CN207229476U - A kind of noise reduction dust-extraction unit for air inlet - Google Patents
A kind of noise reduction dust-extraction unit for air inlet Download PDFInfo
- Publication number
- CN207229476U CN207229476U CN201721067688.0U CN201721067688U CN207229476U CN 207229476 U CN207229476 U CN 207229476U CN 201721067688 U CN201721067688 U CN 201721067688U CN 207229476 U CN207229476 U CN 207229476U
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- China
- Prior art keywords
- inner cylinder
- dust
- guide shell
- silencing pot
- absorbing layer
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Abstract
The utility model discloses a kind of noise reduction dust-extraction unit for air inlet, including silencing pot, the first inner cylinder, the first sound absorbing layer, the first sound absorption cavity, fixing bracket, noise elimination inner cylinder, the second inner cylinder, the second sound absorbing layer, the second sound absorption cavity, the 3rd sound absorption cavity, the first guide shell, the second guide shell, Air Filter, dust-collecting cylinder etc..It sets the second noise reduction layer and the second sound absorption cavity, the 3rd sound absorption cavity on noise elimination inner cylinder, can effectively remove moulding, apparatus structure is simple, good muffling effect by setting the first sound absorbing layer and the first sound absorption cavity on silencing pot；It sets dust-collecting cylinder by setting Air Filter on guide shell on silencing pot, can carry out dust removal process, good dedusting effect to the air-flow of entrance；It is by setting fixing bracket to be fixed in noise elimination inner cylinder on silencing pot, its good fixing effect, while can play certain shock-proof effect；It further improves erasure effect by setting opening and flow deflector at sound absorption cavity.
Description
Technical field：
The utility model belongs to muffling device technical field, is specifically related to a kind of noise reduction dedusting for air inlet
Device.
Background technology：
Wind turbine is by the mechanical energy of input, improves gas pressure and supplies gas side by side the machinery of body, it is a kind of driven stream
Body machinery.Wind turbine is the custom abbreviation to gas compression and gas conveying machinery, and usually said wind turbine includes ventilation blower, air blast
Machine and wind-driven generator etc..Wind turbine be widely used in factory, mine, tunnel, cooling tower, vehicle, ship and building ventilation,
Dust discharge and cooling.
Wind turbine can produce very big noise, this noise, which usually becomes, influences workers ' health and interference in operation process
The misfortune source of environment, the wind turbine in particularly neighbouring living area, the air power noise that its air inlet and air outlet are radiated, is even more
The principal element of environment is polluted, the noise that wind turbine produces has become one of main object of noise control pollution.Existing wind
Although machine is mounted with silencer on wind turbine, this kind of silencer is usually complicated, erasure effect is poor, and inside is mounted with
More anti-noise plate, hinders the flowing of wind speed, and then have impact on ventilation effect.And some silencers are directly sucked in air gas
Stream, does not carry out dust removal process, dust easily blocks more, and outdoor sand and dust are easily brought into interior, have impact on silencer and wind
The using effect of machine.
Utility model content：
To be answered for this reason, the technical problem to be solved by the utility model is to the acoustic wave filter structure for being used for wind turbine in the prior art
It is miscellaneous, erasure effect is bad, dust removing effects are poor, so as to propose a kind of noise reduction dust-extraction unit for air inlet.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of noise reduction dust-extraction unit for air inlet, including：
The silencing pot of cylinder, the first inner cylinder of cylinder, the madial wall of the silencing pot are set with the silencing pot
On be fixedly installed annular the first sound absorbing layer, form the first sound absorption cavity between first inner cylinder and first sound absorbing layer,
Some first openings are provided with first inner cylinder, first opening forms slanting first flow deflector, cylinder
Noise elimination inner cylinder be arranged on by fixing bracket in the silencing pot, be set with the second inner cylinder in the noise elimination inner cylinder, described
The second sound absorbing layer of annular, the madial wall of the noise elimination inner cylinder and described second are set between two inner cylinders and the noise elimination inner cylinder
The second sound absorption cavity is formed between sound absorbing layer, some second openings, the second opening shaping are provided with the noise elimination inner cylinder
There is slanting second flow deflector, the 3rd sound absorption cavity is formed between second inner cylinder and second sound absorbing layer, in described second
Some 3rd openings are provided with cylinder, the 3rd opening forms slanting 3rd flow deflector.
The first guide shell and the second guide shell of cone, first guide shell and second guide shell are separately formed
The first Air Filter is inserted with the both ends of the silencing pot, first guide shell, is inserted with second guide shell
Two Air Filters.
Dust-collecting cylinder, the dust-collecting cylinder are arranged on the lateral wall lower end of the silencing pot, and the dust-collecting cylinder includes stack shell and cylinder
Cover, form deflector hole on the side wall of the silencing pot, the first end of the stack shell is connected with the deflector hole.
As the preferred of above-mentioned technical proposal, the fixing bracket is multiple, and the fixing bracket includes cylindrical sleeve, spring
And adjusting rod, the cylindrical sleeve are fixed on silencing pot, through hole is formed at the center of the cylindrical sleeve, the of the adjusting rod
One end is fixed on the noise elimination inner cylinder, and the second end sleeve of the adjusting rod is in the through hole, the first end of the spring
The bottom surface of the through hole is fixed on, the second end of the spring is fixedly connected with the second end of the adjusting rod.
As the preferred of above-mentioned technical proposal, the madial wall of first guide shell forms the first groove of annular, institute
The first Air Filter to be stated to be plugged in first groove, the madial wall of second guide shell forms the second groove of annular,
Second Air Filter is plugged in second groove.
As the preferred of above-mentioned technical proposal, the first dust guiding groove is formed on the madial wall of first guide shell, it is described
The second dust guiding groove is formed on the madial wall of second guide shell, forms the 3rd dust guiding groove on the inside of the silencing pot, described
One dust guiding groove is connected with the 3rd dust guiding groove, and second dust guiding groove is connected with the 3rd dust guiding groove, and the described 3rd leads dirt
Groove is connected with the deflector hole.
As the preferred of above-mentioned technical proposal, semicircle convex block is provided with the lateral wall of the stack shell second end, it is described
Semicircular slot is formed on the madial wall of cover, the convex block is fastened in the slot.
As the preferred of above-mentioned technical proposal, the material that first sound absorbing layer and second sound absorbing layer use is trimerization
Cyanamide foam.
The beneficial effects of the utility model are：Its by setting the first sound absorbing layer and the first sound absorption cavity on silencing pot,
Second noise reduction layer and the second sound absorption cavity, the 3rd sound absorption cavity are set on noise elimination inner cylinder, can effectively remove moulding, apparatus structure
Simply, good muffling effect；It sets dust-collecting cylinder by setting Air Filter on guide shell on silencing pot, can be to entrance
Air-flow carries out dust removal process, good dedusting effect；, by setting fixing bracket to be fixed in noise elimination inner cylinder on silencing pot, it is fixed for it
Effect is good, while can play certain shock-proof effect；It further improves and disappears by setting opening and flow deflector at sound absorption cavity
Audio fruit.The present apparatus is simple in structure, easy to operate, practicality is high.
Brief description of the drawings：
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
Enclose.Wherein：
Fig. 1 is a kind of noise reduction dust-extraction unit structural representation for air inlet of the utility model one embodiment
Figure；
Fig. 2 is a kind of noise reduction dust-extraction unit structure section view for air inlet of the utility model one embodiment
Figure；
Fig. 3 is a kind of fixing rack structure schematic diagram of the utility model one embodiment；
Fig. 4 is a kind of dust-collecting cylinder structure diagram of the utility model one embodiment；
Symbol description in figure：
1- silencing pots, the first inner cylinders of 2-, the first sound absorbing layers of 3-, the first sound absorption cavities of 4-, the first flow deflectors of 5-, 6- eliminate the noise in
Cylinder, 7- fixing brackets, the second inner cylinders of 8-, the second sound absorbing layers of 9-, the second sound absorption cavities of 10-, the second flow deflectors of 11-, the 3rd sound-absorbings of 12-
Chamber, the 3rd flow deflectors of 13-, the first guide shells of 14-, the second guide shells of 15-, the first Air Filters of 16-, the second Air Filters of 17-, 18-
Dust-collecting cylinder, 101- deflector holes, the 3rd dust guiding grooves of 102-, 201- first are open, and 601- second is open, 701- cylindrical sleeves, 702- bullets
Spring, 703- adjusting rods, 704- through holes, 801- the 3rd are open, the first grooves of 1401-, the first dust guiding grooves of 1402-, and 1501- second is recessed
Groove, the second dust guiding grooves of 1502-, 1801- stack shells, 1802- covers, 1803- convex blocks, 1804- slots.
Embodiment：
As shown in Figure 1 and Figure 2, a kind of noise reduction dust-extraction unit for air inlet of the utility model, including：
The silencing pot 1 of cylinder, is set with the first inner cylinder 2 of cylinder in the silencing pot 1, the silencing pot 1 it is interior
The first sound absorbing layer 3 of annular is fixedly installed on side wall, first is formed between first inner cylinder 2 and first sound absorbing layer 3
Sound absorption cavity 4, some first openings 201 are provided with first inner cylinder 2, and slanting the is formed at first opening 201
One flow deflector 5, cylindrical noise elimination inner cylinder 6 are arranged in the silencing pot 1 by fixing bracket 7,6 inner sleeve of noise elimination inner cylinder
Equipped with the second inner cylinder 8, the second sound absorbing layer 9 of annular is set between second inner cylinder 8 and the noise elimination inner cylinder 6, it is described to disappear
The second sound absorption cavity 10 is formed between the madial wall of sound inner cylinder 6 and second sound absorbing layer 9, if being provided with the noise elimination inner cylinder 6
Dry second opening 601, forms slanting second flow deflector 11 at second opening 601, second inner cylinder 8 and described the
The 3rd sound absorption cavity 12 is formed between two sound absorbing layers 9, some 3rd openings 801 are provided with second inner cylinder 8, the described 3rd opens
Slanting 3rd flow deflector 13 is formed at mouth 801.The material that first sound absorbing layer 3 and second sound absorbing layer 9 use for
Melamine foamed plastic.
The fixing bracket 7 is multiple, as shown in figure 3, the fixing bracket 7 includes cylindrical sleeve 701, spring 702 and adjusts
Pole 703, the cylindrical sleeve 701 are fixed on silencing pot 1, and through hole 704 is formed at the center of the cylindrical sleeve 701, described
The first end of adjusting rod 703 is fixed on the noise elimination inner cylinder 6, and the second end sleeve of the adjusting rod 703 is in the through hole 704
Interior, the first end of the spring 702 is fixed on the bottom surface of the through hole 704, and the second end of the spring 702 is fixedly connected described
The second end of adjusting rod 703.
The first guide shell 14 and the second guide shell 15 of cone, first guide shell 14 and second guide shell 15
It is separately formed on the both ends of the silencing pot 1, first guide shell 14 and is inserted with the first Air Filter 16, second water conservancy diversion
The second Air Filter 17 is inserted with cylinder 15.The madial wall of first guide shell 14 forms the first groove 1401 of annular, institute
State the first Air Filter 16 to be plugged in first groove 1401, the madial wall of second guide shell 15 forms the of annular
Two grooves 1501, second Air Filter 17 are plugged in second groove 1501.The madial wall of first guide shell 14
On form the first dust guiding groove 1402, the second dust guiding groove 1502 is formed on the madial wall of second guide shell 15, it is described to disappear
The inner side of cylinder record 1 forms the 3rd dust guiding groove 102, and first dust guiding groove 1402 is connected with the 3rd dust guiding groove 102, described
Second dust guiding groove 1502 is connected with the 3rd dust guiding groove 102, and the 3rd dust guiding groove 102 is connected with the deflector hole 101.
Dust-collecting cylinder 18, the dust-collecting cylinder 18 is arranged on the lateral wall lower end of the silencing pot 1, as shown in figure 4, the dust
Cylinder 18 includes stack shell 1801 and cover 1802, and deflector hole 101 is formed on the side wall of the silencing pot 1, the stack shell 1801
First end is connected with the deflector hole 101.Semicircle convex block 1803, institute are provided with the lateral wall of 1801 second end of stack shell
State and semicircular slot 1804 is formed on the madial wall of cover 1802, the convex block 1803 is fastened on the slot 1804
It is interior.
A kind of noise reduction dust-extraction unit for air inlet described in the present embodiment, including silencing pot, the first inner cylinder,
One sound absorbing layer, the first sound absorption cavity, fixing bracket, noise elimination inner cylinder, the second inner cylinder, the second sound absorbing layer, the second sound absorption cavity, the 3rd sound-absorbing
Chamber, the first guide shell, the second guide shell, Air Filter, dust-collecting cylinder etc..It on silencing pot by setting the first sound absorbing layer and first
Sound absorption cavity, the second noise reduction layer and the second sound absorption cavity, the 3rd sound absorption cavity are set on noise elimination inner cylinder, can effectively remove moulding,
Apparatus structure is simple, good muffling effect；It sets dust-collecting cylinder by setting Air Filter on guide shell on silencing pot, can be with
Dust removal process, good dedusting effect are carried out to the air-flow of entrance；It is by setting fixing bracket to be fixed on silencing pot in noise elimination inner cylinder
On, its good fixing effect, while certain shock-proof effect can be played；Its by sound absorption cavity set opening and flow deflector, into
One step improves erasure effect.The present apparatus is simple in structure, easy to operate, practicality is high.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (6)
- A kind of 1. noise reduction dust-extraction unit for air inlet, it is characterised in that including：The silencing pot (1) of cylinder, interior the first inner cylinder (2) for being set with cylinder of the silencing pot (1), the silencing pot (1) Madial wall on be fixedly installed the first sound absorbing layer (3) of annular, first inner cylinder (2) and first sound absorbing layer (3) it Between form the first sound absorption cavity (4), be provided with first inner cylinder (2) it is some first opening (201), it is described first opening (201) place forms slanting first flow deflector (5), and cylindrical noise elimination inner cylinder (6) is arranged on described by fixing bracket (7) In silencing pot (1), the second inner cylinder (8), second inner cylinder (8) and the noise elimination inner cylinder are set with the noise elimination inner cylinder (6) (6) be set with the second sound absorbing layer (9) of annular between, the madial wall of the noise elimination inner cylinder (6) and second sound absorbing layer (9) it Between form the second sound absorption cavity (10), be provided with the noise elimination inner cylinder (6) it is some second opening (601), it is described second opening (601) place forms slanting second flow deflector (11), is formed between second inner cylinder (8) and second sound absorbing layer (9) 3rd sound absorption cavity (12), is provided with some three openings (801) on second inner cylinder (8), the 3rd opening (801) place into Type has slanting 3rd flow deflector (13)；The first guide shell (14) and the second guide shell (15) of cone, first guide shell (14) and second guide shell (15) it is separately formed and is inserted with the first Air Filter (16), institute on the both ends of the silencing pot (1), first guide shell (14) State and the second Air Filter (17) is inserted with the second guide shell (15)；Dust-collecting cylinder (18), the dust-collecting cylinder (18) are arranged on the lateral wall lower end of the silencing pot (1), dust-collecting cylinder (18) bag Stack shell (1801) and cover (1802) are included, deflector hole (101), the stack shell are formed on the side wall of the silencing pot (1) (1801) first end is connected with the deflector hole (101).
- A kind of 2. noise reduction dust-extraction unit for air inlet according to claim 1, it is characterised in that：The fixation Stent (7) is multiple, and the fixing bracket (7) includes cylindrical sleeve (701), spring (702) and adjusting rod (703), the cylinder Set (701) is fixed on silencing pot (1), and through hole (704), the adjusting rod are formed at the center of the cylindrical sleeve (701) (703) first end is fixed on the noise elimination inner cylinder (6), and the second end sleeve of the adjusting rod (703) is in the through hole (704) in, the first end of the spring (702) is fixed on the bottom surface of the through hole (704), the second end of the spring (702) It is fixedly connected with the second end of the adjusting rod (703).
- A kind of 3. noise reduction dust-extraction unit for air inlet according to claim 1, it is characterised in that：Described first The madial wall of guide shell (14) forms the first groove (1401) of annular, and first Air Filter (16) is plugged in described first In groove (1401), the madial wall of second guide shell (15) forms the second groove (1501) of annular, and described second is anti- Dirt net (17) is plugged in second groove (1501).
- A kind of 4. noise reduction dust-extraction unit for air inlet according to claim 1, it is characterised in that：Described first The first dust guiding groove (1402) is formed on the madial wall of guide shell (14), is formed on the madial wall of second guide shell (15) Second dust guiding groove (1502), forms the 3rd dust guiding groove (102), first dust guiding groove on the inside of the silencing pot (1) (1402) connected with the 3rd dust guiding groove (102), second dust guiding groove (1502) connects with the 3rd dust guiding groove (102) Logical, the 3rd dust guiding groove (102) connects with the deflector hole (101).
- A kind of 5. noise reduction dust-extraction unit for air inlet according to claim 1, it is characterised in that：The stack shell (1801) semicircle convex block (1803) is provided with the lateral wall of second end, half is formed on the madial wall of the cover (1802) Circular slot (1804), the convex block (1803) are fastened in the slot (1804).
- A kind of 6. noise reduction dust-extraction unit for air inlet according to claim 1, it is characterised in that：Described first The material that sound absorbing layer (3) and second sound absorbing layer (9) use is melamine foamed plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721067688.0U CN207229476U (en) | 2017-08-24 | 2017-08-24 | A kind of noise reduction dust-extraction unit for air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721067688.0U CN207229476U (en) | 2017-08-24 | 2017-08-24 | A kind of noise reduction dust-extraction unit for air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229476U true CN207229476U (en) | 2018-04-13 |
Family
ID=61857799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721067688.0U Expired - Fee Related CN207229476U (en) | 2017-08-24 | 2017-08-24 | A kind of noise reduction dust-extraction unit for air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373096A (en) * | 2018-10-16 | 2019-02-22 | 轩重建筑节能科技（上海）有限公司 | A kind of hush pipe for building road |
-
2017
- 2017-08-24 CN CN201721067688.0U patent/CN207229476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373096A (en) * | 2018-10-16 | 2019-02-22 | 轩重建筑节能科技（上海）有限公司 | A kind of hush pipe for building road |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20200824 |