CN212760273U - Novel exhaust hood - Google Patents
Novel exhaust hood Download PDFInfo
- Publication number
- CN212760273U CN212760273U CN202021094814.3U CN202021094814U CN212760273U CN 212760273 U CN212760273 U CN 212760273U CN 202021094814 U CN202021094814 U CN 202021094814U CN 212760273 U CN212760273 U CN 212760273U
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- China
- Prior art keywords
- exhaust hood
- hood
- main body
- main part
- pollutant
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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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- 239000000428 dust Substances 0.000 claims abstract description 29
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000030279 gene silencing Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 25
- 231100000719 pollutant Toxicity 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 11
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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Abstract
The utility model discloses a novel exhaust hood belongs to the exhaust hood field, including the exhaust hood main part, the inside rotary device and scalable pipe that is equipped with of exhaust hood main part, and the bottom of exhaust hood main part is equipped with the gas collecting channel, the inside amortization cotton that is equipped with of gas collecting channel, the outside has connect the exhaust hood dustcoat, adjusts the amount of wind of exhaust hood main part and dustcoat through two flow control valves, realizes fluidic shielding effect and "tornado" effect, reaches the effect of accurate entrapment pollutant. The utility model discloses an expansion of pollutant entrapment scope is realized to rotary device and scalable pipe, through the cotton noise that reduces the pollutant entrapment in-process of amortization, realizes the filtration of pollutant and the recovery of recoverable thing through the dust collection box, through the holistic stability of antidetonation support reinforcing exhaust hood, improves the life of exhaust hood.
Description
Technical Field
The utility model relates to an exhaust hood field specifically is a novel exhaust hood.
Background
The exhaust hood is used as an important ring in a local exhaust system, and the exhaust hood is used for capturing pollutants, controlling the diffusion of polluted gas and preventing the pollutants from spreading to indoor air. Through changing the air current motion of local exhaust hood mouth, directly come the entrapment harmful substance or control its diffusion in the workshop and realize the entrapment pollutant in the harmful substance place of giving off, its final purpose is to guarantee that indoor workspace harmful substance concentration does not exceed the requirement of national health standard, the personnel in the protection room.
The current exhaust hood structure is relatively more fixed, can't realize the accurate entrapment of the pollutant that gives out to different position pollution sources in the factory building, and current exhaust hood mostly is equipped with a fan, and its suction effect hardly satisfies remote pollutant entrapment, and current exhaust hood does not have the antidetonation device, can't guarantee the stability of exhaust hood work, and the impact of moreover owing to power leads to exhaust hood life to be shorter easily.
The shielding effect formed by the jet flow prevents air and the like outside the front of the air suction port of the local exhaust hood from entering the suction area, thereby the air suction range of the exhaust hood is accurate, and the aim of performing relatively long-distance relatively accurate control suction by using relatively small air suction amount is fulfilled.
Disclosure of Invention
The utility model aims to provide a: the exhaust hood mainly aims at solving the problems that the existing exhaust hood cannot treat pollutants at a long distance and cannot treat the pollutants completely.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel exhaust hood, includes the exhaust hood main part, and exhaust hood main part outside is equipped with the dustcoat, and exhaust hood dustcoat one end is connected with the forced draught blower, and vortex generator is installed to the other end, and the exhaust hood main part comprises rotary device and scalable pipe connection.
Preferably, the exhaust hood main body is fixed at the bottom end of the exhaust hood main body through the anti-seismic support and is provided with a gas-collecting hood, the side surface inside the gas-collecting hood is provided with silencing cotton,
preferably, the outer cover is provided with a first flow regulating valve, a first orifice plate flowmeter is arranged right left of the first flow regulating valve, the exhaust hood main body is connected to the suction fan through a dust collecting box, a filter screen and a detachable dust collecting chamber are arranged inside the dust collecting box, a second flow regulating valve and a second orifice plate flowmeter are arranged on one section of the exhaust hood main body connected with the dust collecting box, and preferably, the exhaust hood main body and the outer cover are both of a hollow cylinder structure.
Preferably, a filter screen and a detachable dust collecting chamber are arranged in the dust collecting box.
Preferably, the associated hood body is fixed by means of anti-seismic brackets.
Preferably, the exhaust hood main body is composed of a plurality of groups of rotating devices and a plurality of groups of telescopic guide pipes.
Preferably, the exhaust hood outer cover is connected with the exhaust hood main body in a welding mode, a flow regulating valve and an orifice plate flowmeter are arranged on the exhaust hood outer cover, one end of the exhaust hood outer cover is connected with the air feeder, and the other end of the exhaust hood outer cover is provided with a vortex generator.
Specifically, the utility model discloses a rotating device, including first link and second link, its structure is the same, for hollow cake, all have the flange, the flange is processed all around has a plurality of connecting holes, first link and second link respectively with exhaust hood main part and former suction fan exit end interference fit, connect exhaust hood main part and former suction fan through the connecting hole, connect through the connecting hole with the different connecting hole on first link and the second link, realize 360 horizontal rotations of exhaust hood main part, when needing to change the pollutant entrapment place, only need rotatory exhaust hood the latter half threaded connection again can. In order to ensure sealing, elastic gaskets can be additionally arranged at the first connecting end and the second connecting end.
Specifically, the immovable guide pipe, the interlocking device and the movable guide pipe form a telescopic guide pipe, and the telescopic function of the guide pipe can be realized by moving the movable guide pipe and the interlocking device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the exhaust hood main part that sets up is connected exhaust fan and forced draught blower respectively with the dustcoat, is provided with rotary device and scalable pipe simultaneously, can realize that remote 360 rings inhale, and the clearance is thorough, strengthens the range of application of accurate entrapment pollutant.
Meanwhile, the air volume of the device is adjusted through the two flow regulating valves, a proper flow ratio is found, and the pollutants are accurately trapped.
Meanwhile, the filter screen and the dust chamber in the dust collection box can play a role of recycling when collecting certain recyclable substances, and the dust collection box can play a role of collection after being collected in the dust chamber and then being detached.
Simultaneously, the exhaust hood main part is fixed through antidetonation support, plays the stability of reinforcing exhaust hood and improves exhaust hood life's effect.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a structure diagram of the retractable duct of the present invention.
Fig. 3 is a front view of the dust cage of the present invention.
In the figure: 1. a hood body; 2. a housing; 3. a gas-collecting hood; 4. silencing cotton; 5. a vortex generator; 6. a first flow regulating valve; 7. a first orifice plate flow meter; 8. a blower; 9. a retractable catheter; 10. a rotating device; 11. a second flow regulating valve; 12. a second orifice flowmeter; 13. a dust collection box; 14. disassembling the dust collecting chamber; 15. a filter screen; 16. a suction fan; 17. an anti-seismic support; 21. a non-movable catheter; 22. an interlock device; 23. the catheter may be moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the implementation of the present invention, and it is obvious that the described embodiments are only examples of a part of the present invention, not all examples. Based on the embodiment in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the scope of protection of the present invention.
Referring to fig. 1-3, a novel exhaust hood, including an exhaust hood main body 1, an outer cover 2 is arranged outside, a gas collecting hood 3 is arranged at the bottom end, silencing cotton 4 is arranged on the side surface inside the gas collecting hood 3, one end of the exhaust hood outer cover 2 is connected with a blower 8, a swirl generator 5 is installed at the other end, a first flow regulating valve 6 is arranged on the outer cover 2, a first orifice flowmeter 7 is arranged right on the left side of the first flow regulating valve 6, the exhaust hood main body 1 is connected with a suction fan 16 through a dust collection box 13, a filter screen 15 and a detachable dust collection chamber 14 are arranged inside the dust collection box 13, a second flow regulating valve 11 and a second orifice flowmeter 12 are arranged on one section of the exhaust hood main body 1 connected with the dust collection box 13, the exhaust hood main body 1 is formed by connecting a rotating device 10 and a telescopic guide pipe 9, and.
The utility model discloses a set up dustcoat 2, forced draught blower 8, vortex generator 5, first flow control valve 6, second flow control valve 11, use two flow control valves to adjust the amount of wind to suitable flow ratio, realize utilizing fluidic shielding effect and "tornado effect" to realize the accurate entrapment pollutant of little amount of wind in the operation.
The utility model discloses a support 17 that takes precautions against earthquakes is fixed, effectively reduces the fan and causes the injury of vibrations to the exhaust hood main part.
The utility model discloses a rotary device design is simpler, including first link and second link, its structure is the same, for hollow cake, all have the flange, the flange is processed all around has a plurality of connecting holes, first link and second link respectively with exhaust hood main part 1 and 16 exit end interference fit of former suction fan, connect exhaust hood main part 1 and suction fan 16 through the connecting hole, connect through the connecting hole with the difference on first link and the second link, realize 360 horizontal rotation of exhaust hood main part 1, when needing to change pollutant entrapment place, only need the latter half of rotatory exhaust hood threaded connection again can. In order to ensure sealing, elastic gaskets can be additionally arranged at the first connecting end and the second connecting end.
Referring to fig. 2, the immovable duct 21, the interlock device 22, and the movable duct 23 form a telescopic duct 9, and the telescopic function of the duct can be realized by moving the movable duct 23 and the interlock device 22, thereby expanding the range of the exhaust hood.
Referring to fig. 3, the suction fan 16 is connected to the outlet of the dust box 13, the filter screen 15 and the detachable dust chamber 14 are disposed inside the dust box 13, during the process of collecting pollutants in daily life, large particles of pollutants can be accumulated in the dust chamber due to the fact that the large particles of pollutants cannot pass through the filter screen, and if the large particles of pollutants are recyclable materials, the large particles of pollutants can be collected by detaching the dust chamber.
The working principle is as follows: on the basis of original traditional outside cover of breathing in, its advantage and disadvantage has been considered, the dustcoat has been increased for it, through the control to first flow control valve and second flow control valve, observe first orifice plate flowmeter and second orifice plate flowmeter, select suitable flow ratio, the efflux that makes the dustcoat send not only has fluidic shielding effect, reduce the absorption range, reduce the required amount of wind of entrapment, and form "tornado effect" through certain whirl and angle, the suction effect of reinforcing exhaust hood, realize accurate entrapment pollutant, rotary device and scalable pipe in the exhaust hood main part are in order to make the exhaust hood can realize the accurate entrapment pollutant in the wider range through rotatory change angle. The silencing cotton is added in the gas-collecting hood, so that the normal work of workers in a factory is possibly influenced by the overlarge noise when the exhaust hood works, and the silencing cotton is arranged in the gas-collecting hood selected for improving the condition. The dust collection box connected with the exhaust hood main body is used for filtering large particles in pollutants and collecting the large particles through the detachable dust chamber, and the pollutants in certain occasions can be recycled. Finally, considering the whole load and working environment of the exhaust hood, the anti-seismic support is selected to fix the exhaust hood, so that the service life of the exhaust hood is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
Claims (7)
1. A novel exhaust hood comprises an exhaust hood main body (1) and is characterized in that,
an outer cover (2) is arranged at one end of an air inlet of the exhaust hood main body (1), one end, far away from the air inlet, of the outer cover (2) is connected with a blower (8), and a swirl generator (5) is arranged at one end, close to the air inlet, of the outer cover (2);
one end of the exhaust hood main body (1) far away from the air inlet is connected with a horizontal telescopic guide pipe (9) for realizing the horizontal movement of the exhaust hood main body (1);
the telescopic guide pipe (9) is connected with the suction fan (16) through the rotating device (10), and 360-degree rotation of the exhaust hood main body (1) is achieved.
2. The new exhaust hood according to claim 1, characterized in that, there are gas collecting hoods (3) at the bottom of the exhaust hood body (1), and there are silencing cotton (4) on the inner side of the gas collecting hoods (3).
3. The new exhaust hood according to claim 1, characterized in that the hood (2) is provided with a first flow regulating valve (6), and one side of the first flow regulating valve (6) is provided with a first orifice flowmeter (7).
4. The new exhaust hood according to claim 1, characterized in that the exhaust hood body (1) is connected to the suction fan (16) through a dust box (13), a filter screen (15) and a detachable dust chamber (14) are arranged in the dust box (13), and a section of the exhaust hood body (1) connected to the dust box (13) is provided with a second flow regulating valve (11) and a second orifice flowmeter (12).
5. A new hood as in claim 1, characterized by the fact that the hood body (1) is fixed by means of anti-seismic supports (17).
6. The new exhaust hood according to claim 1, characterized in that the hood (2) is connected to the hood body (1) by welding.
7. A novel hood, according to claim 1, characterized in that said retractable duct (9) comprises an immovable duct (21), an interlocking device (22) and a movable duct (23), the immovable duct (21) and the movable duct (23) being connected by the interlocking device (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094814.3U CN212760273U (en) | 2020-06-15 | 2020-06-15 | Novel exhaust hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094814.3U CN212760273U (en) | 2020-06-15 | 2020-06-15 | Novel exhaust hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212760273U true CN212760273U (en) | 2021-03-23 |
Family
ID=75071690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021094814.3U Expired - Fee Related CN212760273U (en) | 2020-06-15 | 2020-06-15 | Novel exhaust hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212760273U (en) |
-
2020
- 2020-06-15 CN CN202021094814.3U patent/CN212760273U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210323 |