Method for welding bottom plate of large flat-bottom storage tank
A storage tank bottom plate and welding method technology, which is applied to welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of large deformation of the bottom plate, short service life, and affecting the appearance of the storage tank, so as to increase the strength and rigidity, prolong the The effect of service life and reduction of welding deformation
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[0030] Example:
[0031] like figure 1 As shown, the welding method for the bottom plate of a large-scale flat-bottomed storage tank of the present invention includes the following steps:
[0032] 1) Prefabricated 14 pieces of medium plate 1. The medium plate 1 is cut from 14 standard rectangular steel plates with a length of 6000mm, a width of 1500mm and a thickness of 6mm, and the 14 steel plates are overlapped with each other to form a circle with a diameter of 10500mm. The bottom plate of the storage tank is a flat-bottomed tank, wherein the bottom joints 11 between the adjacent middle plates 1 are dislocated, and then the adjacent middle plates 1 are spot welded and fixed. In order to reduce the welding deformation of the middle plates 1, in the adjacent middle plates 1 A number of 20Kg iron blocks are placed across the web 1;
[0033]2) Prefabricate 12 fan-shaped edge steel plates 21 of the same size with a thickness of 10 mm, and then lay the fan-shaped edge steel pla...
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