CN202238424U - Environment-friendly dust-collecting air-assisted sprayer with silencer - Google Patents
Environment-friendly dust-collecting air-assisted sprayer with silencer Download PDFInfo
- Publication number
- CN202238424U CN202238424U CN2011203060947U CN201120306094U CN202238424U CN 202238424 U CN202238424 U CN 202238424U CN 2011203060947 U CN2011203060947 U CN 2011203060947U CN 201120306094 U CN201120306094 U CN 201120306094U CN 202238424 U CN202238424 U CN 202238424U
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- China
- Prior art keywords
- noise reduction
- spray tube
- environmental protection
- spraying machine
- silencing means
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- Withdrawn - After Issue
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Abstract
The utility model discloses an environment-friendly dust-collecting air-assisted sprayer with a silencer and belongs to the technical field of air-assisted sprayers. The technical key points of the sprayer include: the sprayer comprises an axial-flow fan; a spray tube is connected to the position of the front air outlet of the axial-flow fan; a silencing ring is sleeved in the spray tube; the outside diameter of the silencing ring is smaller than the inside diameter of the spray tube; and a silencing area is reserved between the spray tube and the silencing ring, and sound absorbing cotton is filled in the silencing area. The utility model aims to provide the environment-friendly dust-collecting air-assisted sprayer with the silencer, which has a compact structure and good use effect, for collecting and controlling dust pollutant produced in mining in large open coal mines and dust pollutant discharged randomly in coal stock dump and during transportation, crushing and the like.
Description
Technical field
The utility model relates to a kind of spraying machine, more particularly, relates in particular to a kind of environmental protection dedusting air-assisted spraying machine that has silencing means.
Background technology
The noise reduction of the axial flow blower of the air-assisted type spraying machine that uses on the domestic market at present mostly adopts asbestos to make sound-absorbing material; But because it has only filled asbestos on the spray tube; Discharge again easily after audio frequency is absorbed, and noise reduction is interval at a distance from thin the common shake of empathizing of howling that produces when making the blower fan running easily and barrel; Form very big noise, caused environmental pollution.
The utility model content
The purpose of the utility model is the deficiency to above-mentioned prior art, and the environmental protection dedusting air-assisted spraying machine that has silencing means of a kind of compact conformation, good muffling effect is provided.
The technical scheme of the utility model is achieved in that a kind of environmental protection dedusting air-assisted spraying machine that has silencing means; Comprise axial flow blower, the place is connected with the spray tube at the anterior air outlet of axial flow blower, is arranged with the noise reduction ring in the wherein said spray tube; The external diameter of noise reduction ring is less than the internal diameter of spray tube; Between spray tube and noise reduction ring, form the noise reduction district, in the noise reduction district, being filled with the acoustical cotton filled with water is medium, and the injection of water is by electric throttle valve and dried wet induction installation control.
In the above-mentioned environmental protection dedusting air-assisted spraying machine that has silencing means, described spray tube sidewall is provided with the liquid injection pipe that is communicated with the noise reduction district, and liquid injection pipe is connected with outside watering pipeline, on the pipeline between liquid injection pipe and the outside watering, is provided with electric throttle valve; Also be provided with the ball-valve that is connected with the noise reduction district at spray tube outer bottom.
In the above-mentioned environmental protection dedusting air-assisted spraying machine that has silencing means, described liquid injection pipe is provided with does wet induction installation, and the induction end of doing wet induction installation extends in the noise reduction district; Do wet induction installation and be electrically connected electric throttle valve.
In the above-mentioned environmental protection dedusting air-assisted spraying machine that has silencing means, the spacing between described noise reduction ring outer wall and the spray tube inwall is 6～15cm.
In the above-mentioned environmental protection dedusting air-assisted spraying machine that has silencing means, the spacing between described noise reduction ring outer wall and the spray tube inwall is 10cm; Further, be distributed with through hole on the described noise reduction ring, the aperture of through hole is 0.5cm, and the spacing between each through hole is 1cm.
Behind the utility model employing said structure,, cooperate formation noise reduction district with the spray tube through the noise reduction ring through in the spray tube, the noise reduction ring being set; In the noise reduction district, fill acoustical cotton again, make acoustical cotton can not receive the influence of air-flow and the loose or dislocation phenomenon occurs, longer service life; Cooperate with the spray tube through the noise reduction ring simultaneously, make the thickness in noise reduction district increase, erasure effect significantly improves; The air-flow that axial flow blower fast turn-around is produced in injector, move and push under the generation sound of uttering long and high-pitched sounds obtain in time weakening of noise reduction district or eliminate; Obtained good sound-deadening and noise-reducing effect, the utility model is supporting when being installed on the 90kw axial flow blower of 200 meters ranges, and the wide volume decibel value that produces in outer space out of office is 80 decibels; Noise when the same power shaft flow fan of the utility model device is not installed in contrast is 100 decibels, has decayed 20 decibels.If when being installed on the 75kw axial flow blower of 150 meters ranges, its decibel value is 70 decibels, 95 db-losses when the utility model device is not installed in contrast 15 decibels; This shows; The effect that the method for the cotton filled with water of noise reduction of employing the utility model is carried out noise reduction is than a good muffling effect with the noise reduction cotton; Its decibel value is lower than national blower fan running noise and should in smelting factory floor, also can cause environmental noise to pollute less than 90 decibels standard.
Further, because the acoustical cotton that has adopted water filling as the noise reduction medium, disappears audio frequency or no longer discharges in moisture acoustical cotton, the effect that realization is defeated a force with a tenderness disappears to virtually sound; The vibration frequency and the vibration wave that produce when the acoustical cotton after the water filling simultaneously turns round to axial flow blower also can play good elimination effect; Better controlled has been played in noise pollution to environment; Protected environment, particularly effective protection has been played in operating personnel's such as smelting shop noise pollution.The utlity model has that manufacture craft is simple, cost is low, effective, advantage that level of application is high; Be applicable to the dedusting dust suppression that dust uncontrollable discharges such as dust pollution that the exploitation of large outdoors colliery causes and coal stockyard, transportation, fragmentation, smelting pollute, protection environment, dedusting cooling etc. are all had the good actual application effect.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the utility model is done further to specify, but do not constitute any restriction the utility model.
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the utility model noise reduction ring.
Among the figure: axial flow blower 1, spray tube 2, noise reduction ring 3, acoustical cotton 4, liquid injection pipe 5, electric throttle valve 6, ball-valve 7, through hole 8.
The specific embodiment
Consult illustrated in figures 1 and 2ly, the environmental protection dedusting air-assisted spraying machine that has silencing means of the utility model comprises axial flow blower 1; Be connected with spray tube 2 at axial flow blower 1 anterior air outlet place, in spray tube 2, be arranged with noise reduction ring 3, the external diameter of noise reduction ring 3 is less than the internal diameter of spray tube 2; Spacing between noise reduction ring 3 outer walls and spray tube 2 inwalls is 6～15cm, is good with 10cm, on noise reduction ring 3, is distributed with through hole 8; The aperture of through hole 8 is 0.5cm, and the spacing between each through hole 8 is 1cm; Between spray tube 2 and noise reduction ring 3, form the noise reduction district, in the noise reduction district, be filled with acoustical cotton 4; On spray tube 2 sidewalls, be provided with the liquid injection pipe 5 that is communicated with the noise reduction district; Liquid injection pipe 5 is connected with outside watering pipeline, and the liquid injection pipe 5 in the present embodiment is connected with the liquid pump pipeline that supplies water to nozzle, like this can the simplified apparatus structure; Acoustical cotton 4 absorbs moisture content; And be in moisture state for a long time, make the better effects if of noise reduction, and the vibration frequency and the vibration wave that produce during to axial flow blower 1 running also can play good elimination effect; On the pipeline between liquid injection pipe 5 and the outside watering, be provided with electric throttle valve 6, through electric throttle valve 6 control outputs; Also be provided with the ball-valve 7 that is connected with the noise reduction district at spray tube 2 outer bottoms, when the needs draining, can open ball-valve 7 and carry out draining; Further, in order to improve the automatic capability of equipment, on liquid injection pipe 5, be provided with and do wet induction installation, the inductive probe of doing wet induction installation extends in the noise reduction district; Do wet induction installation and be electrically connected electric throttle valve 6; Do the wet used power supply of induction installation by connecting in the integral device control cabinet; When acoustical cotton 4 water fillings during saturated or lack of water; Under the effect of moisture gentle hardness of atmospheric effect and acoustical cotton 4 or shrivelled degree, inductive probe can send signal to doing wet induction installation, through doing opening and closing automatically of wet induction installation control electric throttle valve 6.
During production operation, the primer fluid press pump is toward the water filling of noise reduction district, after water filling is accomplished; Close through doing wet induction installation control electric throttle valve 6; Start axial flow blower 1, at this moment axial flow blower 1 produces under fast turn-around and sprays from the injector outlet after air-flow gets into wind-guiding grid and rectifier rectification, meanwhile; The air-flow howling that axial flow blower 1 produces is eliminated in the noise reduction district immediately or is reduced; Noise reduction is efficient to be reached more than 20%, thereby has reduced the noise pollution to surrounding environment, and environment and field operation personnel are played a protective role.The utility model manufacture craft is simple, cost is low, effective, level of application is high.
Claims (6)
1. environmental protection dedusting air-assisted spraying machine that has silencing means; Comprise axial flow blower (1), be connected with spray tube (2) at the anterior air outlet of axial flow blower (1) place, it is characterized in that; Be arranged with noise reduction ring (3) in the described spray tube (2); The external diameter of noise reduction ring (3) forms the noise reduction district less than the internal diameter of spray tube (2) between spray tube (2) and noise reduction ring (3), in the noise reduction district, be filled with acoustical cotton (4).
2. the environmental protection dedusting air-assisted spraying machine that has silencing means according to claim 1; It is characterized in that; Described spray tube (2) sidewall is provided with the liquid injection pipe (5) that is communicated with the noise reduction district; Liquid injection pipe (5) is connected with outside watering pipeline, on the pipeline between liquid injection pipe (5) and the outside watering, is provided with electric throttle valve (6); Also be provided with the ball-valve (7) that is connected with the noise reduction district at spray tube (2) outer bottom.
3. the environmental protection dedusting air-assisted spraying machine that has silencing means according to claim 2 is characterized in that, described liquid injection pipe (5) is provided with does wet induction installation, and the induction end of doing wet induction installation extends in the noise reduction district; Do wet induction installation and be electrically connected electric throttle valve (6).
4. according to the arbitrary described environmental protection dedusting air-assisted spraying machine that has silencing means of claim 1 to 3, it is characterized in that the spacing between described noise reduction ring (3) outer wall and spray tube (2) inwall is 6～15cm.
5. the environmental protection dedusting air-assisted spraying machine that has silencing means according to claim 4 is characterized in that, the spacing between described noise reduction ring (3) outer wall and spray tube (2) inwall is 10cm.
6. the environmental protection dedusting air-assisted spraying machine that has silencing means according to claim 5 is characterized in that be distributed with through hole (8) on the described noise reduction ring (3), the aperture of through hole (8) is 0.5cm, and the spacing between each through hole (8) is 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203060947U CN202238424U (en) | 2011-08-22 | 2011-08-22 | Environment-friendly dust-collecting air-assisted sprayer with silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203060947U CN202238424U (en) | 2011-08-22 | 2011-08-22 | Environment-friendly dust-collecting air-assisted sprayer with silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202238424U true CN202238424U (en) | 2012-05-30 |
Family
ID=46099729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203060947U Withdrawn - After Issue CN202238424U (en) | 2011-08-22 | 2011-08-22 | Environment-friendly dust-collecting air-assisted sprayer with silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202238424U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357438A (en) * | 2011-08-22 | 2012-02-22 | 广东风华环保设备有限公司 | Environment-friendly dust-removing air supply sprayer provided with silencer |
| CN105170383A (en) * | 2015-09-16 | 2015-12-23 | 福建省雾精灵环境科技有限公司 | Wind barrel structure of spraying device |
| CN110559767A (en) * | 2019-09-05 | 2019-12-13 | 安徽天顺环保设备股份有限公司 | Environment-friendly dust removal air-assisted sprayer with silencer |
-
2011
- 2011-08-22 CN CN2011203060947U patent/CN202238424U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357438A (en) * | 2011-08-22 | 2012-02-22 | 广东风华环保设备有限公司 | Environment-friendly dust-removing air supply sprayer provided with silencer |
| CN105170383A (en) * | 2015-09-16 | 2015-12-23 | 福建省雾精灵环境科技有限公司 | Wind barrel structure of spraying device |
| CN110559767A (en) * | 2019-09-05 | 2019-12-13 | 安徽天顺环保设备股份有限公司 | Environment-friendly dust removal air-assisted sprayer with silencer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |