Encirclement type dust removal system
By using a closed-loop dust removal system where the suction hood and baffles enclose a circular space, combined with filter plates and filters to treat welding fumes, the problem of unsatisfactory dust removal effect caused by the long distance between the welding point and the suction hood is solved, achieving efficient welding fume purification and safe emission.
Patent Information
- Application Number
- CN202520132644.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The welding fumes generated during welding have an unsatisfactory dust removal effect because the welding point is far from the suction hood.
An enclosed dust removal system is adopted, in which welding operations are carried out in a circular space enclosed by a suction hood and baffles. The welding fumes are filtered by filter plates and filter screens, and then extracted by a fan.
While ensuring space for operators, it effectively treats welding fumes in a timely manner, improving dust removal efficiency, and ensures safer exhaust through purification via filter plates and filters.
Smart Images
Figure CN223747200U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust removal equipment technical field especially relates to a kind of surrounding dust removal system. BACKGROUND
[0002] In prior art, when machining in factory, particulate pollutants can be generated, such as welding operation, welding fume generated can cause health damage to operator, so dust removal operation is often needed when welding to timely remove welding fume and avoid pollution of surrounding environment to cause injury to operator (operator can also wear mask, but this can also cause pollution of surrounding environment, and mask can be overloaded after long time, and operator can also be injured if not replaced in time). When performing, suction hood is generally arranged above operation site, bottom surface of suction hood is located above operation site, and top is connected to exhaust fan, when welding in operation site, exhaust fan operates to move welding fume downward, so as to achieve dust removal purpose. In actual operation, suction hood often needs to be arranged at high position to avoid blocking operator, but distance between suction hood and welding position can be far, so that final dust removal effect is not ideal. SUMMARY
[0003] In view of deficiencies in prior art, the utility model provides a kind of surrounding dust removal system, which solves the problem of poor dust removal effect caused by long distance between welding position and suction hood in prior art.
[0004] According to the embodiment of the utility model, a kind of surrounding dust removal system, it includes suction hood, suction hood has arc suction surface perpendicular to ground, and a plurality of suction holes for communicating inside and outside suction hood are arranged on suction surface, suction hood is also detachably connected with baffle that is enclosed with suction surface to form circular space, filter plate is also fixedly arranged in suction hood, and filter screen is detachably arranged, suction hood is also fixedly connected with air duct opposite to suction surface, and air duct is connected with exhaust fan, filter plate and filter screen are arranged between suction surface and air duct, and filter plate is arranged close to suction surface.
[0005] In the above embodiment, welding operation is carried out in circular space enclosed by suction surface and baffle, welding fume generated can be timely drawn into suction hood in short distance, and after treatment of filter plate and filter screen, it is drawn away by exhaust fan, which plays a dust removal role, and operator can also operate in enclosed circular space, so that the problem of poor dust removal effect caused by long distance between welding position and suction hood in prior art is solved.
[0006] Further, maintenance door is arranged between filter plate and filter screen on suction hood.
[0007] Furthermore, a first positioning plate and a second positioning plate are fixedly connected inside the suction hood. The first positioning plate and the second positioning plate are located between the filter plate and the air guide pipe, and the first positioning plate and the second positioning plate are also provided with several through holes. The suction hood is also provided with a bayonet that communicates with the first positioning plate and the second positioning plate. The filter screen enters or exits between the first positioning plate and the second positioning plate through the bayonet.
[0008] Furthermore, a partition is fixedly connected between the first positioning plate and the second positioning plate. The filter screen includes a pair and a pair of slots are provided on the suction hood. The two filter screens enter through the two slots and abut against the two sides of the partition respectively.
[0009] Furthermore, the filter screen is also fixedly connected to a cover plate, which covers the outside of the bayonet opening.
[0010] Furthermore, the suction hood is fixedly connected to a pair of mounting blocks located above and below it, and one end of the baffle is rotatably connected to the two mounting blocks via mounting shafts.
[0011] Furthermore, the baffles include a pair of opposing baffles, and the opposing sides of the two baffles are also fixedly connected to mating plates that can abut against each other.
[0012] Furthermore, it also includes a rotating platform located at the center of a circle formed by the suction surface and the baffle.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] The suction hood and baffles form a circular space, within which welding operations are performed. This ensures sufficient space for operators and allows welding fumes to be treated more quickly and efficiently over a shorter distance, thus solving the problem of poor dust removal caused by the distance between the welding point and the suction hood in existing technologies. Furthermore, filter plates and filters are installed inside the suction hood for filtration, further purifying the welding fumes and ensuring safer exhaust. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0016] Figure 2 for Figure 1 Enlarged schematic diagram of a local structure at point A;
[0017] Figure 3 for Figure 1 Enlarged schematic diagram of the local structure at point B;
[0018] Figure 4 This is a schematic diagram of the connection structure between the baffle and the mounting block in an embodiment of the present utility model;
[0019] In the above-described figures:
[0020] Suction hood 1, suction surface 2, baffle 3, filter plate 4, filter screen 5, air duct 6, access door 7, first positioning plate 8, second positioning plate 9, partition plate 10, cover plate 11, mounting block 12, mounting shaft 13, butt plate 14, rotating table 15. DETAILED DESCRIPTION
[0021] The technical solutions in the utility model will be further described below in combination with the drawings and examples.
[0022] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.
[0023] In the exemplary embodiments, as Figure 1As shown, the embodiment provides an enclosing dust removal system, which comprises a suction hood 1 with an arc-shaped suction surface 2 perpendicular to the ground, a plurality of suction holes communicating inside and outside the suction hood 1 are arranged on the suction surface 2, the suction hood 1 is also detachably connected with a baffle 3 enclosing a circular space with the suction surface 2, a filter plate 4 and a filter screen 5 are fixedly arranged in the suction hood 1, the suction hood 1 is also fixedly connected with a wind guide pipe 6 opposite to the suction surface 2 and connected with an air extractor, the filter plate 4 and the filter screen 5 are arranged between the suction surface 2 and the wind guide pipe 6 and the filter plate 4 is arranged close to the suction surface 2, the suction holes are arranged with a large aperture to allow the welding fume to smoothly enter the suction hood 1, that is, the suction holes mainly do not play a filtering role, while the holes on the filter plate 4 and the filter screen 5 are more dense, and the filter screen 5 can be a network structure with a certain thickness (a porous structure similar to a sponge), so that the welding fume sucked into the suction hood 1 is filtered and then extracted by the air extractor, sent to subsequent purification equipment for further treatment and then discharged, reducing the load of subsequent purification; more specifically, a maintenance door 7 is arranged between the filter plate 4 and the filter screen 5 on the suction hood 1 to facilitate the maintenance of the filter plate 4 and the filter screen 5, wherein the filter screen 5 is detachable and can be detached for further cleaning; in the scheme, welding operation is performed in the circular space enclosed by the suction surface 2 and the baffle 3, the welding fume generated can be timely extracted into the suction hood 1 at a short distance, and then extracted by the air extractor after being treated by the filter plate 4 and the filter screen 5, thereby playing a dust removal role, and the operator can also operate in the enclosed circular space, thereby solving the problem of poor dust removal effect caused by the long distance between the welding position and the suction hood 1 in the prior art.
[0024] As shown, the embodiment provides an enclosing dust removal system, which comprises a suction hood 1 with an arc-shaped suction surface 2 perpendicular to the ground, a plurality of suction holes communicating inside and outside the suction hood 1 are arranged on the suction surface 2, the suction hood 1 is also detachably connected with a baffle 3 enclosing a circular space with the suction surface 2, a filter plate 4 and a filter screen 5 are fixedly arranged in the suction hood 1, the suction hood 1 is also fixedly connected with a wind guide pipe 6 opposite to the suction surface 2 and connected with an air extractor, the filter plate 4 and the filter screen 5 are arranged between the suction surface 2 and the wind guide pipe 6 and the filter plate 4 is arranged close to the suction surface 2, the suction holes are arranged with a large aperture to allow the welding fume to smoothly enter the suction hood 1, that is, the suction holes mainly do not play a filtering role, while the holes on the filter plate 4 and the filter screen 5 are more dense, and the filter screen 5 can be a network structure with a certain thickness (a porous structure similar to a sponge), so that the welding fume sucked into the suction hood 1 is filtered and then extracted by the air extractor, sent to subsequent purification equipment for further treatment and then discharged, reducing the load of subsequent purification; more specifically, a maintenance door 7 is arranged between the filter plate 4 and the filter screen 5 on the suction hood 1 to facilitate the maintenance of the filter plate 4 and the filter screen 5, wherein the filter screen 5 is detachable and can be detached for further cleaning; in the scheme, welding operation is performed in the circular space enclosed by the suction surface 2 and the baffle 3, the welding fume generated can be timely extracted into the suction hood 1 at a short distance, and then extracted by the air extractor after being treated by the filter plate 4 and the filter screen 5, thereby playing a dust removal role, and the operator can also operate in the enclosed circular space, thereby solving the problem of poor dust removal effect caused by the long distance between the welding position and the suction hood 1 in the prior art. Figure 1 、 2As shown, the suction hood 1 is fixedly connected with a first positioning plate 8 and a second positioning plate 9, the first positioning plate 8 and the second positioning plate 9 are located between the filter plate 4 and the air duct 6, and a plurality of through holes are further provided on the first positioning plate 8 and the second positioning plate 9, which do not play a filtering role, and the suction hood 1 is further provided with a bayonet hole communicated between the first positioning plate 8 and the second positioning plate 9, and the filter screen 5 enters or exits between the first positioning plate 8 and the second positioning plate 9 through the bayonet hole; the first positioning plate 8 and the second positioning plate 9 form a frame in the suction hood 1 for installing the filter screen 5, so that the filter screen 5 is stable, and further, the first positioning plate 8 and the second positioning plate 9 are further fixedly connected with a partition plate 10 at the middle thereof, the filter screen 5 includes a pair of bayonet holes provided on the suction hood 1, and the two filter screens 5 enter the two bayonet holes respectively and abut against the two sides of the partition plate 10, so that the filter screen 5 is disassembled and installed on both sides of the suction hood 1, which is more convenient to operate, and the filter screen 5 is further fixedly connected with a cover plate 11 covering the outside of the bayonet hole, and the cover plate 11 can be further fastened by bolts and the like to ensure the installation stability of the filter screen 5 and the suction hood 1.
[0025] As shown in Figure 1 , 3 and 4, the suction hood 1 is fixedly connected with a pair of mounting blocks 12 located above and below, and the baffle 3 is rotatably connected with the two mounting blocks 12 through mounting shafts 13 at opposite ends, so that the baffle 3 is rotatably opened and closed to the arc-shaped opening, facilitating the equipment to enter the circular space and then being welded after being closed, and further, the baffle 3 includes a pair of opposite baffles, and the opposite sides of the two baffles 3 are further fixedly connected with abutting butt plates 14, so that one of the baffles 3 or both of the baffles 3 can be opened according to the situation when opened, making the operation more convenient; in a more detailed scheme, a rotating table 15 is further provided in the center of the circular space enclosed by the suction surface 2 and the baffle 3, and the rotating table 15 is arranged in the center of the circular space, and the equipment can be placed on the rotating table 15, and the welding position is directed to the suction surface 2 by rotating, so that the dust removal effect is better.
[0026] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.
Claims
1. An enclosure dust extraction system characterised in that, The suction hood has an arc-shaped suction surface perpendicular to the ground, a plurality of suction holes are arranged on the suction surface to communicate the inside and outside of the suction hood, a baffle is detachably connected with the suction surface to enclose a circular space, a filter plate is fixedly arranged in the suction hood, a filter screen is detachably arranged in the suction hood, a wind guide pipe is fixedly connected with the suction surface opposite to the suction surface, and an air extractor is connected with the wind guide pipe.
2. An enclosure dust extraction system as claimed in claim 1, wherein, A maintenance door is arranged on the suction hood between the filter plate and the filter screen.
3. The containment dust collection system of claim 1, wherein, First and second positioning plates are fixedly connected in the suction hood, the first and second positioning plates are located between the filter plate and the wind guide pipe, a plurality of through holes are arranged on the first and second positioning plates, and a clamping opening is arranged on the suction hood to communicate between the first and second positioning plates.
4. An enclosure dust extraction system as claimed in claim 3, wherein, The filter screen enters or exits between the first and second positioning plates through the clamping opening.
5. An enclosure dust control system as claimed in claim 4 wherein, The filter screen includes a pair of filter screens, and the suction hood is provided with a pair of clamping openings.
6. An enclosure dust extraction system as claimed in any one of claims 1 to 5 wherein, The filter screen is fixedly connected with a cover plate.
7. An enclosure dust control system as claimed in claim 6 wherein, The suction hood is fixedly connected with a pair of mounting blocks arranged above and below the suction hood, and the baffle is rotatably connected with the mounting blocks through mounting shafts.
8. The containment dust collection system of claim 1, wherein, The baffle includes a pair of baffles arranged opposite to each other, and the baffles are fixedly connected with abutting butt plates on opposite sides. A rotating table is arranged in the center of the circular space enclosed by the suction surface and the baffle.