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86 512-81666096126，production process of storage tank (4) - doer equipment
classification：industry publishtime：2020-02-25 14:06:34
production process of storage tank (4)
about the assembly process of tank shell and head:
1) the right head is assembled with the cylinder, the outer side is fixed by manual arc welding, the inner side is welded by manual arc welding, the outer side is gouged by carbon arc air gouging, and the metal luster is polished by grinding wheel, and the outer side is welded by submerged arc welding.
2) the welds of right head and cylinder are qualified by 100% x-ray flaw detection.
3) the internal connecting pipe and transition joint of the cylinder are assembled and fixed by argon arc welding and welded by argon arc welding.
4) clean the inside and degrease the part.
5) the left head is assembled with the cylinder, the root is fixed by argon arc welding, the root is sealed by argon arc welding, then one layer is welded by argon arc welding, and one layer is welded by submerged arc welding with low current, and the surface is welded by submerged arc welding with normal current.
6) the welding seams of left head and cylinder are qualified by 100% radiographic inspection.
7) the inner pipe and the cylinder are assembled and welded by argon arc welding.
8) assembly welding adsorption device, argon arc welding.
9) the longitudinal tie plate and tie bar are assembled and welded. when welding the base plate, there is a 20 mm non welding area on the left side.
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