CN108488985A - Effectively reduce the air exhausting soundproofing device of fume pollution - Google Patents
Effectively reduce the air exhausting soundproofing device of fume pollution Download PDFInfo
- Publication number
- CN108488985A CN108488985A CN201810560933.4A CN201810560933A CN108488985A CN 108488985 A CN108488985 A CN 108488985A CN 201810560933 A CN201810560933 A CN 201810560933A CN 108488985 A CN108488985 A CN 108488985A
- Authority
- CN
- China
- Prior art keywords
- air
- oil
- silencer
- soundproofing device
- mask
- 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.)
- Granted
Links
- 239000003517 fume Substances 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 45
- 230000003584 silencer Effects 0.000 claims abstract description 42
- 230000030279 gene silencing Effects 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 239000004519 grease Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000008030 elimination Effects 0.000 claims abstract description 9
- 238000003379 elimination reaction Methods 0.000 claims abstract description 9
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005034 decoration Methods 0.000 abstract description 2
- 230000009102 absorption Effects 0.000 description 35
- 239000007789 gas Substances 0.000 description 13
- 239000000779 smoke Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
Abstract
A kind of reasonable air exhausting soundproofing device for utilizing space, keeping building external decoration U.S. and effective reduction fume pollution of silencing equipment service life being extended.Including ventilation shaft, wind turbine, air filter and absorption of noise silencing equipment.Silencing equipment and air filter are placed in Different Plane and water conservancy diversion oil collecting zone of the setting with flow deflector between silencing equipment and air filter, so that the air exhausting soundproofing device greatly improves the elimination ability of the greasy dirt in waste and old air, simultaneously, also further grease proofing blowdown is taken to improve the silencer in silencing equipment, again so that it not only further increases the ability of oil extraction dirt, but also pollution of the greasy dirt to silencer is reduced, avoid the noise elimination function of silencer from declining.Ventilation shaft uses " L " shape, but also it can rationally utilize building exterior space, it is ensured that the layout when ventilation shaft extends to outside building is beautiful.Due to the raising of oil extraction dirt ability, also greatly improve necessarily the service life of the silencer in the air exhausting soundproofing device.
Description
Technical field
The present invention relates to a kind of large-scale fume exhaust device, more particularly to a kind of oil smoke discharging devices with silencer.
Background technology
Nowadays it is fitted with air exhausting device in many commercial real estates, restaurant and industrial premises, oil smoke can be contained in interior
The exhaust gas discharge of (oil smoke for including the oil smoke of culinary art generation and industrial electric welding generation), such air exhausting device includes air mistake
Filter 4 and the silencer 7 (shown in Figure 1) for absorbing the noise generated by wind turbine 3.
Such air exhausting device be mounted on annex on, this kind of air exhausting device in the prior art by linear ventilation shaft 2,
Wind turbine 3, filter and silencer 7 are constituted, in general, ventilation shaft 2 stretches out outdoor using the horizontal mode of horizontal direction.
The assembling structure of the air exhausting device is：Wind turbine 3 is installed on the air inlet 11 of ventilation shaft 2 and indoor joint,
Filter is mounted on the position after wind turbine 3 in ventilation shaft 2, and silencer 7 is mounted between filter and air outlet 12
Between, the indoor gas arranged passes through filter and silencer 7 to be discharged into outdoor by air outlet 12, and around here, filter can be by air
In filtering oil smoke and make these oil smoke formed oil droplet fall into oil collection box.
But above structure exists following insufficient：
1, since the silencer using the silencer of only single layer sound absorption mask and is placed in and filter air draft
Therefore lower air port of the mouth in same plane is directly entered muffler section, time through not filtering clean oil smoke after filter
Long, fume molecules can enter the sound absorption mask of silencer, then block the perforated plate on sound absorption mask, some fume molecules are logical
It crosses in the sound absorber that perforated plate intrusion is wrapped in sound absorption mask, seriously affects the anti-acoustic capability of silencer.
2, it due to space constraints, is directly stretched out outside building using linear ventilation shaft, hinders the extraneous adornment of building
It is beautiful.
Invention content
The technical problem to be solved in the present invention is to provide one kind using space, holding building external decoration U.S. and can rationally extend
Effective air exhausting soundproofing device for reducing fume pollution of silencing equipment service life.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
Effective air exhausting soundproofing device for reducing fume pollution of the present invention, includes the ventilation of guiding room air directed flow
Pipeline, the interior noise elimination that wind turbine, air filter and absorption of noise are sequentially installed with by its air inlet to air outlet of ventilation shaft are set
It is standby, it is characterised in that：The ventilation shaft is " L " shape, the wind turbine, sky by the pipeline shape of the air inlet to air outlet
Air filter is set in turn in the transverse part of " L " shape, the silencing equipment be mounted on the vertical part of " L " shape and positioned at air filter it
The position of top, the angular space between silencing equipment and air filter are that air-flow is guided to turn to and collect the water conservancy diversion collection of oil droplet
Oily area, if having dry plate using the flow deflector of interval stacked manner setting in the water conservancy diversion oil collecting zone and collecting the oil collection box of oil droplet,
The flow deflector leads the air-flow direction that filter is discharged upwards turns 90-120 degree to be parallel to the noise elimination in silencing equipment
The mode of device sound absorption mask passes through the silencing equipment and is discharged by the air outlet.
The section configuration of the flow deflector is arc.
The silencing equipment is array silencing equipment, strip-type silencer or circular muffler with multiple silencers.
The silencer is the silencer of the double-deck mask, the silencer be respectively from the inside to the outside sound absorber, sound absorption mask and
Grease proofing mask, grease proofing mask is made by metallic plate, is uniformly provided with several apertures thereon slightly larger than the sound-absorbing hole on sound absorption mask
The sound absorption oil-through hole in aperture, grease proofing mask inner wall and sound absorption mask between formed one can be lowered into air gas therein
The flowing velocity of stream catches oily space, this catches the radial distance in oily space in 0.5-30mm.
The bottom of the silencer be equipped with the collection chamber caught oily space and communicated, be equipped with out in the collection chamber bottom
Fuel tap.
The shape of the sound absorption oil-through hole is the isosceles trapezoid hole of circular hole, rectangular opening, equilateral triangle hole or strip.
Neighbouring two layers of sound absorption oil-through hole face setting or neighbouring two layers of the sound absorption oil-through hole
It shifts to install.
The sound absorption oil-through hole is plain through holes or the sound absorption oil-through hole is the perforation with water conservancy diversion edge.
Silencing equipment therein is placed in Different Plane with air filter and eliminated the noise by the air exhausting soundproofing device of the present invention
Setting is equipped with the structure of the water conservancy diversion oil collecting zone of flow deflector between equipment and air filter so that the air exhausting soundproofing device is to useless
The elimination ability of greasy dirt in old air greatly improves, meanwhile, the silencer in silencing equipment is also taken further grease proofing
Blowdown improves, and it is made not only to further increase the ability of oil extraction dirt, but also reduces pollution of the greasy dirt to silencer, avoids
The noise elimination function of silencer declines.Ventilation shaft in the air exhausting soundproofing device uses " L " shape, but also it can rationally utilize building
Space exterior space, it is ensured that the layout when ventilation shaft extends to outside building is beautiful.Due to the raising of oil extraction dirt ability, also necessarily make
The service life of silencer in the air exhausting soundproofing device greatly improves.
Description of the drawings
Fig. 1 is the schematic diagram of air exhausting soundproofing device in the prior art.
Fig. 2 is the schematic diagram of the air exhausting soundproofing device of the present invention.
Fig. 3 is the enlarged diagram of the silencing equipment in Fig. 1.
Fig. 4 is the portions A enlarged diagram in Fig. 3.
Fig. 5 is that the sound absorption oil-through hole of grease proofing mask in Fig. 4 carries the schematic diagram of interior lateral margin.
Reference numeral is as follows：
Air exhausting soundproofing device 1, air inlet 11, air outlet 12, ventilation shaft 2, transverse part 21, vertical part 22, wind turbine 3, air mistake
Filter 4, water conservancy diversion oil collecting zone 5, flow deflector 51, oil collection box 52, draining valve 53, silencing equipment 6, silencer 7, sound absorber 71, sound absorption
Mask 72, kuppe 73, sound-absorbing hole 74, grease proofing mask 8, catch oily space 81, sound absorption oil-through hole 82, water conservancy diversion edge 83, collection chamber 84,
Internal gas flow 85, outer gas stream 86, oil droplet 87.
Specific implementation mode
As shown in Fig. 2, effective air exhausting soundproofing device 1 for reducing fume pollution of the present invention is by carrying air inlet 11 and outlet air
Ventilation shaft 2, the wind turbine 3 in the ventilation shaft 2, air filter 4 and the silencing equipment 6 of mouth 12 are constituted.
It is adapted to mount to the air draft system that indoor waste and old air is discharged into outdoor of commercial real estate, restaurant and industrial premises
In system.
1, ventilation shaft 2
Ventilation shaft 2, which mainly guides, indoor waste and old air guided to be flowed to air outlet 12 by air inlet 11 and is discharged into outdoor
In air, the section configuration of the ventilation shaft 2 can be conventional rectangle or circle, can by stainless steel, carbon steel, organic glass or
Fiberglass is made.
Its main feature is that its entire shape is L-shaped, i.e., it consists of two parts, respectively (the following letter of transverse part 21 of " L " shape
Claim transverse part 21) and " L " shape vertical part 22 (hereinafter referred to as vertical part 22), vertical part 22 is located on transverse part 21.
Air inlet 11, wind turbine 3, air filter 4 are disposed with by its head end to tail end in transverse part 21 and collect oil droplet
87 water conservancy diversion oil collecting zone 5,4 place section of air filter use flanged joint between segments with water conservancy diversion oil collecting zone 5.
Water conservancy diversion oil collecting zone 5 is a turning, and transverse part 21 and vertical part 22 are linked together.
The silencing equipment 6 and air outlet 12 are set in turn in vertical part 22,6 place section of silencing equipment and water conservancy diversion from the bottom to top
5 place section of oil collecting zone passes through flanged joint.
If the setting dry plate flow deflector 51 in water conservancy diversion oil collecting zone 5, flow deflector 51 is thick made of stainless steel, aluminium or titanium
The cambered surface piece in 0.8-5mm is spent, section configuration is arc line shaped, and camber line is dehisced towards air filter 4 and silencing equipment 6
The middle section position (by taking Fig. 2 as an example, towards the upper right Angle Position of water conservancy diversion oil collecting zone 5) of line, width and the water conservancy diversion collection of flow deflector 51
The lateral depth in oily area 5 is adapted to, and central angle is 60-120 degree, if dry plate flow deflector 51 is from top to bottom spaced stacked setting, i.e.,
The gas channel of 10-300mm spacing is formed between adjacent two panels flow deflector 51.
There are two effects for the water conservancy diversion oil collecting zone 5：First, being that the air-flow direction that will be discharged by air filter 4 is upward
It leads and turns the mode of 90-120 degree and flow, silencer 7 of the air draught in silencing equipment 6 72 surface of mask that absorbs sound flows up
And be discharged by air outlet 12, the size that air-flow direction changes angle dehisces the direction being arranged to determine by the flow deflector 51；
Second, being to collect the oil droplet 87 to be dropped down by gravity in the gas flowed up.
It is equipped with oil collection box 52 in the bottom of the water conservancy diversion oil collecting zone 5, oil collection box 52 tilts down setting, in the low of oil collection box 52
Draining valve 53 is arranged in hollow region.
2, silencing equipment 6
As in Figure 3-5, silencing equipment 6 of the invention can array silencing equipment 6 (array silencing equipment 6 is by more
A independent silencer 7 is by setting aligned transfer) or strip-type silencer 7 or circular muffler 7.
In general, silencer 7 is by flange, kuppe 73, sound absorption mask 72, sound-absorbing material (also referred to as sound absorber 71) and holder
Composition.Kuppe 73 mainly plays air flow guiding, reduces the effect of air drag, kuppe 73 can by stainless steel, titanium, aluminium,
All kinds of carbon steel materials are made, and are hollow shell, there is the various shapes such as hemispherical, rectangular, taper, wedge shape.
The size of kuppe 73 determines that radius is in 50-500mm, and thickness is in 1-10mm according to the size of silencer 7.
Sound absorption mask 72 is main to be play a part of to protect sound-absorbing material, and can rainwater-proof.Mask can be by stainless steel, titanium, aluminium
Material, all kinds of carbon steel materials are made, thickness 0.8-10mm.
Sound-absorbing material (also known as sound absorber 71) mainly plays absorption of noise, can be mineral wool, rock wool or other sound absorptions
Material.
Currently preferred silencer 7 is the silencer 7 of the double-deck mask, i.e. the silencer 7 is respectively from the inside to the outside and absorbs sound
Body 71, sound absorption mask 72 and grease proofing mask 8, sound absorber 71 and sound absorption mask 72 are structurally and functionally as previously mentioned, grease proofing mask 8
It is made by metallic plate, it is excessively oily slightly larger than the sound absorption in 74 aperture of sound-absorbing hole on sound absorption mask 72 that it is uniformly provided with several apertures thereon
Hole 82.
The bilayer mask refers to sound absorption mask 72 and grease proofing mask 8, that is to say, that is arranged again except the mask 72 that absorbs sound
One cavity being made of sound absorption mask 72 and grease proofing mask 8, which is known as to catch oily space 81, when air draught edge
When grease proofing mask 8 flows up, portion of air flows into this and catches oily space 81, which can be lowered into
The air draught of the space interior (will be known as internal gas flow 85 into the air for catching oily space 81 below, not enter this and catch oil
The air in space 81 is known as outer gas stream 86) flow velocity be contained in internal gas flow 85 due to slowing down for 85 flow velocity of internal gas flow
Oil molecule under gravity, be condensed into oil droplet 87 and fall downwards, to avoid oil molecule be attracted to sound absorption mask 72
Above or entering in sound absorber 71 causes the noise elimination effect of the silencer 7 to decline.
In addition, the grease proofing mask 8 can also be further decreased into the gas flow caught inside oily space 81, i.e., it is to outside
Air-flow 86 plays a primary filter greasy dirt.
Meanwhile grease proofing mask 8 of the invention is mounted on the outside of sound absorption mask 72 using fast assembling disassembling structure, when needs pair
It is safeguarded, when such as cleaning, repairing, it is easy to dismantle, greatly reduce the workload of maintenance personal.
The radial distance in oily space 81 is caught depending on 0.5-30mm, the size of the silencer 7 of the short-sighted use of length of distance.
The present invention is a further improvement is that (collection chamber 84 can for collection chamber 84 there are one being set in the bottom of each silencer 7
Be made of the hollow cavity of the kuppe 73 on silencer 7), the collection chamber 84 with catch oily space 81 and communicate and accept by catching oil
The oil droplet 87 that space 81 is fallen can be by being arranged the delivery valve row in 84 bottom of collection chamber when oil droplet 87 is collected into a certain amount of
Go out or is fallen in the oil collection box 52 described in instilling by being set to the outage of 84 bottom of collection chamber.
The shape of the sound absorption oil-through hole 82 is the isosceles trapezoid hole of circular hole, rectangular opening, equilateral triangle hole or strip.
Neighbouring two layers of 82 face of sound absorption oil-through hole setting or neighbouring two layers of the oil that absorbed sound
Hole 82 shifts to install.
The sound absorption oil-through hole 82 be plain through holes or the sound absorption oil-through hole 82 be with interior lateral margin or lateral border (with
It is lower that interior lateral margin and lateral border are referred to as water conservancy diversion edge 83) perforation.The bootable greasy dirt being deposited on of water conservancy diversion edge 83 is along grease proofing shield
The inner wall or outer wall in face 8 flow downward.
The course of work of the present invention：
Indoor waste and old gas puts into ventilation shaft 2 by wind turbine 3, and a part of oil molecule is removed through air filter 4, then into
Enter water conservancy diversion oil collecting zone 5, silencer 7 is flowed to using the steering of flow deflector 51.During this, greasy dirt can be attached to flow deflector 51,
On the tube wall of the vertical part 22 of ventilation shaft 2 and the grease proofing mask 8 of silencer 7.Due to the effect of gravity, on tube wall and flow deflector 51
On greasy dirt flow downward, come together in lower section oil collection box 52 in.
Across the air draught of silencer 7, a part catches oil by the sound absorption oil-through hole 82 on grease proofing mask 8 into described
Space 81, another part are flowed up along grease proofing mask 8, have greasy dirt molecule to be attached to grease proofing mask 8 in this two parts air
Outer surface on, when institute long-pending oil is dirty more, i.e., flows downward and fallen in the oil collection box 52 along grease proofing mask 8
In.
Claims (8)
1. a kind of effective air exhausting soundproofing device for reducing fume pollution, includes the ventilation shaft of guiding room air directed flow
(2), in ventilation shaft (2) by its air inlet (11) to air outlet (12) be sequentially installed with wind turbine (3), air filter (4) and
The silencing equipment (6) of absorption of noise, it is characterised in that：The ventilation shaft (2) is by the air inlet (11) to air outlet
(12) pipeline shape is " L " shape, and the wind turbine (3), air filter (4) are set in turn in the transverse part (21) of " L " shape, described
Silencing equipment (6) is mounted on the vertical part (22) of " L " shape and the position on the air filter (4), silencing equipment (6) with
Angular space between air filter (4) is to guide air-flow to turn to and collect the water conservancy diversion oil collecting zone (5) of oil droplet (87), is led at this
Oil collecting zone (5) are flowed if using the flow deflector (51) of interval stacked manner setting with dry plate and collecting the oil collection box of oil droplet (87)
(52), the flow deflector (51) leads the air-flow direction that filter is discharged upwards turns 90-120 degree to be parallel to silencing equipment
(6) mode of silencer (7) the sound absorption mask (72) in passes through the silencing equipment (6) and is discharged by the air outlet (12).
2. effective air exhausting soundproofing device for reducing fume pollution according to claim 1, it is characterised in that：The flow deflector
(51) section configuration is arc.
3. effective air exhausting soundproofing device for reducing fume pollution according to claim 2, it is characterised in that：The noise elimination is set
Standby (6) are array silencing equipment, strip-type silencer or circular muffler with multiple silencers (7).
4. effective air exhausting soundproofing device for reducing fume pollution according to claim 3, it is characterised in that：The silencer
(7) be the double-deck mask silencer, which is respectively sound absorber (71), sound absorption mask (72) and grease proofing from the inside to the outside
Mask (8), grease proofing mask (8) is made by metallic plate, is uniformly provided with several apertures thereon slightly larger than on sound absorption mask (72)
The sound absorption oil-through hole (82) in sound-absorbing hole (74) aperture forms one between the inner wall and sound absorption mask (72) of grease proofing mask (8)
The flowing velocity of air draught therein can be lowered into catches oily space (81), which exists
0.5-30mm。
5. effective air exhausting soundproofing device for reducing fume pollution according to claim 4, it is characterised in that：In the noise elimination
The bottom of device (7) be equipped with the collection chamber (84) caught oily space (81) and communicated, collection chamber (84) bottom be equipped with it is fuel-displaced
Valve.
6. effective air exhausting soundproofing device for reducing fume pollution according to claim 4, it is characterised in that：It is described to absorb sound
The shape of oilhole (82) is the isosceles trapezoid hole of circular hole, rectangular opening, equilateral triangle hole or strip.
7. effective air exhausting soundproofing device for reducing fume pollution according to claim 6, it is characterised in that：Neighbouring two
Sound absorption oil-through hole (82) face setting of layer or neighbouring two layers of the sound absorption oil-through hole (82) shift to install.
8. effective air exhausting soundproofing device for reducing fume pollution according to claim 2, it is characterised in that：It is described to absorb sound
Oilhole (82) is plain through holes or the sound absorption oil-through hole (82) is the perforation with water conservancy diversion edge (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560933.4A CN108488985B (en) | 2018-05-25 | 2018-05-25 | Exhaust muffler device capable of effectively reducing oil smoke pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810560933.4A CN108488985B (en) | 2018-05-25 | 2018-05-25 | Exhaust muffler device capable of effectively reducing oil smoke pollution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108488985A true CN108488985A (en) | 2018-09-04 |
| CN108488985B CN108488985B (en) | 2024-04-09 |
Family
ID=63341963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560933.4A Active CN108488985B (en) | 2018-05-25 | 2018-05-25 | Exhaust muffler device capable of effectively reducing oil smoke pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488985B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473088A (en) * | 2018-11-27 | 2019-03-15 | 南京德力通环境科技有限公司 | Three-dimensional silencer |
| CN110595052A (en) * | 2019-09-20 | 2019-12-20 | 武汉源海博创科技有限公司 | Silencer with adjustable and excellent performance adapting to air inlet parameters |
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| CN2498518Y (en) * | 2001-05-23 | 2002-07-03 | 冯鹤皋 | Silenced separated cooker hood |
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| CN2214626Y (en) * | 1994-08-16 | 1995-12-06 | 苏兆忠 | Low noise fume processing machine for restaurant |
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| CN1654885A (en) * | 2004-02-12 | 2005-08-17 | 熊鸿斌 | Oil smoke exhausting and ventilating composite noise eliminator |
| CN203375501U (en) * | 2013-05-26 | 2014-01-01 | 东莞市正幸电器有限公司 | Airflow-balancing low-noise oil fume sucking device |
| US20150315780A1 (en) * | 2014-05-02 | 2015-11-05 | Hwa-Yi Ventilation Co., Ltd. | Low-wind-resistance rainproof silencer for chimney |
| CN207245816U (en) * | 2017-09-12 | 2018-04-17 | 郑州三维内燃机净化消声技术有限公司 | A kind of exhausting silencer structure for internal combustion engine |
| CN208382460U (en) * | 2018-05-25 | 2019-01-15 | 深圳中雅机电实业有限公司 | The air exhausting soundproofing device of fume pollution is effectively reduced |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109473088A (en) * | 2018-11-27 | 2019-03-15 | 南京德力通环境科技有限公司 | Three-dimensional silencer |
| CN110595052A (en) * | 2019-09-20 | 2019-12-20 | 武汉源海博创科技有限公司 | Silencer with adjustable and excellent performance adapting to air inlet parameters |
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