Waste gas recovery treatment device in steel structure manufacturing process

By using a motor-driven cam and sliding plate structure during the steel structure manufacturing process, dust is automatically shaken off the filter screen. Combined with a water pump and multi-stage filtration, the problem of filter screen clogging is solved, automated cleaning is achieved, and equipment operating efficiency is improved.

CN224009402UActive Publication Date: 2026-03-20YUNNAN NIANGUAN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In the existing steel structure manufacturing process, the filter screens frequently become clogged in harsh environments, requiring frequent manual cleaning and affecting work efficiency.

Method used

It adopts a structure of first motor, cam and sliding plate to automatically shake off the dust on the filter screen. Combined with water pump and filter mechanism, it realizes automated cleaning and filtration, reducing manual intervention.

Benefits of technology

This effectively prevents the filter from clogging in harsh environments, reduces the frequency of manual cleaning, and improves work efficiency and equipment stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of treatment devices, and discloses a waste gas recovery treatment device in a steel structure manufacturing process, which comprises a device shell, a first outer box and a filtering mechanism, the bottom of the device shell is fixedly connected with supporting legs, and the filtering mechanism is arranged in the device shell. A first outer box is fixedly connected to the left side of the device shell, a suction fan is arranged in the first outer box, a sliding frame is slidably connected to the interior of the first outer box, a first filter screen is fixedly connected to the interior of the sliding frame, a first motor is fixedly connected to the exterior of the first outer box, and a cam is fixedly connected to the output end of the first motor; the cam is matched with the first fixing rod to drive the sliding frame to slide in a reciprocating mode to shake off dust. Compared with the situation that a worker needs to frequently clean the filter screen, a first motor, a cam, a first sliding plate and a first fixing rod are additionally arranged, when the cam rotates to push the first fixing rod, the first sliding plate and a sliding frame slide, and dust on the surface of the first filter screen is shaken off.
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Description

TECHNICAL FIELD

[0001] The utility model relates to processing device field especially relates to a waste gas recovery treatment device in steel structure manufacturing process. BACKGROUND

[0002] The waste gas filter device is also called waste gas recovery treatment device, which is used for filtering a large amount of waste gas generated in the process of steel structure manufacturing, such as welding, cutting, coating and other processes, containing particulate matter, volatile organic compounds and other pollutants, to prevent its emission from causing serious harm to the environment and human health.

[0003] According to the steel structure spraying waste gas filter device (authorization announcement number: CN212915027U) disclosed by the patent network, the utility model relates to a kind of steel structure spraying waste gas filter device, including shell, the shell inner chamber is sequentially divided into pollution collection cavity, deposition cavity, filter cavity and disinfection cavity by baffle from bottom to top, the pollution collection cavity bottom side is equipped with arc fairlead, the deposition cavity side wall is equipped with suction box, the deposition cavity is equipped with air deflector near the suction box side, the deposition cavity is equipped with water storage tank away from the suction box side, the water storage tank is equipped with water pipe, the water pipe is equipped with water pump, the filter cavity is equipped with filter box, the filter box includes high-efficiency filter screen, waste gas filter screen and activated carbon filter plate, the disinfection cavity is equipped with a plurality of ultraviolet disinfection lamp, and the ultraviolet disinfection lamp is longitudinally staggered, the both sides of disinfection cavity are equipped with exhaust fan, the utility model can carry out multiple filtration purification to waste gas, and can also atomize and collect the particulate impurities carried in waste gas.

[0004] For the above description, the applicant believes that the following problems exist:

[0005] In the use process of the utility model, the external waste gas is filtered by the filter screen in the suction box and then sucked into the device for treatment. In actual use, the waste gas containing impurities is preliminarily filtered by the filter screen, which will cause some intercepted impurities to adhere to the filter screen. When the dust adheres too much, it will hinder the air inlet of the suction port and affect the normal operation of the device. At this time, manual cleaning is required. However, when the equipment is in a relatively harsh environment, the filter screen needs to be cleaned frequently by manual personnel, which greatly affects the efficiency of the treatment work. Therefore, a waste gas recovery treatment device in steel structure manufacturing process is needed to solve the above problems. Utility model content

[0006] In order to overcome the problem that when the equipment is in a relatively harsh environment, the clogged filter screen needs to be cleaned frequently, which greatly increases the burden of workers.

[0007] The utility model discloses a technical scheme for a waste gas recovery and treatment device in a steel structure manufacturing process, which comprises a device shell, a first outer box and a filtering mechanism.

[0008] Preferably, the first outer box is provided with a sliding groove at the relative position of the sliding frame, and the sliding frame is slidingly connected in the sliding groove.

[0009] Preferably, the first outer box is fixedly connected with a fixed plate on the outside, a spring is fixedly connected between the fixed plate and the first sliding plate, a dust guide groove is fixedly connected in the first outer box, a dust collecting box is slidingly connected in the first outer box, a second outer box is fixedly connected on the outside of the device shell, a water suction pipe is fixedly connected in the second outer box, a water suction pump body is arranged on the top of the dust collecting box, the water suction pipe is fixedly connected on the right side of the water suction pump body, a conveying pipe is fixedly connected on the left side of the water suction pump body, the conveying pipe is fixedly connected in the device shell, a spray head is fixedly connected on the bottom of the conveying pipe, a flow guide hopper is fixedly connected in the device shell, a water collecting tank is fixedly connected in the device shell, and a drain pipe is fixedly connected on the outside of the water collecting tank.

[0010] Preferably, the first outer box is provided with a sliding groove at the relative position of the dust collecting box, and the dust collecting box is slidingly connected in the sliding groove.

[0011] Preferably, the filtering mechanism comprises a third outer box, the third outer box is fixedly connected in the device shell, an air exhaust fan is arranged in the third outer box, an ultraviolet lamp body is arranged in the device shell, a drawing plate is slidingly connected in the device shell, a front filter screen body is arranged in the drawing plate, a dust filter screen body is arranged in the drawing plate, a carbon filter screen body is arranged in the drawing plate, a threaded rod is rotatably connected in the drawing plate, a second sliding plate is threadedly connected on the outside of the threaded rod, the second sliding plate is slidingly connected in the drawing plate, and a buckle is fixedly connected on the bottom of the second sliding plate.

[0012] Preferably, three drawing plates are provided, the three drawing plates are slidingly connected in the device shell from top to bottom, and the front filter screen body, the dust filter screen body and the carbon filter screen body are arranged in the three drawing plates respectively.

[0013] Preferably, the drawer has a groove at the relative position of the second sliding plate, and the second sliding plate is slidably connected inside the groove.

[0014] The beneficial effects of this utility model are as follows: Compared with the need for frequent cleaning of the filter screen by staff, by adding a first motor, cam, first sliding plate and first fixed rod, when the cam rotates and pushes the first fixed rod, the first sliding plate and sliding frame slide, shaking off the dust on the surface of the first filter screen, thereby avoiding the problem of frequently cleaning the clogged filter screen when the equipment is in a harsh environment, which greatly increases the burden on the staff. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional view of the outer casing of the device of this utility model;

[0017] Figure 3 This is a cross-sectional view of the first outer casing of this utility model;

[0018] Figure 4 This is an exploded structural diagram of the first motor and its connected components according to this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the second outer casing and its connected components of this utility model;

[0020] Figure 6 This is a schematic diagram of the filter mechanism of this utility model;

[0021] Figure 7 This is a schematic diagram of the filtration mechanism and its connected components of this utility model;

[0022] Figure 8 This is a cross-sectional view of the filter mechanism of this utility model.

[0023] Explanation of reference numerals in the attached drawings: 1. Device housing; 4. Support leg; 21. First outer casing; 22. Sliding frame; 23. First filter screen; 24. First motor; 25. Cam; 26. First sliding plate; 27. First fixing rod; 28. Fixing plate; 29. ​​Spring; 210. Ash guide trough; 211. Ash collection box; 212. Second outer casing; 213. Water pump pipe; 214. Water pump body; 215. Conveying pipe; 216. Spray head; 217. Flow guide hopper; 218. Water collection tank; 219. Drain pipe; 220. Suction fan; 31. Third outer casing; 32. Exhaust fan; 33. Ultraviolet lamp body; 34. Draw plate; 35. Pre-filter body; 36. Dust filter body; 37. Carbon filter body; 38. Threaded rod; 39. Second sliding plate; 310. Buckle. DETAILED DESCRIPTION

[0024] The utility model is further explained below in connection with the drawings and embodiments.

[0025] Please refer to Figure 1 - Figure 8 The utility model provides an embodiment: a waste gas recovery processing device in steel structure manufacturing process, including device shell 1 still including having first outer box 21 and filter mechanism, the bottom fixed connection of device shell 1 has support leg 4, the inside of device shell 1 is provided with filter mechanism, the left side fixed connection of device shell 1 has first outer box 21, the inside of first outer box 21 is provided with suction fan 220, the inside sliding connection of first outer box 21 has sliding frame 22, the inside fixed connection of sliding frame 22 has first filter screen 23, the outside fixed connection of first outer box 21 has first motor 24, the output of first motor 24 fixed connection has cam 25, the outside fixed connection of sliding frame 22 has first sliding plate 26, the outside fixed connection of first sliding plate 26 has first fixed link 27, through cam 25 and first fixed link 27 cooperation drive sliding frame 22 reciprocating sliding and shake off dust, when using, through suction fan 220 work, the waste gas is inhaled into first outer box 21 inside, when passing through first filter screen 23, through first filter screen 23 to the impurity of waste gas carries out preliminary filtration, after filtering the waste gas enters device shell 1 inside, by filter mechanism to the waste gas carries out sufficient filtration and exports, when the surface of first filter screen 23 is attached more impurities, through first motor 24 work, drive cam 25 rotation, cam 25 rotates and pushes first fixed link 27, drive first sliding plate 26 and sliding frame 22 slide, thereby shake off the impurity on the surface of first filter screen 23, avoid the impurity to accumulate more and block first filter screen 23, first outer box 21 is set in the relative position of sliding frame 22 and has the sliding slot, sliding frame 22 slidingly connects in the inside of sliding slot, through the sliding slot limit the sliding of sliding frame 22, prevent sliding frame 22 and deviate and affect first filter screen 23 to carry out the filtration of dust.

[0026] Please refer to Figure 1 - Figure 5In the embodiment, the first outer box 21 is fixedly connected with a fixed plate 28 outside, a spring 29 is fixedly connected between the fixed plate 28 and the first sliding plate 26, a guide gutter 210 is fixedly connected inside the first outer box 21, an ash collecting box 211 is slidingly connected inside the first outer box 21, a second outer box 212 is fixedly connected outside the device shell 1, a water pumping pipe 213 is fixedly connected inside the second outer box 212, a water pumping body 214 is arranged at the top of the ash collecting box 211, the water pumping pipe 213 is fixedly connected to the right side of the water pumping body 214, a conveying pipe 215 is fixedly connected to the left side of the water pumping body 214, the conveying pipe 215 is fixedly connected inside the device shell 1, a spraying head 216 is fixedly connected to the bottom of the conveying pipe 215, a flow guide hopper 217 is fixedly connected inside the device shell 1, a water collecting tank 218 is fixedly connected inside the device shell 1, a drain pipe 219 is fixedly connected outside the water collecting tank 218, the spring 29 provides a pushing force to the first sliding plate 26, the cam 25 pushes the first fixed rod 27 to slide, and then the first fixed rod 27 automatically rebounds to the original position, the first outer box 21 is provided with a sliding groove at the relative position of the ash collecting box 211, the ash collecting box 211 is slidingly connected inside the sliding groove, the position of the ash collecting box 211 is limited by the sliding groove, so that the ash collecting box 211 collects the dust shaken off by the first filter screen 23, prevents the dust from floating in the air again, and facilitates subsequent concentrated cleaning by the staff.

[0027] Please refer to Figure 2 、 Figure 6 - Figure 7In the embodiment, the filtering mechanism comprises a third outer box 31 fixedly connected to the inside of the device shell 1, the inside of the third outer box 31 is provided with an exhaust fan 32, the inside of the device shell 1 is provided with an ultraviolet lamp body 33, the inside of the device shell 1 is slidably connected with a drawer plate 34, the inside of the drawer plate 34 is provided with a front filter screen body 35, the inside of the drawer plate 34 is provided with a dust filter screen body 36, the inside of the drawer plate 34 is provided with a carbon filter screen body 37, the inside of the drawer plate 34 is rotatably connected with a threaded rod 38, the outside of the threaded rod 38 is threadedly connected with a second sliding plate 39, the second sliding plate 39 is slidably connected to the inside of the drawer plate 34, the bottom of the second sliding plate 39 is fixedly connected with a buckle 310, the exhaust gas is fully filtered through the front filter screen body 35, the dust filter screen body 36 and the carbon filter screen body 37, the pollution after generation is reduced, and the exhaust gas is discharged through the third outer box 31, the drawer plate 34 is provided with three, the three drawer plates 34 are sequentially slidably connected to the inside of the device shell 1 from top to bottom, and the front filter screen body 35, the dust filter screen body 36 and the carbon filter screen body 37 are respectively arranged in the inside of the three drawer plates 34, the corresponding drawer plate 34 is pulled out, so that the front filter screen body 35, the dust filter screen body 36 and the carbon filter screen body 37 are conveniently replaced and cleaned, the drawer plate 34 is provided with a sliding groove at the relative position of the second sliding plate 39, the second sliding plate 39 is slidably connected to the inside of the sliding groove, the sliding of the second sliding plate 39 is limited through the sliding groove, the second sliding plate 39 is prevented from being deviated, and the clamping of the drawer plate 34 on the filter plate is affected.

[0028] When working, the external exhaust gas is continuously sucked into the first outer box 21 by the work of the suction fan 220, and the exhaust gas is preliminarily filtered by the first filter screen 23. When the first filter screen 23 is attached with more impurities, the cam 25 is rotated by the work of the first motor 24, the first fixed rod 27 is pushed by the rotating cam 25, the first sliding plate 26 and the sliding frame 22 are driven to slide, the impurities on the surface of the first filter screen 23 are shaken off while the first fixed rod 27 is provided with a pushing force by the spring 29 to reciprocatingly slide, the impurities are guided to the ash collecting box 211 by the ash guide groove 210, the dust after preliminary filtering enters the device housing 1, the water in the second outer box 212 is pumped out by the work of the water pump body 214, the water is transported to the spray head 216 by the water suction pipe 213 and the conveying pipe 215, the water is dispersed and sprayed by the spray head 216, the dust in the exhaust gas of the device housing 1 is treated, the water and the dust fall into the water collecting tank 218, the exhaust gas after dust removal is continuously upwardly sucked by the work of the exhaust fan 32, and the exhaust gas is fully adsorbed and filtered by the front filter screen body 35, the dust filter screen body 36 and the carbon filter screen body 37 when passing through the three suction plates 34, the exhaust gas is fully purified, and then the exhaust gas is discharged to the outside of the device housing 1 through the third outer box 31, so that the purification of the exhaust gas is completed.

[0029] Through the above steps, the first motor 24, the cam 25, the first sliding plate 26 and the first fixed rod 27 are added to solve the problem that the workers are greatly burdened by frequently cleaning the blocked filter screen when the equipment is in a relatively harsh environment.

Claims

1. A waste gas recovery and treatment device for steel structure manufacturing process, comprising a device housing (1), characterized in that: It also includes a first outer box (21) and a filter mechanism. The bottom of the device housing (1) is fixedly connected to a support leg (4). The filter mechanism is installed inside the device housing (1). The left side of the device housing (1) is fixedly connected to the first outer box (21). The first outer box (21) is installed inside a suction fan (220). The first outer box (21) is slidably connected to a sliding frame (22). The sliding frame (22) is fixedly connected to a first filter screen (23). The first outer box (21) is fixedly connected to a first motor (24). The output end of the first motor (24) is fixedly connected to a cam (25). The sliding frame (22) is fixedly connected to a first sliding plate (26). The first sliding plate (26) is fixedly connected to a first fixing rod (27). The cam (25) and the first fixing rod (27) work together to drive the sliding frame (22) to slide back and forth and shake off the dust.

2. The waste gas recovery and treatment device in the steel structure manufacturing process according to claim 1, characterized in that: The first outer box (21) has a groove at the relative position of the sliding frame (22), and the sliding frame (22) is slidably connected inside the groove.

3. The waste gas recovery and treatment device in the steel structure manufacturing process according to claim 1, characterized in that: A fixing plate (28) is fixedly connected to the outside of the first outer casing (21). A spring (29) is fixedly connected between the fixing plate (28) and the first sliding plate (26). A dust guide trough (210) is fixedly connected inside the first outer casing (21). A dust collection box (211) is slidably connected inside the first outer casing (21). A second outer casing (212) is fixedly connected to the outside of the device housing (1). A water pump pipe (213) is fixedly connected inside the second outer casing (212). A water pump body (213) is installed on the top of the dust collection box (211). 4) A pumping pipe (213) is fixedly connected to the right side of the pump body (214). A conveying pipe (215) is fixedly connected to the left side of the pump body (214). The conveying pipe (215) is fixedly connected to the inside of the device housing (1). A spray head (216) is fixedly connected to the bottom of the conveying pipe (215). A guide bucket (217) is fixedly connected to the inside of the device housing (1). A water collection tank (218) is fixedly connected to the inside of the device housing (1). A drain pipe (219) is fixedly connected to the outside of the water collection tank (218).

4. The waste gas recovery and treatment device in the steel structure manufacturing process according to claim 3, characterized in that: The first outer box (21) has a groove at the relative position of the ash collection box (211), and the ash collection box (211) is slidably connected inside the groove.

5. The waste gas recovery and treatment device in the steel structure manufacturing process according to claim 1, characterized in that: The filtration mechanism includes a third outer box (31), which is fixedly connected to the inside of the device housing (1). An exhaust fan (32) is installed inside the third outer box (31). An ultraviolet lamp body (33) is installed inside the device housing (1). A drawer plate (34) is slidably connected inside the device housing (1). A pre-filter body (35) is installed inside the drawer plate (34). A dust filter body (36) is installed inside the drawer plate (34). A carbon filter body (37) is installed inside the drawer plate (34). A threaded rod (38) is rotatably connected inside the drawer plate (34). A second sliding plate (39) is threadedly connected to the outside of the threaded rod (38). The second sliding plate (39) is slidably connected inside the drawer plate (34). A buckle (310) is fixedly connected to the bottom of the second sliding plate (39).

6. The waste gas recovery and treatment device in the steel structure manufacturing process according to claim 5, characterized in that: There are three drawer plates (34), which are connected to the inside of the outer shell (1) of the device in sequence as upper, middle and lower. The pre-filter body (35), dust filter body (36) and carbon filter body (37) are respectively installed inside the three drawer plates (34).

7. A waste gas recovery and treatment device for steel structure manufacturing process according to claim 5, characterized in that: The draw plate (34) has a groove at a position relative to the second sliding plate (39), and the second sliding plate (39) is slidably connected inside the groove.

Citation Information

Patent Citations

  • Steel structure spraying waste gas filtering device

    CN212915027U