CN207406546U - Efficient fan muffler - Google Patents
Efficient fan muffler Download PDFInfo
- Publication number
- CN207406546U CN207406546U CN201721477640.7U CN201721477640U CN207406546U CN 207406546 U CN207406546 U CN 207406546U CN 201721477640 U CN201721477640 U CN 201721477640U CN 207406546 U CN207406546 U CN 207406546U
- Authority
- CN
- China
- Prior art keywords
- shell
- anechoic sheet
- sheet
- anechoic
- efficient fan
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of efficient fan mufflers, including shell, 2000 2500mm of outer cover height, 800 1000mm of width, the cover top portion is provided with rainhat, and outer casing bottom is provided with connectivity port, 600 800mm of connectivity port outer diameter, several anechoic sheets are vertically installed in the shell, the anechoic sheet includes high frequency anechoic sheet and low frequency anechoic sheet.The utility model is simple in structure, and design is reasonable, and the anechoic sheet in muffler is equipped with high frequency anechoic sheet and low frequency anechoic sheet simultaneously using vertically disposed mode, and then muffler is mounted on Fan pipeline drain, can reach 30000m by air quantity3/ h, resistance are less than 200Pa, and erasure effect is more preferable, and sound-damping qualities reach 20 25dB.
Description
Technical field
The utility model belongs to muffler technical field, more particularly to a kind of efficient fan muffler.
Background technology
Wind turbine is of wide application, and is mainly used in metallurgy, petrochemical industry, electric power, urban track traffic, weaving, ship etc.
The ventilation of all fields of national economy and various places.Requirement for wind turbine, be concentrated mainly on high efficiency, low noise,
Long-life, and it is cheap on, and whether the erasure effect of wind turbine is exactly well a whether excellent important finger of fan performance
One of mark.Although many wind turbines are equipped with muffler at present, effect is not ideal enough, it is necessary to which further improved.
Therefore, how above-mentioned technical problem to be overcome to become the technical issues of those skilled in the art are urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is just to provide a kind of efficient fan muffler, can be fully solved the above-mentioned prior art
Shortcoming.
The purpose of this utility model is realized by following technical proposals：
A kind of efficient fan muffler, including shell, outer cover height 2000-2500mm, width 800-1000mm, institute
It states cover top portion and is provided with rainhat, outer casing bottom is provided with connectivity port, connectivity port outer diameter 600-800mm, the shell
Several anechoic sheets are inside vertically installed with, the anechoic sheet includes high frequency anechoic sheet and low frequency anechoic sheet, the high frequency anechoic sheet master
It to be made of cellular sheet rubber, acoustical cotton, glass wool cloth and woven wire, the cellular sheet rubber top, which is sequentially connected, to be set
Put acoustical cotton, glass wool cloth and woven wire, the cellular sheet rubber lower part be sequentially connected set acoustical cotton, glass wool cloth and
Woven wire, the low frequency anechoic sheet cross section are arranged to snakelike shape, and it is recessed to form several so as to cause anechoic sheet upper and lower surface
Slot, the side wall of the groove are equipped with through hole, and through hole connects adjacent two groove.
Preferably, the shell side is provided with journal stirrup.Be conducive to support installation efficient fan muffler, improve
Stability.
Preferably, the outer shell outer wall scribbles anti-decaying paint.Be conducive to anti-corrosion, extend muffler service life.
Preferably, it is provided with flange at the connectivity port.It is conveniently replaceable using flanged joint, convenient for overhaul.
Compared with prior art, the beneficial effects of the utility model are：Simple in structure, design is reasonable, in muffler
Anechoic sheet uses vertically disposed mode, and is equipped with high frequency anechoic sheet and low frequency anechoic sheet simultaneously, and erasure effect is more preferable, sound-damping qualities
Reach 20-25dB, then muffler is mounted on Fan pipeline drain, 30000m can be reached by air quantity3/ h, resistance are small
In 200Pa, be conducive to help to abate the noise.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the sectional view of high frequency anechoic sheet.
Fig. 3 is the sectional view of low frequency anechoic sheet.
Reference numeral：Shell (1), rainhat (2), connectivity port (3), anechoic sheet (4), journal stirrup (5), flange (6), metal
It is silk screen (10), glass wool cloth (11), acoustical cotton (12), cellular sheet rubber (13), low frequency anechoic sheet (42), groove (20), logical
Hole (21), high frequency anechoic sheet (41).
Specific embodiment
The utility model is further described with reference to specific embodiments and the drawings.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of efficient fan muffler, including shell 1,1 height 2000-2500mm of shell,
Width 800-1000mm.1 top of shell is provided with rainhat 2, and 1 bottom of shell is provided with connectivity port 3, connectivity port outer diameter
600-800mm.Several anechoic sheets 4 are vertically installed in shell 1, anechoic sheet 4 includes high frequency anechoic sheet 41 and low frequency anechoic sheet 42.
High frequency anechoic sheet 41 is mainly made of cellular sheet rubber 13, acoustical cotton 12, glass wool cloth 11 and woven wire 10.Cellular rubber
13 top of film, which is sequentially connected, sets acoustical cotton 12, glass wool cloth 11 and woven wire 10；Cellular 13 lower part of sheet rubber is successively
Connection sets acoustical cotton 12, glass wool cloth 11 and woven wire 10.42 cross section of low frequency anechoic sheet is arranged to snakelike shape, so as to lead
42 upper and lower surface of anechoic sheet is caused to form several grooves 20, the side wall of groove 20 is equipped with through hole 21, and through hole 21 connects adjacent two
Groove 20.
The utility model is mounted on by connectivity port 3 on Fan pipeline drain, and internal anechoic sheet 4 is vertically arranged,
High frequency anechoic sheet 41 and the synthesis of low frequency anechoic sheet 42 are set, and can be eliminated high frequency and Low Medium Frequency noise simultaneously, be made erasure effect significantly
Enhancing, sound-damping qualities reach 20-25dB, while the utility model can reach 30000m by air quantity3/ h, resistance are less than 200Pa, have
It abates the noise beneficial to help.
Embodiment two
As shown in Figure 1 to Figure 3, a kind of efficient fan muffler, including shell 1,1 height 2000-2500mm of shell,
Width 800-1000mm.1 top of shell is provided with rainhat 2, and 1 bottom of shell is provided with connectivity port 3, connectivity port outer diameter
600-800mm.Several anechoic sheets 4 are vertically installed in shell 1, anechoic sheet 4 includes high frequency anechoic sheet 41 and low frequency anechoic sheet 42.
High frequency anechoic sheet 41 is mainly made of cellular sheet rubber 13, acoustical cotton 12, glass wool cloth 11 and woven wire 10.Cellular rubber
13 top of film, which is sequentially connected, sets acoustical cotton 12, glass wool cloth 11 and woven wire 10；Cellular 13 lower part of sheet rubber is successively
Connection sets acoustical cotton 12, glass wool cloth 11 and woven wire 10.42 cross section of low frequency anechoic sheet is arranged to snakelike shape, so as to lead
42 upper and lower surface of anechoic sheet is caused to form several grooves 20, the side wall of groove 20 is equipped with through hole 21, and through hole 21 connects adjacent two
Groove 20.
1 side of shell is provided with journal stirrup 5.Be conducive to support installation efficient fan muffler, improve stability.
1 outer wall of shell scribbles anti-decaying paint.Be conducive to anti-corrosion, extend muffler service life.
Flange 6 is provided at connectivity port 3.It is conveniently replaceable using the connection of flange 6, convenient for overhaul etc..
The utility model is mounted on Fan pipeline drain by the way of the connection of flange 6 by connectivity port 3,
Internal anechoic sheet 4 is vertically arranged, and high frequency anechoic sheet 41 and the synthesis of low frequency anechoic sheet 42 are set, and can eliminate high frequency and Low Medium Frequency simultaneously
Noise greatly enhances erasure effect, and sound-damping qualities reach 20-25dB, while the utility model can be reached by air quantity
30000m3/ h, resistance are less than 200Pa, are conducive to help to abate the noise.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of efficient fan muffler, it is characterised in that：Including shell (1), shell (1) height 2000-2500mm is wide
800-1000mm is spent, rainhat (2) is provided at the top of the shell (1), shell (1) bottom is provided with connectivity port (3), connection
Port (3) outer diameter 600-800mm, the shell (1) is interior to be vertically installed with several anechoic sheets (4), and the anechoic sheet (4) includes height
Frequency anechoic sheet (41) and low frequency anechoic sheet (42), the high frequency anechoic sheet (41) is mainly by cellular sheet rubber (13), acoustical cotton
(12), glass wool cloth (11) and woven wire (10) composition, cellular sheet rubber (13) top is sequentially connected setting sound-absorbing
Cotton (12), glass wool cloth (11) and woven wire (10), cellular sheet rubber (13) lower part are sequentially connected setting acoustical cotton
(12), glass wool cloth (11) and woven wire (10), low frequency anechoic sheet (42) cross section are arranged to snakelike shape, so as to cause
Anechoic sheet (42) upper and lower surface forms several grooves (20), and the side wall of the groove (20) is equipped with through hole (21), through hole
(21) adjacent two groove (20) is connected.
2. efficient fan muffler according to claim 1, it is characterised in that：Shell (1) side is provided with
Journal stirrup (5).
3. efficient fan muffler according to claim 1, it is characterised in that：Shell (1) outer wall scribbles anti-
Corruption paint.
4. efficient fan muffler according to claim 1, it is characterised in that：It is set at the connectivity port (3)
There is flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721477640.7U CN207406546U (en) | 2017-11-08 | 2017-11-08 | Efficient fan muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721477640.7U CN207406546U (en) | 2017-11-08 | 2017-11-08 | Efficient fan muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406546U true CN207406546U (en) | 2018-05-25 |
Family
ID=62318365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721477640.7U Expired - Fee Related CN207406546U (en) | 2017-11-08 | 2017-11-08 | Efficient fan muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406546U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112460076A (en) * | 2020-07-13 | 2021-03-09 | 南京静宝声学科技有限公司 | Main exhaust fan array type silencer for large air volume and strong mixed noise |
| CN114396389A (en) * | 2021-12-31 | 2022-04-26 | 英飞同仁风机股份有限公司 | Upward blowing type silencing roof fan |
-
2017
- 2017-11-08 CN CN201721477640.7U patent/CN207406546U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112460076A (en) * | 2020-07-13 | 2021-03-09 | 南京静宝声学科技有限公司 | Main exhaust fan array type silencer for large air volume and strong mixed noise |
| CN114396389A (en) * | 2021-12-31 | 2022-04-26 | 英飞同仁风机股份有限公司 | Upward blowing type silencing roof fan |
| CN114396389B (en) * | 2021-12-31 | 2022-11-18 | 英飞同仁风机股份有限公司 | Upward blowing type silencing roof fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20181108 |