CN207795698U - A kind of silencing apparatus for air blower outside boiler room - Google Patents
A kind of silencing apparatus for air blower outside boiler room Download PDFInfo
- Publication number
- CN207795698U CN207795698U CN201820085725.9U CN201820085725U CN207795698U CN 207795698 U CN207795698 U CN 207795698U CN 201820085725 U CN201820085725 U CN 201820085725U CN 207795698 U CN207795698 U CN 207795698U
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- air
- air blower
- boiler room
- silencing apparatus
- inlet
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Abstract
The utility model discloses a kind of silencing apparatus for air blower outside boiler room, including closed acoustic hood, the air blower is installed in the sealing acoustic hood, the air outlet of the air blower installs air hose, the air hose is through the closed acoustic hood and stretches into boiler room, the air inlet of the air blower sets bend muffler, end of the bend muffler far from blower inlet sets air-inlet sound eliminator, and the end face that the air-inlet sound eliminator is communicated with air is additionally provided with noise elimination blinds, the noise elimination blinds, air-inlet sound eliminator and bend muffler matching are constituted along noise elimination blinds, air-inlet sound eliminator and bend muffler flow and inject the silencing channel of the air of the air blower.The silencing apparatus of the utility model big problem of the Noise of boiler room of existing middle survival for a long time in the way of sound insulation, sound absorption.
Description
Technical field
It is the utility model is related to energy conservation and environmental protection renovation technique field, more particularly to a kind of to disappear for air blower outside boiler room
Acoustic device.
Background technology
For large size industrial enterprise, boiler is often to need powering device to be used.But for boiler room, noise
It is the problem for perplexing enterprise all the time greatly.How the noise of boiler room, effective enterprise image, for battalion are effectively reduced
Make it is good production, work and living environment, be each processing property enterprise there is an urgent need for the technical barriers of solution.
For the big problem of boiler room noise, this exercises creator answers the demand of enterprise, using lean management problem point
Analysis method, refer to the attached drawing 1, by data collection and analysis, find to solve boiler using Fishbone method problem analysis causa essendi
The technical solution of noise problem.
Based on this, the creator of this exercises provide one solve the problems, such as above-mentioned boiler room noise it is big be used for boiler room external drum
The silencing apparatus of wind turbine.
Utility model content
The technical problems to be solved in the utility model is to provide one kind for defect present in existing design technology and be used for
The silencing apparatus of air blower outside boiler room solves the problems, such as that Noise of boiler room is big in the way of sound insulation, sound absorption.
To solve above-mentioned technical problem, the technical solution that the utility model is taken is as follows：One kind is for air blast outside boiler room
The silencing apparatus of machine, including closed acoustic hood, the air blower are installed in the sealing acoustic hood, the outlet air of the air blower
Mouth installation air hose, the air hose is through the closed acoustic hood and stretches into boiler room, and the air inlet of the air blower sets noise elimination
Elbow, end of the bend muffler far from blower inlet sets air-inlet sound eliminator, and the air-inlet sound eliminator is communicated with air
End face be additionally provided with noise elimination blinds, the noise elimination blinds, air-inlet sound eliminator and bend muffler matching constitute along noise elimination blinds, into
Wind silencer and bend muffler flow and inject the silencing channel of the air of the air blower.
It is expanded on further as to above-mentioned technical proposal：
In the above-mentioned technical solutions, the closed acoustic hood be steel plate acoustic hood or aluminium sheet acoustic hood, and it is described it is closed every
Acoustic shell be include inner casing and shell;Perforated panel is set on the inside of the inner casing, between the perforated panel and inner casing inside also
If absorbent treatment, the first absorbent treatment is set between the inner casing and shell, the outer side then sets damping layer.
In the above-mentioned technical solutions, the absorbent treatment is sound-absorbing porous material absorbent treatment, and the damping layer is is coated on
State the damping pulp layer of outer side.
In the above-mentioned technical solutions, the air-inlet sound eliminator includes suppressor case, and confession is formed in the suppressor case
The channel of flow of external air, is equipped with several anechoic sheets in the channel, and several anechoic sheets in the channel at
Hipped plate construction is installed;The suppressor case includes inner panel, filled layer and the outside plate that from-inner-to-outer is set gradually, the inner panel
It is riveted by " C " type keel with outside plate, and matching constitutes the closed appearance for installing the filled layer after the inner panel and outside plate riveting
Between emptying.
In the above-mentioned technical solutions, the thickness of the suppressor case is 80~100 ㎜.
In the above-mentioned technical solutions, the inner panel is the punched steel plate that thickness is 0.5~0.75mm, and punching rate is 25%
~50%.
In the above-mentioned technical solutions, the filled layer is composite sound-absorbing material filled layer, and the composite sound-absorbing material is filled out
It is glass fibre filled layer, polyester fiber filled layer, glass fibre cotton filled layer, asbestos fibre filled layer and melamine sponge to fill layer
Filled layer one of which.
In the above-mentioned technical solutions, the outside plate is the cold-rolled steel sheet that thickness is 0.8~1.0 ㎜.
In the above-mentioned technical solutions, the thickness of the anechoic sheet is 60~80 ㎜.
The utility model has the beneficial effects that:After being used for air blower using the silencing means of the utility model, in air blower
Measurement noise value within the scope of closed acoustic hood is 3 meters outer, air blast noise can reduce 15-18dB（A）, effectively promoted outside boiler room room
Environment cleanliness, while installing air inlet anechoic chamber and closed acoustic hood additional, can effectively reduce outdoor blowers noise, and drop
Low blower power loss late avoids blower drive motor from overheating and burn out and happen, and installs closed acoustic hood additional, can keep away
Exempt from boiler blower and be chronically exposed to outdoor environment, effectively reduces blower fault rate.
Description of the drawings
Fig. 1 is Fishbone analytic approach schematic diagram；
Fig. 2 is the silencing apparatus structural schematic diagram of air blower outside the utility model boiler room；
Fig. 3 is the suction silencer topology view of the utility model；
Fig. 4 is the portions A enlarged view in Fig. 3.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
The embodiment described by reference to attached drawing is exemplary, it is intended to for explaining the application, and should not be understood as pair
The limitation of the application.In the description of the present application, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
It is described convenient for description the application and simplifying, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second "
It is used for description purposes only, is not understood to indicate or imply relative importance or implicitly indicates indicated technical characteristic
Quantity." first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more spy
Sign.In the description of the present application, " several ", the meaning of " plurality " is two or more, unless otherwise clearly specific
It limits.In this application unless specifically defined or limited otherwise, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;Can be machinery
Connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two elements
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be
In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.And fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature right over second feature and oblique upper, or only
Indicate that fisrt feature level height is less than second feature.
A kind of attached drawing 2-4 examples specific embodiment of the utility model, the present embodiment are to disappear for air blower outside boiler room
Mixer, this silencing means include closed acoustic hood 1, and the air blower 001 is installed in the sealing acoustic hood 1, the air blast
The air outlet 11 of machine 1 installs air hose 002, and the air hose 002 is through the closed acoustic hood 1 and stretches into boiler room（Attached drawing is not shown
Show）Interior, the air inlet 12 of the air blower 001 sets bend muffler 2, and the bend muffler 2 is far from 001 air inlet 12 of air blower
End sets air-inlet sound eliminator 3, and the end face that the air-inlet sound eliminator 3 is communicated with air is additionally provided with noise elimination blinds（Attached drawing do not show,
In practice, it is contemplated that aesthetic problem, matching air-inlet sound eliminator 3 face outside（Air）Face and air-inlet sound eliminator 3 air inlet
12 end face is respectively mounted noise elimination blinds）, the noise elimination blinds, air-inlet sound eliminator 3 and the matching of bend muffler 2 are constituted along noise elimination hundred
Leaf, air-inlet sound eliminator 3 and bend muffler 2 flow and inject the silencing channel of the air of the air blower 001, and outside atmosphere edge disappears
Sound channel inputs air blower 001, and in practice, installation air-inlet sound eliminator 3 is for preventing noise from propagating to room by air inlet 12
Outside, 001 noise of outdoor blowers can be effectively reduced, and reduces by 001 power loss rate of air blower, air blower 001 is avoided to drive
Motor overheating and burn out and happen.
Refer to the attached drawing 2, the closed acoustic hood 1 is steel plate acoustic hood or aluminium sheet acoustic hood, and the closed acoustic hood 1 is
Including inner casing 102 and shell 101;102 inside of the inner casing sets perforated panel (the non-label of attached drawing and display), in practice, inner casing
102 punching rate is 25%~50%, preferably 25%, and the perforated panel and the inner casing also set absorbent treatment between 102 inside（It is attached
Figure is not shown and label）, the first absorbent treatment is set between the inner casing 102 and shell 101（Attached drawing is not shown）, the shell 102
Outside then sets damping layer（Attached drawing does not indicate）.In the present embodiment, the absorbent treatment is sound-absorbing porous material absorbent treatment, the resistance
Buddhist nun's layer is the damping pulp layer for being coated on the outer side.
Refer to the attached drawing 2-4, the air-inlet sound eliminator 3 include suppressor case 31, and confession is formed in the suppressor case 31
The channel 003 of flow of external air is equipped with several anechoic sheets 35 in the channel 003, in the present embodiment, the anechoic sheet
35 select thickness for the anechoic sheet of 60~80 ㎜, and several anechoic sheets 35 are pacified in the channel 003 at hipped plate construction
Dress;And the suppressor case 31 includes inner panel 34, filled layer 33 and the outside plate 32 that from-inner-to-outer is set gradually, the inner panel 34
Pass through " C " type keel with outside plate 32（Attached drawing is not shown）Riveting, and matching composition is installed after the inner panel 34 and the riveting of outside plate 32
The closed accommodating space of the filled layer 33, in practice, outside plate 32 are the cladding filled layer 33 and inner panel 34, in this implementation
In example, the thickness of the suppressor case 21 is 80~100 ㎜, and preferably 80 ㎜, the inner panel 34 is that thickness is 0.5~0.75mm
Punched steel plate, and punching rate be 25%~50%, thickness preferably 0.75 ㎜, punching rate preferably 25%, the outside plate 32 be thickness
For the cold-rolled steel sheet of 0.8~1.0 ㎜, preferred thickness is the cold-rolled steel sheet of 1.0mm, is filled layer between inner panel 34 and outside plate 32,
And the filled layer 33 be composite sound-absorbing material filled layer, and the composite sound-absorbing material filled layer be glass fibre filled layer,
Polyester fiber filled layer, glass fibre cotton filled layer, asbestos fibre filled layer and melamine sponge filled layer one of which, that is,
Filled glass fiber, polyester fiber, glass fibre cotton, asbestos fibre and melamine sponge one of which between inner panel 34 and outside plate 32
Composite sound-absorbing material.
Using the silencing means of the present embodiment for after air blower, being measured within the scope of 3 meters outside the closed acoustic hood of air blower
Noise figure, air blast noise can reduce 15-18dB（A）, the environment cleanliness outside boiler room room is effectively promoted, while installing air inlet additional
Mouth anechoic chamber and closed acoustic hood can effectively reduce outdoor blowers noise, and reduce blower power loss late, avoid rousing
Fan driving motor overheats and burns out and happen, and installs closed acoustic hood additional, and avoidable boiler blower is chronically exposed to room
External environment effectively reduces blower fault rate.
Above embodiment only indicates that rather than limits the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in range is done, is included in the scope of the utility model patent application.
Claims (9)
1. a kind of silencing apparatus for air blower outside boiler room, it is characterised in that, including closed acoustic hood, the air blower peace
Loaded in the closed acoustic hood, the air outlet of the air blower installs air hose, and the air hose is through the closed acoustic hood and stretches
Enter in boiler room, the air inlet of the air blower sets bend muffler, end of the bend muffler far from blower inlet set into
Wind silencer, and the end face that the air-inlet sound eliminator is communicated with air is additionally provided with noise elimination blinds, the noise elimination blinds, air inlet disappear
Sound device and bend muffler matching constitute and are flowed along noise elimination blinds, air-inlet sound eliminator and bend muffler and inject the big of the air blower
The silencing channel of gas.
2. a kind of silencing apparatus for air blower outside boiler room according to claim 1, it is characterised in that, it is described closed
Acoustic hood is steel plate acoustic hood or aluminium sheet acoustic hood, and it includes inner casing and shell that the closed acoustic hood, which is,;On the inside of the inner casing
If perforated panel, absorbent treatment is also set between the perforated panel and inner casing inside, first is set between the inner casing and shell
Absorbent treatment, the outer side then set damping layer.
3. a kind of silencing apparatus for air blower outside boiler room according to claim 2, it is characterised in that, the sound absorption
Layer is sound-absorbing porous material absorbent treatment, and the damping layer is the damping pulp layer for being coated on the outer side.
4. a kind of silencing apparatus for air blower outside boiler room according to any one of claims 1 to 3, feature exist
In:The air-inlet sound eliminator includes suppressor case, and the channel for flow of external air is formed in the suppressor case, described
Several anechoic sheets are installed, and several anechoic sheets are installed in the channel at hipped plate construction in channel;The noise elimination
Device shell includes that inner panel, filled layer and the outside plate that from-inner-to-outer is set gradually, the inner panel and outside plate pass through the keel riveting of " C " type
It connects, and matching constitutes the closed accommodating space for installing the filled layer after the inner panel and outside plate riveting.
5. a kind of silencing apparatus for air blower outside boiler room according to claim 4, it is characterised in that, the noise elimination
The thickness of device shell is 80~100 ㎜.
6. a kind of silencing apparatus for air blower outside boiler room according to claim 5, it is characterised in that, the inner panel
The punched steel plate for being 0.5~0.75mm for thickness, and punching rate is 25%~50%.
7. a kind of silencing apparatus for air blower outside boiler room according to claim 6, it is characterised in that, the filling
Layer is composite sound-absorbing material filled layer, and the composite sound-absorbing material filled layer is glass fibre filled layer, polyester fiber filling
Layer, glass fibre cotton filled layer, asbestos fibre filled layer and melamine sponge filled layer one of which.
8. a kind of silencing apparatus for air blower outside boiler room according to claim 7, it is characterised in that, the outside plate
For the cold-rolled steel sheet that thickness is 0.8~1.0 ㎜.
9. a kind of silencing apparatus for air blower outside boiler room according to claim 8, which is characterized in that the noise elimination
The thickness of piece is 60~80 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085725.9U CN207795698U (en) | 2018-01-18 | 2018-01-18 | A kind of silencing apparatus for air blower outside boiler room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085725.9U CN207795698U (en) | 2018-01-18 | 2018-01-18 | A kind of silencing apparatus for air blower outside boiler room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795698U true CN207795698U (en) | 2018-08-31 |
Family
ID=63272762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820085725.9U Expired - Fee Related CN207795698U (en) | 2018-01-18 | 2018-01-18 | A kind of silencing apparatus for air blower outside boiler room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664483A (en) * | 2020-12-23 | 2021-04-16 | 临沂矿业集团有限责任公司 | Noise and dust control equipment for coal mine fan and control method thereof |
-
2018
- 2018-01-18 CN CN201820085725.9U patent/CN207795698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664483A (en) * | 2020-12-23 | 2021-04-16 | 临沂矿业集团有限责任公司 | Noise and dust control equipment for coal mine fan and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210122 Address after: 519000 room 105-70843, No.6 Baohua Road, Hengqin New District, Zhuhai City, Guangdong Province (centralized office area) Patentee after: Guangdong taiyunze Technology Co.,Ltd. Address before: 510632 No. 601, Whampoa Avenue, Tianhe District, Guangdong, Guangzhou Patentee before: Jinan University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20210118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |