CN210786710U

CN210786710U - Electric welding flue gas processing apparatus

Info

Publication number: CN210786710U
Application number: CN201921522126.XU
Authority: CN
Inventors: 贾炜锋
Original assignee: Changzhou Aozhong Special Welding Materials Co Ltd
Current assignee: Changzhou Aozhong Special Welding Materials Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-19
Anticipated expiration: 2029-09-09

Abstract

The utility model provides an electric welding smoke treatment device, which comprises a shell; a flue gas collection device; a dust collecting device; the water tank is fixedly connected with the shell, one end of the air inlet hose penetrates through the upper side of the side wall of the water tank, the other end of the air inlet hose extends below the liquid level, the water filter cartridge is movably connected with the shell, and the air filtering opening is positioned on the water filter cartridge; and suction fans are arranged at the air inlet and the air inlet hose. The electric welding flue gas treatment device removes O3 and CO2 in the flue gas from the welded flue gas through water filtration, and can adjust the pH value of the aqueous solution according to different flue gas components to remove heavy metals in the flue gas. Simple structure and excellent purifying effect.

Description

Electric welding flue gas processing apparatus

Technical Field

The utility model relates to an environmental protection technology field, concretely relates to electric welding flue gas processing apparatus.

Background

In industrial production, welding of metal materials is one of the most basic and common structural member processing procedures, and while the welding technology is rapidly developed, the harm of welding fume (welding fume) to the environment and welding operators is also gradually attracting attention. During welding, a large amount of electric welding smoke is generated, the welding smoke contains a large amount of CO2, O3, metal oxides and the like, the working environment is polluted, particularly, under the condition of poor ventilation, the smoke concentration usually exceeds the national standard by several times, and various occupational hazards such as pneumoconiosis, manganese poisoning, respiratory inflammation, nerve fading and the like of an electric welder can be caused. Moreover, the visibility of a welding workshop can be influenced when the concentration of welding fume in the welding workshop is too high, and safety accidents are easy to happen.

The utility model discloses a utility model patent of bulletin number CA207628122U specifically discloses welding gas cleaning system, including weldment work platform, smoke suction hood and purifying box, be connected through the gas-supply pipe between smoke suction hood and the purifying box lower part, be close to smoke suction hood department on the gas-supply pipe and be equipped with the installation cover, be equipped with several evenly distributed's auxiliary smoke tube on the installation cover lateral wall, the other end of auxiliary smoke tube is connected with the suction head, the bottom is equipped with curved guide plate in the purifying box, supreme flue gas filter layer, flue gas adsorption layer and the flue gas cooling layer of being equipped with in proper order is followed to the middle part down in the purifying box, upper portion is equipped with a gas cleaning section of thick bamboo in the purifying box, and the flue gas import of a gas cleaning section of thick bamboo is located flue gas cooling layer top, and the flue gas export is located the purifying. The utility model provides the high absorption efficiency and the absorption wall of welding the cigarette are long-pending to can purify the welding cigarette, protected welding shop's operational environment.

The above patent adopts the flue gas filter layer to filter the flue gas and realize the purification purpose, but the tiny O3 and metal oxide molecules can still enter the surrounding environment through the filter layer, and the pollution problems of heavy metal oxide and O3 can not be fundamentally solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an electric welding flue gas processing apparatus, pass through water with welded flue gas and strain O3 and CO2 in getting rid of the flue gas to can get rid of the heavy metal in the flue gas according to the pH value of the different regulation aqueous solutions of flue gas composition. Simple structure and excellent purifying effect.

In order to achieve the above purpose, the utility model discloses a technical scheme who takes is:

an electric welding fume treatment device, comprising: a housing; the smoke collecting device comprises a smoke hood and a telescopic hose, wherein one end of the telescopic hose is movably connected with the smoke hood, and the other end of the telescopic hose is hermetically connected with an air inlet on the shell; the dust collecting device comprises a dust collecting box and a filter element, the dust collecting box is positioned at the bottom of the shell, and the filter element is clamped with the shell; the water tank is fixedly connected with the shell, one end of the air inlet hose penetrates through the side wall of the water tank, the other end of the air inlet hose extends below the liquid level, the water filter cartridge is movably connected with the shell, and the air filtering opening is positioned on the water filter cartridge; and suction fans are arranged at the air inlet and the air inlet hose.

Further, the housing includes: the first side wall, the second side wall, the third side wall, the fourth side wall, the top wall and the cover plate; an air inlet is formed in the bottom of the first side wall and communicated with the telescopic hose; the lower end of the air inlet is provided with a dust collecting box mounting opening, and the dust collecting box is movably connected to the bottommost part of the shell in a push-and-pull manner through the dust collecting box mounting opening; the second side wall is opposite to the first side wall, a filter element mounting opening is formed in the second side wall, a filter element mounting groove is formed in the side wall of the water tank, and the filter element extends into the filter element mounting opening and is clamped in the filter element mounting groove; the water tank is enclosed by a water tank bottom plate, a water tank side wall, a first side wall, a third side wall and a fourth side wall; the cover plate is provided with a sealing gasket, the cover plate is arranged at the top of the shell and is in sealing connection with the top wall, and the cover plate is provided with an air outlet; the top end of the water filter cylinder is clamped at the bottom of the cover plate.

Furthermore, the section wall of the water filter cylinder on the horizontal plane is square, and a plurality of air filter openings are formed in the bottom wall of the water filter cylinder.

Furthermore, a plurality of air filtering openings are formed in the side wall of the water filtering cylinder.

Further, the bottom of the shell is provided with at least three universal wheels.

Furthermore, the water treatment device also comprises a wind shield floating between the water filter cylinder and the water tank, a through hole is arranged on the wind shield, and the air inlet hose penetrates through the through hole and extends into the position below the liquid level.

Furthermore, the air filtering openings are a plurality of circular through holes.

Further, the smoke hood fixing device comprises a base, a telescopic supporting rod and a transverse telescopic rod; one end of the telescopic supporting rod is fixedly connected with the base, and the other end of the telescopic supporting rod is movably connected with the transverse telescopic rod.

Further, flexible bracing piece with horizontal telescopic link junction is provided with the hose storage tank, horizontal telescopic link is kept away from the one end of flexible bracing piece is equipped with the fixed part, the fixed part will the petticoat pipe joint is in horizontal telescopic link's end.

Compared with the prior art, the technical scheme of the utility model have following advantage: the utility model discloses an electric welding flue gas processing apparatus, the welding smoke and dust passes through the petticoat pipe and inhales inside the welding flue gas processing apparatus, through dust collecting device and water treatment facilities's processing respectively, collect the large granule particle in the smoke and dust, can dissolve the harmful gas that can dissolve water simultaneously, later can be through adjusting the pH value will harmful gas and micro harmful metal oxide molecule dissolve, prevent that the harmful substance in the welding flue gas from getting into the air and influencing healthy. Simultaneously air intake department is equipped with the suction fan can the maximize collect the processing with welding flue gas, prevents that untreated flue gas from influencing the operator healthy in on a large scale diffusing to the air. The air inlet hose is provided with a suction fan to provide circulation power for flue gas water treatment, so that the influence on environmental sanitation caused by the backflow of flue gas which is not subjected to water treatment into air is prevented.

Drawings

The technical solution and the advantages of the present invention will be apparent from the detailed description of the embodiments of the present invention with reference to the attached drawings.

Fig. 1 is a cross-sectional view of an electric welding smoke treatment device according to an embodiment of the present invention;

fig. 2 is a sectional view of an electric welding smoke treatment device according to an embodiment of the present invention in a horizontal wall direction;

fig. 3 is a schematic view of a fixing device according to an embodiment of the present invention.

The parts in the figure are numbered as follows:

the air filter comprises a shell 1, an air inlet 11, a first side wall 12, a second side wall 13, a third side wall 14, a fourth side wall 15, a top wall 16, a cover plate 17, a dust collecting box mounting opening 18, a filter element mounting opening 19, a filter element mounting groove 20, an air outlet 201, a smoke collecting device 2, a smoke hood 21, an expansion hose 22, a dust collecting device 3, a dust collecting box 31, a filter element 32, a water treatment device 4, a water tank 41, a water tank bottom plate 411, a water tank side wall 412, an air inlet hose 42, a water filter cylinder 43, a filter air opening 44, a universal wheel 5, a wind shield 6, a through hole 61, a fixing device 7, a base 71, an expansion support rod 72, a transverse expansion rod 73.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the embodiment, an electric welding smoke treatment device is provided. As shown in fig. 1, fig. 2 and fig. 3, the electric welding fume treatment device includes: the device comprises a shell 1, a flue gas collecting device 2, a dust collecting device 3, a water treatment device 4, universal wheels 5, a wind shield 6 and a fixing device 7.

The cross section of the shell 1 in the horizontal plane is square, and the shell comprises: a first side wall 12, a second side wall 13, a third side wall 14, a fourth side wall 15, a top wall 16 and a cover 17. The first side wall 12 and the second side wall 13 are arranged oppositely, the third side wall 14 and the fourth side wall 15 are arranged oppositely, a sealing gasket (not marked in the figure) is arranged on the cover plate 17, the cover plate 17 is arranged on the top of the shell 1 and is in sealing connection with the top wall 16 of the shell 1, and an air outlet 201 is formed in the cover plate 17. The bottom of the shell 1 is provided with at least three universal wheels 5, so that the electric welding smoke treatment device can be conveniently moved, and can be placed and applied at any required position, and the application flexibility is improved.

Flue gas collection device 2 includes petticoat pipe 21 and bellows 22, bellows 22 one end with petticoat pipe 21 swing joint can use connection modes such as buckle joint. The other end of the flexible hose 22 is hermetically connected with the air inlet 11 on the housing 1, and sealant can be used at the connection part, and various movable connection modes can also be adopted, and a sealing ring is placed at the connection part. The air inlet 11 and the flexible hose 22 are connected in a sealing manner to prevent the entry of gas other than welding fume that does not need to be purified. The air inlet 11 is arranged at the bottom of the first side wall 12, and a suction fan (not marked in the figure) is arranged at the air inlet 11 for guiding the welding smoke to be sucked into the electric welding smoke treatment device for purification.

The dust collecting device 3 comprises a dust collecting box 31 and a filter element 32, wherein the dust collecting box 31 is positioned at the bottom of the shell. The lower end of the air inlet 11 is provided with a dust collecting box mounting opening 18, the dust collecting box 31 is movably connected to the bottommost part of the shell 1 in a push-pull mode through the dust collecting box mounting opening 18, and the dust collecting box 31 and the shell 1 are movably connected in a push-pull mode, so that the dust collecting box 31 can be conveniently cleaned and replaced. The filter element 32 is clamped to the housing 1. And a filter element mounting opening 19 is formed in the second side wall 13, a filter element mounting groove 20 is formed in the water tank side wall 412, and the filter element 32 extends into the filter element mounting opening 19 and is clamped in the filter element mounting groove 20. The filter element 32 can be used for carrying out rough filtration on the welding smoke to remove particles which are not easy to be treated by water in the welding smoke.

The water treatment device 4 comprises a water tank 41, an air inlet hose 42, a water filter cylinder 43, a filter air opening 44 and a wind shield 6. The water tank 41 is surrounded by the water tank bottom plate 411, the water tank side wall 412, the first side wall 12, the third side wall 13 and the fourth side wall 14, so that the water tank 41 is prevented from being manufactured independently and increasing material cost. One end of the air inlet hose 42 penetrates through the side wall 412 of the water tank and is communicated with the air inlet 11, and the other end of the air inlet hose 42 extends below the liquid level. The air inlet hose 42 is provided with a suction fan (not shown) for increasing the air flowing speed and guiding the air flowing direction. The cross section of the water filter cartridge 43 on the horizontal plane is square, and the water filter cartridge 43 is clamped at the bottom of the cover plate 16, so that the spot inspection work of the water filter cartridge in the future is facilitated. Preferably, a plurality of air filtering openings 44 are formed in the bottom wall and the side wall of the water filter cylinder 43, the air filtering openings 44 are used for scattering the flue gas below the liquid level sent by the air inlet hose 42, large bubbles are changed into small bubbles, water treatment bubbles are prevented from being too large, the large bubbles carry the flue gas which is not subjected to purification treatment to be discharged to the atmosphere, the air filtering area is increased, and the flue gas purification efficiency is improved. The wind deflector 6 floats between the water filter cylinder 43 and the water tank 41, a through hole 61 is formed in the wind deflector 6, and the air inlet hose 42 extends below the liquid level through the through hole 61. The wind deflector 6 prevents a large amount of gas from flowing back, preventing the backflow of untreated flue gases.

The fixing device 7 comprises a base 71, a telescopic supporting rod 72 and a transverse telescopic rod 73. Fixing device 7 can arrange petticoat pipe 21 in welding station top according to the welded needs, improves the collection efficiency of welding flue gas, base 71 has the universal wheel the height of flexible bracing piece 72 and the length of horizontal telescopic link 73 can be adjusted as required, has improved the flexibility ratio that the flue gas was collected. One end of the telescopic supporting rod 73 is connected with the base 71, and the other end of the telescopic supporting rod 73 is movably connected with the transverse telescopic rod 73. The joint of the telescopic support rod 73 and the transverse telescopic rod 73 is provided with a hose accommodating groove 74, the telescopic hose 22 can be arranged in the hose accommodating groove 74 through the hose accommodating groove 74 to be fixed, and the condition that the welding workshop is neat and attractive due to the messy pipelines is prevented. Horizontal telescopic link 73 is kept away from the one end of flexible bracing piece 72 is equipped with fixed part 75, fixed part 75 will the petticoat pipe 21 joint is in the end of horizontal telescopic link 73 prevents because the action of gravity, petticoat pipe 21 is followed horizontal telescopic link 73 fixed position drops.

The electric welding smoke treatment device is used as follows: the cover 17 is first removed before welding and sufficient water or aqueous solution is added to the water tank 41. The wind shield 6 is placed on the liquid level, the air inlet hose extends into the through hole 61 and then is placed below the liquid level, and then the water filter cartridge 43 is clamped at the bottom of the cover plate 17. Extending the water filter cartridge 43 into the open top of the housing 1 seals the cover plate 17 to the top wall 16 of the housing 1. During welding, will electric welding fume treatment device removes to the welding position, confirms whether to choose for use as required fixing device 7. Will the petticoat pipe 21 is placed in the suitable position, opens air intake 11 and air inlet hose 42 department is equipped with the suction fan, the welding flue gas loops through the petticoat pipe 21 the bellows 22 gets into through air intake 11 the water tank bottom plate 411 the dust collection box 31, filter core 32 and in the cavity that casing 1 constituteed. The smoke falls into the dust collection box 31 in the flowing process of larger particles, and the smaller particles can be filtered by the filter element 32 and fall into the dust collection box 31 under the action of gravity after being accumulated to a certain degree. The flue gas filtered by the filter element 32 rapidly passes through the air inlet hose 42 to a position below the liquid level under the driving of the suction fan, and the water solution dissolves harmful gas and soluble harmful molecules carried by the flue gas. The cleaned flue gas passes through the air filtering opening 44, is dispersed into small bubbles, removes trace harmful gas and soluble harmful molecules again, finally floats out of the water surface, and is discharged into air through the air outlet 201.

And after welding, the air inlet 11 is closed, and a suction fan is arranged at the air inlet hose 42, so that the dust collecting box 31 and the filter element 32 are removed and cleaned.

The above is only the exemplary embodiment of the present invention, and not the limitation of the present invention, all the equivalent structures or equivalent processes of the present invention are used, or directly or indirectly applied to other related technical fields, and the same principle is included in the patent protection scope of the present invention.

Claims

1. The utility model provides an electric welding flue gas processing apparatus which characterized in that includes:

a housing;

the smoke collecting device comprises a smoke hood and a telescopic hose, wherein one end of the telescopic hose is movably connected with the smoke hood, and the other end of the telescopic hose is hermetically connected with an air inlet on the shell;

the dust collecting device comprises a dust collecting box and a filter element, the dust collecting box is positioned at the bottom of the shell, and the filter element is clamped with the shell; and

the water treatment device comprises a water tank, an air inlet hose, a water filter cylinder and an air filtering opening, wherein the water tank is fixedly connected with the shell, one end of the air inlet hose penetrates through the side wall of the water tank, the other end of the air inlet hose extends below the liquid level, the water filter cylinder is movably connected with the shell, and the air filtering opening is positioned on the water filter cylinder;

and suction fans are arranged at the air inlet and the air inlet hose.

2. An electric welding fume treatment apparatus according to claim 1, wherein said housing comprises: the first side wall, the second side wall, the third side wall, the fourth side wall, the top wall and the cover plate;

an air inlet is formed in the bottom of the first side wall and communicated with the telescopic hose; the lower end of the air inlet is provided with a dust collecting box mounting opening, and the dust collecting box is movably connected to the bottommost part of the shell in a push-and-pull manner through the dust collecting box mounting opening;

the second side wall is opposite to the first side wall, a filter element mounting opening is formed in the second side wall, a filter element mounting groove is formed in the side wall of the water tank, and the filter element extends into the filter element mounting opening and is clamped in the filter element mounting groove; the water tank is enclosed by a water tank bottom plate, a water tank side wall, a first side wall, a third side wall and a fourth side wall;

the cover plate is provided with a sealing gasket, the cover plate is arranged at the top of the shell and is in sealing connection with the top wall, and the cover plate is provided with an air outlet; the top end of the water filter cylinder is clamped at the bottom of the cover plate.

3. The electric welding smoke treatment device according to claim 2, wherein the cross section of the water filter cylinder in the horizontal plane is square, and the bottom wall of the water filter cylinder is provided with a plurality of air filter openings.

4. The electric welding smoke treatment device of claim 3, wherein the side wall of the water filter cylinder is provided with a plurality of air filter openings.

5. An electric welding fume treatment device according to claim 4, wherein the bottom of said housing is provided with at least three universal wheels.

6. The electric welding smoke treatment device according to claim 5, wherein the water treatment device further comprises a wind screen floating between the water filter cartridge and the water tank, the wind screen is provided with a through hole, and the wind inlet hose passes through the through hole and extends below the liquid level.

7. The electric welding smoke treatment device of claim 6, wherein the air filtering openings are a plurality of circular through holes.

8. An electric welding fume treatment device according to claim 7, further comprising a fume hood fixing device, comprising a base, a telescopic supporting rod and a transverse telescopic rod; one end of the telescopic supporting rod is fixedly connected with the base, and the other end of the telescopic supporting rod is movably connected with the transverse telescopic rod.

9. The electric welding flue gas treatment device according to claim 8, wherein a hose accommodating groove is formed at a joint of the telescopic support rod and the transverse telescopic rod, a fixing portion is arranged at one end of the transverse telescopic rod, which is far away from the telescopic support rod, and the fixing portion clamps the smoke hood at the tail end of the transverse telescopic rod.