Ship welding equipment with smoke dust recycling function

Abstract

The invention relates to ship welding equipment with a smoke dust recycling function in the field of welding equipment, toxic gas generated after smoke dust settling is adsorbed through an adsorption barrel and a sponge barrel arranged in the adsorption barrel, and the contact effect of adsorption liquid and the toxic gas is improved through a stable liquid film formed by the adsorption liquid in a porous structure of the sponge barrel. The toxic gas treatment effect is further improved; meanwhile, through an upper movable valve and a lower movable valve which are arranged at the upper end and the lower end of the sponge barrel and a hydraulic cylinder body for driving the lower movable valve to move up and down, the lower movable valve is regularly driven to move upwards to extrude the sponge barrel, so that the adsorption liquid in the sponge barrel is extruded, and the extruded adsorption liquid infiltrates and flushes the inner wall of the settling barrel; the recovery effect on the dust particles in the smoke dust is further improved; in addition, replacement of the adsorption liquid is achieved through the liquid distribution pipe penetrating through the sponge barrel and the adsorption liquid supply mechanism, the adsorption effect is improved, and the frequency of manual disassembly, maintenance and filler replacement is reduced.

Description

Technical Field

[0001] The present invention relates to a welding device, in particular to a ship welding device with a fume recovery function applied to the field of welding devices. Background Art

[0002] In shipbuilding processes, automated welding operations for complex sections generate aerosol pollutants containing metallic fumes and toxic gases. Due to space limitations in enclosed cabins, air mobility is insufficient. Measured data shows that the particulate matter concentration at the welding station can reach 15 - 20 times the occupational exposure limit, with PM2.5 accounting for over 80%, and irritating gases such as nitrogen oxides and ozone are also generated. These pollutants not only have respiratory toxicity, but their metal oxide components can also cause oxidative stress damage, and long-term exposure significantly increases the risk of welder's pneumoconiosis and chronic respiratory diseases.

[0003] The existing patent with the publication number CN114749277B discloses a welding dust removal system that solves pollution at the source of welding fumes, including a gantry truss, a traveling mechanism installed on the gantry truss, a welding robot installed on the traveling mechanism, and a follow-up adsorption robot installed on the traveling mechanism through two cooperative robotic arms respectively with the welding robot. The follow-up adsorption robot includes a multi-stage dust removal device for removing and purifying the welding fumes generated by the welding robot, and an end clamping mechanism for installing the multi-stage dust removal device on the corresponding cooperative robotic arm. The multi-stage dust removal device includes a cyclone separator, a physical filter, and an electrostatic precipitator connected in sequence according to the flow direction of the welding fumes. The physical filter uses filter cotton wrapped with activated carbon as a dry filtration method and also uses filter cotton soaked with liquid chemical agents as a wet filtration method. The present invention solves the problems of environmental pollution and health hazards caused by welding fumes in the welding process.

[0004] The above-mentioned existing technology uses multiple methods such as dry filtration, wet filtration, and electrostatic dust removal to adsorb and recover dust and toxic gases in the fumes. Although the adsorption effect is improved, it is necessary to periodically replace consumables such as filter fillers. Summary of the Invention

[0005] Aiming at the above-mentioned existing technology, the technical problem to be solved by the present invention is that the existing welding fume treatment device needs to periodically replace packing consumables.

[0006] To solve the above problems, the present invention provides a ship welding device with a fume recovery function, including a welding torch; the welding torch is fixedly communicated with a fume pipe, the fume pipe is communicated with a settling cylinder, a suction cylinder extending above it is fixedly connected at the central axis position of the settling cylinder, the upper end of the suction cylinder is fixedly communicated with an exhaust pipe, the exhaust pipe is fixedly communicated with a negative pressure pump communicated with the external atmosphere, and the negative pressure pump is fixedly connected to the upper end surface of the settling cylinder;

[0007] Inside the adsorption cylinder, there is a sponge cylinder slidably connected to its inner wall. The sponge cylinder is filled with an adsorption liquid. At the upper and lower ends of the sponge cylinder, there are upper and lower movable valves arranged in mirror symmetry. Both the upper and lower movable valves include movable disks fixedly connected to the end of the sponge cylinder and slidably connected to the inner wall of the adsorption cylinder. On the outer side of a pair of movable disks, there are fixed disks. The fixed disk of the upper movable valve is fixedly connected to the inner wall of the adsorption cylinder. At the upper end of the adsorption cylinder, there is a hydraulic cylinder body. Inside the hydraulic cylinder body, there is a piston rod slidably connected. The piston rod movably penetrates through the upper movable valve, the sponge cylinder, and the lower movable disk, and is fixedly connected to the lowermost fixed disk.

[0008] The movable disk is provided with inner air outlet holes, and the fixed disk is provided with outer air outlet holes staggered from the inner air outlet holes. On the end face of the movable disk facing the fixed disk, there is a plugging column for plugging the outer air outlet holes. There is a limiting spring between the fixed disk and the movable disk. On the upper side wall of the adsorption cylinder, there is a liquid discharge hole, and the liquid discharge hole is arranged in cooperation with the movable disk of the upper movable valve. Inside the adsorption cylinder, there are multiple liquid distribution pipes. The liquid distribution pipes successively penetrate through the upper movable valve, the sponge cylinder, and the lower movable valve from top to bottom and are slidably connected to the three. The part of the liquid distribution pipe inside the sponge cylinder is provided with drip holes linearly and equidistantly distributed. The upper end of the liquid distribution pipe is communicated with an adsorption liquid supply mechanism.

[0009] In the above-mentioned ship welding equipment with a soot recovery function, the automatic replacement of the filler is realized through the sponge cylinder infiltrated with the adsorption liquid, the adsorption liquid supply mechanism, and the liftable lower movable valve.

[0010] As a further improvement of the present application, a filter cover is fixedly connected to the lower end of the adsorption cylinder. The lower part of the filter cover is in a conical cylinder structure, and its conical side wall is provided with uniformly distributed filter holes. A pressure nozzle is arranged at the lower part of the liquid distribution pipe. The pressure nozzle includes a fixed ring fixed inside the liquid distribution pipe. Below the fixed ring, there is an activity cylinder extending below the liquid distribution pipe. Below the activity cylinder, there is a support spring arranged inside the liquid distribution pipe. The activity cylinder is in a cylindrical structure with an open upper end. The lower circumferential side wall of the activity cylinder is provided with spray holes communicated with its inner cavity.

[0011] As a further improvement of the present application, a welding head is fixedly connected to the front end of the welding torch. The welding torch is provided with a circumferentially distributed dust collection channel on the outside of the welding head. One end of the welding torch far from the welding head is fixedly connected with a first dispersion ring communicated with the dust collection channel. The first dispersion ring is communicated with a soot pipe. The soot pipe is communicated with a sedimentation cylinder through a smoke inlet pipe tangentially arranged on the sedimentation cylinder.

[0012] As a further improvement of the present application, the welding torch is provided with a plurality of cooling channels circumferentially and equidistantly distributed on the inner side of the dust collection channel. One end of the cooling channel far from the welding head is communicated with an air inlet cavity arranged inside the welding torch. The air inlet cavity is communicated with the external atmosphere, and a filter net is fixedly connected at the communication part.

[0013] As a further improvement of the present application, the sedimentation cylinder adopts a conical cylinder structure, and a cylindrical collection cylinder is fixedly connected to its lower part. An eliminator is fixedly connected to the upper end inside the adsorption cylinder.

[0014] As a further improvement of the present application, the adsorption cylinder is a circular tubular structure with an open lower end. Both the movable disk and the fixed disk are disk-shaped structures, and one end of the plugging column close to the fixed disk is a tip structure.

[0015] As a further improvement of the present application, the sponge cylinder is made of a porous sponge material, and the adsorption liquid is at least one of water, an alkaline solution, or an oxidizing solution.

[0016] As a further improvement of the present application, the adsorption liquid supply mechanism includes a second dispersion ring located outside the adsorption cylinder 8. The upper end of the liquid distribution pipe fixedly penetrates the adsorption cylinder and is fixedly connected to the second dispersion ring. The second dispersion ring is fixedly connected to a liquid extraction pump. The liquid extraction pump is fixedly connected to a liquid storage tank through a pipeline. Both the liquid storage tank and the sedimentation cylinder are fixedly connected to the same mobile trolley.

[0017] In summary, the present invention adsorbs the toxic gas after the soot sedimentation through the adsorption cylinder and the sponge cylinder arranged inside the adsorption cylinder, and utilizes the stable liquid film formed by the adsorption liquid in the porous structure of the sponge cylinder to improve the contact effect between the adsorption liquid and the toxic gas, thereby improving the treatment effect of the toxic gas. At the same time, through the upper movable valve and the lower movable valve arranged at the upper and lower ends of the sponge cylinder and the hydraulic cylinder body for driving the up and down movement of the lower movable valve, the lower movable valve is periodically driven to move upward to squeeze the sponge cylinder, so as to realize the extrusion of the adsorption liquid in the sponge cylinder. The extruded adsorption liquid infiltrates and flushes the inner wall of the sedimentation cylinder, further improving the recovery effect of the dust particles in the soot. In addition, the replacement of the adsorption liquid is realized through the liquid distribution pipe penetrating the sponge cylinder and the adsorption liquid supply mechanism, improving the adsorption effect and reducing the frequency of manual disassembly, maintenance, and packing replacement. Description of the Drawings

[0018] Figure 1 is a three-dimensional structure schematic diagram of the present application;

[0019] Figure 2 is a transverse cross-sectional structure schematic diagram of the present application;

[0020] Figure 3 is Figure 2 an enlarged structure schematic diagram at A in

[0021] Figure 4 is an assembly schematic diagram of the welding torch in the present application;

[0022] Figure 5 is Figure 2 an enlarged structure schematic diagram at B in

[0023] Figure 6 isFigure 2 Schematic diagram of the enlarged structure at position C;

[0024] Figure 7 Exploded assembly schematic diagram of the adsorption cylinder in this application;

[0025] Figure 8 Schematic diagram of the flow of soot in the adsorption cylinder;

[0026] Figure 9 Schematic diagram of the extrusion state of the sponge cylinder;

[0027] Figure 10 Schematic diagram of the internal structure of the adsorption cylinder;

[0028] Figure 11 For Figure 10 Schematic diagram of the enlarged structure at position D in

[0029] Description of the reference numerals in the figure:

[0030] 1. Mobile trolley; 2. Welding torch; 201. Dust collection channel; 202. Cooling channel; 203. Intake cavity; 204. Filter screen; 3. Welding head; 4. First dispersion ring; 5. Soot pipe; 6. Smoke inlet pipe; 7. Settling cylinder; 8. Adsorption cylinder; 801. Drain hole; 9. Exhaust pipe; 10. Negative pressure pump; 11. Sponge cylinder; 12. Upper movable valve; 13. Movable plate; 1301. Inner air outlet hole; 1302. Plugging column; 14. Fixed plate; 1401. Outer air outlet hole; 15. Limit spring; 16. Lower movable valve; 17. Piston rod; 18. Hydraulic cylinder body; 19. Liquid distribution pipe; 1901. Drip irrigation hole; 20. Second dispersion ring; 21. Liquid extraction pump; 22. Liquid storage tank; 23. Demister; 24. Filter cover; 25. Pressure nozzle; 2501. Fixed ring; 2502. Movable cylinder; 2503. Support spring; 2504. Spray hole. Detailed implementation manners

[0031] The following describes in detail two implementation manners of this application with reference to the accompanying drawings.

[0032] The first implementation manner:

[0033] Figures 1-9 Shows a ship welding device with a soot recovery function, including a welding torch 2; the welding torch 2 is fixedly connected to a soot pipe 5, the soot pipe 5 is connected to a settling cylinder 7, a adsorption cylinder 8 extending above it is fixedly connected at the central axis position of the settling cylinder 7, the upper end of the adsorption cylinder 8 is fixedly connected to an exhaust pipe 9, the exhaust pipe 9 is fixedly connected to a negative pressure pump 10 communicating with the external atmosphere, the negative pressure pump 10 is fixedly connected to the upper end face of the settling cylinder 7, and the negative pressure pump 10 sucks the air flow in the adsorption cylinder 8 through the exhaust pipe 9, so that the adsorption cylinder 8 is in a negative pressure state, and the adsorption cylinder 8 sucks and filters the soot entering the settling cylinder 7 under negative pressure;

[0034] See also Figure 5 and Figure 6 , a sponge cylinder 11 is provided in the adsorption cylinder 8 and is slidably connected to the inner wall thereof, the sponge cylinder 11 is filled with adsorption liquid, an upper movable valve 12 and a lower movable valve 16 which are arranged in a mirror-symmetrical manner are fixedly connected at the upper and lower ends of the sponge cylinder 11, the upper movable valve 12 and the lower movable valve 16 both include a movable disk 13 which is fixedly connected to the end of the sponge cylinder 11 and is slidably connected to the inner wall of the adsorption cylinder 8, a pair of movable disks 13 are provided with a fixed disk 14 on the outer side, the fixed disk 14 of the upper movable valve 12 is fixedly connected to the inner wall of the adsorption cylinder 8, a hydraulic cylinder body 18 is fixedly connected to the upper end of the adsorption cylinder 8, a piston rod 17 is slidably connected inside the hydraulic cylinder body 18, the piston rod 17 movably passes through the upper movable valve 12, the sponge cylinder 11 and the lower movable disk 13, and is fixedly connected to the lowermost fixed disk 14, when the hydraulic cylinder body 18 drives the lower movable valve 16 to move upward through the piston rod 17 to cooperate with the upper movable valve 12, the sponge cylinder 11 is squeezed;

[0035] See also Figure 8 and Figure 9 , an inner air outlet 1301 is provided on the movable disk 13, and an outgoing air hole 1401 staggered with the inner air outlet 1301 is provided on the fixed disk 14, and a blocking column 1302 for blocking the outgoing air hole 1401 is fixedly connected to the end surface of the movable disk 13 facing the fixed disk 14, and a limit spring 15 is provided between the fixed disk 14 and the movable disk 13. When the lower movable valve 16 moves upward to squeeze the sponge cylinder 11, the blocking columns 1302 of the upper movable valve 12 and the lower movable valve 16 are both inserted into the outgoing air hole 1401, and the upper movable valve 12 and the lower movable valve 16 close the two ends of the sponge cylinder 11. A drainage hole 801 is provided on the upper side wall of the adsorption cylinder 8, and the drainage hole 801 is arranged in cooperation with the movable disk 13 of the upper movable valve 12. When the lower movable valve 16 squeezes the sponge cylinder 11 upward, the drainage hole 801 is connected to the cavity where the sponge cylinder 11 is located, and under the squeezing action of the lower movable valve 16;

[0036] See also Figure 7 A plurality of liquid distribution pipes 19 are provided in the adsorption cylinder 8. The liquid distribution pipes 19 penetrate the upper movable valve 12, the sponge cylinder 11 and the lower movable valve 16 from top to bottom and are slidably connected with the three. The portion of the liquid distribution pipes 19 located in the sponge cylinder 11 is provided with linearly equidistantly distributed drip irrigation holes 1901, and the upper end of the liquid distribution pipes 19 is connected to an adsorption liquid supply mechanism.

[0037] Specifically, a sponge cylinder 11 filled with an adsorption liquid is arranged in the adsorption cylinder 8 to adsorb the toxic gas in the settled soot. After the set adsorption time, the hydraulic cylinder body 18 is started. The hydraulic cylinder body 18 drives the lower movable valve 16 to move upward through the piston rod 17. The lower movable valve 16 squeezes the sponge cylinder 11, so that the adsorption liquid in the sponge cylinder 11 is sprayed out through the liquid discharge hole 801 into the settling cylinder 7 to wet and wash the inner wall of the settling cylinder 7. And the adsorption liquid supply mechanism is used to inject the adsorption liquid into the sponge cylinder 11 through the liquid distribution pipe 19 to realize the replacement of the adsorption liquid.

[0038] Compared with the traditional welding fume recovery device, the present invention adsorbs the toxic gas after soot settlement through the adsorption cylinder 8 and the sponge cylinder 11 arranged in the adsorption cylinder 8, and uses the stable liquid film formed by the adsorption liquid in the porous structure of the sponge cylinder 11 to improve the contact effect between the adsorption liquid and the toxic gas, thereby improving the treatment effect of the toxic gas. At the same time, through the upper movable valve 12 and the lower movable valve 16 arranged at the upper and lower ends of the sponge cylinder 11 and the hydraulic cylinder body 18 that drives the lower movable valve 16 to move up and down, the lower movable valve 16 is regularly driven to move upward to squeeze the sponge cylinder 11, so as to realize the extrusion of the adsorption liquid in the sponge cylinder 11. The extruded adsorption liquid wets and washes the inner wall of the settling cylinder 7, further improving the recovery effect of the dust particles in the soot. In addition, the replacement of the adsorption liquid is realized through the liquid distribution pipe 19 penetrating the sponge cylinder 11 and the adsorption liquid supply mechanism, improving the adsorption effect, and there is no need to manually disassemble and replace the packing frequently.

[0039] Please refer to Figure 3 and Figure 4 , a welding head 3 is fixedly connected to the front end of the welding torch 2. The welding torch 2 is provided with a circumferentially distributed dust collection channel 201 on the outer side of the welding head 3. One end of the welding torch 2 far from the welding head 3 is fixedly connected with a first dispersion ring 4 communicated with the dust collection channel 201. The first dispersion ring 4 is communicated with the soot pipe 5, and the soot pipe 5 is communicated with the settling cylinder 7 through a smoke inlet pipe 6 tangentially arranged on the settling cylinder 7.

[0040] Specifically, the circumferentially distributed dust collection channels 201 opened on the outer side of the welding head 3 are used to suck and collect the welding soot around the outer side of the welding head 3, replacing the traditional dust suction hood sleeved on the outer side of the welding head or the suction pipe independently arranged on one side of the welding head, reducing the blockage of the line of sight of the welding head 3 and improving the dust suction effect at the same time.

[0041] Please refer to Figure 3 , the welding torch 2 is provided with a plurality of circumferentially equidistantly distributed cooling channels 202 on the inner side of the dust collection channel 201. One end of the cooling channel 202 far from the welding head 3 is communicated with an air inlet cavity 203 opened in the welding torch 2. The air inlet cavity 203 is communicated with the external atmosphere and a filter screen 204 is fixedly connected at the communication part.

[0042] Specifically, by providing a cooling channel 202, external air is introduced into the welding torch 2 to cool it, reducing the damage to the welding torch 2 caused by high-temperature soot.

[0043] Please refer to Figure 2 , the sedimentation cylinder 7 adopts a conical cylinder structure and a cylindrical collection cylinder is fixedly connected to its lower part. An eliminator 23 is fixedly connected to the upper end inside the adsorption cylinder 8.

[0044] Specifically, it is convenient for the soot entering the sedimentation cylinder 7 to form a swirl in the sedimentation cylinder 7, accelerating the aggregation and sedimentation of dust particles in the soot, and enabling the adsorption liquid sprayed into the sedimentation cylinder 7 to be evenly spread on the inner wall of the sedimentation cylinder 7. The swirl of the adsorption liquid is used to increase the contact area between the dust particles and toxic gases in the soot and the adsorption liquid, further improving the adsorption and recovery effect; in addition, the inner wall of the sedimentation cylinder 7 is flushed by the swirl of the adsorption liquid to improve the recovery effect and reduce the adhesion of dust to the inner wall of the sedimentation cylinder 7; in addition, the eliminator 23 cleans the moisture entering above the upper movable valve 12.

[0045] Please refer to Figure 5 and Figure 6 , the adsorption cylinder 8 is a circular tubular structure with an open lower end. Both the movable disk 13 and the fixed disk 14 are disk-shaped structures. One end of the plugging column 1302 close to the fixed disk 14 is a tip structure.

[0046] Specifically, the upper movable valve 12 and the lower movable valve 16 are closed by plugging the outlet hole 1401 with the plugging column 1302. When the sponge cylinder 11 is squeezed, the squeezed adsorption liquid is discharged through the liquid discharge hole 801. In addition, the staggered inner outlet holes 1301 and the outer outlet holes 1401 improve the sealing effect when the movable disk 13 and the fixed disk 14 are fitted together.

[0047] In this embodiment, the sponge cylinder 11 is made of a porous sponge material, and the adsorption liquid is at least one of water, an alkaline solution or an oxidizing solution.

[0048] Specifically, it is convenient for the adsorption liquid to be fully dispersed in the porous structure of the sponge cylinder 11 to form a stable liquid film, which has a good adsorption effect on toxic gases. At the same time, the sponge material is convenient for elastic deformation to extrude the adsorbed adsorption liquid; it should be noted that the welding soot mainly includes nitrogen oxides, sampling and metal vapors. Water and alkaline solutions can better dissolve nitrogen oxides and acidic gases. The oxidizing solution mainly includes hydrogen peroxide solution or potassium permanganate solution, which is used to decompose ozone.

[0049] Please refer to Figure 1 and 2, the adsorption liquid supply mechanism includes a second dispersion ring 20 located outside the adsorption cylinder 8. The upper end of the liquid distribution pipe 19 is fixedly penetrated through the adsorption cylinder 8 and fixedly communicated with the second dispersion ring 20. The second dispersion ring 20 is fixedly communicated with a liquid extraction pump 21. The liquid extraction pump 21 is fixedly communicated with a liquid storage tank 22 through a pipeline. Both the liquid storage tank 22 and the sedimentation cylinder 7 are fixedly connected to the same mobile trolley 1.

[0050] Specifically, the adsorption liquid is injected into the sponge cylinder 11 through the adsorption liquid supply mechanism and the liquid distribution pipe 19 to achieve rapid replacement of the adsorption liquid.

[0051] The second implementation mode:

[0052] Figure 6 , Figure 10 and Figure 11 shows a ship welding device with a soot recovery function. On the basis of the first implementation mode, a filter cover 24 is fixedly connected to the lower end of the adsorption cylinder 8. The lower part of the filter cover 24 is in a conical cylinder structure, and filter holes are evenly distributed on its conical side wall.

[0053] Specifically, the sedimented soot is filtered through the filter cover 24 to reduce the soot entering the adsorption cylinder 8, thereby improving the service life of the sponge cylinder 11 and the adsorption effect on toxic gases.

[0054] Please refer to Figure 10 and Figure 11 , a pressure nozzle 25 is provided at the lower part of the liquid distribution pipe 19. The pressure nozzle 25 includes a fixed ring 2501 fixed in the liquid distribution pipe 19. A movable cylinder 2502 extending below the liquid distribution pipe 19 abuts against the lower part of the fixed ring 2501. A support spring 2503 arranged in the liquid distribution pipe 19 abuts against the lower part of the movable cylinder 2502. The movable cylinder 2502 is in a cylindrical structure with an open upper end. Spray holes 2504 communicating with its inner cavity are opened on the circumferential side wall of the lower part of the movable cylinder 2502.

[0055] Specifically, when it is necessary to clean the filter cover 24, the liquid extraction pump 21 is started to inject the adsorption liquid into the liquid distribution pipe 19. When the pressure of the adsorption liquid in the liquid distribution pipe 19 reaches the set pressure, the movable cylinder 2502 extends out below the liquid distribution pipe 19, and the adsorption liquid is sprayed out through the spray holes 2504 to perform reverse flushing on the filter holes of the filter cover 24, clean the filter cover 24, improve the filtration rate, and reduce the frequency of manual cleaning.

[0056] Combined with the current actual requirements, the above implementation modes adopted in this application, the protection scope is not limited to this. Within the knowledge scope of those skilled in the art, various changes made without departing from the concept of this application still fall within the protection scope of the present invention.

Claims

1. A ship welding equipment with fume recovery function, characterized in that: The invention comprises a welding gun (2); the welding gun (2) is fixedly connected to a smoke pipe (5), the smoke pipe (5) is connected to a settling cylinder (7), the central axis position of the settling cylinder (7) is fixedly connected to an adsorption cylinder (8) extending above the settling cylinder (7), the upper end of the adsorption cylinder (8) is fixedly connected to an exhaust pipe (9), the exhaust pipe (9) is fixedly connected to a negative pressure pump (10) connected to the external atmosphere, and the negative pressure pump (10) is fixedly connected to the upper end surface of the settling cylinder (7); The adsorption cylinder (8) is provided with a sponge cylinder (11) slidably connected to the inner wall thereof, and the sponge cylinder (11) is filled with adsorption liquid. The upper and lower ends of the sponge cylinder (11) are fixedly connected with an upper movable valve (12) and a lower movable valve (16) arranged in a mirror-symmetrical manner. The upper movable valve (12) and the lower movable valve (16) both include a movable disk (13) fixedly connected to the end of the sponge cylinder (11) and slidably connected to the inner wall of the adsorption cylinder (8). A fixed disk (14) is provided on the outer side of a pair of movable disks (13). The fixed disk (14) of the upper movable valve (12) is fixedly connected to the inner wall of the adsorption cylinder (8). The upper end of the adsorption cylinder (8) is fixedly connected with a hydraulic cylinder body (18), and a piston rod (17) is slidably connected inside the hydraulic cylinder body (18). The piston rod (17) movably passes through the upper movable valve (12), the sponge cylinder (11) and the lower movable disk (13), and is fixedly connected to the lowermost fixed disk (14). The movable disk (13) is provided with an inner air outlet hole (1301), the fixed disk (14) is provided with an outer air outlet hole (1401) staggered with the inner air outlet hole (1301), a blocking column (1302) for blocking the outer air outlet hole (1401) is fixedly connected to the end surface of the movable disk (13) facing the fixed disk (14), a limit spring (15) is provided between the fixed disk (14) and the movable disk (13), and a liquid discharge hole (801) is provided on the upper side wall of the adsorption cylinder (8). 1), the liquid discharge hole (801) is arranged in cooperation with the movable disk (13) of the upper movable valve (12); a plurality of liquid distribution pipes (19) are arranged in the adsorption cylinder (8), the liquid distribution pipes (19) penetrate the upper movable valve (12), the sponge cylinder (11) and the lower movable valve (16) from top to bottom and are slidably connected with the three, the portion of the liquid distribution pipe (19) located in the sponge cylinder (11) is provided with linearly equidistantly distributed drip irrigation holes (1901), and the upper end of the liquid distribution pipe (19) is connected to an adsorption liquid supply mechanism.

2. The ship welding equipment with fume recovery function according to claim 1 is characterized in that: The lower end of the adsorption cylinder (8) is fixedly connected to a filter cover (24), the lower part of the filter cover (24) is a conical cylindrical structure and its conical side wall is provided with evenly distributed filter holes, the lower part of the liquid distribution pipe (19) is provided with a pressure nozzle (25), the pressure nozzle (25) comprises a fixed ring (2501) fixed in the liquid distribution pipe (19), a movable cylinder (2502) extending to the lower part of the liquid distribution pipe (19) is abutted below the fixed ring (2501), a supporting spring (2503) arranged in the liquid distribution pipe (19) is abutted below the movable cylinder (2502), the movable cylinder (2502) is abutted below the movable cylinder (2502), the movable cylinder (2502) is a cylindrical structure with an open upper end, and a spray hole (2504) connected to its inner cavity is provided on the circumferential side wall of the lower part of the movable cylinder (2502).

3. The ship welding equipment with fume recovery function according to claim 1 is characterized in that: The front end of the welding gun (2) is fixedly connected to a welding head (3); a dust collecting channel (201) distributed in a circumferential manner is provided on the outside of the welding head (3) of the welding gun (2); an end of the welding gun (2) away from the welding head (3) is fixedly connected to a first dispersion ring (4) in communication with the dust collecting channel (201); the first dispersion ring (4) is in communication with a smoke pipe (5); and the smoke pipe (5) is in communication with the settling cylinder (7) via a smoke inlet pipe (6) tangentially arranged on the settling cylinder (7).

4. The ship welding equipment with smoke recovery function according to claim 3 is characterized in that: The welding gun (2) is provided with a plurality of cooling channels (202) which are equidistantly distributed in a circumference, and one end of the cooling channel (202) away from the welding head (3) is connected to an air intake chamber (203) provided in the welding gun (2). The air intake chamber (203) is connected to the external atmosphere and a filter screen (204) is fixedly connected to the connection point.

5. The ship welding equipment with fume recovery function according to claim 1 is characterized in that: The settling cylinder (7) adopts a conical cylinder structure and its lower part is fixedly connected to a cylindrical collecting cylinder, and the upper end of the adsorption cylinder (8) is fixedly connected to a demister (23).

6. The ship welding equipment with smoke recovery function according to claim 1 is characterized in that: The adsorption cylinder (8) is a circular tubular structure with an opening at the lower end; the movable disk (13) and the fixed disk (14) are both disc-shaped structures; and the end of the blocking column (1302) close to the fixed disk (14) is a pointed structure.

7. The ship welding equipment with fume recovery function according to claim 1 is characterized in that: The sponge tube (11) is made of porous sponge material, and the adsorption liquid is at least one of water, alkaline solution or oxidizing solution.

8. The ship welding equipment with fume recovery function according to claim 1 is characterized in that: The adsorption liquid supply mechanism comprises a second dispersion ring (20) located outside the adsorption cylinder (8); the upper end of the liquid distribution pipe (19) is fixedly passed through the adsorption cylinder (8) and is fixedly connected to the second dispersion ring (20); the second dispersion ring (20) is fixedly connected to a liquid extraction pump (21); the liquid extraction pump (21) is fixedly connected to a liquid storage tank (22) through a pipeline; and both the liquid storage tank (22) and the sedimentation cylinder (7) are fixedly connected to the same movable trolley (1).

Images