CN208382460U - The air exhausting soundproofing device of fume pollution is effectively reduced - Google Patents
The air exhausting soundproofing device of fume pollution is effectively reduced Download PDFInfo
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- CN208382460U CN208382460U CN201820796415.8U CN201820796415U CN208382460U CN 208382460 U CN208382460 U CN 208382460U CN 201820796415 U CN201820796415 U CN 201820796415U CN 208382460 U CN208382460 U CN 208382460U
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- air
- silencer
- oil
- mask
- soundproofing device
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Abstract
It is a kind of reasonable to utilize space, keep building external decoration beauty and the air exhausting soundproofing device that fume pollution is effectively reduced of silencing equipment service life be extended.Including ventilation shaft, the silencing equipment of blower, air filter and absorption of noise.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, the ability for making it not only further increase oil extraction dirt again, 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 beauty when ventilation shaft extends to outside building.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 utility model relates to a kind of large-scale fume exhaust device, in particular to dress is discharged in a kind of oil smoke with silencer
It sets.
Background technique
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 that oil smoke and the industrial electric welding generated including culinary art generates), such air exhausting device includes air mistake
Filter 4 and the silencer 7 (shown in Figure 1) for absorbing the noise generated by blower 3.
Such air exhausting device is mounted on annex, this kind of air exhausting device in the prior art by linear ventilation shaft 2,
Blower 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 are as follows: blower 3 is installed on the air inlet 11 of ventilation shaft 2 and indoor joint,
Filter is mounted on the position in ventilation shaft 2 after blower 3, and silencer 7 is mounted between filter and air outlet 12
Between, the indoor gas arranged passes through filter and silencer 7 and is 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, and then the perforated plate on blocking 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
Beauty.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of rationally using space, keep building external decoration beauty and can
Extend the air exhausting soundproofing device that fume pollution is effectively reduced of silencing equipment service life.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
The air exhausting soundproofing device that fume pollution is effectively reduced of the utility model, including guidance room air directed flow
Ventilation shaft, ventilation shaft is interior to be sequentially installed with disappearing for blower, air filter and absorption of noise by its air inlet to air outlet
Acoustic equipment, it is characterised in that: the ventilation shaft is L shape, the wind by the pipeline shape of the air inlet to air outlet
Machine, air filter are set in turn in the transverse part of L shape, and the silencing equipment is mounted on the vertical part of L shape and is located at air mistake
Position on filter, the angular space between silencing equipment and air filter are that guidance air-flow turns to and collect oil droplet
Water conservancy diversion oil collecting zone, if having dry plate using the flow deflector of interval stacked manner setting in the water conservancy diversion oil collecting zone and collecting the collection of oil droplet
Oil box, the flow deflector leads the air-flow direction that filter is discharged upwards turns 90-120 degree to be parallel in silencing equipment
The mode of silencer 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 metal 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, air gas therein can be lowered by forming one between the inner wall and sound absorption mask of grease proofing mask
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 catching oily space and communicating, the collection chamber bottom be equipped with
Oil valve.
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.
The air exhausting soundproofing device of the utility model by silencing equipment therein and air filter be placed in Different Plane and
Setting is equipped with the structure of the water conservancy diversion oil collecting zone of flow deflector between silencing equipment and air filter, so that the air exhausting soundproofing device
The elimination ability of greasy dirt in waste and old air is greatly improved, meanwhile, the silencer in silencing equipment is also taken further
Grease proofing blowdown improves, and the ability for making it not only further increase oil extraction dirt, but also reduces pollution of the greasy dirt to silencer,
The noise elimination function of silencer is avoided to decline.Ventilation shaft in the air exhausting soundproofing device uses L shape, but also it can be rationally sharp
With building exterior space, it is ensured that the layout beauty when ventilation shaft extends to outside building.Due to the raising of oil extraction dirt ability, also must
So greatly improve the service life of the silencer in the air exhausting soundproofing device.
Detailed description of the invention
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 utility model.
Fig. 3 is the enlarged diagram of the silencing equipment in Fig. 1.
Fig. 4 is the portion A enlarged diagram in Fig. 3.
Fig. 5 is that the sound absorption oil-through hole of grease proofing mask in Fig. 4 has the schematic diagram of interior lateral margin.
Appended drawing reference is as follows:
Air exhausting soundproofing device 1, air inlet 11, air outlet 12, ventilation shaft 2, transverse part 21, vertical part 22, blower 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, pod 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 embodiment
As shown in Fig. 2, the air exhausting soundproofing device 1 that fume pollution is effectively reduced of the utility model is by having 11 He of air inlet
The ventilation shaft 2 of air outlet 12, the blower 3 being mounted in the ventilation shaft 2, air filter 4 and silencing equipment 6 are constituted.
Its air draft system that indoor waste and old air is discharged into outdoor for being adapted to mount to 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 atmosphere, the section configuration of the ventilation shaft 2 can be conventional rectangle or circle, can by stainless steel, carbon steel, organic glass or
Glass reinforced plastic 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, blower 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 and water conservancy diversion oil collecting zone 5 use flanged joint between segments.
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 dry plate flow deflector 51, the thickness made of stainless steel, aluminium or titanium of flow deflector 51 are arranged in water conservancy diversion oil collecting zone 5
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, the width and 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 airflow 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 by the flow deflector 51 to determine；
Second, being to collect the oil droplet 87 to be dropped down in the gas flowed up by gravity.
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, the silencing equipment 6 of the utility model can array silencing equipment 6 (array silencing equipment 6 is
By multiple independent silencers 7 by setting aligned transfer), it can also be strip-type silencer 7 or circular muffler 7.
In general, silencer 7 is by flange, pod 73, sound absorption mask 72, sound-absorbing material (also referred to as sound absorber 71) and bracket
Composition.Pod 73 mainly plays air flow guiding, reduces the effect of air drag, pod 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 pod 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 mainly plays 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, with a thickness of 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.
The preferred silencer 7 of the utility model is the silencer 7 of the double-deck mask, i.e. the silencer 7 is respectively from the inside to the outside
Sound absorber 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 is made by metal plate, is uniformly provided with suction of several apertures slightly larger than 74 aperture of sound-absorbing hole on sound absorption mask 72 thereon
Sound oil-through 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, thus 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 the use fast assembling disassembling structure of grease proofing mask 8 of the utility model is mounted on the outside of sound absorption mask 72, when need
It is maintained, 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 the length of distance.
The utility model is a further improvement is that be equipped with the (collection chamber of collection chamber 84 in the bottom of each silencer 7
84 can be made of the hollow cavity of pod 73 described on silencer 7), the collection chamber 84 with catch oily space 81 communicate and accept by
The oil droplet 87 that oily space 81 is fallen is caught, it, can be by the way that the fuel-displaced of 84 bottom of collection chamber be arranged in when oil droplet 87 is collected into a certain amount of
Valve discharge or the outage by being set to 84 bottom of collection chamber, which fall, to be instilled in the oil collection box 52.
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 utility model:
Indoor waste and old gas puts into ventilation shaft 2 by blower 3, removes a part of oil molecule through air filter 4, then into
Enter water conservancy diversion oil collecting zone 5, flows to silencer 7 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 into described by the sound absorption oil-through hole 82 on grease proofing mask 8
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 oil accumulation 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 air exhausting soundproofing device that fume pollution is effectively reduced, the ventilation shaft including guiding room air directed flow
(2), in ventilation shaft (2) by its air inlet (11) to air outlet (12) be sequentially installed with blower (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 blower (3), air filter (4) are set in turn in the transverse part (21) of L shape, described
Silencing equipment (6) be mounted on the vertical part (22) of L shape and be located at air filter (4) on position, 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) sound absorption mask (72) in passes through the silencing equipment (6) and is discharged by the air outlet (12).
2. the air exhausting soundproofing device according to claim 1 that fume pollution is effectively reduced, it is characterised in that: the flow deflector
(51) section configuration is arc.
3. the air exhausting soundproofing device according to claim 2 that fume pollution is effectively reduced, 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. the air exhausting soundproofing device according to claim 3 that fume pollution is effectively reduced, it is characterised in that: the silencer
It (7) is the silencer of the double-deck mask, respectively sound absorber (71), sound absorption are mask (72) and grease proofing from the inside to the outside for the silencer (7)
Mask (8), grease proofing mask (8) is made by metal plate, is uniformly provided with several apertures thereon slightly larger than in 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. the air exhausting soundproofing device according to claim 4 that fume pollution is effectively reduced, it is characterised in that: in the noise elimination
The bottom of device (7) be equipped with the collection chamber (84) catching oily space (81) and communicating, collection chamber (84) bottom be equipped with it is fuel-displaced
Valve.
6. the air exhausting soundproofing device according to claim 4 that fume pollution is effectively reduced, it is characterised in that: 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. the air exhausting soundproofing device according to claim 6 that fume pollution is effectively reduced, 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. the air exhausting soundproofing device according to claim 2 that fume pollution is effectively reduced, it is characterised in that: 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 |
|---|---|---|---|
| CN201820796415.8U CN208382460U (en) | 2018-05-25 | 2018-05-25 | The air exhausting soundproofing device of fume pollution is effectively reduced |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796415.8U CN208382460U (en) | 2018-05-25 | 2018-05-25 | The air exhausting soundproofing device of fume pollution is effectively reduced |
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| CN208382460U true CN208382460U (en) | 2019-01-15 |
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| CN201820796415.8U Active CN208382460U (en) | 2018-05-25 | 2018-05-25 | The air exhausting soundproofing device of fume pollution is effectively reduced |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488985A (en) * | 2018-05-25 | 2018-09-04 | 深圳中雅机电实业有限公司 | Effectively reduce the air exhausting soundproofing device of fume pollution |
-
2018
- 2018-05-25 CN CN201820796415.8U patent/CN208382460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488985A (en) * | 2018-05-25 | 2018-09-04 | 深圳中雅机电实业有限公司 | Effectively reduce the air exhausting soundproofing device of fume pollution |
| CN108488985B (en) * | 2018-05-25 | 2024-04-09 | 深圳中雅机电实业有限公司 | Exhaust muffler device capable of effectively reducing oil smoke pollution |
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