CN108953239A - A kind of low flow resistance high silencing performance device of steel combustion fan - Google Patents
A kind of low flow resistance high silencing performance device of steel combustion fan Download PDFInfo
- Publication number
- CN108953239A CN108953239A CN201811203919.5A CN201811203919A CN108953239A CN 108953239 A CN108953239 A CN 108953239A CN 201811203919 A CN201811203919 A CN 201811203919A CN 108953239 A CN108953239 A CN 108953239A
- Authority
- CN
- China
- Prior art keywords
- outer cylinder
- suspension
- perforated
- noise elimination
- guide shell
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 230000030279 gene silencing Effects 0.000 title claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 67
- 230000003584 silencer Effects 0.000 claims abstract description 44
- 230000008030 elimination Effects 0.000 claims abstract description 42
- 238000003379 elimination reaction Methods 0.000 claims abstract description 42
- 230000003319 supportive effect Effects 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 9
- 238000012946 outsourcing Methods 0.000 claims description 6
- 229920006264 polyurethane film Polymers 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of low flow resistance high silencing performance device of steel combustion fan, it is related to silencer manufacturing technology field.It includes suspension noise elimination guide shell, silencer outer cylinder, perforated support plate, entrance mesh enclosure, silencer outer cylinder is provided with outside the suspension noise elimination guide shell, suspension noise elimination guide shell is connect with silencer outer cylinder by several perforated support plates, and the middle-end between suspension noise elimination guide shell and silencer outer cylinder is arranged in perforated support plate, silencer outer cylinder front end face is provided with entrance mesh enclosure;The suspension noise elimination guide shell includes rigid backbone, suspension perforated plate, suspension filled layer, and suspension noise elimination guide shell is internally provided with rigid backbone.After by adopting the above technical scheme, the invention has the following beneficial effects: structurally reasonable, reduce blocking probability, regenerated noise is small, and flow resistance is small, reduces system resistance, reduce fan energy consumption, exploitation is matched with field working conditions and noise source frequecy characteristic, noise elimination effect ideal, the superior performance and generalization is strong in colleague field.
Description
Technical field
The present invention relates to silencer manufacturing technology fields, and in particular to a kind of steel combustion fan is disappeared with low flow resistance high-performance
Sound device.
Background technique
The usual pressure of steel plant's combustion fan is higher, and air quantity is smaller.Blower air blast into system, since pressure is higher, and
High basic of sound pressure level is higher frequency band in 500Hz or more in noise source frequency spectrum simultaneously, therefore the noise of steel combustion fan has
The features such as sound pressure level is high, ear-piercing generates adverse effect to the health of surrounding resident and staff, is main in steel plant make an uproar
Sound source.
It is directed to the silencer of industrial fan currently on the market, unreasonable structure, blocking is serious, and wind speed is big, regenerated noise
Greatly, flow resistance is big, increases system resistance, increases fan energy consumption, simultaneously because to the operating condition and noise source frequecy characteristic at scene
It does not know about, noise elimination effect is undesirable.Exploitation is mismatched with field working conditions and noise source frequecy characteristic.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of low flow resistances of steel combustion fan
High silencing performance device, it is structurally reasonable, blocking probability is reduced, regenerated noise is small, and flow resistance is small, reduces system resistance, reduces
Fan energy consumption, exploitation are matched with field working conditions and noise source frequecy characteristic, and noise elimination effect is ideal, the superior performance in colleague field
And generalization is strong.
To achieve the above object, the present invention is using following technical scheme: it includes suspension noise elimination guide shell 1, silencer
Outer cylinder 2, perforated support plate 3, entrance mesh enclosure 4, silencer outer cylinder 2 is provided with outside the suspension noise elimination guide shell 1, and suspension is eliminated the noise
Guide shell 1 is connect with silencer outer cylinder 2 by several perforated support plates 3, and the setting of perforated support plate 3 is in suspension noise elimination guide shell
Middle-end between 1 and silencer outer cylinder 2,2 front end face of silencer outer cylinder are provided with entrance mesh enclosure 4;
The suspension noise elimination guide shell 1 includes rigid backbone 11, suspension perforated plate 12, suspension filled layer 13, suspends noise elimination water conservancy diversion
Cylinder 1 is internally provided with rigid backbone 11, and suspension perforated plate 12 is provided with outside rigid backbone 11, suspends and is arranged outside perforated plate 12
There is suspension filled layer 13;
The silencer outer cylinder 2 is worn comprising supportive skeleton 21, the first outer cylinder perforated plate 22, outer cylinder filled layer 23, the second outer cylinder
Orifice plate 24 is provided with supportive skeleton 21 outside silencer outer cylinder 2, and supportive skeleton 21 is internally provided with the first outer cylinder perforated plate
22, the first outer cylinder perforated plate 22 is internally provided with outer cylinder filled layer 23, and outer cylinder filled layer 23 is internally provided with the perforation of the second outer cylinder
Plate 24.
The suspension noise elimination guide shell 1 divides three sections, and suspension 1 leading portion of noise elimination guide shell is conical flow guiding lid, suspends to eliminate the noise and lead
1 middle section of flow cartridge is flat segments, suspension 1 tail end of noise elimination guide shell is taper tail rectification section.
The silencer outer cylinder 2 is divided to two sections, and 2 leading portion of silencer outer cylinder is flat segments, 2 rear end of silencer outer cylinder is taper
Section.
The number of the perforated support plate 3 is 3-6.
The perforated support plate 3 includes long perforated support plate 31, short perforated support plate 32, and the long setting of perforated support plate 31 exists
Between first outer cylinder perforated plate 22 and rigid backbone 11, short perforated support plate 32 is provided with outside long perforated support plate 31, and short
The setting of perforated support plate 32 is between the second outer cylinder perforated plate 24 and suspension filled layer 13.
The suspension perforated plate 12 be perforated plate that outsourcing porosity is 25-28%, and suspension perforated plate 12 with a thickness of
1mm。
The suspension filled layer 13 is polyurethane film filled layer or glass fibre filled layer, and suspends the thickness of filled layer 13
Degree is 50-100mm.
The first outer cylinder perforated plate 22 is the perforated plate that outsourcing porosity is 25-28%, and the first outer cylinder perforated plate 22
With a thickness of 1mm.
The outer cylinder filled layer 23 is polyurethane film filled layer or glass fibre filled layer, and the thickness of outer cylinder filled layer 23
Degree is 50-100mm.
The short perforated support plate 32 is thin polyurethane membrane support plate or glass fibre support plate, and short perforated support plate 32
With a thickness of 30-50mm.
After adopting the above technical scheme, reducing blocking probability, regenerated noise the invention has the following beneficial effects: structurally reasonable
Small, flow resistance is small, reduces system resistance, reduces fan energy consumption, and exploitation matches with field working conditions and noise source frequecy characteristic, disappears
Sound effective value is ideal, the superior performance and generalization is strong in colleague field.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the left view of corresponding diagram 1;
Fig. 3 is the portion the A enlarged drawing of corresponding diagram 1;
Fig. 4 is the portion the B enlarged drawing of corresponding diagram 1.
Description of symbols: suspension noise elimination guide shell 1, silencer outer cylinder 2, perforated support plate 3, entrance mesh enclosure 4, rigid bone
Frame 11, suspension perforated plate 12, suspension filled layer 13, supportive skeleton 21, the first outer cylinder perforated plate 22, outer cylinder filled layer 23, the
Two outer cylinder perforated plates 24, long perforated support plate 31, short perforated support plate 32.
Specific embodiment
Referring to shown in Fig. 1-Fig. 4, present embodiment the technical solution adopted is that: it include suspension noise elimination guide shell 1,
Silencer outer cylinder 2, perforated support plate 3, entrance mesh enclosure 4 are provided with silencer outer cylinder 2 outside the suspension noise elimination guide shell 1, hang
It sets noise elimination guide shell 1 and is connect with silencer outer cylinder 2 by several perforated support plates 3, and the setting of perforated support plate 3 is eliminated the noise in suspension
Middle-end between guide shell 1 and silencer outer cylinder 2,2 front end face of silencer outer cylinder are provided with entrance mesh enclosure 4;
The suspension noise elimination guide shell 1 includes rigid backbone 11, suspension perforated plate 12, suspension filled layer 13, suspends noise elimination water conservancy diversion
Cylinder 1 is internally provided with rigid backbone 11, and suspension perforated plate 12 is provided with outside rigid backbone 11, suspends and is arranged outside perforated plate 12
There is suspension filled layer 13;
The silencer outer cylinder 2 is worn comprising supportive skeleton 21, the first outer cylinder perforated plate 22, outer cylinder filled layer 23, the second outer cylinder
Orifice plate 24 is provided with supportive skeleton 21 outside silencer outer cylinder 2, and supportive skeleton 21 is internally provided with the first outer cylinder perforated plate
22, the first outer cylinder perforated plate 22 is internally provided with outer cylinder filled layer 23, and outer cylinder filled layer 23 is internally provided with the perforation of the second outer cylinder
Plate 24.
The suspension noise elimination guide shell 1 divides three sections, and suspension 1 leading portion of noise elimination guide shell is conical flow guiding lid, suspends to eliminate the noise and lead
1 middle section of flow cartridge is flat segments, suspension 1 tail end of noise elimination guide shell is taper tail rectification section.
The silencer outer cylinder 2 is divided to two sections, and 2 leading portion of silencer outer cylinder is flat segments, 2 rear end of silencer outer cylinder is taper
Section.
The number of the perforated support plate 3 is 3-6.
The perforated support plate 3 includes long perforated support plate 31, short perforated support plate 32, and the long setting of perforated support plate 31 exists
Between first outer cylinder perforated plate 22 and rigid backbone 11, short perforated support plate 32 is provided with outside long perforated support plate 31, and short
The setting of perforated support plate 32 is between the second outer cylinder perforated plate 24 and suspension filled layer 13.
The suspension perforated plate 12 be perforated plate that outsourcing porosity is 25-28%, and suspension perforated plate 12 with a thickness of
1mm。
The suspension filled layer 13 is polyurethane film filled layer or glass fibre filled layer, and suspends the thickness of filled layer 13
Degree is 50-100mm.
The first outer cylinder perforated plate 22 is the perforated plate that outsourcing porosity is 25-28%, and the first outer cylinder perforated plate 22
With a thickness of 1mm.
The outer cylinder filled layer 23 is polyurethane film filled layer or glass fibre filled layer, and the thickness of outer cylinder filled layer 23
Degree is 50-100mm.
The short perforated support plate 32 is thin polyurethane membrane support plate or glass fibre support plate, and short perforated support plate 32
With a thickness of 30-50mm.
The working principle of the invention: it for the Inlet muffler in fan inlet air duct, suspends and is arranged outside noise elimination guide shell 1
There is silencer outer cylinder 2, suspension noise elimination guide shell 1 is connect with silencer outer cylinder 2 by several perforated support plates 3, and perforated support
The middle-end between suspension noise elimination guide shell 1 and silencer outer cylinder 2 is arranged in plate 3, and 2 front end face of silencer outer cylinder is provided with entrance net
Cover 4;The effective perimeter in the cross section that air-flow passes through/suspension guide shell section girth is 2.5-3.5, valid circulation area/outer cylinder
Cross-sectional area is 0.65-0.75;Suspending noise elimination guide shell 1 includes rigid backbone 11, suspension perforated plate 12, suspension filled layer
13, suspension noise elimination guide shell 1 is internally provided with rigid backbone 11, and suspension perforated plate 12, suspension are provided with outside rigid backbone 11
Suspension filled layer 13 is provided with outside perforated plate 12;Silencer outer cylinder 2 include supportive skeleton 21, the first outer cylinder perforated plate 22,
Outer cylinder filled layer 23, the second outer cylinder perforated plate 24 are provided with supportive skeleton 21, supportive skeleton 21 outside silencer outer cylinder 2
It is internally provided with the first outer cylinder perforated plate 22, the first outer cylinder perforated plate 22 is internally provided with outer cylinder filled layer 23, outer cylinder filled layer
23 are internally provided with the second outer cylinder perforated plate 24;It is structurally reasonable, blocking probability is reduced, regenerated noise is small, and flow resistance is small, reduces
System resistance reduces fan energy consumption, and exploitation is matched with field working conditions and noise source frequecy characteristic, and noise elimination effect is ideal.
After adopting the above technical scheme, reducing blocking probability, regenerated noise the invention has the following beneficial effects: structurally reasonable
Small, flow resistance is small, reduces system resistance, reduces fan energy consumption, and exploitation matches with field working conditions and noise source frequecy characteristic, disappears
Sound effective value is ideal, the superior performance and generalization is strong in colleague field.
The above is only used to illustrate the technical scheme of the present invention and not to limit it, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, as long as it does not depart from the spirit and scope of the technical scheme of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of low flow resistance high silencing performance device of steel combustion fan, it is characterised in that: it includes suspension noise elimination guide shell
(1), silencer outer cylinder (2), perforated support plate (3), entrance mesh enclosure (4), external be provided with of the suspension noise elimination guide shell (1) disappear
Sound device outer cylinder (2), suspension noise elimination guide shell (1) is connect with silencer outer cylinder (2) by several perforated support plates (3), and is perforated
Middle-end of support plate (3) setting between suspension noise elimination guide shell (1) and silencer outer cylinder (2), silencer outer cylinder (2) front end face
It is provided with entrance mesh enclosure (4);
The suspension noise elimination guide shell (1) includes rigid backbone (11), suspension perforated plate (12), suspension filled layer (13), suspension
Noise elimination guide shell (1) is internally provided with rigid backbone (11), and suspension perforated plate (12), suspension are provided with outside rigid backbone (11)
Suspension filled layer (13) is provided with outside perforated plate (12);
The silencer outer cylinder (2) includes supportive skeleton (21), the first outer cylinder perforated plate (22), outer cylinder filled layer (23), the
Two outer cylinder perforated plates (24), silencer outer cylinder (2) is external to be provided with supportive skeleton (21), setting inside supportive skeleton (21)
There is the first outer cylinder perforated plate (22), the first outer cylinder perforated plate (22) is internally provided with outer cylinder filled layer (23), outer cylinder filled layer
(23) it is internally provided with the second outer cylinder perforated plate (24).
2. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
It suspends noise elimination guide shell (1) and divides three sections, suspension noise elimination guide shell (1) leading portion is conical flow guiding lid, suspends in noise elimination guide shell (1)
Section is flat segments, suspension noise elimination guide shell (1) tail end is taper tail rectification section.
3. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Silencer outer cylinder (2) is divided to two sections, and silencer outer cylinder (2) leading portion is flat segments, silencer outer cylinder (2) rear end is conical section.
4. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
The number of perforated support plate (3) is 3-6.
5. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Perforated support plate (3) includes long perforated support plate (31), short perforated support plate (32), and long perforated support plate (31) is arranged first
Between outer cylinder perforated plate (22) and rigid backbone (11), short perforated support plate (32) are provided with outside long perforated support plate (31),
And short perforated support plate (32) setting is between the second outer cylinder perforated plate (24) and suspension filled layer (13).
6. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Suspension perforated plate (12) be perforated plate that outsourcing porosity is 25-28%, and suspension perforated plate (12) with a thickness of 1mm.
7. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Suspend filled layer (13) be polyurethane film filled layer or glass fibre filled layer, and suspend filled layer (13) with a thickness of 50-
100mm。
8. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
First outer cylinder perforated plate (22) is the perforated plate that outsourcing porosity is 25-28%, and the first outer cylinder perforated plate (22) with a thickness of
1mm。
9. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 1, it is characterised in that: described
Outer cylinder filled layer (23) be polyurethane film filled layer or glass fibre filled layer, and outer cylinder filled layer (23) with a thickness of 50-
100mm。
10. a kind of low flow resistance high silencing performance device of steel combustion fan according to claim 5, it is characterised in that: institute
Short perforated support plate (32) are stated as thin polyurethane membrane support plate or glass fibre support plate, and the thickness of short perforated support plate (32)
For 30-50mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811203919.5A CN108953239A (en) | 2018-10-16 | 2018-10-16 | A kind of low flow resistance high silencing performance device of steel combustion fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811203919.5A CN108953239A (en) | 2018-10-16 | 2018-10-16 | A kind of low flow resistance high silencing performance device of steel combustion fan |
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Publication Number | Publication Date |
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CN108953239A true CN108953239A (en) | 2018-12-07 |
Family
ID=64480781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811203919.5A Pending CN108953239A (en) | 2018-10-16 | 2018-10-16 | A kind of low flow resistance high silencing performance device of steel combustion fan |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114811250A (en) * | 2021-12-28 | 2022-07-29 | 江苏大学镇江流体工程装备技术研究院 | Be applied to pump pipe-line system's noise elimination equipment |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06346900A (en) * | 1993-06-08 | 1994-12-20 | Ebara Corp | Suspention type ventilating device |
JPH08151999A (en) * | 1994-11-29 | 1996-06-11 | Hitachi Ltd | Blower device with silencer |
CN202690540U (en) * | 2012-05-07 | 2013-01-23 | 山东省临风鼓风机有限公司 | Broadband silencer for fan |
CN104420939A (en) * | 2013-08-27 | 2015-03-18 | 常州华尔澜工具有限公司 | Silencer of improved diesel engine |
CN205118559U (en) * | 2015-10-30 | 2016-03-30 | 天津诺易斯噪声振动工程技术有限公司 | Wide band journey silencer |
CN208870853U (en) * | 2018-10-16 | 2019-05-17 | 河北众邦节能科技服务有限公司 | A kind of low flow resistance high silencing performance device of steel combustion fan |
-
2018
- 2018-10-16 CN CN201811203919.5A patent/CN108953239A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06346900A (en) * | 1993-06-08 | 1994-12-20 | Ebara Corp | Suspention type ventilating device |
JPH08151999A (en) * | 1994-11-29 | 1996-06-11 | Hitachi Ltd | Blower device with silencer |
CN202690540U (en) * | 2012-05-07 | 2013-01-23 | 山东省临风鼓风机有限公司 | Broadband silencer for fan |
CN104420939A (en) * | 2013-08-27 | 2015-03-18 | 常州华尔澜工具有限公司 | Silencer of improved diesel engine |
CN205118559U (en) * | 2015-10-30 | 2016-03-30 | 天津诺易斯噪声振动工程技术有限公司 | Wide band journey silencer |
CN208870853U (en) * | 2018-10-16 | 2019-05-17 | 河北众邦节能科技服务有限公司 | A kind of low flow resistance high silencing performance device of steel combustion fan |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114811250A (en) * | 2021-12-28 | 2022-07-29 | 江苏大学镇江流体工程装备技术研究院 | Be applied to pump pipe-line system's noise elimination equipment |
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