CN204003641U - A kind of novel local ventilator silencer - Google Patents
A kind of novel local ventilator silencer Download PDFInfo
- Publication number
- CN204003641U CN204003641U CN201420390064.2U CN201420390064U CN204003641U CN 204003641 U CN204003641 U CN 204003641U CN 201420390064 U CN201420390064 U CN 201420390064U CN 204003641 U CN204003641 U CN 204003641U
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- CN
- China
- Prior art keywords
- inner core
- silencer
- urceolus
- sound arrester
- local ventilator
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Abstract
A kind of novel local ventilator silencer, belong to underground equipment field, in the both sides of booster, two joint hush pipes are set respectively, described hush pipe is divided into inner core and urceolus, between inner core and urceolus, is fixedly connected with, and in every joint, barrel dliameter internal diameter is upwards provided with two silencer covers, silencer cover was fixedly connected on the interior week of inner core, blower fan periphery arranges a set of sound arrester, utilizes this device can reduce down-hole noise, has reduced underground labour's Hearing problem.
Description
Technical field
The utility model relates to a kind of silencer, and particularly a kind of novel local ventilator silencer, belongs to underground equipment field.
Background technique
The underground local ventilating machine in coal mine run duration noise problem that exceeds standard perplexs coal mine safety management always, and coal miner is worked for a long time under high noise environments, easily causes the occupation disease such as hypertension, tinnitus, Hearing.For the booster noise problem that exceeds standard, think that through the reason of the noise producing to local ventilator structure principle and blower fan the position of booster generation noise is mainly wind inlet section, fan section, wind outlet section, think that the reason of generation fan noise is that hush pipe design length is too short, air channel airspace is excessive, barrel noise reduction sound insulation by filling thing is unreal, silencer corrosion, the reason such as spray paint cause bloop to stop up, the larger noise of blower fan model is larger, and then causes noise severe overweight.Producing the large reason of noise and find out, how can reduce fan noise, for underground labour creates a more quiet operating environment, is the problem that needs solution.
Summary of the invention
Large for down-hole noise, workers with long time is worked under high noise environments, easily cause the occupation disease problems such as hypertension, tinnitus, Hearing, the utility model provides a kind of novel local ventilating noise reduction device, its objective is and provide a kind of low noise for underground operators, meet the operating environment of operation or work standard, reduce or elimination shop floor worker occupation disease.
The technical solution of the utility model is: a kind of novel local ventilator silencer, comprise Underground Local Fan, in the both sides of booster, two joint hush pipes are set respectively, described hush pipe is divided into inner core and urceolus, between inner core and urceolus, be fixedly connected with, in every joint inner core, be radially provided with two silencer covers, silencer cover was fixedly connected on the interior week of inner core, blower fan and hush pipe periphery are provided with sound arrester, diameter between described inner core and urceolus is poor between 50-150mm, the peripheral sound arrester arranging of described blower fan is easy dismantle type sound arrester, sound arrester thickness is at 40-60mm, described inner core and urceolus are on same center line, the central position of described silencer cover is provided with airtight plate, the diameter of described airtight plate is less than 1/3rd of inner diameter of steel flue.
Good effect of the present utility model is: the hush pipe that blower fan two ends arrange is interconnective inner core and outer tube structure, when distinguished and admirable during through hush pipe, can fully rub with two hush pipes, thereby reduction noise, by be fixedly connected with silencer cover in inner core, when the airflow of ventilator generation in service is passed through silencer cover, can make noise be diffused on hush pipe and airtight plate, silencer cover is not affecting on the basis of fan delivery, reach the effect that reduces noise, by the folding easy dismantle type sound arrester of a set of thick 40-60mm is set in blower fan periphery, can will between fan main body sound and surrounding environment, isolate, simultaneously, be designed to can folding structure be convenient to maintenance, by utilizing the hush pipe in the technical program, can be by the noise of 96-103 decibels of intake grills, be reduced to 79-83 decibels, realize the effect that reduces noise.
Brief description of the drawings
Fig. 1 is assembled with the Fan pipeline of hush pipe.
The cross-sectional configuration schematic diagram of Fig. 2 hush pipe.
Embodiment
In order better to understand and to carry out the technical solution of the utility model, provide embodiments more of the present utility model at this, these embodiments, in order better to explain technological scheme described in the utility model, do not form any form restriction of the present utility model.
Just of the present utility model and technological scheme further describes referring to Fig. 1, Fig. 2, in figure, 1: blower fan, 2: urceolus, 3: inner core, 4: silencer cover, 5: flange, 6: bolt 6a: screw, 7: switching structure, 8: soundproof material, 21: link, 22: airtight plate.
A kind of novel local ventilating noise reduction device, comprise Underground Local Fan 1, in the both sides of booster 1, two joint hush pipes are set respectively, by the screw 6a that offers on bolt 6 and flange 5 by hush pipe, hush pipe and blower fan link together, described hush pipe is divided into inner core 3 and urceolus 2, between inner core 3 and urceolus 2, be fixedly connected with, the 21st, the link 21 between urceolus 2 and inner core 3, described inner core 3 and urceolus 2 are on same center line, every joint inner core footpath is upwards provided with two silencer covers 4, silencer cover 4 was fixedly connected on the interior week of inner core, hush pipe and blower fan periphery are provided with a set of sound arrester, the diameter of described inner core and urceolus is poor between 50-150mm, within the scope of this, be conducive to the circulation of air-flow, can increase the friction between air-flow and inner core 3 and urceolus 2, reduce the noise that air-flow causes, the peripheral sound arrester arranging of described blower fan is easy dismantle type sound arrester, sound arrester peripheral thickness is at 40-60mm, if bad lower than this size soundproof effect, exceed this size, it is little that the effect of sound insulation improves effect, in sound arrester, soundproof material in filling, the central position of described silencer cover is provided with airtight plate 22, the diameter of described airtight plate 22 is less than 1/3rd of inner core 3 diameters, around the urceolus of hush pipe, be provided with equally silencer, in described silencer, be provided with soundproof material, can realize the effect that reduces noise.
The hush pipe arranging by blower fan two ends is interconnective inner core and outer tube structure, when distinguished and admirable during through hush pipe, can fully rub with two hush pipes, thereby reduction noise, in inner core, be fixedly connected with silencer cover, when the airflow of ventilator generation in service is passed through silencer cover, can make noise be diffused on hush pipe and airtight plate, silencer cover is not affecting on the basis of fan delivery, reach the effect that reduces noise, by the folding easy dismantle type sound arrester of a set of thick 40-60mm is set in blower fan periphery, can will between fan main body sound and surrounding environment, isolate, simultaneously, be designed to can folding structure be convenient to maintenance, by utilizing the hush pipe in the technical program, can be by the noise of 96-103 decibels of intake grills, be reduced to 79-83 decibels, realize the effect that reduces noise.
After describing above various specific embodiment of the present utility model in detail, those of ordinary skill in the art should be well understood to, according to the various common practise of related domain, can carry out various equivalent variations, be equal to and replace or simply amendment according to thinking of the present utility model, these all should belong to the scope of technical solutions of the utility model.
Claims (5)
1. a novel local ventilator silencer, comprise Underground Local Fan, it is characterized in that: in the both sides of booster, two joint hush pipes are set respectively, described hush pipe is divided into inner core and urceolus, between inner core and urceolus, be fixedly connected with, in every joint inner core, be radially provided with two silencer covers, silencer cover was fixedly connected on the interior week of inner core, and blower fan and hush pipe periphery are provided with sound arrester.
2. a kind of novel local ventilator silencer according to claim 1, is characterized in that: the diameter between described inner core and urceolus is poor between 50-150mm.
3. a kind of novel local ventilator silencer according to claim 1, is characterized in that: the peripheral sound arrester arranging of described blower fan is easy dismantle type sound arrester, and sound arrester thickness is at 40-60mm.
4. a kind of novel local ventilator silencer according to claim 1, is characterized in that: described inner core and urceolus are on same center line.
5. a kind of novel local ventilator silencer according to claim 1, is characterized in that: the central position of described silencer cover is provided with airtight plate, and the diameter of described airtight plate is less than 1/3rd of inner diameter of steel flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390064.2U CN204003641U (en) | 2014-07-16 | 2014-07-16 | A kind of novel local ventilator silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390064.2U CN204003641U (en) | 2014-07-16 | 2014-07-16 | A kind of novel local ventilator silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003641U true CN204003641U (en) | 2014-12-10 |
Family
ID=52043648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420390064.2U Expired - Fee Related CN204003641U (en) | 2014-07-16 | 2014-07-16 | A kind of novel local ventilator silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003641U (en) |
-
2014
- 2014-07-16 CN CN201420390064.2U patent/CN204003641U/en not_active Expired - Fee Related
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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: 20141210 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |