CN215693105U - Carbon dioxide gas shielded welding tail gas absorption inspection device - Google Patents
Carbon dioxide gas shielded welding tail gas absorption inspection device Download PDFInfo
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- CN215693105U CN215693105U CN202121742457.1U CN202121742457U CN215693105U CN 215693105 U CN215693105 U CN 215693105U CN 202121742457 U CN202121742457 U CN 202121742457U CN 215693105 U CN215693105 U CN 215693105U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a tail gas absorption and inspection device for carbon dioxide gas shielded welding, which comprises a welding tail gas trapping mechanism, a filter box, a solution absorption mechanism and a solution absorption and inspection mechanism, wherein the welding tail gas trapping mechanism comprises an adjusting support and a trapping cover component, the adjusting support comprises a U-shaped seat and a screw rod adjusting component, the screw rod adjusting component is connected with the trapping cover component through a connecting block, a first fan is arranged between the filter box and the solution absorption mechanism, a second fan is arranged between the solution absorption mechanism and the solution absorption and inspection mechanism, the solution absorption mechanism comprises a first base, a first absorber and a sodium hydroxide solution spraying component, and the solution absorption and inspection mechanism comprises a second base, a second absorber and a calcium hydroxide solution spraying component. The utility model has simple structure, realizes the capture, transportation, absorption and inspection of welding tail gas in the carbon dioxide gas shielded welding process, and reduces the discharge amount of carbon dioxide, thereby reducing the environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of carbon dioxide tail gas collection, and particularly relates to a carbon dioxide gas shielded welding tail gas absorption and inspection device.
Background
Carbon dioxide arc welding is a welding method in which carbon dioxide is used as a shielding gas. The carbon dioxide gas shielded welding has wide application range, high welding efficiency, low energy consumption and low price of the used shielding gas carbon dioxide; the weld joint is well formed in short circuit transition; the welding line without internal defect can be obtained by adding the flux-cored wire containing the deoxidizer. Therefore, this welding method has become one of the most important welding methods for ferrous materials.
As carbon dioxide is an essential protective gas in the welding process, the carbon dioxide does not participate in the reaction in the welding process and only serves as the protective gas, the properties are not changed before and after welding, the quality is not lost, but the concentration of the carbon dioxide mixed with air is reduced, and the temperature is increased. In addition, the gas flow is large when outdoor welding and overhead welding are carried out, and the emission amount of carbon dioxide is about 2160L to 9000L. Under normal conditions (20 ℃ C. and 101 kPa) the density of the carbon dioxide is 1.964g/L, which is equivalent to about 4.24 Kg-17.6 Kg of carbon dioxide consumed by a welder per day. In large-scale manufacturing and processing workshops, the gas consumption of carbon dioxide gas is large, the collection and treatment of carbon dioxide cannot be well treated, and a large amount of carbon dioxide gas is directly discharged into the atmosphere, so that the burden on environmental protection is increased.
Therefore, a carbon dioxide gas shielded welding tail gas absorption and inspection device with a simple structure and a reasonable design is needed at present, so that welding tail gas trapping, conveying, absorbing and inspecting in the carbon dioxide gas shielded welding process are realized, the carbon dioxide emission is reduced, and the environmental pollution is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a device for absorbing and detecting tail gas of carbon dioxide arc welding, which has the advantages of simple structure and reasonable design, realizes capturing, conveying, absorbing and detecting of welding tail gas in the welding process of carbon dioxide arc welding, reduces the discharge amount of carbon dioxide, reduces environmental pollution and has strong practicability.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a carbon dioxide gas shielded arc welding tail gas absorbs verifying attachment which characterized in that: the welding tail gas collecting device comprises a welding tail gas collecting mechanism arranged at the upper part of a welding station, a filter box connected with the welding tail gas collecting mechanism, a solution absorption mechanism and a solution absorption inspection mechanism which are sequentially connected with the filter box;
the welding tail gas collecting mechanism comprises an adjusting support and a collecting cover component which is arranged on the adjusting support and can slide up and down along the adjusting support, the adjusting support comprises a U-shaped seat and a screw rod adjusting component arranged in the U-shaped seat, the screw rod adjusting component is connected with the collecting cover component through a connecting block, a first fan is arranged between the filter box and the solution absorbing mechanism, and a second fan is arranged between the solution absorbing mechanism and the solution absorbing and inspecting mechanism;
the solution absorption mechanism comprises a first base, a first absorber arranged on the first base and a sodium hydroxide solution spraying component connected with the first absorber, the solution absorption inspection mechanism comprises a second base, a second absorber arranged on the second base and a calcium hydroxide solution spraying component connected with the second absorber, the second fan is positioned between the first absorber and the second absorber, and the first fan is positioned between the first absorber and the filter box.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: the bottom of the U-shaped seat is provided with an L-shaped reinforcing plate and a base, the L-shaped reinforcing plate comprises a bottom plate arranged on the base and a vertical plate vertically arranged with the bottom plate, the U-shaped seat is arranged on the bottom plate and is attached to the vertical plate, and the top of the U-shaped seat is higher than the top of the vertical plate;
the screw rod adjusting part comprises a motor arranged on the bottom plate, a screw rod vertically arranged in the U-shaped seat and in transmission connection with an output shaft of the motor, and a nut sleeved on the screw rod, the connecting block is sleeved on the screw rod and fixedly connected with the nut, and the connecting block is connected with the collecting cover part.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: the collecting cover part comprises a mounting flat plate, a collecting cover arranged at the bottom of the mounting flat plate and a top air blower arranged at the top of the mounting flat plate, wherein an air suction port is formed in the mounting flat plate and is communicated with a cavity in the collecting cover, the collecting cover is in a frustum shape, the cross section of the bottom of the collecting cover is larger than that of the top of the collecting cover, and an outlet of the top air blower is connected with an inlet of the filter box;
the one end that the installation flat board is close to the U-shaped seat is provided with the lug, the lug forms the step face with the dull and stereotyped junction of installation, the lug stretches into the U-shaped seat is connected with the connecting block, the lateral wall of lug with the laminating of the recess lateral wall of U-shaped seat, the step face with the side laminating of U-shaped seat, the side of U-shaped seat is provided with the spout that two symmetries were laid, be provided with the slider of cooperation spout on the step face.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: a first conveying pipe is arranged between the outlet of the top air blower and the inlet of the filter box, a second conveying pipe is arranged between the outlet of the filter box and the inlet of the first air blower, a third conveying pipe is arranged between the outlet of the first air blower and the lower inlet of the first absorber, a fourth conveying pipe is arranged between the top outlet of the first absorber and the inlet of the second air blower, a fifth conveying pipe is arranged between the outlet of the second air blower and the lower inlet of the second absorber, and an emptying pipe is arranged at the top outlet of the second absorber.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: the rose box includes the box and sets up multichannel filter screen in the box, the multichannel the filter screen is micron netted dust filter, G4 filter screen, activated carbon fiber filter screen respectively by entry to export.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: the sodium hydroxide solution spraying part comprises a first solution tank, a first liquid supply pump, a first liquid supply pipe, a first liquid spray pipe and a plurality of first spraying heads, wherein the first solution tank, the first liquid supply pump and the first liquid supply pipe are sequentially connected, the first liquid spray pipe is connected with the first liquid supply pipe and extends into the upper part of the first absorber, and the first solution tank is used for containing a sodium hydroxide solution;
calcium hydrate solution sprays the part including the second solution tank, second feed pump and the second feed pipe that connect gradually to and be connected with the second feed pipe and stretch into second spray tube and a plurality of setting on second absorber upper portion the second sprinkler head on the second spray tube, first sprinkler head and second sprinkler head are down, second solution tank splendid attire calcium hydrate solution.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: a cooling coil is arranged in the first solution tank, and a water inlet and a water return port of the cooling coil are both positioned outside the first solution tank.
Foretell carbon dioxide gas shielded arc welds tail gas and absorbs verifying attachment, its characterized in that: and the first absorber and the second absorber are provided with liquid discharge pipes which are connected with the liquid storage tank, and the upper part of the liquid storage tank is provided with a drain pipe.
Compared with the prior art, the utility model has the following advantages:
1. simple structure, reasonable in design and installation are laid portably, and the practicality is strong.
2. The utility model is provided with the adjusting bracket and the collecting cover component, and provides a mounting base for the collecting cover component through the adjusting bracket, so that the collecting cover component is positioned at the upper part of the welding station, and the tail gas collecting effect of the carbon dioxide arc welding is improved.
3. The adjusting bracket comprises a U-shaped seat and a screw rod adjusting part, and the screw rod adjusting part is connected with the collecting cover part through a connecting block, so that the screw rod adjusting part drives the collecting cover part to move along the height direction of the U-shaped seat through the connecting block, the mounting height of the collecting cover part is adjusted, and the application range is widened.
4. The filter box is arranged to filter the collected welding tail gas, so that dust particles, PM2.5 particles and peculiar smell in the welding tail gas can be effectively filtered, the harm of the tail gas is reduced, and the harm of the tail gas to a human body is avoided.
5. The welding tail gas treatment device is provided with the first absorber and the sodium hydroxide solution spraying component, so that the welding tail gas conveyed by the first fan is mixed with the sodium hydroxide solution sprayed by the sodium hydroxide solution spraying component when passing through the first absorber from bottom to top, and the sodium hydroxide solution can absorb carbon dioxide of the welding tail gas at one time.
6. The welding tail gas conveyed by the second fan is mixed with the calcium hydroxide solution sprayed by the calcium hydroxide solution spraying component when passing through the second absorber from bottom to top, whether white precipitate is generated through the reaction of the calcium hydroxide solution and the carbon dioxide or not is convenient to detect whether carbon dioxide is contained in the discharged gas or not, in addition, the secondary absorption of the carbon dioxide of the welding tail gas can be realized, the tail gas carbon dioxide absorption effect is improved, and the residual carbon dioxide gas is reduced.
In conclusion, the utility model has simple structure and reasonable design, realizes the capture, transportation, absorption and inspection of welding tail gas in the carbon dioxide gas shielded welding process, reduces the discharge amount of carbon dioxide, thereby reducing the environmental pollution and having strong practicability.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a welding tail gas collecting mechanism according to the present invention.
FIG. 3 is a schematic view showing the structure of the solution-absorbing mechanism of the present invention.
FIG. 4 is a schematic view of the structure of the U-shaped seat and the mounting plate of the present invention.
Description of reference numerals:
1-a solution absorbing mechanism; 10-cooling coil pipe; 11-a first solution tank;
12 — a first fluid supply pump; 13 — a first supply tube; 14-a first spray pipe;
15-a first sprinkler head; 16-a first absorber; 17-a fourth delivery pipe;
18 — a first mounting table; 19 — a first base;
2-a solution absorption inspection mechanism; 20-a fifth delivery pipe; 21-a second solution tank;
22 — a second fluid supply pump; 23 — a second supply tube; 24-a second spray pipe;
25-a second sprinkler; 26 — a second absorber; 27-emptying pipe;
28-a second mounting table; 29 — a second base; 3, adjusting the bracket;
31-a motor; 32-a screw rod; 33-a nut;
34, connecting blocks; 35-a top plate; 36-a pedestal bearing;
37-a U-shaped seat; 37-1-chute;
38-L-shaped reinforcing plates; 38-1-vertical panel;
38-2-bottom plate; 39-base; 4-trapping cover means;
40, mounting a flat plate; 40-1-bumps; 40-2-slide block;
41-a collecting cover; 42-top fan; 43 — a first delivery pipe;
44-an air extraction opening; 5, a filter box; 51 — a first fan;
52-a second fan; 53-third delivery pipe; 54 — a second delivery tube;
6, a liquid storage tank; 61-drain pipe; 62, a drain pipe;
7-welding station; 8, welding gun.
Detailed Description
As shown in fig. 1 to 4, the present invention includes a welding tail gas collecting mechanism disposed at an upper portion of a welding station 7, a filter box 5 connected to the welding tail gas collecting mechanism, a solution absorbing mechanism 1 and a solution absorbing inspection mechanism 2 sequentially connected to the filter box 5;
the welding tail gas collecting mechanism comprises an adjusting support 3 and a collecting cover component 4 which is arranged on the adjusting support 3 and can slide up and down along the adjusting support 3, the adjusting support 3 comprises a U-shaped seat 37 and a screw rod adjusting component arranged in the U-shaped seat 37, the screw rod adjusting component is connected with the collecting cover component 4 through a connecting block 34, a first fan 51 is arranged between the filter box 5 and the solution absorbing mechanism 1, and a second fan 52 is arranged between the solution absorbing mechanism 1 and the solution absorbing inspection mechanism 2;
the solution absorption mechanism 1 comprises a first base 19, a first absorber 16 arranged on the first base 19 and a sodium hydroxide solution spraying component connected with the first absorber 16, the solution absorption checking mechanism 2 comprises a second base 29, a second absorber 26 arranged on the second base 29 and a calcium hydroxide solution spraying component connected with the second absorber 26, the second fan 52 is positioned between the first absorber 16 and the second absorber 26, and the first fan 51 is positioned between the first absorber 16 and the filter box 5.
In the embodiment, as shown in fig. 2, an L-shaped reinforcing plate 38 and a base 39 are arranged at the bottom of the U-shaped seat 37, the L-shaped reinforcing plate 38 comprises a bottom plate 38-2 arranged on the base 39 and a vertical plate 38-1 arranged perpendicular to the bottom plate 38-2, the U-shaped seat 37 is mounted on the bottom plate 38-2 and attached to the vertical plate 38-1, and the top of the U-shaped seat 37 is higher than the top of the vertical plate 38-1;
the screw rod adjusting part comprises a motor 31 arranged on the bottom plate 38-2, a screw rod 32 vertically arranged in the U-shaped seat 37 and in transmission connection with an output shaft of the motor 31, and a nut 33 sleeved on the screw rod 32, the connecting block 34 is sleeved on the screw rod 32 and fixedly connected with the nut 33, and the connecting block 34 is connected with the collecting cover part.
As shown in fig. 4, in this embodiment, the flapping cover component includes a mounting plate 40, a collecting cover 41 disposed at the bottom of the mounting plate 40, and a top fan 42 disposed at the top of the mounting plate 40, an air suction port 44 is disposed on the mounting plate 40, the air suction port 44 is communicated with an internal cavity of the collecting cover 41, the collecting cover 41 is in a frustum shape, the bottom cross section of the collecting cover 41 is larger than the top cross section of the collecting cover 41, and an outlet of the top fan 42 is connected to an inlet of the filter box 5;
the mounting structure is characterized in that a convex block 40-1 is arranged at one end, close to the U-shaped seat 37, of the mounting flat plate 40, a step surface is formed at the joint of the convex block 40-1 and the mounting flat plate 40, the convex block 40-1 extends into the U-shaped seat 37 to be connected with the connecting block 34, the outer side wall of the convex block 40-1 is attached to the side wall of the groove of the U-shaped seat 37, the step surface is attached to the side surface of the U-shaped seat 37, two sliding grooves 37-1 which are symmetrically distributed are formed in the side surface of the U-shaped seat 37, and a sliding block 40-2 matched with the sliding grooves 37-1 is arranged on the step surface.
In this embodiment, a first delivery pipe 43 is disposed between the outlet of the top air blower 42 and the inlet of the filter box 5, a second delivery pipe 54 is disposed between the outlet of the filter box 5 and the inlet of the first air blower 51, a third delivery pipe 53 is disposed between the outlet of the first air blower 51 and the lower inlet of the first absorber 16, a fourth delivery pipe 17 is disposed between the top outlet of the first absorber 16 and the inlet of the second air blower 52, a fifth delivery pipe 20 is disposed between the outlet of the second air blower 52 and the lower inlet of the second absorber 26, and a drain pipe 27 is disposed at the top outlet of the second absorber 26.
In this embodiment, rose box 5 includes the box and sets up multichannel filter screen in the box, the multichannel the filter screen is by entry to export respectively for netted dust screen of micron, G4 filter screen, activated carbon fiber filter screen.
As shown in fig. 3, in the present embodiment, the sodium hydroxide solution spraying part includes a first solution tank 11, a first liquid supply pump 12 and a first liquid supply pipe 13 which are connected in sequence, and a first liquid spray pipe 14 which is connected with the first liquid supply pipe 13 and extends into the upper part of a first absorber 16, and a plurality of first spraying heads 15 which are arranged on the first liquid spray pipe 14, wherein the first solution tank 11 contains the sodium hydroxide solution;
the calcium hydroxide solution spraying part comprises a second solution tank 21, a second liquid supply pump 22 and a second liquid supply pipe 23 which are sequentially connected, a second liquid spray pipe 24 which is connected with the second liquid supply pipe 23 and extends into the upper part of a second absorber 26, and a plurality of second spraying heads 25 which are arranged on the second liquid spray pipe 24, wherein the first spraying heads 15 and the second spraying heads 25 face downwards, and the second solution tank 21 contains calcium hydroxide solution.
In this embodiment, the first solution tank 11 is provided with a cooling coil 10, and a water inlet and a water return port of the cooling coil 10 are both located outside the first solution tank 11.
In this embodiment, the first absorber 16 and the second absorber 26 are provided with a drain pipe 61, the drain pipe 61 is connected with the liquid storage tank 6, and the upper part of the liquid storage tank 6 is provided with a drain pipe 62.
In this embodiment, the top fan 42, the first fan 51, and the second fan 52 are provided to suck and convey the exhaust gas.
In this embodiment, the motor 31 is located in a clevis 37.
In this embodiment, a welding gun 8 is disposed at the welding station 7.
In this embodiment, a top plate 35 is disposed on the top of the U-shaped seat 37, a bearing 36 with a seat is disposed on the bottom of the top plate 35, and the top end of the screw rod 32 is rotatably mounted on the bottom of the top plate 35 through the bearing 36 with a seat.
In this embodiment, the first base 19 is provided with a first mounting table 18 on which the first liquid supply pump 12 is mounted, the second base 29 is provided with a second mounting table 28 on which the second liquid supply pump 22 is mounted, the first solution tank 11 is positioned on the first base 19, and the second solution tank 21 is positioned on the second base 29.
In this embodiment, the lower end of the screw 32 is in transmission connection with the output shaft of the motor 31 through a coupling.
In this embodiment, the motor 31 is operated to drive the screw rod 32 to rotate through the coupler, the screw rod 32 rotates to enable the screw nut 33 to slide along the height direction of the screw rod 32, the connecting block 34 is synchronously driven to slide along the height direction of the screw rod 32 in the process that the screw nut 33 slides along the height direction of the screw rod 32, and then the collecting cover 41 is driven to lift through the mounting flat plate 40 until the mounting height of the collecting cover component 4 is adjusted to meet the collecting requirement.
In the embodiment, the micron mesh-shaped dust filter screen can effectively filter dust particles, the G4 filter screen can effectively remove PM2.5 particles in gas, and the filtering efficiency of the G4 filter screen on suspended particulate matters with the particle size larger than 0.5 mu m is more than or equal to 70%; the activated carbon fiber filter screen can effectively adsorb organic matters such as formaldehyde, benzene and VOC in gas, and simultaneously remove various peculiar smells.
In this embodiment, when the carbon dioxide in the welding tail gas is dissolved in the NaOH solution, the carbon dioxide in the tail gas is firstly mixed with water to form the carbonic acid H2CO3，H2CO3Then reacting with NaOH to generate Na2CO3And H2O; considering that carbonic acid is unstable and heat is easily decomposed, the cooling coil 10 is arranged in the first solution tank 11 for containing the NaOH solution, and the circulating cooling water and the NaOH solution in the first solution tank 11 are introduced into the cooling coil 10 for heat exchange, so that the temperature of the sprayed NaOH solution is reduced, and the temperature of the NaOH solution is ensured to be below 25 ℃.
In this embodiment, the first solution tank 11 is configured to contain a sodium hydroxide solution to realize the primary absorption of carbon dioxide in the welding tail gas, because the solubility of sodium hydroxide is greater than that of calcium hydroxide, the absorption capacity of the sodium hydroxide solution for absorbing carbon dioxide is greater than that of the calcium hydroxide solution.
In this embodiment, set up second solution tank 21 splendid attire calcium hydroxide solution, because calcium hydroxide solution and carbon dioxide reaction have white sediment to produce, so also be convenient for inspect whether still contain carbon dioxide in the gas of emission, can realize welding tail gas's carbon dioxide's secondary absorption in addition, improved tail gas carbon dioxide absorption effect, reduce remaining carbon dioxide gas.
In this embodiment, the first liquid spray pipe 14 is arranged at the upper part in the first absorber 16, so that the first spray head 15 faces downwards, thereby facilitating the movement direction of the sodium hydroxide solution sprayed by the first spray head 15 to be opposite to the flow direction of the carbon dioxide in the first absorber 16, and improving the absorption effect;
the second spray pipe 24 is provided at the upper portion of the inside of the second absorber 26 such that the second spray head 25 is directed downward, thereby facilitating the movement of the calcium hydroxide solution sprayed by the second spray head 25 in the opposite direction to the flow of carbon dioxide in the second absorber 26, and improving the absorption effect.
In this embodiment, the drain pipe 61 is provided to discharge the solution after the reaction between the first absorber 16 and the second absorber 26 into the liquid storage tank 6 for storage, and the solution after the reaction enters the liquid storage tank 6 for precipitation and then is discharged to the drain pipe through the drain pipe 62, because the solution after the reaction is CaCO3Solution and Na2CO3The solution has small influence on the environment.
In conclusion, the utility model has simple structure and reasonable design, realizes the capture, transportation, absorption and inspection of welding tail gas in the carbon dioxide gas shielded welding process, reduces the discharge amount of carbon dioxide, thereby reducing the environmental pollution and having strong practicability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a carbon dioxide gas shielded arc welding tail gas absorbs verifying attachment which characterized in that: the device comprises a welding tail gas collecting mechanism arranged at the upper part of a welding station (7), a filter box (5) connected with the welding tail gas collecting mechanism, a solution absorbing mechanism (1) and a solution absorbing and inspecting mechanism (2) which are sequentially connected with the filter box (5);
the welding tail gas collecting mechanism comprises an adjusting support (3) and a collecting cover component (4) which is arranged on the adjusting support (3) and can slide up and down along the adjusting support (3), the adjusting support (3) comprises a U-shaped seat (37) and a screw rod adjusting component arranged in the U-shaped seat (37), the screw rod adjusting component is connected with the collecting cover component (4) through a connecting block (34), a first fan (51) is arranged between the filter box (5) and the solution absorbing mechanism (1), and a second fan (52) is arranged between the solution absorbing mechanism (1) and the solution absorbing and inspecting mechanism (2);
the solution absorption mechanism (1) comprises a first base (19), a first absorber (16) arranged on the first base (19) and a sodium hydroxide solution spraying component connected with the first absorber (16), the solution absorption inspection mechanism (2) comprises a second base (29), a second absorber (26) arranged on the second base (29) and a calcium hydroxide solution spraying component connected with the second absorber (26), the second fan (52) is positioned between the first absorber (16) and the second absorber (26), and the first fan (51) is positioned between the first absorber (16) and the filter box (5).
2. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 1, characterized in that: the bottom of the U-shaped seat (37) is provided with an L-shaped reinforcing plate (38) and a base (39), the L-shaped reinforcing plate (38) comprises a bottom plate (38-2) arranged on the base (39) and a vertical plate (38-1) vertically arranged with the bottom plate (38-2), the U-shaped seat (37) is installed on the bottom plate (38-2) and attached to the vertical plate (38-1), and the top of the U-shaped seat (37) is higher than that of the vertical plate (38-1);
the screw rod adjusting part comprises a motor (31) arranged on a bottom plate (38-2), a screw rod (32) vertically arranged in a U-shaped seat (37) and in transmission connection with an output shaft of the motor (31), and a nut (33) sleeved on the screw rod (32), a connecting block (34) is sleeved on the screw rod (32) and fixedly connected with the nut (33), and the connecting block (34) is connected with a collecting cover part.
3. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 1, characterized in that: the collecting cover part comprises a mounting flat plate (40), a collecting cover (41) arranged at the bottom of the mounting flat plate (40) and a top air blower (42) arranged at the top of the mounting flat plate (40), wherein an air suction port (44) is formed in the mounting flat plate (40), the air suction port (44) is communicated with a cavity in the collecting cover (41), the collecting cover (41) is frustum-shaped, the cross section of the bottom of the collecting cover (41) is larger than that of the top of the collecting cover (41), and an outlet of the top air blower (42) is connected with an inlet of the filter box (5);
the mounting structure is characterized in that a convex block (40-1) is arranged at one end, close to the U-shaped seat (37), of the mounting flat plate (40), a step surface is formed at the joint of the convex block (40-1) and the mounting flat plate (40), the convex block (40-1) extends into the U-shaped seat (37) to be connected with the connecting block (34), the outer side wall of the convex block (40-1) is attached to the side wall of the groove of the U-shaped seat (37), the step surface is attached to the side surface of the U-shaped seat (37), two sliding grooves (37-1) which are symmetrically distributed are formed in the side surface of the U-shaped seat (37), and a sliding block (40-2) matched with the sliding grooves (37-1) is arranged on the step surface.
4. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 3, characterized in that: a first conveying pipe (43) is arranged between an outlet of the top air fan (42) and an inlet of the filter box (5), a second conveying pipe (54) is arranged between an outlet of the filter box (5) and an inlet of the first air fan (51), a third conveying pipe (53) is arranged between an outlet of the first air fan (51) and a lower inlet of the first absorber (16), a fourth conveying pipe (17) is arranged between a top outlet of the first absorber (16) and an inlet of the second air fan (52), a fifth conveying pipe (20) is arranged between an outlet of the second air fan (52) and a lower inlet of the second absorber (26), and an emptying pipe (27) is arranged at a top outlet of the second absorber (26).
5. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 1, characterized in that: filter box (5) include the box and set up multichannel filter screen in the box, the multichannel the filter screen is micron netted dust filtration net, G4 filter screen, activated carbon fiber filter screen respectively by entry to export.
6. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 1, characterized in that: the sodium hydroxide solution spraying part comprises a first solution tank (11), a first liquid supply pump (12) and a first liquid supply pipe (13) which are sequentially connected, a first liquid spray pipe (14) which is connected with the first liquid supply pipe (13) and extends into the upper part of a first absorber (16), and a plurality of first spraying heads (15) which are arranged on the first liquid spray pipe (14), wherein the first solution tank (11) contains a sodium hydroxide solution;
the calcium hydroxide solution spraying part comprises a second solution tank (21), a second liquid supply pump (22) and a second liquid supply pipe (23) which are sequentially connected, a second liquid spray pipe (24) which is connected with the second liquid supply pipe (23) and extends into the upper part of a second absorber (26), and a plurality of second spraying heads (25) which are arranged on the second liquid spray pipe (24), wherein the first spraying heads (15) and the second spraying heads (25) face downwards, and the second solution tank (21) is filled with a calcium hydroxide solution.
7. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 6, characterized in that: a cooling coil (10) is arranged in the first solution tank (11), and a water inlet and a water return port of the cooling coil (10) are both positioned outside the first solution tank (11).
8. The carbon dioxide gas shielded welding tail gas absorption inspection device according to claim 1, characterized in that: the first absorber (16) and the second absorber (26) are provided with a liquid discharge pipe (61), the liquid discharge pipe (61) is connected with the liquid storage tank (6), and the upper part of the liquid storage tank (6) is provided with a drain pipe (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121742457.1U CN215693105U (en) | 2021-07-28 | 2021-07-28 | Carbon dioxide gas shielded welding tail gas absorption inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121742457.1U CN215693105U (en) | 2021-07-28 | 2021-07-28 | Carbon dioxide gas shielded welding tail gas absorption inspection device |
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| Publication Number | Publication Date |
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| CN215693105U true CN215693105U (en) | 2022-02-01 |
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| CN202121742457.1U Active CN215693105U (en) | 2021-07-28 | 2021-07-28 | Carbon dioxide gas shielded welding tail gas absorption inspection device |
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| Country | Link |
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| CN (1) | CN215693105U (en) |
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2021
- 2021-07-28 CN CN202121742457.1U patent/CN215693105U/en active Active
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Address after: No.158, north section of Zhuque street, Beilin District, Xi'an City, Shaanxi Province, 710068 Patentee after: SCEGC EQUIPMENT INSTALLATION GROUP CO.,LTD. Address before: 710068 No. 111, Hanguang North Road, Xi'an City, Shaanxi Province Patentee before: SCEGC EQUIPMENT INSTALLATION GROUP CO.,LTD. |