How to prevent deformation of double-layer oil tank welding

Pressure vessels have always been the focus of enterprise storage. Double-layer oil tanks are typical equipment. How to prevent deformation of double-layer oil tanks when welding? The editor made a brief summary.

1. Choose a reasonable assembly and welding sequence. Generally, the structure is assembled before welding. For those that cannot be assembled, a reasonable welding sequence should be selected. The welding of the bottom of the oil tank should be welded first, and intermittent welding should be adopted. .

2. Choose a reasonable oil tank welding sequence: symmetrical welding, first weld the side with fewer welds;

3. The anti-deformation method is not applicable to large double-layer oil tanks;

4. Choose a reasonable welding method. For long welds at the bottom of an oil tank, the amount of straight-through deformation is large, and the weld must be welded from the middle to both sides, or jump welding can be used; 5. Rigidity fixing method, adding rigid constraints to the weldment before welding;

6. Select appropriate line energy;

7. The heat dissipation method forces the welded parts to cool quickly.

The above is the specific welding deformation prevention techniques for double-layer oil tanks. I hope to help customers and friends understand the use of oil tanks and provide certain support for the improvement of pressure vessel production efficiency.