CN202326457U - Double-control ventilation hood for desulfurization-oxidation fan - Google Patents
Double-control ventilation hood for desulfurization-oxidation fan Download PDFInfo
- Publication number
- CN202326457U CN202326457U CN2011204480902U CN201120448090U CN202326457U CN 202326457 U CN202326457 U CN 202326457U CN 2011204480902 U CN2011204480902 U CN 2011204480902U CN 201120448090 U CN201120448090 U CN 201120448090U CN 202326457 U CN202326457 U CN 202326457U
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- China
- Prior art keywords
- cover body
- fan
- hood
- cover
- top board
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- 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.)
- Expired - Fee Related
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Abstract
A double-control ventilation hood for a desulfurization-oxidation fan comprises a first hood body and a second hood body, wherein the two hood bodies take the shape of a rectangular solid and are arranged in parallel; the opposite side surfaces of the two hood bodies are connected by an isolating bar; the rear side surface of each hood body is provided with a rear air-inlet silencer and a single fan-suction soundproof door; the left side wall of the first hood body and the right side wall of the second hood body are respectively provided with a front air-inlet silencer; the roof of each hood body is provided with a manhole and a fan silencer; and the top of each hood body is provided with a lift ring. The side wall of each hood body is formed by overlapping a soundproof board, a light steel joist, a steel mesh composite board, a fire resistant gypsum board and a color steel board in sequence from inside to outside, wherein the light steel joist is filled with rock wool. The two hood bodies are spliced into a big hood which can shield two fans in the desulfurization-oxidation fan and the double-control ventilation hood is convenient to overhaul; and the side wall of each hood body is of a multi-layer composite structure, so that the noise and the temperature inside the hood can be greatly lowered.
Description
Technical field:
The utility model relates to mechanical field, the especially noise reduction of blower fan, sound arrester, particularly a kind of two control ventilator cowlings that are used for the desulfurization oxidation fan.
Background technique:
The desulfurization oxidation fan is become by two typhoon mechanisms, when operation, can produce bigger noise, and its noise adopts sound proof housing to reduce its noise up to 130dB usually.In the existing technology, sound proof housing is simple in structure, and the sound insulation noise elimination function is relatively poor; The noise at one meter still reaches 100dB even higher outside case; And the structure of sound proof housing is not easy to overhaul at ordinary times and the operation during overhaul, and on-the-spot working environment is relatively poor, is unfavorable for the maintenance of equipment; Temperature during blower fan work simultaneously in the cover is unfavorable for that also up to more than 50 degrees centigrade the workman safeguards and the proper functioning of equipment.
Summary of the invention:
The purpose of the utility model is to provide a kind of two control ventilator cowlings that are used for the desulfurization oxidation fan, and the described this two control ventilator cowlings that are used for the desulfurization oxidation fan will solve the technical problem that existing technology sound proof housing sound insulation acoustical absorptivity is poor, case temperature is too high, be not easy to overhaul.
This two control ventilator cowlings that are used for the desulfurization oxidation fan of the utility model; Comprise one first cover body and one second cover body; Wherein, Described first cover body and second cover body all are cuboid, and first cover body and second cover body are set up in parallel, the connection of opening up to each other of the side in opposite directions of first cover body and second cover body; The side in opposite directions of first cover body and second cover body connects through the isolating bar between the front panel, rear sidewall and the top board that are arranged on first cover body and second cover body; Be provided with back suction silencer and single fan sound absorption door in the rear sidewall of the rear sidewall of first cover body and second cover body separately, be provided with preceding suction silencer separately in the right side wall of the left side wall of first cover body and second cover body, be provided with access opening separately in the top board of the top board of first cover body and second cover body; All be coated with access cover on any described access opening; Be provided with the blower fan baffler on the top board of the top board of first cover body and second cover body separately, any described blower fan baffler all is connected with an airduct separately, and the outlet end inside of any described airduct all is provided with the duct attenuation device separately; Be provided with biparting sound absorption door in the right side wall of second cover body, the top of the top of first cover body and second cover body is respectively arranged with suspension ring.
Further, the sidewall of the sidewall of first cover body and second cover body is all overlapped by sound insulationg board, Lightgage Steel Joist, steel mesh composite sheet, refractory plasterboard and color steel from inside to outside successively, is filled with rock wool in the described Lightgage Steel Joist.
Further, described suspension ring are arranged on four drift angle places of first cover body and four drift angle places of second cover body.
Further, described biparting sound absorption door is made up of two fan doors, is the opposite opened structure, and the stile between the two fan doors is a movable unloading type.
Further, be provided with the sound control glass viewing window on described single fan sound absorption door.
Further, between described access cover and the top board be the movable unloading type linkage structure.
Further, be detachable linkage structure between airduct and the blower fan baffler.
The utility model and prior art are compared, and its effect is actively with tangible.The utility model utilizes two cover bodies to be spliced to form an integral body to cover greatly; Two typhoon machines in the maskable desulfurization oxidation fan; And easy access, the sidewall of cover body adopts multi-layer compound structure, can reduce noise greatly; Install additional behind the cover and can drop to cover to the equipment noise from 130dB (A) and cover interior 58 ℃ of temperature simultaneously less than 84dB (noise reduction weight is reached between the 45-50dB) and can drop to below 37 ℃ for outer 1.0 meters, reach control loudly and the double effects of high temperature.
Description of drawings:
Fig. 1 is the structural representation of the two control ventilator cowlings that are used for the desulfurization oxidation fan of the utility model.
Fig. 2 is the faceshield side wall structural representation of the two control ventilator cowlings that are used for the desulfurization oxidation fan of the utility model.
Embodiment:
Embodiment 1:
As depicted in figs. 1 and 2; The two control ventilator cowlings that are used for the desulfurization oxidation fan of the utility model; Comprise one first cover body 1 and one second cover body 2, wherein, described first cover body 1 and second cover body 2 all are cuboid; First cover body 1 and second cover body 2 are set up in parallel; The connection of opening up to each other of the side in opposite directions of first cover body 1 and second cover body 2, the side in opposite directions of first cover body 1 and second cover body 2 connects through the isolating bar between the front panel, rear sidewall and the top board that are arranged on first cover body 1 and second cover body 23, is provided with back suction silencer 4 and single fan sound absorption door 5 in the rear sidewall of the rear sidewall of first cover body 1 and second cover body 2 separately; Suction silencer 6 before being provided with separately in the right side wall of the left side wall of first cover body 1 and second cover body 2; Be provided with access opening in the top board of the top board of first cover body 1 and second cover body 2 separately, all be coated with on any described access opening on the top board of top board and second cover body 2 of access cover 7, the first cover bodies 1 and be provided with blower fan baffler 8 separately; Any described blower fan baffler 8 all is connected with an airduct 9 separately; The outlet end inside of any described airduct 9 all is provided with separately and is provided with the top of biparting sound absorption door 11, the first cover bodies 1 in the right side wall of duct attenuation device 10, the second cover bodies 2 and the top of second cover body 2 is respectively arranged with suspension ring 12.
Further, the sidewall of the sidewall of first cover body 1 and second cover body 2 is all overlapped by sound insulationg board 21, Lightgage Steel Joist 22, steel mesh composite sheet 23, refractory plasterboard 24 and color steel 25 from inside to outside successively, is filled with rock wool in the described Lightgage Steel Joist 22.
Further, described suspension ring 12 are arranged on four drift angle places of first cover body 1 and four drift angle places of second cover body 2.
Further, described biparting sound absorption door 11 is made up of two fan doors, is the opposite opened structure, and the stile between the two fan doors is a movable unloading type.
Further, be provided with sound control glass viewing window 13 on described single fan sound absorption door 5.
Further, be the movable unloading type linkage structure between described access cover 7 and the top board.
Further, be detachable linkage structure between airduct 9 and the blower fan baffler 8.
Claims (7)
1. two control ventilator cowlings that are used for the desulfurization oxidation fan; Comprise one first cover body and one second cover body; It is characterized in that: described first cover body and second cover body all are cuboid; First cover body and second cover body are set up in parallel; The connection of opening up to each other of the side in opposite directions of first cover body and second cover body, the side in opposite directions of first cover body and second cover body connects through the isolating bar between the front panel, rear sidewall and the top board that are arranged on first cover body and second cover body, is provided with back suction silencer and single fan sound absorption door in the rear sidewall of the rear sidewall of first cover body and second cover body separately; Be provided with preceding suction silencer in the right side wall of the left side wall of first cover body and second cover body separately; Be provided with access opening in the top board of the top board of first cover body and second cover body separately, all be coated with access cover on any described access opening, be provided with blower fan air draft baffler on the top board of the top board of first cover body and second cover body separately; Any described blower fan baffler all is connected with an airduct separately; The outlet end inside of any described airduct all is provided with the duct attenuation device separately, is provided with biparting sound absorption door in the left and right sides sidewall of first cover and second cover body, and the top of the top of first cover body and second cover body is respectively arranged with suspension ring.
2. the two control ventilator cowlings that are used for the desulfurization oxidation fan as claimed in claim 1; It is characterized in that: the sidewall of the sidewall of first cover body and second cover body is all overlapped by sound insulationg board, Lightgage Steel Joist, steel mesh composite sheet, refractory plasterboard and color steel from inside to outside successively, is filled with rock wool in the described Lightgage Steel Joist.
3. the two control ventilator cowlings that are used for the desulfurization oxidation fan as claimed in claim 1 is characterized in that: described suspension ring are arranged on four drift angle places of first cover body and four drift angle places of second cover body.
4. the two control ventilator cowlings that are used for the desulfurization oxidation fan as claimed in claim 1, it is characterized in that: described biparting sound absorption door is made up of two fan doors, is the opposite opened structure, and the stile between the two fan doors is a movable unloading type.
5. the two control ventilator cowlings that are used for the desulfurization oxidation fan as claimed in claim 1 is characterized in that: be provided with the sound control glass viewing window on described single fan sound absorption door.
6. the two control ventilator cowlings that are used for the desulfurization oxidation fan as claimed in claim 1 is characterized in that: be the movable unloading type linkage structure between described access cover and the top board.
7. the two control ventilator cowlings that are used for the desulfurization oxidation fan as claimed in claim 1 is characterized in that: be detachable linkage structure between airduct and the blower fan baffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204480902U CN202326457U (en) | 2011-11-14 | 2011-11-14 | Double-control ventilation hood for desulfurization-oxidation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204480902U CN202326457U (en) | 2011-11-14 | 2011-11-14 | Double-control ventilation hood for desulfurization-oxidation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326457U true CN202326457U (en) | 2012-07-11 |
Family
ID=46438438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204480902U Expired - Fee Related CN202326457U (en) | 2011-11-14 | 2011-11-14 | Double-control ventilation hood for desulfurization-oxidation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104558A (en) * | 2011-11-14 | 2013-05-15 | 上海圣丰环保设备有限公司 | Double-control ventilation hood for oxidation desulfurization draught fan |
-
2011
- 2011-11-14 CN CN2011204480902U patent/CN202326457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104558A (en) * | 2011-11-14 | 2013-05-15 | 上海圣丰环保设备有限公司 | Double-control ventilation hood for oxidation desulfurization draught fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |