What safety measures should be paid attention to in hot work such as welding?

What safety precautions should be paid attention to in hot work such as welding:

1, the welding machine shell must be well grounded, and its power supply should be removed by an electrician.

2, electric welding machine to set up a separate switch, switch should be placed in the rain brake box, gloves should be worn when closing the horizontal operation.

3, electrode holder and wire must be well insulated and firmly connected. When replacing covered electrode, wear gloves and work in a damp place. You should stand on an insulating board or a board.

4. Welding on pressure vessels or pipelines is strictly prohibited. When welding live equipment, the power supply must be cut off first.

5. When welding containers or pipes containing inflammable, explosive and articles, they must be cleaned up and all holes and openings should be opened.

6, wire, ground wire is strictly prohibited from contact with wire rope, more may not use wire rope or mechanical and electrical equipment instead of zero line, all ground wire joints, must be connected firmly.

7, welding slag, using arc root, should wear protective glasses or masks, in case of iron slag splash cuts.

8. Flammable and explosive articles should be covered and isolated around the welding site.

9, must be in the flammable and explosive gas or liquid diffusion zone welding, should be approved by the relevant departments of the test, before welding.

In China, welding work requires certificates, and welders are allowed. In the professional qualification of skilled personnel, only 5 positions are allowed out of 8 1 position, and welder is one of them. In fact, most industry practitioners are operating without a license.

With the continuous standardization of technology and the relevant requirements of the industry, more and more people want to take a welder certificate, and the advantages of textual research are still great. First of all, there is a great difference in wages between holders and non-holders, which can often reach twice or higher levels. Therefore, short-term welder training has naturally become a concern of practitioners.