CN211384455U

CN211384455U - Used exhaust treatment device of argon arc welding machine

Info

Publication number: CN211384455U
Application number: CN201921725299.1U
Authority: CN
Inventors: 杨丽建
Original assignee: Pinghu Huahong Machinery Hardware Factory
Current assignee: Pinghu Huahong Machinery Hardware Factory
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-09-01
Anticipated expiration: 2029-10-15

Abstract

The utility model provides a waste gas treatment device for argon arc welding machine, which comprises a welding box and is characterized in that two opposite sides of the welding box are respectively provided with a collection chamber, the other two opposite sides are provided with a sealing structure, each collection chamber is internally provided with a movable rotating plate on the opposite side of the welding box, the bottom of each collection chamber is provided with an air duct, the joint of the air duct and the collection chamber is provided with a filter screen, the other end of the air duct is provided with an air suction pipe, the air suction pipe is in a T shape, the inside of the air suction pipe is provided with an air suction fan, the tail end of the air suction pipe is provided with a treatment box, the treatment box is internally provided with treatment liquid which does not pass through the air suction pipe, the top of the treatment box is provided with a detection pipe, the other end of the detection pipe is provided with a detection pool, the detection pool is, but also harms the health of workers and pollutes the atmospheric environment, thus aggravating the problem of global warming process.

Description

Used exhaust treatment device of argon arc welding machine

Technical Field

The utility model relates to an exhaust treatment device, concretely relates to used exhaust treatment device of argon arc welding machine.

Background

At present, in industrial production, electric welding is particularly widely applied, and particularly, argon arc welding is applied, because the argon arc welding has the characteristics of stable arc combustion, concentrated heat, small heat affected zone and wide welding range compared with other electric welding types, a lot of waste gas is generated in the argon arc welding process, the waste gas mainly comprises ozone, nitrous oxide, nitrogen dioxide and the like, the ozone is unstable under natural conditions and can be decomposed into oxygen, so that main waste gas is the nitrous oxide, however, in the prior art, argon arc welding is usually performed in an open-air scene, the waste gas is naturally discharged, on one hand, the health of workers is harmed, on the other hand, the atmospheric environment is polluted, and the global warming process is aggravated.

SUMMERY OF THE UTILITY MODEL

Technical problems to be solved

The utility model discloses mainly solve not enough among the prior art, concretely relates to used exhaust treatment device of argon arc welding machine, when having solved argon arc welding among the prior art, waste gas discharges naturally, and harms the healthy and polluted atmosphere environment of workman, aggravates the problem of global warming process.

Technical solution

For solving the technical problem, the utility model provides an used exhaust treatment device of argon arc welding machine, including the welding case, two relative sides of welding case respectively are equipped with the collection chamber, and two relative sides are seal structure, every in the collection chamber with the welding case relative side be equipped with mobilizable commentaries on classics board, every the collection chamber bottom is equipped with the air duct, the air duct is equipped with the filter screen with the collection chamber junction, the air duct other end is equipped with the breathing pipe, the breathing pipe is "T" style of calligraphy, the inside fan that breathes in that is equipped with of breathing pipe, the breathing pipe end is equipped with handles the case, be equipped with the processing liquid that does not have the breathing pipe in the processing case, it is equipped with the test tube to handle the roof portion, the test tube other end is equipped with the detection pond, be equipped with the coloured liquid.

Furthermore, a through hole for loading and unloading the welding plate and exhausting the welding plate is arranged between the welding box and the gas collection chamber.

Furthermore, the rotating plate is connected with the top of the gas collection chamber through a bolt, a handle is arranged on the outer surface of the rotating plate, a rubber convex-concave sealing device is arranged at the contact position of the gas collection chamber and the rotating plate, lugs in the same horizontal line are arranged on the side of the gas collection chamber and the outer surface of the rotating plate, and through holes for inserting bolts for fixing are formed in the middle of the two lugs.

Furthermore, the air duct, the air suction pipe, the treatment box, the detection pool and the detection pipe are all made of corrosion-resistant materials.

Further, the filter screen is a double-layer metal wire filter screen.

Further, the suction fan includes blade, motor, fixed cover, mount and protection casing, the blade is clockwise rotatory, the blade has the trend of upwarping to the direction of rotation, the blade is annular array and establishes on fixed the sheatheeing, fixed cover is established in the motor rotation axis, the motor outside is equipped with the protection casing of anticorrosive material, the protection casing outside is annular array and is equipped with a plurality of mounts that are used for supporting the suction fan.

Further, it is equipped with delivery port and water inlet to handle the case, the delivery port is established and is handled the bottom half, the water inlet is established at handling the roof portion, it is equipped with the venthole to handle case lateral part.

Further, the treatment fluid is the solution that can absorb waste gas in the treatment box, solution is the bright-colored solution of waste gas colour that can absorb in the detection cell.

Beneficial effects

Most of waste gas in the argon arc welding process can effectively enter the treatment box through the gas collecting chamber, the gas guide pipe and the gas suction pipe under the action of the gas suction fan, and can be recycled after being absorbed by treatment liquid; through adding the detection pond, whether the absorption that utilizes the bleaching nature of nitrogen dioxide can effectual detection treatment box in the treatment fluid reaches the saturation, and then in time change the treatment fluid, avoid waste gas exhaust air not only to threaten healthy, still the polluted environment.

Drawings

FIG. 1 is a schematic view showing a positional relationship between respective parts of an exhaust gas treatment device;

FIG. 2 is a schematic perspective view of a welded box, a gas collection chamber and a rotating plate of the exhaust gas treatment device;

FIG. 3 is a schematic sectional view of a portion B of the exhaust gas treatment device;

FIG. 4 is a schematic perspective view of an air duct in the exhaust gas treatment device;

FIG. 5 is a schematic perspective view of an air intake duct of the exhaust gas treatment device;

FIG. 6 is a schematic perspective view of an air suction fan in the exhaust gas treatment device;

FIG. 7 is a schematic sectional view taken along the line A-A in FIG. 6;

FIG. 8 is a schematic perspective view of a treatment tank of the exhaust gas treatment device;

FIG. 9 is a schematic view of the position of a filter screen in a plenum of an exhaust gas treatment device.

The device comprises a welding box 1, a welding box 2, a gas collecting chamber 3, a gas guide pipe 4, a gas suction pipe 5, a filter screen 6, a gas suction fan 7, a detection pool 8, a treatment box 9, a detection pipe 101, a through hole 201, a rotating plate 202, a handle 203, a lug 204, a protrusion 205, a groove 301, a connector 401, a sealing ring 601, a blade 602, a fixing ring 603, a support 604, a protective cover 605, a motor 901 and a gas outlet.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples, which are provided for illustration of the present invention and are not intended to limit the scope of the present invention.

The utility model provides a waste gas treatment device for argon arc welding machine, which comprises a welding box 1, wherein the welding box 1 is a cuboid structure with through holes at two sides, the side part is a sealing structure, gas collection chambers 2 are fixed on two side parts of the welding box 1 with the through holes by bolts, the gas collection chambers 2 are cuboid structures, the side part connected with the welding box 1 is provided with through holes 101 for loading and unloading welding plates and exhaust, the bottom part is provided with through holes for exhausting waste gas, the side surface of each gas collection chamber 2 opposite to the welding box 1 is hinged with a movable rotating plate 201, the rotating plate 201 is a cuboid plate-shaped structure, a handle 202 is welded on the outer surface of the rotating plate 201, the handle 202 is semi-circular, the rotating plate 201 is connected with the top part of the gas collection chamber 2 by hinges, the contact part of the gas collection chamber 2 and the rotating plate 201 is provided with an anticorrosive rubber convex-concave sealing device, the sealing device on, the sealing device of the gas collection chamber 2 is provided with a bulge 204 which is tightly matched through convex and concave, the side part of the gas collection chamber 2 and the outer surface of the rotating plate 201 are both provided with lugs 203, the two lugs 203 are in the same horizontal line, the middle parts of the two lugs 203 are provided with through holes 206 for inserting bolts for fixing, wherein the through hole at the bottom of the gas collection chamber 2 is in threaded connection with a gas guide tube 3, the gas guide tube 3 is in a cylindrical tubular structure, two ends of the gas guide tube are respectively clamped with a connector 301, the connector 301 is a circular ring-shaped metal piece with threads on the inner surface, one end of the connector 301 is in threaded connection with the air suction pipe 4, the other end of the connector 301 is in threaded connection with the bottom of the gas collection chamber 2, wherein the joint of the through hole and the gas guide tube 3, the two air inlets on the upper part of the air suction pipe 4 are respectively connected with the connectors 301 of the two air guide pipes 3, the lower part of the air suction pipe 4 is inserted in the treatment box 8, the air suction fan 6 is erected in the air suction pipe 4 through a bracket, the air suction fan 6 is made of corrosion-resistant materials, wherein the air suction fan 6 comprises blades 601, a motor 605, a fixed sleeve 602, a fixed frame 603 and a protective cover 604, the blades 601 are fixed on the fixed sleeve 602 in an annular array mode through screws, at least 3 blades 601 are arranged on the blades 601, the blades 601 rotate clockwise, the blades 601 have upward tilting trend towards the rotating direction, the fixed sleeve 602 is in a circular structure, key slots are formed in the fixed sleeve, the fixed sleeve 602 is fixed on the rotating shaft of the motor 605 through key connection, the protective cover 604 made of corrosion-resistant materials is sleeved outside the motor 605, in the embodiment, the processing box 8 is a sealed square structure, the surface of the processing box 8 is provided with a water outlet and a water inlet, the upper part of the side surface of the processing box 8 is provided with a gas outlet 901, wherein the water outlet is arranged at the bottom of the processing box 8, the water inlet is arranged at the top of the processing box 8, the upper surface of the processing box 8 is provided with a through hole for inserting the gas suction pipe 4, the gas suction pipe 4 is sealed with the through hole through a sealing ring, the processing box 8 is internally provided with processing liquid not higher than the gas outlet 901, because of the water-soluble property of the nitrogen oxide, the processing liquid adopted in the embodiment is aqueous solution, the gas suction pipe 4 is inserted at the bottom of the processing liquid but is not contacted with the bottom surface, wherein the gas outlet 901 is in threaded connection with the detection pipe 9, the other end of the detection pipe 9 is inserted in the detection cell, the detection tube 9 is inserted into the bottom of the detection liquid, but does not contact the bottom surface.

Because the nitrogen oxides and the nitrogen oxide aqueous solution thereof are corrosive, the materials of the gas guide tube 3, the gas suction tube 4, the treatment box 8, the detection cell 7 and the detection tube 9 are all corrosion-resistant materials.

The working process in the actual use process is as follows: the workpiece enters the welding box 1, the rotating plates 201 at two sides of the welding box 1 are pulled down through the handle 202, so that the welding box 1 is in a relatively sealed environment, when welding starts, a motor 605 switch of the air suction fan 6 is turned on, smoke and waste gas generated in the welding process enter the processing box 8 through the air suction fan 6 along the exhaust through hole of the air collection chamber 2, the air guide pipe 3 and the air suction pipe 4, the processing liquid in the processing box 8 is absorbed to achieve the effect of waste gas processing, when the absorption of the processing liquid in the processing box 8 is saturated, the waste gas enters the detection pool 7 along the air outlet 901, the nitrogen dioxide has bleaching property, so that the bright color of the detection liquid is bleached, when the color in the detection liquid becomes light, a worker can be reminded to replace the processing liquid in the processing box 8 to achieve the detection effect, the worker discharges the saturated processing liquid through the water outlet, and then new processing liquid is added from the water inlet, the treatment efficiency of waste gas is realized, and the discharged saturated treatment liquid can be used for extracting industrial products such as nitric acid and the like, so that the production cost is reduced, and the environment is protected.

As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.

Claims

1. The waste gas treatment device for the argon arc welding machine comprises a welding box and is characterized in that two opposite sides of the welding box are respectively provided with a gas collection chamber, the other two opposite sides of the welding box are provided with sealing structures, a movable rotating plate is arranged on the opposite side of each gas collection chamber relative to the welding box, the bottom of each gas collection chamber is provided with a gas guide pipe, a filter screen is arranged at the joint of each gas guide pipe and the gas collection chamber, the other end of each gas guide pipe is provided with a gas suction pipe, each gas suction pipe is T-shaped, a gas suction fan is arranged in each gas suction pipe, the tail end of each gas suction pipe is provided with a treatment box, treatment liquid which does not pass through each gas suction pipe is arranged in each treatment box, the top of each treatment box is provided with a detection pipe, the.

2. The exhaust gas treatment device for the argon arc welding machine according to claim 1, wherein a through hole for loading and unloading the welding plate and exhausting the welding plate is formed between the welding box and the gas collection chamber.

3. The waste gas treatment device for the argon arc welding machine according to claim 1, wherein the rotating plate is connected with the top of the gas collection chamber through a bolt, a handle is arranged on the outer surface of the rotating plate, a rubber convex-concave sealing device is arranged at the contact position of the gas collection chamber and the rotating plate, lugs in the same horizontal line are arranged on the side portion of the gas collection chamber and the outer surface of the rotating plate, and through holes for inserting bolts for fixing are formed in the middles of the two lugs.

4. The exhaust gas treatment device for the argon arc welding machine according to claim 1, wherein the gas guide pipe, the gas suction pipe, the treatment box, the detection cell and the detection pipe are made of corrosion-resistant materials.

5. The exhaust gas treatment device for the argon arc welding machine according to claim 1, wherein the filter screen is a double-layer metal wire filter screen.

6. The exhaust gas treatment device for the argon arc welding machine according to claim 1, wherein the suction fan comprises a blade, a motor, a fixed sleeve, a fixed frame and a protective cover, the blade rotates clockwise, the blade has a tilting trend towards the rotating direction, the blade is arranged on the fixed sleeve in an annular array manner, the fixed sleeve is arranged on a rotating shaft of the motor, the protective cover made of corrosion-resistant materials is arranged outside the motor, and the protective cover is arranged on the outer portion of the protective cover in an annular array manner and provided with a plurality of fixed frames used for supporting the suction fan.

7. The exhaust gas treatment device for the argon arc welding machine according to claim 1, wherein the treatment box is provided with a water outlet and a water inlet, the water outlet is arranged at the bottom of the treatment box, the water inlet is arranged at the top of the treatment box, and the side part of the treatment box is provided with an air outlet.

8. The exhaust gas treatment device for the argon arc welding machine according to claim 1, wherein the treatment liquid in the treatment tank is a solution capable of absorbing exhaust gas, and the solution in the detection cell is a solution capable of absorbing exhaust gas with bright color.