CN206556093U - Smoke exhaust silencer - Google Patents
Smoke exhaust silencer Download PDFInfo
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- CN206556093U CN206556093U CN201720158331.7U CN201720158331U CN206556093U CN 206556093 U CN206556093 U CN 206556093U CN 201720158331 U CN201720158331 U CN 201720158331U CN 206556093 U CN206556093 U CN 206556093U
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Abstract
The utility model discloses smoke exhaust silencer, belong to noise elimination technique field, aim to provide a kind of not easy-adhesion oil smoke and can effectively reduce the smoke exhaust silencer of noise, its drip irrigation device is, including housing, air inlet and air outlet, side in housing close to air inlet is provided with the zinc-plated iron frame one vertical with wind direction, stainless steel cloth is provided with zinc-plated iron frame one, perforated plate is provided with housing, it is provided with perforated plate on sound absorbing layer, perforated plate and sound absorbing layer and is provided with not viscous oil layer, viscous oil layer is not UGT nanometer layers or Teflon layer.
Description
Technical field
The utility model belongs to silencing equipment, more particularly to smoke exhaust silencer.
Background technology
With the raising of people's material and culture level, smoke exhaust has become the necessity of family life, and mist extractor
The noise problem of machine is also increasingly taken seriously, especially the relatively large smoke exhaust of catering industry, is produced during work very big
Noise, because the smoke exhaust of the eating and drinking establishment complaint event that disturbs residents also happens occasionally.
Chinese patent CN204513511U discloses the noiseless smoke exhaust ventilator of low pressure energization that a kind of family kitchen is used, including
Lampblack absorber spiral case, low pressure electrifying system, sound-attenuating system component, the inside of the lampblack absorber spiral case are provided with wind wheel, the wind wheel
Left side be connected with lubricating cup and screen pack, the lubricating cup, screen pack are arranged on the sky of lampblack absorber spiral case inside center axle upper surface
In chamber, Inlet muffler is provided with by the upper surface of sound-attenuating system component and pipeline end face outside is connected with vertical outlet silencing
Utensil has preferable soundproof effect, but this sound-attenuating system is arranged on the noiseless smoke exhaust ventilator inside smoke exhaust ventilator so that need
Integral replacing smoke exhaust is wanted to can be only achieved the purpose of noise elimination.
Although the pipeline silencer of prior art only need to additional silencer be that can reach on the basis of original smoke exhaust
Noise elimination is acted on, and reduces cost, but when a large amount of oil smoke can be sticked on the inside and outside wall of silencer by silencer, it is difficult to remove
Fall, it is necessary to which professional person is unpicked and washed, after being otherwise used for a long time, erasure effect reduction, mechanicalness noise increases.
Utility model content
The purpose of this utility model is to provide smoke exhaust silencer, with not easy-adhesion oil smoke, effectively reduces noise
Effect.
Above-mentioned technical purpose of the present utility model technical scheme is that：Smoke exhaust silencer,
Including housing, air inlet and air outlet, the side on the housing close to air inlet are provided with the zinc-plated chase vertical with wind direction
It is provided with frame one, the zinc-plated iron frame one on stainless steel cloth, the housing and is provided with the perforation parallel with air intake direction
Plate, is provided with sound absorbing layer, the perforated plate and sound absorbing layer between the perforated plate and housing and is provided with and not viscous oil layer, institute
The not viscous oil layer stated is UGT nanometer layers or Teflon layer.
By above-mentioned technical proposal, when oil smoke is by the stainless steel cloth that is arranged in zinc-plated iron frame one by thick
Filter, reduces pollution of the oil smoke to outdoor air, and decreases larger smoke particle and be attached on perforated plate, causes to wear
The situation of the Use Limitation reduction of orifice plate, while playing a part of protection to filter below；By through plate to sound wave
Reflected, acoustic energy is converted into heat energy by friction and damping action of the sound absorbing layer set in perforated plate to sound wave, is reached and is disappeared
The purpose of sound, especially centering, high-frequency noise eradicating efficacy are obvious；And by being provided with not on perforated plate and sound absorbing layer
Viscous oil layer, oil droplet is assembled on not viscous oil layer, smooth under gravity to slide, and has effectively blocked oil droplet to penetrate into sound absorbing layer,
And then prevent from making because of sound absorbing layer oil suction the reduction of its sound-absorbing effect, noise increase the occurrence of, but also suction can be reduced
The insecurity caught fire after sound-absorbing layer oil suction in the presence of high-temperature flue gas.
Wherein, UGT nanometer layers can be as not viscous oil layer, and UGT nanometer layers are by nano-titanium oxide VK-T30, nano aluminium oxide
A kind of multifunctional nano layer of the compositions such as VK-L30, nano zircite VK-R20, with grease proofing effect, when oil droplet drips to UGT
During the object of nanometer layer covering, it will not adhere to or infiltrate, but be slid in the presence of self gravitation, play and do not glue well
The effect of attached oil droplet, in addition UGT nanometer layers can be good at being attached to metal surface, with acid and alkali-resistance, erosion-resisting effect,
UGT nanometer layers have the effect of waterproof, and reduction rainwater enters in housing the corrosion for causing housing and internals, and UGT
Nanometer layer has good heat-blocking action, reduces fire-hazardous danger of the high-temperature oil smoke by sound absorbing layer, also can by Teflon
It is enough to produce the effect for not adhering to oil smoke, and with very low coefficient of friction, only between 0.05-0.15, oil droplet is easy above
In being slid naturally by gravity, and with obvious heat endurance, be not easy at low temperature it is brittle, come off.
Further, porous acoustic element is provided with described housing, the two ends of the porous acoustic element are connected to perforation
On plate, not viscous oil layer is provided with the porous acoustic element.
By above-mentioned technical proposal, when air-flow is by porous acoustic element, flow velocity is weakened by diffusion so that radiated noise
Remitted its fury, and air-flow repeatedly passes in and out porous sound eliminator, can eliminate pneumatic noise in wider frequency band range, improves noise elimination
Effect, and porous acoustic element is staggered in smoke exhaust silencer, extends the transmission path of sound wave, improves sound wave
Reflection and interference effect, coordinate with perforated plate and sound absorbing layer, to obtain the soundproof effect in high, medium and low frequency range simultaneously.
Further, zinc-plated iron frame two, the zinc-plated chase are being connected with close to air outlet side on described housing
Frame two is removably mounted on housing, and polypropylene filter net, described poly- third are provided with the zinc-plated iron frame two
The aperture of alkene screen pack is less than the aperture of stainless steel cloth.
By above-mentioned technical proposal, there is the polypropylene filter net of more small-bore by being arranged in zinc-plated iron frame two,
Realize to the secondary filter of oil smoke, polypropylene filter net have be difficult under preferable oil absorption, oil smoke state it is completely plugged, favorably
It is sufficiently separated in oil smoke, fume purifying rate can be improved, efficiently reduces the pollution to outdoor air, and polypropylene filter
Net because loose structure also have noise elimination act on, improve the soundproof effect of smoke exhaust silencer, by zinc-plated iron frame two with
Dismountable mode is arranged on smoke exhaust silencer, is easy to clean the polypropylene filter net blocked after long-term use
Or change, reduce operation expense.
Further, multiple threaded rods being threaded on housing are provided with described zinc-plated iron frame two,
Sealing rubber pad one is provided between the zinc-plated iron frame two and housing.
By above-mentioned technical proposal, zinc-plated iron frame two is threaded on smoke exhaust silencer by threaded rod,
Zinc-plated iron frame two can be pulled down from housing by dismantling threaded rod, then from the polypropylene filter net cleaning for being about to pull down
, it is not necessary to professional person, maintenance cost is reduced, and sealing, zinc-plated chase are improved by sealing rubber pad one
Between frame two and housing, reduce soot gas and leaked out without polypropylene filter net.
Further, it is connected with described zinc-plated iron frame two on multiple buckles, the housing and is provided with buckle phase
The grab matched somebody with somebody, sealing rubber pad two is provided between the zinc-plated iron frame two and housing.
, can be easily by the zinc-plated row of being connected to of iron frame two by the cooperation of buckle and grab by above-mentioned technical proposal
Pulled down on lampblack absorber silencer or from silencer, be easy to clean the polypropylene filter net blocked after long-term use or more
Change, reduce operation expense, and sealing is improved by sealing rubber pad two, reduce soot gas leakage.
Further, described sound absorbing layer is sound-absorbing spongy layer or glass-magnesium rockwool layer.
By above-mentioned technical proposal, it is each filled with small spaces by sound-absorbing spongy layer and glass-magnesium rockwool layer and can absorbs largely
Acoustic wave energy, makes SATT, and with good sound absorption qualities, glass-magnesium rockwool layer is except with good sound-absorbing sound insulation value
Outside, can be as the preferred of smoke exhaust sound absorbing layer also with good waterproof, high temperature resistant and fire resistance.
Further, described perforated plate at least 1, the punching rate of the perforated plate is 2 ~ 5%.
By above-mentioned technical proposal, by 2 ~ 5% punching rate, the flowing resistance of the too small caused air-flow of punching rate is reduced
Power loss increase, and cause the excessive situation of lampblack absorber power loss to occur, and also the perforation that punching rate is 2 ~ 5% is with preferable
Erasure effect, the soundproof effect of smoke exhaust silencer can also be improved by multiple perforated plates.
In summary, the utility model has the advantages that：
Sound is made by the layer of the sound-absorbing spongy layer or glass-magnesium rockwool with loose structure set on perforated plate and perforated plate
Energy decays, with good sound absorption qualities, coordinate the porous acoustic element on perforated plate that is staggered, extend sound wave
Transmission path, improves reflection and the interference effect of sound wave, is effectively reduced noise；
The UGT nanometer layers or Teflon layer of oil are not adhered to by being set on perforated plate, sound absorbing layer and porous acoustic element, is made
Obtain oil droplet naturally to fall, effectively block oil droplet to penetrate into sound absorbing layer, and then prevent from making its sound-absorbing because of sound absorbing layer oil suction
Effect reduce, noise increase the occurrence of；
Coarse filtration and polypropylene filter net secondary filter are passed through by stainless steel cloth, are conducive to oil smoke to be sufficiently separated, effectively
Avoid outdoor pollution；
The zinc-plated row of being removably mounted at of iron frame two is caused by the cooperation of threaded rod or buckle and grab
On lampblack absorber silencer, it is easy to that the polypropylene filter net blocked after long-term use is cleaned or changed, reduces operation dimension
Protect cost.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of smoke exhaust silencer in embodiment 1；
Fig. 2 is the right view of smoke exhaust silencer in embodiment 1；
The profile that Fig. 3 is A-A in Fig. 2；
Fig. 4 is the annexation schematic diagram for being used in embodiment 1 embody sound absorbing layer and not viscous oil layer；
Fig. 5 is the annexation schematic diagram for being used to embody perforated plate and not viscous oil layer in embodiment 1；
Fig. 6 is the annexation schematic diagram for being used to embody porous acoustic element and not viscous oil layer in embodiment 1；
Fig. 7 is the external structure schematic diagram of smoke exhaust silencer in embodiment 2；
Fig. 8 is the right view of smoke exhaust silencer in embodiment 2；
The profile that Fig. 9 is B-B in Fig. 8.
In figure, 1, housing；2nd, air inlet；3rd, air outlet；4th, zinc-plated iron frame one；41st, stainless steel cloth；42nd, galvanized iron
Framework two；43rd, polypropylene filter net；5th, perforated plate；51st, not viscous oil layer；52nd, sound absorbing layer；6th, threaded rod；61st, sealing rubber pad
One；7th, buckle；71st, grab；72nd, sealing rubber pad two；8th, porous acoustic element.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：Smoke exhaust silencer, as shown in Figure 1,2 and 3, including housing 1, air inlet 2 and air outlet 3, housing
Zinc-plated iron frame 1 is provided with 1, zinc-plated iron frame 1 is located at one end of air inlet 2, and zinc-plated iron frame 1 has preferable
Stainless steel cloth 41, the side of stainless steel cloth 41 are fixedly connected with intensity and excellent anticorrosion ability, zinc-plated iron frame 1
To vertical with air intake direction, the aperture of stainless steel cloth 41 is 20-60 mesh, and dust containing capacity is big, and resistance is small, 41 pairs of oil of stainless steel cloth
Cigarette carries out coarse filtration, reduces larger smoke particle and enters inside silencer.
As shown in figure 3, perforated plate 5 is equipped with the inwall of housing 1, and perforated plate 5 at least 1, in the present embodiment, perforation
Plate 5 is provided with two, and respectively above and below housing 1, smoke exhaust silencer can also be improved by multiple perforated plates 5
Soundproof effect, the punching rate of perforated plate 5 is 2 ~ 5% punching rate, the loss caused in reduction to the flow resistance of air-flow it is same
When reach preferable erasure effect.Perforated plate 5 is parallel with wind direction, and sound absorbing layer 52 is provided between perforated plate 5 and housing 1,
Sound absorbing layer 52 can be sound-absorbing spongy layer or glass-magnesium rockwool layer, and the present embodiment is using glass-magnesium rockwool layer, porous glass-magnesium rockwool layer
A large amount of acoustic wave energies can be absorbed, make SATT, sound absorption qualities are good.
As shown in Figures 4 and 5, not viscous oil layer 51, UGT nanometer layers or Teflon are provided with perforated plate 5 and glass-magnesium rockwool layer
Imperial layer can be as not viscous oil layer 51, and the present embodiment uses UGT nanometer layers, with good not viscous oil characteristic, when oil smoke passes through
When on perforated plate 5 or glass-magnesium rockwool layer, freely slid after oil droplet rapid condensation, reduce oil smoke and be excessively attached to perforated plate 5
On, the situation generation for causing perforated plate 5 to block and causing Use Limitation to reduce, and prevent glass-magnesium rockwool layer oil suction and inhale it
Audio fruit reduce, noise increase the occurrence of, additionally it is possible to reduce glass-magnesium rockwool layer oil suction after in the presence of high-temperature flue gas
And fire-hazardous insecurity.
As shown in figs. 3 and 6, multiple porous acoustic elements 8 are provided with housing 1, porous acoustic element 8 is staggered positioned at shell
On the perforated plate 5 of the upper and lower surface of body 1, by the setting of porous acoustic element 8, disappearing for smoke exhaust silencer is improved
Audio fruit.Meanwhile, stainless steel cloth 41 to oil smoke is rough and careless by also improving larger smoke particle to porous acoustic element 8 and wearing
The generation that orifice plate 5 is blocked, extends both useful life.
As shown in Figure 1,2 and 3, zinc-plated iron frame 2 42, zinc-plated iron frame 2 42 are connected with air outlet 3 in housing 1
On be provided with multiple threaded rods 6, zinc-plated iron frame 2 42 is threaded on housing 1 by threaded rod 6, zinc-plated iron frame 2 42
Sealing rubber pad 1 is provided between housing 1 to improve sealing between the two, reduces soot gas leakage, galvanized iron
Polypropylene filter net 43 is provided with framework 2 42, polypropylene filter net 43 has to be difficult under preferable oil absorption, oil smoke state
It is completely plugged, be conducive to oil smoke to be sufficiently separated, fume purifying rate can be improved, be effectively prevented from outdoor pollution.And poly- third
Alkene screen pack 43 also there is noise elimination to act on because of loose structure, the soundproof effect of perforated plate 5 and sound absorbing layer 52 be addition of, when using one
Zinc-plated iron frame 2 42 can be pulled down from housing 1 conveniently by dismounting threaded rod 6 after the section time, then by poly- third
Alkene screen pack 43 is cleaned, it is not necessary to professional person, reduces maintenance cost.
Embodiment 2：Smoke exhaust silencer, as shown in FIG. 8 and 9, is, zinc-plated chase with the difference of embodiment 1
Multiple buckles 7 are connected with frame 2 42, the present embodiment is to be provided with the grab 71 matched with buckle 7 outside 4, housing 1, zinc-plated
Sealing rubber pad 2 72 is provided between iron frame 2 42 and housing 1, is coordinated by buckle 7 with grab 71, can be by galvanized iron
Framework 2 42 is pulled down from housing 1, is convenient to the cleaning and replacing of polypropylene filter net 43, and sealing rubber pad 2 72 is improved
Seal between zinc-plated iron frame 2 42 and housing 1, it is to avoid filtering of the flue gas without polypropylene filter net 43 and overflow dirt
Contaminate air.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (7)
1. close to air inlet on smoke exhaust silencer, including housing (1), air inlet (2) and air outlet (3), the housing (1)
(2) side is provided with the zinc-plated iron frame one (4) vertical with wind direction, the zinc-plated iron frame one (4) and is provided with stainless steel
Silk screen (41), it is characterized in that：The perforated plate (5) parallel with air intake direction, the perforated plate (5) are provided with the housing (1)
It is provided with sound absorbing layer (52), the perforated plate (5) and sound absorbing layer (52) and is provided with and not viscous oil layer between housing (1)
(51), described not viscous oil layer (51) is UGT nanometer layers or Teflon layer.
2. smoke exhaust silencer according to claim 1, it is characterized in that：It is provided with the housing (1) multiple porous
Acoustic element (8), the porous acoustic element (8) is connected on perforated plate (5) and staggeredly set between adjacent porous acoustic element (8)
Put, not viscous oil layer (51) is provided with the porous acoustic element (8).
3. smoke exhaust silencer according to claim 1, it is characterized in that：Close to air outlet (3) on the housing (1)
Side is connected with zinc-plated iron frame two (42), and the zinc-plated iron frame two (42) is removably mounted on housing (1),
Polypropylene filter net (43) is provided with the zinc-plated iron frame two (42), the aperture of the polypropylene filter net (43) is less than not
The aperture of rust steel wire (41).
4. smoke exhaust silencer according to claim 3, it is characterized in that：It is provided with the zinc-plated iron frame two (42)
Multiple threaded rods (6) being threaded on housing (1), are set between the zinc-plated iron frame two (42) and housing (1)
There is sealing rubber pad one (61).
5. smoke exhaust silencer according to claim 3, it is characterized in that：It is connected with the zinc-plated iron frame two (42)
Be provided with the grab (71) that buckle (7) matches on multiple buckles (7), the housing (1), the zinc-plated iron frame two (42) with
Housing is provided with sealing rubber pad two (72) between (1).
6. smoke exhaust silencer according to claim 1, it is characterized in that：The sound absorbing layer (52) be sound-absorbing spongy layer or
Glass-magnesium rockwool layer.
7. smoke exhaust silencer according to claim 1, it is characterized in that：The punching rate of the perforated plate (5) is 2 ~ 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158331.7U CN206556093U (en) | 2017-02-21 | 2017-02-21 | Smoke exhaust silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158331.7U CN206556093U (en) | 2017-02-21 | 2017-02-21 | Smoke exhaust silencer |
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| Publication Number | Publication Date |
|---|---|
| CN206556093U true CN206556093U (en) | 2017-10-13 |
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ID=60360130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720158331.7U Active CN206556093U (en) | 2017-02-21 | 2017-02-21 | Smoke exhaust silencer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571619A (en) * | 2018-05-28 | 2018-09-25 | 珠海格力电器股份有限公司 | A kind of valve, kitchen ventilator special service valve and range hood for ventilation pipe |
| CN108612880A (en) * | 2018-05-28 | 2018-10-02 | 珠海格力电器股份有限公司 | Kitchen ventilator check-valves and kitchen ventilator |
| CN110206761A (en) * | 2018-10-19 | 2019-09-06 | 华帝股份有限公司 | Composite broadband silencer for range hood and range hood |
| CN111750393A (en) * | 2019-03-29 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Fume exhauster |
| CN116511917A (en) * | 2023-04-28 | 2023-08-01 | 湖北兰荀环保工程有限公司 | Impedance composite muffler and production line thereof |
-
2017
- 2017-02-21 CN CN201720158331.7U patent/CN206556093U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571619A (en) * | 2018-05-28 | 2018-09-25 | 珠海格力电器股份有限公司 | A kind of valve, kitchen ventilator special service valve and range hood for ventilation pipe |
| CN108612880A (en) * | 2018-05-28 | 2018-10-02 | 珠海格力电器股份有限公司 | Kitchen ventilator check-valves and kitchen ventilator |
| CN108612880B (en) * | 2018-05-28 | 2024-03-29 | 珠海格力电器股份有限公司 | Range hood check valve and range hood |
| CN110206761A (en) * | 2018-10-19 | 2019-09-06 | 华帝股份有限公司 | Composite broadband silencer for range hood and range hood |
| CN111750393A (en) * | 2019-03-29 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Fume exhauster |
| CN116511917A (en) * | 2023-04-28 | 2023-08-01 | 湖北兰荀环保工程有限公司 | Impedance composite muffler and production line thereof |
| CN116511917B (en) * | 2023-04-28 | 2023-09-19 | 湖北兰荀环保工程有限公司 | Impedance composite muffler and production line thereof |
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