CN106448647A - Steam or gas special effect silencer - Google Patents
Steam or gas special effect silencer Download PDFInfo
- Publication number
- CN106448647A CN106448647A CN201610921917.4A CN201610921917A CN106448647A CN 106448647 A CN106448647 A CN 106448647A CN 201610921917 A CN201610921917 A CN 201610921917A CN 106448647 A CN106448647 A CN 106448647A
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- Prior art keywords
- shell
- tube
- sound
- vibration
- muffler
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- 230000000694 effects Effects 0.000 title claims abstract description 24
- 230000003584 silencer Effects 0.000 title abstract 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 66
- 239000006096 absorbing agent Substances 0.000 claims abstract description 18
- 238000013016 damping Methods 0.000 claims description 51
- 239000002184 metal Substances 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 230000008030 elimination Effects 0.000 claims description 24
- 238000003379 elimination reaction Methods 0.000 claims description 24
- 238000009826 distribution Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 210000001260 vocal cord Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Exhaust Silencers (AREA)
Abstract
A steam or gas special effect silencer comprises a vibration attenuation pipe shell (1). The silencer is characterized in that an internal axis center of the vibration attenuation pipe shell (1) is provided with a vibration wave absorption pipe (6); a wave absorption plate (5) is arranged in a space between the vibration wave absorption pipe (6) and an inner wall of the vibration attenuation pipe shell (1); an outlet terminal of the vibration attenuation pipe shell (1) is connected to one end of a silencer shell (12) through a connection flange (11); a spiral sound absorption band (13) is arranged near an inner wall of the silencer shell (12); and a central section of the silencer shell (12) is coaxially provided with a scattering plate (14). The structure is reasonable, and installation and maintenance are convenient. A vibration attenuation pipe is used to carry out preliminary absorption noise reduction processing on a noise sound wave. Through the silencer, further absorption noise reduction processing to the noise sound wave is realized. A sound absorber can be cooperated with the silencer so that sound absorbing and noise reduction capabilities are increased by times. A usage scope is wide and an application prospect is wide.
Description
Technical field
The present invention relates to a kind of acoustic filter, more particularly, to a kind of steam or gas specially good effect acoustic filter, belong to sound-deadening and noise-reducing and set
Standby technical field.
Background technology
At present, the industry such as iron and steel, metallurgy, petrochemical industry, machining is required for using pneumatic equipment, air pressure to push away in a large number
The equipment of dynamic operating, conveying equipment etc., these equipment are exactly huge noise pollution source in operation process, all can produce very
Big exceeded noise, severe exacerbation production and processing environment.Sound wave produced by noise pollution source and vibration wave can be through outer
Housing is outwards propagated, and the propagation according to sound wave and transport properties are propagated.Existing absorbing sound and lowering noise apparatus structure is simple, installs
Transformation is loaded down with trivial details, absorbing sound and lowering noise effect on driving birds is not good it is impossible to meet largely absorbing sound and lowering noise needs, using receiving certain restriction.
Content of the invention
The purpose of the present invention is simple for existing absorbing sound and lowering noise apparatus structure, installs and transforms loaded down with trivial details, absorbing sound and lowering noise effect
Fruit is not good now to be provided a kind of rational in infrastructure it is impossible to meet the largely defect of absorbing sound and lowering noise needs and deficiency, installation transformation letter
Just, absorbing sound and lowering noise ability is significantly improved, can sound-absorbing and noise reduction by a relatively large margin, range widely a kind of steam or
Gas specially good effect acoustic filter.
For achieving the above object, the technical solution of the present invention is：A kind of steam or gas specially good effect acoustic filter, including subtracting
Vibration tube housing, one end of described vibration damping tube shell is air flow inlet end, and air flow inlet end is fixed with air flow inlet flange, vibration damping
Vibration wave absorption tube, the space between the inwall of vibration wave absorption tube and vibration damping tube shell are provided with the internal axis of tube shell
In be provided with suction ripple plate, the inwall of vibration damping tube shell is fixed with multiple axial damping layers, axial damping layer is provided with fluctuation
Position ring, fluctuation position ring is mounted with suction ripple plate, and the port of export of vibration damping tube shell passes through to couple flange and muffler shell
One end is connected, and the other end of muffler shell is airflow outlet end, is provided with spiral sound absorption near the inwall of muffler shell
Band, the middle part of muffler shell is coaxially arranged with scatter plate.
Described vibration wave absorption tube is hollow metal pipe, and the two ends of vibration wave absorption tube are conical necking, and vibration wave is inhaled
The axial line of closed tube is overlapped with the axial line of vibration damping tube shell.
The middle part intracavity diameter of described vibration wave absorption tube is 5 centimetres -20 centimetres, the two ends necking hole of vibration wave absorption tube
Footpath is 15 millimeters -80 millimeters.
The bottom of described muffler shell is provided with drain pipe, the intracavity inter-connection of drain pipe and muffler shell.
One end of the inside of described muffler shell and close airflow outlet end is provided with taper flash vessel, taper flash vessel
Big opening end be located at deafener inner chamber in, the outside of muffler shell is stretched at the osculum end of taper flash vessel.
Described spiral sound absorption band adopts metal tube or high-temperature resistance plastice pipe dish spirally-wound, and spiral sound absorption band is arranged on and disappears
On the inwall of sound device housing, spiral sound absorption band is 10-20 pitch, and spiral sound absorption length in muffler chamber body for the band is deafener
The 20%-60% of cavity total length.
Described scatter plate is the metallic plate being converted into sawtooth pattern or ripple type, and the length of scatter plate is that muffler shell intracoelomic cavity is long
The 60%-80% of degree.
Outside osculum end on described taper flash vessel is connected with one end of the metal tube on sound absorber, and sound absorber includes
Metal tube, inhale ripple unit and sound wave access aperture, the outer surface of metal pipe on sound absorber is symmetrically arranged with multiple along sound wave
The suction ripple unit of direction of propagation distribution, the tube wall of metal tube is uniformly offered the sound wave being connected with the inner chamber inhaling ripple unit and enters
Enter hole.
Described suction ripple unit is the metal shell of a side opening, and the inwall inhaling ripple unit is provided with damping layer, inhales ripple list
The inside of unit is disposed with the noise elimination cavity of more than three along the direction of sonic propagation, and the middle part of noise elimination cavity is provided with along length
The microporosity separator of distribution on direction.
The invention has the beneficial effects as follows：
1st, the present invention is provided with vibration damping pipe and deafener, and the lumen shaft of vibration damping pipe is provided with vibration wave absorption tube in the heart, and sound wave enters
Enter to after vibration wave absorption tube and can effectively be reduced and absorb, absorb noise sound wave it is achieved that right using inhaling ripple plate simultaneously
The initial absorption noise reduction process of noise sound wave.
2nd, the present invention carries and scatter plate in the spiral sound absorption that is internally provided with of deafener, and spiral sound absorption band has good suction
Sound effective value, simultaneously scatter plate sound wave can be dissipated, be allowed to noise sound wave and dissipate to each different directions, to produce sound wave
Effect of cancelling out each other it is achieved that absorption noise reduction process further to noise sound wave.
3rd, present configuration rationally, can coordinate sound absorber to use, take up room less, easy to installation and maintenance, solve
Traditional method to noise field cannot greatly absorbing sound and lowering noise technical barrier, absorbing sound and lowering noise ability obtained carrying at double
Height, range extensively, is used and is had a extensive future.
Brief description
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the partial enlarged drawing of vibration damping pipe of the present invention.
Fig. 3 is the schematic diagram after the present invention installs sound absorber.
Fig. 4 is the cross-sectional view of sound absorber of the present invention.
In figure：Vibration damping tube shell 1, air flow inlet flange 2, air flow inlet end 3, airflow outlet end 4, inhale ripple plate 5, vibration wave
Absorption tube 6, axial damping layer 7, fluctuation position ring 8, damping layer 9, locating ring 10, couple flange 11, muffler shell 12, spiral is inhaled
Vocal cords 13, scatter plate 14, drain pipe 15, taper flash vessel 16, sound absorber 17, metal tube 18, inhale ripple unit 19, sound wave access aperture
20.
Specific embodiment
Below in conjunction with brief description and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 4, a kind of steam of the present invention or gas specially good effect acoustic filter, including vibration damping tube shell 1, its feature
It is：One end of described vibration damping tube shell 1 is air flow inlet end 3, and air flow inlet end 3 is fixed with air flow inlet flange 2, vibration damping
Vibration wave absorption tube 6 is provided with the internal axis of tube shell 1, between the inwall of vibration wave absorption tube 6 and vibration damping tube shell 1
It is provided with suction ripple plate 5 in space, the inwall of vibration damping tube shell 1 is fixed with multiple axial damping layers 7, axial damping layer 7 is pacified
Equipped with fluctuation position ring 8, fluctuation position ring 8 is mounted with suction ripple plate 5, the port of export of vibration damping tube shell 1 passes through to couple flange 11
Be connected with one end of muffler shell 12, the other end of muffler shell 12 is airflow outlet end 4, muffler shell 12 interior
It is provided with spiral sound absorption band 13, the middle part of muffler shell 12 is coaxially arranged with scatter plate 14 near wall.
Described vibration wave absorption tube 6 is hollow metal pipe, and the two ends of vibration wave absorption tube 6 are conical necking, vibration wave
The axial line of absorption tube 6 is overlapped with the axial line of vibration damping tube shell 1.
The middle part intracavity diameter of described vibration wave absorption tube 6 is 5 centimetres -20 centimetres, the two ends necking of vibration wave absorption tube 6
Aperture is 15 millimeters -80 millimeters.
The bottom of described muffler shell 12 is provided with drain pipe 15, and drain pipe 15 is connected with the inner chamber of muffler shell 12
Logical.
One end of the inside of described muffler shell 12 and close airflow outlet end 4 is provided with taper flash vessel 16, taper
The big opening end of flash vessel 16 is located in the inner chamber of deafener, and the outer of muffler shell 12 is stretched at the osculum end of taper flash vessel 16
Side.
Described spiral sound absorption band 13 adopts metal tube or high-temperature resistance plastice pipe dish spirally-wound, spiral sound absorption band 13 setting
On the inwall of muffler shell 12, spiral sound absorption band 13 is 10-20 pitch, and spiral sound absorption is with 13 length in muffler chamber body
Spend the 20%-60% for muffler cavity total length.
Described scatter plate 14 is the metallic plate being converted into sawtooth pattern or ripple type, and the length of scatter plate 14 is muffler shell 12
The 60%-80% of cavity length.
Outside osculum end on described taper flash vessel 16 is connected with one end of the metal tube 18 on sound absorber 17, sound absorption
Device 17 includes metal tube 18, inhales ripple unit 19 and sound wave access aperture 20, symmetrical on metal tube 18 outer surface on sound absorber 17
It is provided with multiple suction ripple units 19 along sonic propagation directional spreding, the tube wall of metal tube 18 uniformly offers and inhales ripple list
The sound wave access aperture 20 that the inner chamber of unit 19 connects.
Described suction ripple unit 19 is the metal shell of a side opening, the inwall inhaling ripple unit 19 is provided with damping layer, inhales
The inside of ripple unit 19 is disposed with the noise elimination cavity of more than three along the direction of sonic propagation, and the middle part of noise elimination cavity is provided with
The microporosity separator of upper distribution along its length.
Referring to Fig. 1 to Fig. 3, one end of vibration damping tube shell 1 is air flow inlet end 3, air flow inlet end 3 is fixed with gas and flows into
Mouth flange 2, air flow inlet flange 2 is used for being connected with hydrodynamic source or sound source device.Vibration damping tube shell 1 is tied for cylindrical shape
Structure, oval barrel structure or other tubular construction, the both ends open of vibration damping tube shell 1 is transversal less than the middle part of vibration damping tube shell 1
Hole face, the installation for the ease of vibration damping tube shell 1 intraware and maintenance, vibration damping tube shell 1 can adopt two sections of two-piece construction,
Connecting portion is fixed using ring flange and bolt connection.The inner wall surface of vibration damping tube shell 1 is provided with damping layer, vibration damping tube shell
Multiple axial damping layers 7 are fixed with 1 inwall.Fluctuation position ring 8 is provided with axial damping layer 7, fluctuation position ring 8 is installed solid
Surely there is suction ripple plate 5, the end inhaling ripple plate 5 is fixed on the inwall of vibration damping tube shell 1 by locating ring 10, fluctuation position ring 8 can
Adapt to inhale ripple plate 5 produced vibration in inhaling wave process, inhale ripple plate 5 and be used for absorbing noise sound wave.
Vibration wave absorption tube 6 is provided with the internal axis of vibration damping tube shell 1, after sound wave enters into vibration wave absorption tube 6
Can effectively reduce and absorb vibration wave, play the effect removing vibration wave.Vibration wave absorption tube 6 is hollow metal pipe, shakes
The two ends of dynamic ripple absorption tube 6 are conical necking, and the axial line of vibration wave absorption tube 6 is overlapped with the axial line of vibration damping tube shell 1.
The middle part intracavity diameter of vibration wave absorption tube 6 is 5 centimetres -20 centimetres, and the two ends necking aperture of vibration wave absorption tube 6 is 15 millis
- 80 millimeters of rice.
The port of export of vibration damping tube shell 1 is connected with one end of muffler shell 12 by coupling flange 11, muffler shell
The other end of body 12 is airflow outlet end 4, and muffler shell 12 and the internal sound attenuation assembly installed together constitute deafener,
The effect of deafener is to carry out further sqouynd absorption lowering noise to the sound wave after vibration damping pipe noise reduction process.Muffler shell 12
Bottom is provided with drain pipe 15, the intracavity inter-connection of drain pipe 15 and muffler shell 12, and the hydrops within deafener can lead to
Cross drain pipe 15 to discharge in time.It is provided with spiral sound absorption band 13, spiral sound absorption band 13 employing near the inwall of muffler shell 12
Metal tube or high-temperature resistance plastice pipe dish spirally-wound, spiral sound absorption with 13 inwalls being arranged on muffler shell 12, spiral
Sound absorption band 13 is 10-20 pitch, and length in muffler chamber body for the spiral sound absorption band 13 is the 20%- of muffler cavity total length
60%.
The middle part of muffler shell 12 is coaxially arranged with scatter plate 14, and scatter plate 14 can dissipate to sound wave, be allowed to
Noise sound wave dissipates to each different directions, to produce the effect of cancelling out each other of sound wave.Scatter plate 14 is to be converted into sawtooth pattern or ripple
The metallic plate of stricture of vagina type, the length of scatter plate 14 is the 60%-80% of muffler shell 12 cavity length.The sqouynd absorption lowering noise of scatter plate 14
Principle and Application No.：In 93104885.0 patent of invention, described principle is identical, and publication date is on June 28th, 2000,
Patent name is：A kind of sound absorption structure.One end of the inside of muffler shell 12 and close airflow outlet end 4 is provided with taper and expands
Container 16, the big opening end of taper flash vessel 16 is located in the inner chamber of deafener, and deafener is stretched at the osculum end of taper flash vessel 16
The outside of housing 12.
In order to improve sqouynd absorption lowering noise effect further, the present invention is also connected with being provided with sound absorber 17 in the rear end of deafener,
Outside osculum end on taper flash vessel 16 is connected with one end of the metal tube 18 on sound absorber 17, and sound absorber 17 includes metal
Pipe 18, suction ripple unit 19 and sound wave access aperture 20.It is symmetrically arranged with multiple edges on metal tube 18 outer surface on sound absorber 17
The suction ripple unit 19 of sonic propagation directional spreding, inhale ripple unit 19 and gold is absorbed and fixed at by the connected mode of screw or bolt
Belong on the outer wall of pipe 18, the tube wall of metal tube 18 uniformly offers and inhales the sound wave access aperture that the inner chamber of ripple unit 19 connects
20, noise sound wave can be entered in suction ripple unit 19 by numerous sound wave access aperture 20, and using inhaling, ripple unit 19 is good
The effect absorbing sound wave carries out sqouynd absorption lowering noise.The metal tube of sound absorber 17 can be same using a metal tube or two different-diameters
The metal tube of axle distribution, if adopt the metal tube of two different-diameters, inhales ripple unit 19 and is fixed on the metal being relatively large in diameter
In pipe outer wall, and correspondence opens up sound wave access aperture 20 in the metal pipe outer wall being relatively large in diameter.The aperture of sound wave access aperture 20
For 2 millimeters -5 millimeters, the spacing between adjacent acoustic wave access aperture 20 is 1.5-3 times of aperture, the gross area of sound wave access aperture 20
It is more than 3/10 with the opening area area ratio being located, the outside of sound wave access aperture 20 opening area is fixed with asbestos packing sheet,
The hole corresponding with sound wave access aperture 20 size is offered on asbestos packing sheet.
Inhale the metal shell that ripple unit 19 is a side opening, the inwall inhaling ripple unit 19 is provided with damping layer, inhale ripple list
The inside of unit 19 is disposed with the noise elimination cavity of more than three along the direction of sonic propagation, and the middle part of noise elimination cavity is provided with along long
The microporosity separator of distribution on degree direction.For example when being set to three noise elimination cavities, the respectively first noise elimination cavity, the second noise elimination cavity and
Three noise elimination cavities, the first noise elimination cavity is arranged near sound source, is separated by the first dividing plate between the first noise elimination cavity and the second noise elimination cavity,
Separated by second partition between second noise elimination cavity and the 3rd noise elimination cavity, the cavity length of the first noise elimination cavity is dominant frequency ripple wavelength
1/2nd, the cavity length of the second noise elimination cavity is a quarter of dominant frequency ripple wavelength, and the cavity length of the 3rd noise elimination cavity is
/ 8th of dominant frequency ripple wavelength.Principle according to sound wave is carried out in the first noise elimination cavity, the second noise elimination cavity and the 3rd noise elimination cavity
Inhale ripple noise reduction step by step, dominant frequency ripple is to get according to after spectrum analyses, in the main frequency range that dominant frequency ripple is sent by noise sound source
Sound wave, the length scale of noise elimination cavity sets according to the dominant frequency wavelength after spectrum analyses.The present invention is easy to installation and maintenance, inhales
Sound noise reduction capability is significantly improved, and range is extensive.
Claims (9)
1. a kind of steam or gas specially good effect acoustic filter, including vibration damping tube shell（1）It is characterised in that：Described vibration damping tube shell（1）
One end be air flow inlet end（3）, air flow inlet end（3）On be fixed with air flow inlet flange（2）, vibration damping tube shell（1）Interior
Vibration wave absorption tube is provided with portion axle center（6）, vibration wave absorption tube（6）With vibration damping tube shell（1）Inwall between space
In be provided with suction ripple plate（5）, vibration damping tube shell（1）Inwall on be fixed with multiple axial damping layers（7）, axial damping layer（7）
On fluctuation position ring is installed（8）, fluctuation position ring（8）On be mounted with suction ripple plate（5）, vibration damping tube shell（1）The port of export lead to
Cross connection flange（11）With muffler shell（12）One end be connected, muffler shell（12）The other end be airflow outlet end
（4）, muffler shell（12）Inwall near be provided with spiral sound absorption band（13）, muffler shell（12）Middle part be coaxially disposed
There is scatter plate（14）.
2. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described vibration wave absorption tube
（6）For hollow metal pipe, vibration wave absorption tube（6）Two ends be conical necking, vibration wave absorption tube（6）Axial line with subtract
Vibration tube housing（1）Axial line overlap.
3. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described vibration wave absorption tube
（6）Middle part intracavity diameter be 5 centimetres -20 centimetres, vibration wave absorption tube（6）Two ends necking aperture be 15 millimeters -80 millimeters.
4. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described muffler shell
（12）Bottom be provided with drain pipe（15）, drain pipe（15）With muffler shell（12）Intracavity inter-connection.
5. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described muffler shell
（12）Inside and near airflow outlet end（4）One end taper flash vessel is installed（16）, taper flash vessel（16）Big mouth
End is located in the inner chamber of deafener, taper flash vessel（16）Osculum end stretch to muffler shell（12）Outside.
6. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described spiral sound absorption band
（13）Using metal tube or high-temperature resistance plastice pipe dish spirally-wound, spiral sound absorption band（13）It is arranged on muffler shell（12）'s
On inwall, spiral sound absorption band（13）For 10-20 pitch, spiral sound absorption band（13）Length in muffler chamber body is muffler chamber
The 20%-60% of body total length.
7. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described scatter plate（14）For
It is converted into the metallic plate of sawtooth pattern or ripple type, scatter plate（14）Length be muffler shell（12）The 60%-80% of cavity length.
8. a kind of steam according to claim 5 or gas specially good effect acoustic filter it is characterised in that：Described taper flash vessel
（16）On outside osculum end and sound absorber（17）On metal tube（18）One end be connected, sound absorber（17）Including metal tube
（18）, inhale ripple unit（19）And sound wave access aperture（20）, sound absorber（17）On metal tube（18）It is symmetrical arranged on outer surface
There are multiple suction ripple units along sonic propagation directional spreding（19）, metal tube（18）Tube wall on uniformly offer and inhale ripple list
Unit（19）The sound wave access aperture that connects of inner chamber（20）.
9. a kind of steam according to claim 1 or gas specially good effect acoustic filter it is characterised in that：Described suction ripple unit（19）
For the metal shell of a side opening, inhale ripple unit（19）Inwall on be provided with damping layer, inhale ripple unit（19）Inside along
The direction of sonic propagation is disposed with the noise elimination cavity of more than three, and the middle part of noise elimination cavity is provided with upper distribution along its length
Microporosity separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921917.4A CN106448647A (en) | 2016-10-21 | 2016-10-21 | Steam or gas special effect silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921917.4A CN106448647A (en) | 2016-10-21 | 2016-10-21 | Steam or gas special effect silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106448647A true CN106448647A (en) | 2017-02-22 |
Family
ID=58176346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610921917.4A Pending CN106448647A (en) | 2016-10-21 | 2016-10-21 | Steam or gas special effect silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106448647A (en) |
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