Welding flue gas purification device

By introducing a filter rack and suction box into the welding fume purification device and using an air pump to collect large particles of impurities, the problem of filter cartridge clogging caused by impurities in the welding fume is solved, achieving a stable purification effect and convenient maintenance.

CN223404626UActive Publication Date: 2025-10-03JIANGSU HONGXIN ENVIRONMENTAL PROTECTION EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422712926.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-03
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

When existing welding fume purification devices inhale fume, large particles of impurities such as welding debris carried by them easily cause the filter cartridge to be clogged, affecting the purification effect.

Method used

A device including a filter stand, a suction box and an air pump is designed. The filter stand is used to filter large particles of impurities, and the suction box and air pump are used to collect the impurities into a collection bag to prevent them from entering the filter cartridge. The collection bag is cleaned regularly to solve the blockage problem.

Benefits of technology

It effectively avoids the clogging of the filter cartridge, maintains the flue gas purification effect, and facilitates the maintenance and use of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a welding flue gas purification device, which belongs to the technical field of flue gas purification and comprises a movable bottom plate and a purification box body, a fan partition plate is arranged in the purification box body, a purification pipeline is arranged between the top of the fan partition plate and the purification box body, and a support frame is arranged on the inner wall of one end, close to the top, of the purification pipeline. A filtering frame is arranged on the supporting frame, a limiting frame is arranged on the outer edge of the top of the filtering frame, a supporting plate is arranged on the inner wall of the end, close to the top, of the filtering frame, a driving part is arranged in the middle of the supporting plate, and a transmission rod is arranged at the output end of the driving part; a suction cover is arranged between one end of the bottom of the transmission rod and the middle of the bottom of the filter frame, and a suction box is arranged between one side of the suction cover and the inner wall of the filter frame. According to the utility model, the filter frame, the suction box and other components are matched for use, so that large-particle impurities in the smoke can be effectively separated from the smoke, and the blockage of the filter cartridge is prevented from being aggravated.
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Description

Technical Field

[0001] The utility model relates to the technical field of fume purification, in particular to a welding fume purification device. Background Art

[0002] Welding fumes are primarily generated during the welding process in industrial production. These fumes, including dust, carbon monoxide, ozone, and nitrogen dioxide, are extremely harmful to the human body. With increasingly stringent environmental protection requirements in China, the fume purification equipment currently on the market is diverse and diverse. Mobile fume purifiers, using cartridge filters, are often used to treat fume at dispersed welding stations within industrial plants.

[0003] However, existing welding fume purification devices have the following problems during use: During the fume absorption process, the inhaled fume often carries large impurities such as welding debris. Excessive impurities can cause clogging of the filter cartridge, affecting the fume purification effect. Therefore, a corresponding technical solution is needed to address this technical problem. Utility Model Content

[0004] The purpose of the utility model is to provide a welding fume purification device, which solves the technical problem that when the fume is absorbed, the fume inhaled will carry large particles of impurities such as welding debris, and excessive impurities will aggravate the blockage of the filter cartridge, thereby affecting the purification effect of the fume, thereby meeting actual use needs.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: comprising a movable bottom plate and a purification box, a fan partition is provided inside the purification box, a purification duct is provided between the top of the fan partition and the purification box, a support frame is provided on the inner wall of the purification duct near one end of the top, a filter rack is provided on the support frame, a limit frame is provided on the outer edge of the top of the filter rack, a support plate is provided on the inner wall of the filter rack near one end of the top, a driving member is provided in the middle position of the support plate, and a transmission mechanism is provided on the output end of the driving member. Rod, a suction cover is provided between one end of the bottom of the transmission rod and the middle of the bottom of the filter frame, a suction box is provided between one side of the suction cover and the inner wall of the filter frame, brushes are provided on both sides of the suction box, a collecting box is provided on the top of the fan partition, a connecting pipe 1 is provided between the top of the collecting box and the filter frame, a collecting bag is provided inside the collecting box, a connecting pipe 2 is provided between the top of the collecting bag and the top of the collecting box, a support plate is provided inside the collecting box, and an air pump is provided in the bottom of the collecting box.

[0006] As a preferred embodiment of the present invention, a plurality of pulleys are installed on the bottom of the movable base plate, an exhaust port is provided between the bottom of the movable base plate and the purification box body, a push handle is installed on the outer edge of the purification box body near the top end, a smoking arm is provided on the top of the purification box body, and a filter cartridge is provided on the purification pipe near the bottom end.

[0007] As a preferred embodiment of the present invention, a purification air pump is provided in the bottom of the purification box, the purification air pump is connected to the purification pipe, the support frame is a circular ring structure, the filter frame as a whole is a truncated cone structure, the bottom of the filter frame is connected to the connecting pipe, and the driving part is composed of a fixed shell, a reduction gear set and a driving motor.

[0008] As a preferred embodiment of the present invention, a groove is provided on the side of the suction hood for use with the suction box, the opening of the suction box is fitted against the inner wall of the filter frame, the bottom of the collection box is fixedly connected to the fan partition with bolts, and the purification box body is provided with an inspection box door at the position of the collection box.

[0009] As a preferred embodiment of the present invention, the top of the collecting bag is threadedly connected to the connecting pipe 2, the bottom of the collecting bag is located on the top of the support plate, and one end of the air inlet pipe of the air pump is connected to the support plate.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] By using the filter rack and suction box and other components in conjunction with each other, large particles of impurities in the flue gas can be filtered while the flue gas is inhaled, and with the help of the air pump, the large particles of impurities can be sucked into the collection bag to avoid entering the filter cartridge and aggravating the blockage of the filter cartridge. After filtering for a period of time, the inspection box door can be opened, the collection box can be removed from the purification box, and the collection bag can be cleaned and replaced for easy use, thereby solving the problem of affecting the purification effect of the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the purification pipeline described in the utility model;

[0014] Figure 3 This is a structural diagram of the filter frame described in the utility model;

[0015] Figure 4 This is a structural diagram of the collection box described in the present utility model.

[0016] In the figure: exhaust port -1, movable bottom plate -2, purification box -3, fan partition -4, maintenance box door -5, collection box -6, purification pipe -7, push handle -8, smoking arm -9, purification air pump -10, support frame -11, limit frame -12, filter frame -13, connecting pipe 1 -14, filter cartridge -15, support plate -16, brush -17, transmission rod -18, suction cover -19, driving member -20, suction box -21, collection bag -22, support plate -23, air pump -24, connecting pipe 2 -25. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-4 The utility model provides a technical solution: a welding fume purification device, comprising: a movable bottom plate 2 and a purification box body 3, a fan partition 4 is provided inside the purification box body 3, a purification pipe 7 is provided between the top of the fan partition 4 and the purification box body 3, the purification pipe 7 is provided with a support frame 11 on the inner wall near the top end, a filter frame 13 is provided on the support frame 11, a limit frame 12 is provided on the top outer edge of the filter frame 13, a support plate 16 is provided on the inner wall near the top end of the filter frame 13, a driving member 20 is provided in the middle position of the support plate 16, and a filter frame 13 is provided on the output end of the driving member 20. A transmission rod 18, a suction cover 19 is provided between one end of the bottom of the transmission rod 18 and the middle of the bottom of the filter frame 13, a suction box 21 is provided between one side of the suction cover 19 and the inner wall of the filter frame 13, and brushes 17 are provided on both sides of the suction box 21. A collecting box 6 is provided on the top of the fan partition 4, a connecting pipe 14 is provided between the top of the collecting box 6 and the filter frame 13, a collecting bag 22 is provided inside the collecting box 6, a connecting pipe 25 is provided between the top of the collecting bag 22 and the top of the collecting box 6, a support plate 23 is provided inside the collecting box 6, and an air pump 24 is provided at the bottom of the collecting box 6.

[0019] As a further improvement, a number of pulleys are installed on the bottom of the movable base plate 2, an exhaust port 1 is provided between the bottom of the movable base plate 2 and the purification box 3, a push handle 8 is installed on the outer edge of the purification box 3 near the top end, a smoking arm 9 is provided on the top of the purification box 3, and a filter cartridge 15 is provided at a position near the bottom end of the purification pipe 7.

[0020] For further improvement, a purification air pump 10 is provided at the bottom of the purification box 3, the purification air pump 10 is connected to the purification pipe 7, the support frame 11 is a circular ring structure, the filter frame 13 is a truncated cone structure as a whole, the bottom of the filter frame 13 is connected to the connecting pipe 14, and the driving part 20 is composed of a fixed shell, a reduction gear set and a driving motor.

[0021] As a further improvement, a groove is provided on the side of the suction cover 19 for use with the suction box 21, the opening of the suction box 21 fits against the inner wall of the filter frame 13, the bottom of the collection box 6 is fixedly connected to the fan partition 4 by bolts, and the purification box body 3 is installed with an inspection box door 5 at the position of the collection box 6.

[0022] As a further improvement, the top of the collecting bag 22 is threadedly connected to the second connecting pipe 25 , the bottom of the collecting bag 22 is located on the top of the support plate 23 , and one end of the air inlet pipe of the air pump 24 is connected to the support plate 23 .

[0023] During use: the utility model first moves the entire equipment to the welding position, then moves the smoking arm 9 to the flue gas position, and starts the purified air pump 10 to suck the flue gas into the purification pipe 7. The flue gas first passes through the filter rack 13 to filter out some large particles of impurities in the flue gas, and the impurities remain on the filter rack 13. At this time, the driving member 20 drives the lost suction cover 19 to rotate, and synchronously drives the suction box 21 to rotate on the inner wall of the filter rack 13. At this time, the air pump 24 is turned on to absorb the impurities on the position of the filter rack 13 covered by the suction box 21, and gradually concentrate them in the collection bag 22 to prevent impurities from affecting the filter cartridge 15. After filtering for a period of time, the inspection box door 5 can be opened, and the collection box 6 can be removed from the purification box body 3 to clean and replace the collection bag.

[0024] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A welding fume purification device, characterized in that: The invention comprises a movable bottom plate (2) and a purification box (3), wherein a fan partition (4) is provided inside the purification box (3), a purification pipe (7) is provided between the top of the fan partition (4) and the purification box (3), a support frame (11) is provided on the inner wall of the purification pipe (7) near the top end, a filter frame (13) is provided on the support frame (11), a limit frame (12) is provided on the top outer edge of the filter frame (13), a support plate (16) is provided on the inner wall near the top end of the filter frame (13), a driving member (20) is provided in the middle position of the support plate (16), a transmission rod (18) is provided on the output end (20) of the driving member (20), and a bottom end of the transmission rod (18) is provided. A suction cover (19) is provided between the end and the middle of the bottom of the filter frame (13), a suction box (21) is provided between one side of the suction cover (19) and the inner wall of the filter frame (13), brushes (17) are provided on both sides of the suction box (21), a collection box (6) is provided on the top of the fan partition (4), a connecting pipe (14) is provided between the top of the collection box (6) and the filter frame (13), a collection bag (22) is provided inside the collection box (6), a connecting pipe (25) is provided between the top of the collection bag (22) and the top of the collection box (6), a support plate (23) is provided inside the collection box (6), and an air pump (24) is provided in the bottom of the collection box (6).

2. A welding fume purification device according to claim 1, characterized in that: A plurality of pulleys are installed on the bottom of the movable base plate (2), an exhaust port (1) is provided between the bottom of the movable base plate (2) and the purification box (3), a push handle (8) is installed on the outer edge of the purification box (3) near the top end, a smoking arm (9) is provided on the top of the purification box (3), and a filter cartridge (15) is provided on the purification pipe (7) near the bottom end.

3. The welding fume purification device according to claim 1, characterized in that: A purification air pump (10) is provided in the bottom of the purification box (3), and the purification air pump (10) is connected to the purification pipe (7). The support frame (11) is an annular structure. The filter frame (13) is a truncated cone structure as a whole. The bottom of the filter frame (13) is connected to the connecting pipe (14). The driving member (20) is composed of a fixed housing, a reduction gear set and a driving motor.

4. The welding fume purification device according to claim 1, characterized in that: A groove for cooperating with the suction box (21) is provided on the side of the suction cover (19); the opening of the suction box (21) is fitted on the inner wall of the filter frame (13); the bottom of the collection box (6) is fixedly connected to the fan partition (4) by bolts; and the purification box body (3) is provided with an inspection box door (5) at the position of the collection box (6).

5. The welding fume purification device according to claim 1, characterized in that: The top of the collecting bag (22) is threadedly connected to the second connecting pipe (25), the bottom of the collecting bag (22) is located on the top of the support plate (23), and one end of the air inlet pipe of the air pump (24) is connected to the support plate (23).