CN103850987A - Fan muffler for dust remover - Google Patents
Fan muffler for dust remover Download PDFInfo
- Publication number
- CN103850987A CN103850987A CN201410055767.4A CN201410055767A CN103850987A CN 103850987 A CN103850987 A CN 103850987A CN 201410055767 A CN201410055767 A CN 201410055767A CN 103850987 A CN103850987 A CN 103850987A
- Authority
- CN
- China
- Prior art keywords
- fan
- muffler
- baffler
- intake grill
- acoustical panel
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 title abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 18
- 241000219146 Gossypium Species 0.000 claims description 16
- 230000030279 gene silencing Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a fan muffler for a dust remover, which belongs to the field of anti-noise equipment. The fan muffler for the dust remover comprises an outer shell, an inner shell, noise reduction cotton arranged between the outer shell and the inner shell, noise reduction plates, multiaperture sound absorption pipes and a filter screen, wherein an air outlet and an air inlet are respectively arranged on two ends of the inner shell; two or more noise reduction plates are sequentially arranged in the inner shell and are vertical to an air inlet direction; and a plurality of multiaperture sound absorption pipes vertically penetrate through the noise reduction plates and are uniformly arranged; and the filter screen is arranged in the air inlet. According to the fan muffler for the dust remover, the air power noise can be gradually eliminated by utilizing the multiple layers of noise reduction plates, the noise reduction cotton can be effectively prevented from adsorbing dust, the service life of the muffler is prolonged, and meanwhile, the fan muffler for the dust remover is simple in structure, good in erasure effect, and low in manufacturing cost.
Description
Technical field
The present invention relates to a kind of baffler, more particularly, relate 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 invention will solve
The erasure effect that the object of the invention is to overcome 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 technological scheme of the present invention, 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, technological scheme provided by the invention is:
A kind of muffler for fan for deduster of the present invention, 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
Adopt technological scheme provided by the invention, compared with existing known technology, there is following beneficial effect:
(1) a kind of muffler for fan for deduster of the present invention, 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 invention, 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 invention, 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 invention, its exhaust outlet is connected with air draft chimney by anchor ear, easy to connect reliable.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of muffler for fan for deduster of the present invention;
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 invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
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 present invention 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.
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 invention, 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 present invention and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, 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 invention aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection scope of the present invention.
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 |
|---|---|---|---|
| CN201410055767.4A CN103850987B (en) | 2014-02-19 | 2014-02-19 | A kind of muffler for fan for deduster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055767.4A CN103850987B (en) | 2014-02-19 | 2014-02-19 | A kind of muffler for fan for deduster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103850987A true CN103850987A (en) | 2014-06-11 |
| CN103850987B CN103850987B (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410055767.4A Expired - Fee Related CN103850987B (en) | 2014-02-19 | 2014-02-19 | A kind of muffler for fan for deduster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103850987B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964091A (en) * | 2015-06-18 | 2015-10-07 | 南京磁谷科技有限公司 | Emptying and silencing integrated pipeline for centrifugal fan |
| CN104975398A (en) * | 2015-07-07 | 2015-10-14 | 苏州潮盛印花制版实业有限公司 | Textile warping machine with noise reduction device |
| CN107059734A (en) * | 2017-05-26 | 2017-08-18 | 湖北聚力汽车技术股份有限公司 | A kind of multistage silene system of vacuum sweeper and vacuum sweeper |
| CN107970705A (en) * | 2017-12-30 | 2018-05-01 | 江苏永益环保科技有限公司 | Dust treatment system for workshop of dusting |
| CN108266348A (en) * | 2017-12-30 | 2018-07-10 | 江苏永益环保科技有限公司 | Cellular noise reduction chimney |
| CN108591098A (en) * | 2018-06-01 | 2018-09-28 | 威海克莱特菲尔风机股份有限公司 | Low noise explosion-proof fan |
| 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 |
| CN114483620A (en) * | 2021-12-29 | 2022-05-13 | 南京祈悦机电科技有限公司 | Cold press for electronic machining |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049704U (en) * | 1989-04-17 | 1989-12-20 | 上海鼓风机厂 | Screen type rectangular muffler |
| JPH08210298A (en) * | 1995-02-06 | 1996-08-20 | Fuji Electric Co Ltd | Blower silencer |
| CN201696358U (en) * | 2010-05-14 | 2011-01-05 | 池州市金艺化工有限公司 | Noise silencer |
| CN202301219U (en) * | 2011-10-29 | 2012-07-04 | 山西晋城无烟煤矿业集团有限责任公司 | Throttling pressure reduction type silencer for blower |
| CN202971345U (en) * | 2012-11-13 | 2013-06-05 | 湖北江环环保科技有限公司 | Silencer for fan of dust collector |
| CN103307041A (en) * | 2012-03-09 | 2013-09-18 | 威海鲁源科技环保设备有限公司 | Fan silencer for furnace |
| CN203362639U (en) * | 2013-05-31 | 2013-12-25 | 红安县金鑫环保设备有限公司 | Draught fan inlet and outlet silencer |
| CN203743083U (en) * | 2014-02-19 | 2014-07-30 | 江苏常净环保科技有限公司 | Fan silencer used for dust remover |
-
2014
- 2014-02-19 CN CN201410055767.4A patent/CN103850987B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049704U (en) * | 1989-04-17 | 1989-12-20 | 上海鼓风机厂 | Screen type rectangular muffler |
| JPH08210298A (en) * | 1995-02-06 | 1996-08-20 | Fuji Electric Co Ltd | Blower silencer |
| CN201696358U (en) * | 2010-05-14 | 2011-01-05 | 池州市金艺化工有限公司 | Noise silencer |
| CN202301219U (en) * | 2011-10-29 | 2012-07-04 | 山西晋城无烟煤矿业集团有限责任公司 | Throttling pressure reduction type silencer for blower |
| CN103307041A (en) * | 2012-03-09 | 2013-09-18 | 威海鲁源科技环保设备有限公司 | Fan silencer for furnace |
| CN202971345U (en) * | 2012-11-13 | 2013-06-05 | 湖北江环环保科技有限公司 | Silencer for fan of dust collector |
| CN203362639U (en) * | 2013-05-31 | 2013-12-25 | 红安县金鑫环保设备有限公司 | Draught fan inlet and outlet silencer |
| CN203743083U (en) * | 2014-02-19 | 2014-07-30 | 江苏常净环保科技有限公司 | Fan silencer used for dust remover |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964091A (en) * | 2015-06-18 | 2015-10-07 | 南京磁谷科技有限公司 | Emptying and silencing integrated pipeline for centrifugal fan |
| CN104975398A (en) * | 2015-07-07 | 2015-10-14 | 苏州潮盛印花制版实业有限公司 | Textile warping machine with noise reduction device |
| CN107059734A (en) * | 2017-05-26 | 2017-08-18 | 湖北聚力汽车技术股份有限公司 | A kind of multistage silene system of vacuum sweeper and vacuum sweeper |
| CN107970705A (en) * | 2017-12-30 | 2018-05-01 | 江苏永益环保科技有限公司 | Dust treatment system for workshop of dusting |
| CN108266348A (en) * | 2017-12-30 | 2018-07-10 | 江苏永益环保科技有限公司 | Cellular noise reduction chimney |
| CN108591098A (en) * | 2018-06-01 | 2018-09-28 | 威海克莱特菲尔风机股份有限公司 | Low noise explosion-proof fan |
| CN108591098B (en) * | 2018-06-01 | 2024-02-20 | 威海克莱特菲尔风机股份有限公司 | Low-noise explosion-proof fan |
| 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 |
| CN114483620A (en) * | 2021-12-29 | 2022-05-13 | 南京祈悦机电科技有限公司 | Cold press for electronic machining |
| CN114483620B (en) * | 2021-12-29 | 2023-08-25 | 南京祈悦机电科技有限公司 | Cold press for electronic mechanical processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103850987B (en) | 2016-03-02 |
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