Welder safety technology disclosure, building construction welding safety technology disclosure?

1. When the welder is working, he should wear work clothes, insulated shoes, welding gloves and shoe covers, and protective sunglasses. When the site is wet, stand on a dry wooden board or rubber mat.

2. When the welding machine is used, it must be equipped with a designated leakage protector according to the regulations of the superior. The electric welding machine should have a special wiring switch, and it should not be directly connected to the power line or two welding machines on one switch; The switch is installed in the control box that is protected from water and fire, the box body should be sheltered from rain, and the fuse capacity of the switch should be twice that of the machine. It is strictly forbidden to replace the fuse with other metals, and no items are allowed to be placed on the side of the machine.

The assembly and maintenance of the welding machine should be carried out by an electrician and must be carried out after the power supply is cut off. Welding machines that have not been used for a long time should be checked for voltage compliance and barrier-free failures.

3. The ground wire is not allowed to be connected to buildings, machinery and equipment, various pipelines, metal frames or iron frames, and special ground wires must be set up and placed directly on the weldments, and it is not allowed to borrow the road.

4. The welding site must be not less than 10 meters away from oxygen cylinders, calcium carbide barrels, acetylene generators, wood and various flammable fuel oils, and the distance from explosive materials is not less than 20 meters.

5. The welder shall not remove the gloves when changing the welding rod, and the other hand shall not be pressed on the shell of the welder when pulling the power switch, and the head shall not be facing the switch.

6 When removing the welding slag, the face should not be facing the weld to prevent the welding slag from shooting into the eyes.

7. The temperature of the welding machine should be checked frequently, generally not more than 700C, and the welding tong should be stopped for repair when it is exceeded. The welded workpiece should generally be cooled naturally, and it should not be watered to quench to avoid hard brittleness in the weld.

9. When getting off work, the power should be cut off, and the welding wire and the ground wire should be separated, and they should not be mixed together, so as to avoid accidents when closing again, and at the same time, check whether there is a hidden danger of fire around the welding area.

10. Welders and assistants must be familiar with electric shock rescue and protection methods, in case of electric shock accidents, they should immediately cut off the power supply, and immediately notify the medical personnel for first aid, before the medical personnel arrived, one of them should carry out artificial respiration on the electrocuted person.

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1. The welding machine should be placed in a dry and insulated place. Before use, check whether the insulation of the primary and secondary wires is good and whether there is a protective cover at the wiring. Whether the welding tongs are in good condition and whether the shell has zero connection protection. Confirm that there are no problems before using it.

2. When welding in wet trenches, pipelines and boilers, insulation measures should be taken, insulating boards or rubber sheets can be padd, and insulated shoes should be worn to operate, and should be well ventilated to prevent sweating.

3. When welding, the operator must wear insulating gloves and insulated shoes, and the double wires must be in place during welding, and it is not allowed to use shelves, tracks, pipes, steel bars and other conductive materials as connecting ground wires, and it is not allowed to use bare wires, and more copper stamen cables should be used. type vertical annihilation.

4. During operation, there must be a fire certificate, fire-fighting equipment, and a special person to take care of it, remove nearby flammable materials, and prevent welding sparks from splashing, igniting materials, and fires.

5. The welder must be certified to operate, and the welding machine is set up with a special switch box, and the welding machine is not allowed to be used on the trolley.

6. When replacing the mobile welding handle in the site, the power supply should be cut off, and the ladder should not be climbed with the handlebar in hand.

7. At the end of the work, cut off the power supply, check the operation location, and confirm that there is no danger of causing disasters before leaving.

<>1.Motors, electrical appliances, air compressors, etc. on welding equipment. And there is a complete protective shell, and there should be a protective cover at the primary and secondary binding posts.

2.The electric welding used for on-site training should be equipped with a rainproof, moisture-proof, and sun-proof shed, and be equipped with fire-fighting supplies.

3.When welding, welding and cooperating personnel must take safety measures to prevent accidents such as electric shock, falling from height, gas poisoning, and fire.

4.It is strictly forbidden to weld and cut pressure pipes, containers containing flammable and explosive materials and stressed components in operation.

5.When welding non-ferrous metals such as copper, aluminum, zinc, tin, lead, etc., it must be carried out in a well-ventilated area, and the welding personnel should wear gas masks or respiratory filters.

6.When welding in the container, the following measures must be taken: there must be air inlet and outlet on the container and ventilation equipment; The lighting voltage in the container shall not exceed 12 volts, and someone must be present to supervise the welding, and it is strictly forbidden to weld in the container that has been sprayed with paint or materials.

7.When welding preheated weldments, a baffle should be set to isolate the radiant heat generated by the weldments.

8.When welding or cutting at high altitude, safety belts must be hung, and fire prevention measures should be taken around and under the weldments and supervised by special personnel.

9.When the welded wire passes through the road, it must be raised or buried in the protective pipe, and must pass through the track when passing through the track.

10.The grounding wire and the handle wire shall not be carried on flammable, explosive and with heat sources, and the grounding wire shall not be connected to the pipeline, machine tool equipment and the metal frame or track of the building, and the resistance of the connection to the ground shall not be greater than 4.

11.Outdoor welding is not allowed on rainy days. When working in wet areas, the operator should stand in a place with insulated materials and wear insulated shoes.

12.When using the welding machine that has been out of use for a long time, it is necessary to check that its insulation resistance shall not be lower, and the wiring part shall not be corroded and damp.

13.The welding tongs should be firmly connected to the handle wire, and the welding tongs should not be clamped with the arm. When removing weld slag, the face should avoid the weld that is being cleaned.

14.In the load operation, the welding personnel should always check the temperature of the welding machine, such as when it exceeds 600C for class A and 800C for class B, it must stop running and cool down.

15.Within 10m of the welding site, flammable materials such as oxygen cylinders, acetylene generators, and wood shall not be stacked.

16.After the operation, clean up the site, extinguish the fire, cut off the power supply, lock the switch box, and eliminate the residual heat of the solder before leaving.

17.The use and transportation of various cylinders (oxygen, argon, helium, acetylene and carbon dioxide, etc.) of welding equipment shall comply with the "Gas Cylinder Safety Supervision Regulations".

<>1.The welding machine should be installed in a dry and well-ventilated place, and it is strictly forbidden to store flammable and explosive materials around.

2.The shell of the welding flower must be well grounded, and the assembly and disassembly of its power supply should be carried out by an electrician.

3.The welding machine should be set up with a separate switch box, the switch should be placed in a rainproof gate box, and the glove should be worn and operated sideways when pulling and closing.

4.The welding tongs and the wire must be well insulated, firmly connected, and gloves should be worn when replacing the welding rod.

5.On a wet place bench, the welder should be placed on a wooden board, and the operator should stand on an insulating rubber board or a wooden board.

6.It is strictly forbidden to construct welding on vessels and pipelines with pressure. When welding live equipment, the power supply must be cut off first.

7.Containers or pipes that have stored flammable, explosive, or toxic substances must be cleaned before welding, and all orifices must be opened to maintain air circulation.

8.When welding in a closed metal container, the container must be reliably grounded, the air inlet and outlet must be opened, the ventilation is good, it is strictly forbidden to input oxygen into the container, and someone should supervise it. The lighting voltage in the container shall not exceed 36V

The welder's body should be insulated from the container shell. During the welding process, go out to rest for 10 15min every half an hour to an hour, and there should be a safety person on site to supervise it.

9.When welding preheating the workpiece, there should be heat insulation measures such as asbestos cloth or baffle.

10.The wire and ground wire shall not be in contact with the wire rope, various pipelines, metal components, etc., and the wire rope or mechanical and electrical equipment shall not be used to replace the zero line, and all ground wire joints must be firmly connected.

11.When changing the site or moving the welding machine, it is necessary to cut off the power supply, inspect the site, and remove welding slag.

12.When removing welding slag and using arc planing to clean the roots, protective glasses or masks should be worn to prevent iron slag from splashing and injuring people.

13.When multiple welding machines are welded together, the welding unit is not on the table or the weldment must be grounded, and there should be a light barrier plate.

14.Seat belts must be fastened when welding at high altitudes, and fire-fighting equipment should be prepared around the welding. Do not climb the ladder with the handle in hand.

15.When welding the steel bars and steel plates installed with the formwork, the asbestos board or iron plate should be paddled under the welding part. With a syrup of the town.

16.The thorium tungsten electrode should be placed in a closed lead box, and when grinding the thoriated tungsten electrode, gloves and masks must be worn, and the dust should be removed in time.

17.The housing of the carbon dioxide gas preheater should be insulated, and the terminal voltage should not be greater than 36V

18.In the event of a thunderstorm, open-air welding operations should be stopped.

19.Flammable and explosive materials should be removed around the welding site, or covered and isolated for transportation.

20.When welding must be carried out in the diffusion area of flammable and explosive gas or liquid, it should be tested by the relevant departments before welding.

21.At the end of the work, the power supply of the welding machine should be cut off, and the operation location should be checked to confirm that there is no danger before leaving.

1. Flammable and explosive materials should be removed or covered and isolated around the welding site.

2. When welding must be carried out in the diffusion area of flammable and explosive gas or liquid, it should be inspected and approved by the relevant departments.

3. The acetylene generator must be equipped with a safety device and a safety chain to prevent backfire; The ball pontoon must have an explosion-proof ball; Metal explosion-proof film must be used, and it is strictly forbidden to replace it with rubber film.

4. It is strictly forbidden to stain the oxygen cylinder, air pressure gauge and welding and cutting tools.

5. The parts and pipeline joints of acetylene generators shall not be made of copper.

6. High and medium pressure acetylene generators should be reliably grounded. Pressure and safety valves should be calibrated regularly.

7. Crushed calcium carbide should be mixed with small pieces of calcium carbide, add calcium carbide at night, and it is strictly forbidden to use open flame lighting.

8. The acetylene generator should be changed every day, and it is strictly forbidden to place materials on the floating barrel, and it is not allowed to pressurize and shake the floating barrel by hand.

9. The acetylene generator shall not be placed directly below the wire, and shall not be placed in the same place with the oxygen cylinder, and shall not be less than 10m away from flammable and explosive materials and open flames. To check whether there is air leakage, use soapy water, and it is strictly forbidden to use open flames.

10. Oxygen should be shockproof rubber ring, and the safety helmet should be tightened to avoid collision and violent vibration, and to prevent exposure. After freezing, it should be heated with hot water, and it is not allowed to roast with fire.

11. After the acetylene gas tube is used, the water in the pipe needs to be removed. When the hose and the safety device to prevent backfire are frozen, hot water or steam should be used to reheat and thaw, and it is strictly forbidden to bake with fire.

12. When ignition, the mouth of the welding torch is not allowed to be aimed at people, and the burning welding torch is not allowed to be placed on the workpiece or the ground. When the welding torch contains acetylene and oxygen, it is not allowed to be placed in a metal container to prevent gas escape and combustion accidents.

13. Do not hold the welding torch connected to the hose to climb the ladder or climb the height.

14. It is strictly forbidden to weld or cut on the container or pipeline with pressure, and the power supply should be cut off for live equipment.

15. When welding and cutting on containers or pipelines that have stored flammable, explosive and toxic substances, they should be cleaned first, and all holes and openings should be opened.

16. Calcium carbide should be placed in a well-ventilated, rain-free and dry place, and when moving or carrying the calcium carbide tube, the small lid on the barrel should be opened, and the small lid should be gently moved and put away. When opening the barrel, the head should be dodged and the lid should not be struck with a metal tool.

17. When lead welding, the site should be well ventilated, and the exposed part should be coated with skin care oil. Wash up after work.

18. After the work is completed, the valve of the oxygen cylinder should be closed and the safety cover should be screwed on. When the acetylene floating bucket is raised, the head should avoid the rising direction of the floating bucket, and after pulling it out, it should be placed horizontally, and it is forbidden to buckle it on the ground. Inspect the operation site to confirm that there is no fire hazard before leaving.