CN206176329U - Noise eliminator of boiler gas vent - Google Patents
Noise eliminator of boiler gas vent Download PDFInfo
- Publication number
- CN206176329U CN206176329U CN201621182712.0U CN201621182712U CN206176329U CN 206176329 U CN206176329 U CN 206176329U CN 201621182712 U CN201621182712 U CN 201621182712U CN 206176329 U CN206176329 U CN 206176329U
- Authority
- CN
- China
- Prior art keywords
- boiler exhaust
- exhaust mouth
- noise elimination
- boiler
- deflector
- 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
- 230000008030 elimination Effects 0.000 claims abstract description 44
- 238000003379 elimination reaction Methods 0.000 claims abstract description 44
- 229920000742 Cotton Polymers 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 50
- 230000030279 gene silencing Effects 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 38
- 239000007789 gas Substances 0.000 abstract description 13
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model discloses a noise eliminator of boiler gas vent, including setting up in the noise elimination casing of boiler gas vent, still be provided with the air conduction channel with boiler gas vent intercommunication on the noise elimination casing, noise elimination shells inner wall fixes the acoustical coating layer, the guide plate just made by acoustical coating the rigidity of boiler gas vent in the noise elimination casing. The utility model provides a noise eliminator of boiler gas vent directly sets up the amortization cotton through the gas vent at the boiler flue gas, and through the cotton buffering of amortization, speed reduced very fast, discharges noise abatement through noise eliminator again when the flue gas was discharged.
Description
Technical field
This utility model is related to the noise elimination field at boiler exhaust gas QI KOU, more specifically, it relates to a kind of boiler exhaust
The silencing apparatus of mouth.
Background technology
Boiler is a kind of energy conversion, there is chemical energy, electric energy, high-temperature flue gas in fuel to the energy of boiler input
The form such as heat energy, and through boiler conversion, outwards steam of the output with certain heat energy, high-temperature water or organic heat carrier are
Commercial production or mankind's daily life provide required energy.Boiler combustion oil, natural gas, or other easy generation flue gases
Material when, it will usually producing substantial amounts of flue gas needs from the air vent of boiler to discharge.If boiler internal temperature is higher, cigarette is produced
Gas is more, and air vent is less, and a large amount of flue gases can produce very strong aerodynamic noise when discharging from air vent, working environment is caused
Noise pollution.
The acoustic filter for being generally used for boiler exhaust mouth is dissipative muffler, by fixing quieter material on the inside of acoustic filter,
Sound rubs in acoustic filter because vibrations are produced, and is converted into thermal dissipation.
Authorization Notice No. discloses a kind of flue gas deafener for the Chinese patent of CN205013956U, including being filled in flue gas
Reticulate body denoising device in pipeline, the denoising device of reticulate body is used to reduce speed of the flue gas by flue, so as to drop
The noise that low flue gas is produced by flue.Reticulate body is fixed in flue as flow blocking element, and a large amount of flue gases are quick
During discharge, remain to discharge outdoor, reduction obvious by the velocity of flue gas reduction of reticulate body denoising device directly through reticulate body
The effect of noise is not projected.
Utility model content
In view of the shortcomings of the prior art, this utility model provides a kind of silencing apparatus of boiler exhaust mouth, by
The air vent of boiler smoke directly arranges silencing cotton, and through silencing cotton buffering when flue gas is discharged, speed is reduced quickly, then through disappearing
Acoustic device is discharged, and reduces noise.
For achieving the above object, this utility model provides following technical scheme：A kind of silencing apparatus of boiler exhaust mouth,
Including the noise elimination housing for being arranged at boiler exhaust mouth, the inducing QI connected with boiler exhaust mouth is additionally provided with the noise elimination housing and is led to
Road, the noise elimination inner walls fix quieter material layer, just to the position fixation of boiler exhaust mouth by noise reduction in noise elimination housing
Deflector made by material.
Using above technical scheme, set up silencing apparatus at boiler exhaust mouth, flue gas from boiler exhaust mouth discharge when, cigarette
The quieter material contact of gas and noise elimination inner walls reduces noise.Partial fume is reached on deflector, and flue gas is subject to deflector
Cushioning effect, the flow velocity moment of flue gas reduces；Another part flue gas bypasses deflector and flows into noise elimination housing, increases air-flow
The distance of flowing, alleviates the velocity of discharge of flue gas.Quieter material layer and deflector in noise elimination housing is by quieter material
Composition, increases quieter material area, increases erasure effect, reduces noise pollution.And the noise reduction material that this utility model is used
Material high temperature resistant is nonflammable, and being directly put in boiler exhaust mouth will not be ignited, while directly reducing the flow velocity of flue gas.Additionally, being oriented to
Passage can be arranged on the different directions of muffler chamber, the flue gas discharged from boiler exhaust mouth can be oriented to into different positions
Put.
This utility model is further arranged to, and in the outside of quieter material layer and deflector guard is fixed.
Using above technical scheme, the flue gas of discharge causes certain impact to silencing cotton when silencing cotton.In noise reduction
The overall one layer of guard of outside mask of material layer, in addition to fixed quieter material is further strengthened, the hole left on guard, increase
The contact area of quieter material layer and flue gas.
This utility model is further arranged to, and sets up some fixed strips on the outside of guard, and some fixed strips include being located at and disappear
The first press strip in sound material layer, the second press strip on deflector.
Using above technical scheme, fixed guard is further enhanced, fixed using fixed strip in the outside of guard.
This utility model is further arranged to, and two the first press strips and second press strip link constitute U-shaped, the first press strip
It is arranged between quieter material layer and guard, one end is supported and is located at deflector, and the other end is supported on noise elimination housing, the second press strip position
Guard outside on deflector.
Using above technical scheme, between deflector and noise elimination housing, two the first press strips and second press strip are mutual
It is connected to form the fixed mount of U-shaped.If the first press strip and the second press strip are all located at the outside of guard, use for a long time, the
It may happen that departing between one press strip and the second press strip and guard.Therefore, using shifting to install, two the first press strips are arranged at
Between guard and quieter material layer, and the second press strip is arranged at guard outside, and fixed mount is interspersed to be arranged in guard, more surely
Gu.
This utility model is further arranged to, and the air guide channel is coaxially arranged with boiler exhaust mouth or axis mutually hangs down
Directly.
Air guide channel is coaxially arranged with boiler exhaust mouth, and flue gas is expelled directly out outdoor from after the discharge of boiler exhaust mouth.Inducing QI
Passage and the orthogonal arrangement of boiler exhaust mouth axis, it is adaptable to boiler exhaust Pipe installing in the side wall of boiler, and need by
The occasion that flue gas is upwardly or downwardly discharged.
This utility model is further arranged to, and noise elimination housing is fixed by flange with boiler exhaust mouth.
Using above technical scheme, noise elimination housing is fixed on boiler exhaust pipeline using flange, and dimension is easy in convenient dismounting
Repair.
This utility model is further arranged to, and ring flange is set up in the one end on the air guide channel away from noise elimination housing.
If necessary to when muffling device or removing exhaust gas equipment are further set up in the end of air guide channel, can directly lead to
The ring flange crossed on air guide channel is fixed, convenient and practical.
This utility model is further arranged to, and the quieter material layer is silencing cotton.
Further, the silencing cotton is glass fibre acoustical cotton or the one kind in foamed aluminium.
Using above technical scheme, be three dimensional pore structures inside glass fibre acoustical cotton and foamed aluminium, sound wave along
These holes can go deep into material internal, friction occurs with material and is converted into thermal dissipation.Glass fibre cotton and foamed aluminium are heat-resisting
Temperature is high, if the flue-gas temperature for producing is higher, will not also light silencing cotton, therefore can be placed directly at boiler exhaust mouth.
Beneficial effect：The flue gas that boiler exhaust mouth is discharged, part of smoke is reached on deflector, is buffered by deflector
Velocity of flue gas is reduced after effect；Another part flue gas bypasses deflector and flows to air guide channel, increases the distance of air current flow,
Alleviate the velocity of discharge of flue gas.
Quieter material layer and deflector in noise elimination housing is constituted by quieter material, increases quieter material area,
Increase erasure effect, reduce noise pollution.
Silencing cotton in noise elimination housing is heat-resist, when the flue-gas temperature that boiler exhaust mouth is discharged is higher, is directly put in pot
Fire grate QI KOU also will not be ignited.
Additionally, guide channel can be arranged on the different directions of muffler chamber, will can discharge from boiler exhaust mouth
Flue gas is oriented to different positions.
Description of the drawings
Fig. 1 is the silencing apparatus axonometric chart of boiler exhaust mouth in embodiment one；
Fig. 2 is the partial sectional view of Fig. 1；
Fig. 3 is another angular views of silencing apparatus of boiler exhaust mouth in embodiment one；
Fig. 4 is boiler exhaust pipeline interior views in Fig. 1；
Fig. 5 is the silencing apparatus axonometric chart of boiler exhaust mouth in embodiment two；
Fig. 6 is the partial sectional view of Fig. 5.
Description of reference numerals：1st, boiler exhaust mouth；11st, gas port；2nd, noise elimination housing；3rd, air guide channel；31st, ring flange；
4th, quieter material layer；41st, the first press strip；5th, deflector；51st, the second press strip；6th, guard；7th, flange.
Specific embodiment
Embodiment one：A kind of silencing apparatus of boiler exhaust mouth, as depicted in figs. 1 and 2, noise elimination housing 2 is installed on boiler
At air vent 1, the air guide channel 3 connected with boiler exhaust mouth 1 is also set up on noise elimination housing 2.It is uniform in the medial wall of noise elimination housing 2
Arrange in one layer of quieter material layer 4, noise elimination housing 2 just to fixing deflector 5, deflector 5 and boiler exhaust at boiler exhaust mouth 1
The gap for passing through flue gas is left between mouth 1 and noise elimination housing 2, remainder is fixed in noise elimination housing 2, and deflector
5 area is located at the opening of noise elimination housing 2 more than air guide channel 3.One layer of guard 6 is fixed in the outside mask of quieter material layer 4, this
Metal net mask used in embodiment, metal net mask covers in the outside of quieter material layer 4, and metal net mask is beyond the end of quieter material layer 4
Portion's bending is welded on housing, and further quieter material layer 4 is fixed on housing.Quieter material layer 4 is fixed using guard 6,
Contact area between one side guard 6 and quieter material layer 4 can be very good to fix quieter material layer 4, the opposing party than larger
There are many holes in veil cover 6, quieter material layer 4 also acts as the work of noise reduction by the exposed area of hole and smoke contacts
With.Therefore, guard 6 does not interfere with the silencing function of quieter material while fixed quieter material is strengthened.Guard 6 with disappear
Two the first press strips 41 are set between sound material layer 4, while the first press strip 41 is welded on guard 6.One end of first press strip 41
To on the deflector 5, the other end sets up the crotch towards the bending of noise elimination housing 2, the end of crotch be welded in noise elimination housing 2 with
The connected opening inwall of air guide channel 3.One layer of guard 6 is wrapped up in the outside of deflector 5, and in the outside of guard 6 the second press strip is fixed
51, the second press strip 51 is welded on guard 6, while the two ends of the second press strip 51 are supported is located at the inwall of noise elimination housing 2.
With reference to Fig. 4, two the first press strips 41 are supported and welded with the two ends of the second press strip 51 located at one end of deflector 5, two
First press strip 41 and second press strip 51 interconnect the fixed mount for constituting U-shaped, and two the first press strips 41 are arranged at the He of guard 6
Between quieter material layer 4, and the second press strip 51 is arranged at the outside of guard 6, and fixed mount is interspersed to be arranged in guard 6, is more consolidated.
A large amount of flue gases are discharged from boiler exhaust mouth 1 and cause greater impact to deflector 5, using this fixed form, can both bear cigarette
The impact of gas, can make quieter material and flue gas bump contact again, increase erasure effect.
The metallic plate of the inner side welding with some gas ports 11 of boiler exhaust mouth 1, as shown in figure 3, noise elimination housing 2 passes through
Flange 7 is removably connected to boiler exhaust mouth 1.Boiler exhaust mouth 1 and the arranged in co-axial alignment of air guide channel 3.Air guide channel 3 is away from noise elimination
One end of housing 2 stretches out and sets up ring flange 31, can be used to further set up silencing apparatus or smoke eliminator.Noise reduction
Quieter material in material layer 4 and deflector 5 uses silencing cotton, glass fibre acoustical cotton or foam used in the present embodiment
Aluminum, glass fibre acoustical cotton and foamed aluminium high temperature resistant and at high temperature structure are still stable, good muffling effect.Even if discharging
Flue gas has uniform temperature, will not also burn out silencing cotton, therefore, it can directly place deflector 5 in boiler exhaust mouth 1.
A large amount of flue gases that the fuel of boiler internal is produced in burning are discharged from the steam vent 11 of boiler exhaust pipeline 1, are arranged
The part of smoke for going out directly reaches deflector 5, is hindered by deflector 5, and through the buffering of deflector 5 flow velocity is reduced, this
Part of smoke can also bypass interstitial diffusion of the deflector 5 from both sides, increase the distance of air-flow, reduce the speed of flue gas
Degree；Simultaneously the quieter material on deflector 5 also functions to sound deadening.Another part flue gas is between deflector 5 and noise elimination housing 2
Spread at gap, arrive on the quieter material layer 4 of the inner side of noise elimination housing 2, increase air-flow arrives at quieter material layer by distance, flue gas
4, speed is reduced through the buffering of quieter material layer 4, that what is finally more relaxed discharges from air guide channel 3.If boiler exhaust mouth 1
It is identical with the direction that flue gas discharges outdoor positioned at boiler top, the scheme in the present embodiment can be adopted to abate the noise.
Embodiment two：A kind of silencing apparatus of boiler exhaust mouth, as shown in Figure 5 and Figure 6, the present embodiment and embodiment one
Difference is that the installation site of air guide channel 3 is different.In the present embodiment, air guide channel 3 and the pot being installed on noise elimination housing 2
The axis of fire grate QI KOU 1 is orthogonal.Simultaneously the one end of first press strip 41 is supported on deflector 5 in noise elimination housing 2, and the other end is supported and set
In the medial wall of noise elimination housing 2.
Using this scheme, direction shown in flue gas along arrow in Fig. 5 is discharged.In some boiler plants, boiler exhaust
Passage is arranged on the side of boiler, if flue gas is directly discharged and working environment may be polluted from side, it is also possible to right
Operator damage.Originally the flue gas discharged from side is led further to discharge outdoor, it is to avoid hidden danger.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of silencing apparatus of boiler exhaust mouth, including being arranged at boiler exhaust mouth（1）Noise elimination housing（2）, the noise elimination
Housing（2）On be additionally provided with and boiler exhaust mouth（1）The air guide channel of connection（3）, it is characterised in that：The noise elimination housing（2）
Inwall fixes quieter material layer（4）, in noise elimination housing（2）Inside just to boiler exhaust mouth（1）Position fixation by quieter material system
Into deflector（5）.
2. silencing apparatus of boiler exhaust mouth according to claim 1, it is characterised in that：In quieter material layer（4）With lead
Stream plate（5）Outer side covers have with housing fix fixed guard（6）.
3. silencing apparatus of boiler exhaust mouth according to claim 2, it is characterised in that：In guard (6) if outside is set up
Dry fixed strip, some fixed strips include being located at quieter material layer（4）On the first press strip（41）, positioned at deflector（5）On
Two press strips（51）.
4. silencing apparatus of boiler exhaust mouth according to claim 3, it is characterised in that：Two the first press strips（41）With one
Individual second press strip（51）Connect and compose U-shaped, the first press strip（41）It is arranged at quieter material layer（4）And guard (6) between, one end is supported
Located at deflector（5）, the other end is to located at noise elimination housing（2）On, the second press strip (51) is positioned at deflector（5）On guard (6)
Outside.
5. silencing apparatus of boiler exhaust mouth according to claim 1, it is characterised in that：The air guide channel（3）With pot
Fire grate QI KOU（1）Coaxially arranged or axis is mutually perpendicular to.
6. silencing apparatus of boiler exhaust mouth according to claim 1, it is characterised in that：Noise elimination housing（2）By flange
（7）With boiler exhaust mouth（1）It is fixed.
7. silencing apparatus of boiler exhaust mouth according to claim 1, it is characterised in that：The air guide channel (3) away from
Ring flange (31) is set up in one end of noise elimination housing (2).
8. silencing apparatus of boiler exhaust mouth according to claim 1, it is characterised in that：The quieter material layer（4）For
Silencing cotton.
9. silencing apparatus of boiler exhaust mouth according to claim 8, it is characterised in that：The silencing cotton is glass fibre
One kind in acoustical cotton or foamed aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182712.0U CN206176329U (en) | 2016-10-27 | 2016-10-27 | Noise eliminator of boiler gas vent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182712.0U CN206176329U (en) | 2016-10-27 | 2016-10-27 | Noise eliminator of boiler gas vent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206176329U true CN206176329U (en) | 2017-05-17 |
Family
ID=58683071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182712.0U Expired - Fee Related CN206176329U (en) | 2016-10-27 | 2016-10-27 | Noise eliminator of boiler gas vent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206176329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI667980B (en) * | 2017-06-07 | 2019-08-11 | 邱於正 | High-temperature cooker |
| CN110319575A (en) * | 2018-03-28 | 2019-10-11 | 芜湖美的厨卫电器制造有限公司 | Outdoor gas water heater |
-
2016
- 2016-10-27 CN CN201621182712.0U patent/CN206176329U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI667980B (en) * | 2017-06-07 | 2019-08-11 | 邱於正 | High-temperature cooker |
| CN110319575A (en) * | 2018-03-28 | 2019-10-11 | 芜湖美的厨卫电器制造有限公司 | Outdoor gas water heater |
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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 |
Granted publication date: 20170517 |