CN202900796U - Array silencing device for large air cooling fan - Google Patents
Array silencing device for large air cooling fan Download PDFInfo
- Publication number
- CN202900796U CN202900796U CN 201220602676 CN201220602676U CN202900796U CN 202900796 U CN202900796 U CN 202900796U CN 201220602676 CN201220602676 CN 201220602676 CN 201220602676 U CN201220602676 U CN 201220602676U CN 202900796 U CN202900796 U CN 202900796U
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- CN
- China
- Prior art keywords
- silencing
- silencer
- fan
- air cooling
- blower fan
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an array silencing device for a large air cooling fan. The device is characterized by comprising a motor, a fan, an air barrel and a silencer, wherein the fan is arranged at the bottom of the motor; the air barrel is sleeved outside the fan; the silencer is arranged at the bottom of the air barrel; a transition section is arranged between the air barrel and the silencer; a plurality of silencing pipes are uniformly distributed in the silencer; perforated plates are arranged on the external surfaces of the silencing pipes; and superfine silencing cotton is filled in the perforated plates. The array silencing device for the large air cooling fan has the advantages that the height of each silencing pipe of the silencer is 2,000mm, the external diameter of the section of each silencing pipe is 550mm*550mm, the internal diameter of each silencing pipe is 300mm*300mm, the distance between adjacent silencing pipes is 850mm, and the perforated plates with the perforating rate of 25 percent are arranged on the surfaces of the silencing pipes; and the silencer is arranged on the lower part, so that the air inlet flow field of a fan impeller on the upper part can be improved, the efficiency of the fan is improved by 2.5 percent, the space of an air cooling island is fully utilized, and an installation space of equipment is not required to be added.
Description
Technical field
The utility model relates to a kind of silencer, relates in particular to a kind of large-scale air cooling blower fan array type silencer.
Background technique
The large-scale air cooling blower fan is mainly used in power station, cement plant, machinery plant etc., this factory is subjected to the impact of environment easily, dust and noise are topmost pollution sources, large-scale air cooling blower fan energy consumption in operation is high, and noise is larger, has had a strong impact on the operator's of plant area production and life, serious harm is healthy to the staff's, therefore, for addressing the above problem, the spy provides a kind of new technology bill to satisfy the demands.
The model utility content
The purpose of this utility model provides a kind of large-scale air cooling blower fan array type silencer.
The technical solution adopted in the utility model is:
A kind of large-scale air cooling blower fan array type silencer, comprise motor, blower fan, air duct and silencing apparatus, described motor bottom is provided with blower fan, described blower fan outer cover has air duct, described air duct bottom is provided with silencing apparatus, is provided with changeover portion between described air duct and the silencing apparatus, evenly is placed with a plurality of hush tubes in the described silencing apparatus, described hush tube outer surface is provided with porous slab, and it is cotton to be filled with ultra-fine noise elimination in the described porous slab.
The utility model has the advantages that: the hush tube height of the silencing apparatus in the large-scale air cooling blower fan array type silencer is 2000mm, hush tube cross section external diameter 550mm * 550mm, internal diameter 300m * 300mm, display is apart from 850mm, the hush tube surface is the porous slab of 25% punching rate, the installation of large-scale air cooling blower fan array type silencer middle and lower part silencing apparatus, can improve the inlet flow field of top draught fan impeller, make fan efficiency improve 2.5%, take full advantage of the space of Air-Cooling Island and do not need to increase in addition the installing space of equipment.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 be among Fig. 1 A-A to structural representation.
Wherein: 1, motor, 2, blower fan, 3, air duct, 4, silencing apparatus, 5, changeover portion, 6, hush tube, 7, porous slab.
Embodiment
As depicted in figs. 1 and 2, a kind of large-scale air cooling blower fan array type silencer of the present utility model, comprise motor 1, blower fan 2, air duct 3 and silencing apparatus 4, motor 1 bottom is provided with blower fan 2, and blower fan 2 outer cover have air duct 3, and air duct 3 bottoms are provided with silencing apparatus 4, be provided with changeover portion 5 between air duct 3 and the silencing apparatus 4, silencing apparatus 4 is interior evenly to be placed with a plurality of hush tubes 6, and hush tube 6 outer surfaces are provided with porous slab 7, and it is cotton to be filled with ultra-fine noise elimination in the porous slab 7.
The utility model has the advantages that: the hush tube height of the silencing apparatus in the large-scale air cooling blower fan array type silencer is 2000mm, hush tube cross section external diameter 550mm * 550mm, internal diameter 300m * 300mm, display is apart from 850mm, the hush tube surface is the porous slab of 25% punching rate, the installation of large-scale air cooling blower fan array type silencer middle and lower part silencing apparatus, can improve the inlet flow field of top draught fan impeller, make fan efficiency improve 2.5%, take full advantage of the space of Air-Cooling Island and do not need to increase in addition the installing space of equipment.
Claims (1)
1. large-scale air cooling blower fan array type silencer, it is characterized in that: comprise motor, blower fan, air duct and silencing apparatus, described motor bottom is provided with blower fan, described blower fan outer cover has air duct, described air duct bottom is provided with silencing apparatus, is provided with changeover portion between described air duct and the silencing apparatus, evenly is placed with a plurality of hush tubes in the described silencing apparatus, described hush tube outer surface is provided with porous slab, and it is cotton to be filled with ultra-fine noise elimination in the described porous slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602676 CN202900796U (en) | 2012-11-15 | 2012-11-15 | Array silencing device for large air cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602676 CN202900796U (en) | 2012-11-15 | 2012-11-15 | Array silencing device for large air cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900796U true CN202900796U (en) | 2013-04-24 |
Family
ID=48121472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220602676 Expired - Fee Related CN202900796U (en) | 2012-11-15 | 2012-11-15 | Array silencing device for large air cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927062A (en) * | 2012-11-15 | 2013-02-13 | 江苏中联风能机械有限公司 | Layout muffling device for large-sized air cooling fan |
-
2012
- 2012-11-15 CN CN 201220602676 patent/CN202900796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927062A (en) * | 2012-11-15 | 2013-02-13 | 江苏中联风能机械有限公司 | Layout muffling device for large-sized air cooling fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226100, Jiangsu, Nantong City, Haimen town, industrial concentrated area west Patentee after: Jiangsu Zhonglian Wind Energy Machinery Co., Ltd. Address before: 226100, Jiangsu, Nantong City, Haimen town, industrial concentrated area west Patentee before: Jiangsu Zhonglian Wind Machinery Co.,Ltd. |
|
| 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: 20130424 Termination date: 20181115 |