CN206097920U - Steam or gaseous special effect silencer - Google Patents
Steam or gaseous special effect silencer Download PDFInfo
- Publication number
- CN206097920U CN206097920U CN201621145168.2U CN201621145168U CN206097920U CN 206097920 U CN206097920 U CN 206097920U CN 201621145168 U CN201621145168 U CN 201621145168U CN 206097920 U CN206097920 U CN 206097920U
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- tube
- shell
- sound
- muffler
- vibration
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Abstract
The utility model provides a steam or gaseous special effect silencer, includes the damping tube body (1), its characterized in that: be provided with vibration wave absorption pipe (6) on the inside axle center of the damping tube body (1), it inhales ripples board (5) to be provided with in the space between the inner wall of the vibration wave absorption pipe (6) and the damping tube body (1), the one end that the exit end of the damping tube body (1) passes through connecting flange (11) and muffler shell (12) is linked together, near inner wall of muffler shell (12) is provided with spiral sound absorption area (13), coaxial be provided with scatter plate (14) in middle part of muffler shell (12), the utility model discloses rational in infrastructure, installation and easy maintenance utilize the damping pipe to the preliminary absorption noise reduction of noise sound wave, have realized further the absorptions noise reduction to the noise sound wave through the muffler, can cooperate the filterplexer to use, inhale the sound and fall the ability of making an uproar and obtained improving at double, and application range is extensive, utilizes broad prospect.
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
Equipment, conveying equipment of dynamic operating etc., these equipment are exactly huge noise pollution source in operation process, all can be produced very
Big exceeded noise, severe exacerbation production and processing environment.Sound wave and vibration wave produced by noise pollution source can be through outer
Housing is outwards propagated, and is propagated according to the propagation of sound wave and transport properties.Existing absorbing sound and lowering noise apparatus structure is simple, installs
Loaded down with trivial details, absorbing sound and lowering noise effect on driving birds is not good is transformed, it is impossible to meet largely absorbing sound and lowering noise needs, using receiving certain restriction.
The 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, it is impossible to meet the defect and deficiency of largely absorbing sound and lowering noise needs, now provides a kind of rational in infrastructure, installs transformation letter
Just, absorbing sound and lowering noise ability is significantly improved, can sound-absorbing and noise reduction by a relatively large margin, a kind of extensive steam of use range or
Gas specially good effect acoustic filter.
For achieving the above object, technical solution of the invention is：A kind of steam or gas specially good effect acoustic filter, including subtracting
Vibration tube housing, one end of the vibration damping tube shell is air flow inlet end, and air flow inlet flange, vibration damping are fixed with air flow inlet end
The space being provided with the internal axis of tube shell between the inwall of vibration wave absorption tube, vibration wave absorption tube and vibration damping tube shell
In be provided with suction ripple plate, multiple axial damping layers are fixed with the inwall of vibration damping tube shell, fluctuation is installed on axial damping layer
Position ring, is mounted with suction ripple plate on fluctuation position ring, the port of export of vibration damping tube shell is by connection flange and muffler shell
One end is connected, and the other end of muffler shell is airflow outlet end, and spiral sound absorption is provided near the inwall of muffler shell
Band, is coaxially arranged with scatter plate in the middle part of muffler shell.
The 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 overlaps with the axial line of vibration damping tube shell.
The middle part intracavity diameter of the 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 the muffler shell is provided with the intracavity inter-connection of drain pipe, drain pipe and muffler shell.
One end of the inside of the 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.
The spiral sound absorption band is arranged on and is disappeared using metal tube or high-temperature resistance plastice pipe dish spirally-wound, spiral sound absorption band
On the inwall of sound device housing, spiral sound absorption band is 10-20 pitch, and length of the spiral sound absorption band in muffler chamber body is deafener
The 20%-60% of cavity total length.
The scatter plate is the metallic plate for 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 the taper flash vessel is connected with one end of the metal tube on sound absorber, and sound absorber includes
Metal tube, suction ripple unit and sound wave access aperture, are symmetrically arranged with multiple along sound wave on the outer surface of metal pipe on sound absorber
The suction ripple unit of direction of propagation distribution, uniformly offers the sound wave connected with the inner chamber for inhaling ripple unit and enters on the tube wall of metal tube
Enter hole.
It is described to inhale the metal shell that ripple unit is a side opening, damping layer is provided with the inwall for inhaling ripple unit, inhale ripple list
The inside of unit is disposed with the noise elimination cavity of more than three along the direction of sonic propagation, is provided with along length in the middle part of noise elimination cavity
The microporosity separator being distributed 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 the heart vibration wave absorption tube, sound
Ripple is entered into after vibration wave absorption tube can be effectively reduced and absorb, while absorbing noise sound wave using ripple plate is inhaled, be realized
Initial absorption noise reduction process to noise sound wave.
2nd, the present invention is internally provided with spiral sound absorption band and scatter plate in deafener, and spiral sound absorption band has suction well
Sound effective value, while scatter plate can be dissipated sound wave, is allowed to noise sound wave and dissipates to each different directions, to produce sound wave
Effect of cancelling out each other, realize the further absorption noise reduction process to noise sound wave.
3rd, present configuration rationally, can coordinate sound absorber to use, and 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, use range extensively, is used and had a extensive future.
Description of the drawings
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 that the present invention installs the schematic diagram after 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 inhales ripple plate 5, vibration wave
Absorption tube 6, axial damping layer 7, fluctuate position ring 8, damping layer 9, locating ring 10, couples flange 11, and 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 inhales ripple unit 19, sound wave access aperture
20。
Specific embodiment
Below in conjunction with description of the drawings, the present invention is described in further detail with specific embodiment.
Referring to Fig. 1 to Fig. 4, a kind of steam or gas specially good effect acoustic filter of the present invention, including vibration damping tube shell 1, its feature
It is：One end of the vibration damping tube shell 1 is air flow inlet end 3, and air flow inlet flange 2, vibration damping are fixed with air flow inlet end 3
It is provided with the internal axis of tube shell 1 between the inwall of vibration wave absorption tube 6, vibration wave absorption tube 6 and vibration damping tube shell 1
Suction ripple plate 5 is provided with space, multiple axial damping layers 7 are fixed with the inwall of vibration damping tube shell 1, pacified on axial damping layer 7
Equipped with fluctuation position ring 8, suction ripple plate 5 is mounted with fluctuation position ring 8, the port of export of vibration damping tube shell 1 is by coupling 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 it is interior
Spiral sound absorption band 13 is provided near wall, the middle part of muffler shell 12 is coaxially arranged with scatter plate 14.
The 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 overlaps with the axial line of vibration damping tube shell 1.
The middle part intracavity diameter of the 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 the muffler shell 12 is provided with drain pipe 15, and drain pipe 15 is connected with the inner chamber of muffler shell 12
It is logical.
One end of the inside of the 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.
The spiral sound absorption band 13 is arranged using metal tube or high-temperature resistance plastice pipe dish spirally-wound, spiral sound absorption band 13
On the inwall of muffler shell 12, spiral sound absorption band 13 is 10-20 pitch, and spiral absorbs sound with 13 length in muffler chamber body
Spend for the 20%-60% of muffler cavity total length.
The scatter plate 14 is the metallic plate for 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 the 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 the outer surface of metal tube 18 on sound absorber 17
Multiple suction ripple units 19 along sonic propagation directional spreding are provided with, are uniformly offered on the tube wall of metal tube 18 and is inhaled ripple list
The sound wave access aperture 20 that the inner chamber of unit 19 connects.
The metal shell for inhaling ripple unit 19 for a side opening, on the inwall for inhaling ripple unit 19 damping layer is provided with, and is inhaled
The inside of ripple unit 19 is disposed with the noise elimination cavity of more than three along the direction of sonic propagation, is provided with the middle part of noise elimination cavity
The microporosity separator being above distributed along its length.
Referring to Fig. 1 to Fig. 3, one end of vibration damping tube shell 1 is air flow inlet end 3, and gas inflow is fixed with air flow inlet end 3
Mouth flange 2, air flow inlet flange 2 is used to be connected with hydrodynamic source or sound source device.Vibration damping tube shell 1 is cylindrical shape knot
Structure, oval barrel structure or other tubular constructions, 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, for the ease of the installation and maintenance of the intraware of vibration damping tube shell 1, vibration damping tube shell 1 can adopt two sections of two-piece constructions,
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 installed on axial damping layer 7, installs solid on fluctuation position ring 8
Surely there is suction ripple plate 5, the end for 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 the produced vibration in wave process is inhaled of ripple plate 5, inhaling ripple plate 5 is used to absorb noise sound wave.
Vibration wave absorption tube 6 is provided with the internal axis of vibration damping tube shell 1, sound wave is entered into after vibration wave absorption tube 6
Can effectively reduce and absorb vibration wave, play a part of to remove vibration wave.Vibration wave absorption tube 6 is hollow metal pipe, is shaken
The two ends of dynamic ripple absorption tube 6 are conical necking, and the axial line of vibration wave absorption tube 6 overlaps 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 by coupling flange 11 with one end of muffler shell 12, 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 the intracavity inter-connection of drain pipe 15, drain pipe 15 and muffler shell 12, and the hydrops inside deafener can lead to
Cross drain pipe 15 to discharge in time.Spiral sound absorption band 13 is provided near the inwall of muffler shell 12, spiral sound absorption band 13 is adopted
Metal tube or high-temperature resistance plastice pipe dish spirally-wound, spiral sound absorption is arranged on the inwall of muffler shell 12 with 13, spiral
Sound absorption band 13 is 10-20 pitch, and spiral absorbs sound with the 20%- that 13 length in muffler chamber body are 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 sound wave, be allowed to
Noise sound wave is dissipated 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 the cavity length of muffler shell 12.The sqouynd absorption lowering noise of scatter plate 14
Principle and Application No.：Described principle is identical in 93104885.0 patent of invention, 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 expansion
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 further improve sqouynd absorption lowering noise effect, 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.Multiple edges are symmetrically arranged with the outer surface of metal tube 18 on sound absorber 17
The suction ripple unit 19 of sonic propagation directional spreding, ripple unit 19 is inhaled and gold is absorbed and fixed at by the connected mode of screw or bolt
On the outer wall of category pipe 18, the sound wave access aperture connected with the inner chamber for inhaling ripple unit 19 is uniformly offered on the tube wall of metal tube 18
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
Absorbing the effect of 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 using two different-diameters metal tube when, inhale ripple unit 19 and be 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, on the outside of the opening area of sound wave access aperture 20 asbestos packing sheet is fixed with,
The hole corresponding with the size of sound wave access aperture 20 is offered on asbestos packing sheet.
Metal shell of the ripple unit 19 for a side opening is inhaled, damping layer is provided with the inwall for inhaling ripple unit 19, 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, is provided with the middle part of noise elimination cavity along long
The microporosity separator being distributed on degree direction.For example when being set to three noise elimination cavities, respectively the 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 for dominant frequency ripple wavelength a quarter, the cavity length of the 3rd noise elimination cavity is
/ 8th of dominant frequency ripple wavelength.Carried out in the first noise elimination cavity, the second noise elimination cavity and the 3rd noise elimination cavity according to the principle of sound wave
Ripple noise reduction is inhaled step by step, and dominant frequency ripple is got 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 use 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：The 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）It is 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 be provided with fluctuation position ring（8）, fluctuate 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：The 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：The 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：The 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：The 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：The 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：The 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：The 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：The suction ripple unit（19）
For the metal shell of a side opening, ripple unit is inhaled（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 upper distribution along its length is provided with the middle part of noise elimination cavity
Microporosity separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621145168.2U CN206097920U (en) | 2016-10-21 | 2016-10-21 | Steam or gaseous special effect silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621145168.2U CN206097920U (en) | 2016-10-21 | 2016-10-21 | Steam or gaseous special effect silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206097920U true CN206097920U (en) | 2017-04-12 |
Family
ID=58484522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621145168.2U Expired - Fee Related CN206097920U (en) | 2016-10-21 | 2016-10-21 | Steam or gaseous special effect silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206097920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448647A (en) * | 2016-10-21 | 2017-02-22 | 武汉市发源发明推广有限公司 | Steam or gas special effect silencer |
-
2016
- 2016-10-21 CN CN201621145168.2U patent/CN206097920U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448647A (en) * | 2016-10-21 | 2017-02-22 | 武汉市发源发明推广有限公司 | Steam or gas special effect silencer |
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| 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: 20170412 Termination date: 20211021 |