbing effect is good, porous sound absorbing pipe 5 is vertical, and through above-mentioned acoustical panel 4, this porous sound absorbing pipe 5 is provided with many equally, and is evenly arranged, and in the present embodiment, porous sound absorbing pipe 5 is provided with 9, and the quantity of porous sound absorbing pipe 5 and internal diameter need to arrange according to noise reduction, filter screen 8 is arranged in intake grill 7, and its disassembling, assembling and replacing is convenient.The utility model utilizes multilayer acoustical panel 4 successive elimination air power noises, and the air-flow that the while is realized baffler in conjunction with porous sound absorbing pipe 5 passes through, simple in structure, good muffling effect, cheap for manufacturing cost, and can effectively prevent silencing cotton absorption dust, the working life of having improved baffler.
Fan connecting tube 12 in the present embodiment is taper, and one end that opening is large is provided with baffler adpting flange 10, one end that opening is little is provided with blower fan adpting flange 13, air in blower fan enters by the little blower fan air outlet of bore the baffler that bore is large, can reduce air velocity, be conducive to improve erasure effect; The end of intake grill 7 is provided with intake grill flange 9, and intake grill flange 9 is connected with above-mentioned baffler adpting flange 10, and is provided with seal ring 11 between intake grill flange 9 and baffler adpting flange 10, and the exhaust outlet of blower fan adpting flange 13 and blower fan is tightly connected.Exhaust outlet 6 is connected with air draft chimney by anchor ear, easy to connect reliable.Utilize fan connecting tube 12 that baffler is connected with blower fan, reduced the spoilage of baffler, and installing/dismounting is convenient, good airproof performance.
A kind of muffler for fan for deduster of the present embodiment, is installed between fan of dust remover and air draft chimney.When use, first the air in blower fan enters in fan connecting tube 12, because the cone structure of fan connecting tube 12 can reduce air velocity to a certain extent, can improve erasure effect; In the time that air-flow enters baffler, air, through the filtration of filter screen 8, has been removed airborne dust granule, has effectively prevented silencing cotton adsorption particle and reduces erasure effect; Air-flow enters after baffler, and a part enters porous sound absorbing pipe 5, and a part enters acoustical panel 4, successive elimination air power noise in the multi-layer structure of baffler; Last air-flow enters air draft chimney and discharges from the exhaust outlet 6 of baffler.A kind of muffler for fan for deduster of the present utility model, not only utilizes multilayer acoustical panel 4 successive elimination air power noises, and can effectively prevent silencing cotton absorption dust, improve the working life of baffler, simultaneously simple in structure, good muffling effect, cheap for manufacturing cost.
Below schematically the utility model and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of mode of execution of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (4)
1. the muffler for fan for deduster, comprise shell (1), inner casing (3), be located at the silencing cotton (2) between shell (1) and inner casing (3), it is characterized in that: also comprise acoustical panel (4), porous sound absorbing pipe (5) and filter screen (8), the two ends of described inner casing (3) are respectively exhaust outlet (6) and intake grill (7), in described inner casing (3), set gradually two or more than two acoustical panel (4), and acoustical panel (4) is perpendicular to air intake direction, described porous sound absorbing pipe (5) is vertically through acoustical panel (4), this porous sound absorbing pipe (5) is provided with many, and be evenly arranged, described filter screen (8) is arranged in intake grill (7).
2. a kind of muffler for fan for deduster according to claim 1, it is characterized in that: also comprise fan connecting tube (12), described fan connecting tube (12) is taper, and one end that opening is large is provided with baffler adpting flange (10), one end that opening is little is provided with blower fan adpting flange (13), the end of described intake grill (7) is provided with intake grill flange (9), described intake grill flange (9) is connected with above-mentioned baffler adpting flange (10), and be provided with seal ring (11) between intake grill flange (9) and baffler adpting flange (10), described blower fan adpting flange (13) and the exhaust outlet of blower fan are tightly connected.
3. a kind of muffler for fan for deduster according to claim 2, is characterized in that: described acoustical panel (4) is by two blocks of web plates and be filled in two silencing cottons between web plate and form.
4. a kind of muffler for fan for deduster according to claim 3, is characterized in that: described exhaust outlet (6) is connected with air draft chimney by anchor ear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072110.4U CN203743083U (en) | 2014-02-19 | 2014-02-19 | Fan silencer used for dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072110.4U CN203743083U (en) | 2014-02-19 | 2014-02-19 | Fan silencer used for dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743083U true CN203743083U (en) | 2014-07-30 |
Family
ID=51342890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072110.4U Withdrawn - After Issue CN203743083U (en) | 2014-02-19 | 2014-02-19 | Fan silencer used for dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743083U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850987A (en) * | 2014-02-19 | 2014-06-11 | 江苏常净环保科技有限公司 | Fan muffler for dust remover |
| CN104984620A (en) * | 2015-06-30 | 2015-10-21 | 成都市新都区鑫悦空气净化设备厂 | Paint mist treatment equipment |
| CN104984621A (en) * | 2015-06-30 | 2015-10-21 | 成都市新都区鑫悦空气净化设备厂 | Paint mist treatment equipment |
| CN105032091A (en) * | 2015-06-30 | 2015-11-11 | 成都市新都区鑫悦空气净化设备厂 | Spray-paint treatment equipment |
| CN106089812A (en) * | 2016-08-12 | 2016-11-09 | 山西巨龙风机有限公司 | A kind of boiler blower side suction silencer |
| CN108266409A (en) * | 2018-01-17 | 2018-07-10 | 东北大学 | A kind of attachment device for reducing fan noise |
| CN109764005A (en) * | 2019-02-02 | 2019-05-17 | 洛阳毅兴石化电器仪表设备有限公司 | Silencing air filter |
| CN111380091A (en) * | 2018-12-28 | 2020-07-07 | 宁波方太厨具有限公司 | Filtering and noise-reducing device and range hood applying same |
| CN113847504A (en) * | 2021-09-30 | 2021-12-28 | 英辉南方造船（广州番禺）有限公司 | Be applied to silencing device in air pipe |
-
2014
- 2014-02-19 CN CN201420072110.4U patent/CN203743083U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850987A (en) * | 2014-02-19 | 2014-06-11 | 江苏常净环保科技有限公司 | Fan muffler for dust remover |
| CN103850987B (en) * | 2014-02-19 | 2016-03-02 | 江苏常净环保科技有限公司 | A kind of muffler for fan for deduster |
| CN104984620A (en) * | 2015-06-30 | 2015-10-21 | 成都市新都区鑫悦空气净化设备厂 | Paint mist treatment equipment |
| CN104984621A (en) * | 2015-06-30 | 2015-10-21 | 成都市新都区鑫悦空气净化设备厂 | Paint mist treatment equipment |
| CN105032091A (en) * | 2015-06-30 | 2015-11-11 | 成都市新都区鑫悦空气净化设备厂 | Spray-paint treatment equipment |
| CN106089812A (en) * | 2016-08-12 | 2016-11-09 | 山西巨龙风机有限公司 | A kind of boiler blower side suction silencer |
| CN108266409A (en) * | 2018-01-17 | 2018-07-10 | 东北大学 | A kind of attachment device for reducing fan noise |
| CN111380091A (en) * | 2018-12-28 | 2020-07-07 | 宁波方太厨具有限公司 | Filtering and noise-reducing device and range hood applying same |
| CN111380091B (en) * | 2018-12-28 | 2022-05-17 | 宁波方太厨具有限公司 | Filtering and noise-reducing device and range hood applying same |
| CN109764005A (en) * | 2019-02-02 | 2019-05-17 | 洛阳毅兴石化电器仪表设备有限公司 | Silencing air filter |
| CN109764005B (en) * | 2019-02-02 | 2024-03-12 | 洛阳毅兴石化电器仪表设备有限公司 | Silencing air filter |
| CN113847504A (en) * | 2021-09-30 | 2021-12-28 | 英辉南方造船（广州番禺）有限公司 | Be applied to silencing device in air pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |