Alignment of tower-type equipment
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Differences between vertical and horizontal pairing
This post was last edited by gn_1984 on 2019-4-8 at 10:55. Horizontal assembly: The components are assembled into a single unit, allowing for a horizontal hydrostatic test to be conducted; various inspections are required, and the entire unit must pass the hydrostatic test before it can be lifted. The tower is not tall enough for the crane to have the capacity for overall lifting. Vertical alignment: Segmental lifting and alignment in the air; it involves a high degree of complexity, significant risks, and difficulties in inspection. The vertical position is used during hydrostatic testing. Various inspections are difficult and involve working at heights. This method is used when high towers and cranes with relatively large tonnage have limited capacity.
For large tower-type containers, I have not seen any vertical assembly methods used yet. Needless to say, lifting poses difficulties; moreover, the welding position has changed from vertical welding to horizontal welding, which undoubtedly increases the difficulty of welding.
Look at the lifting capacity and transportation capacity; it’s best if horizontal assembly is possible
I haven’t understood the poster’s true intention. For large-diameter container shells, vertical assembly is more efficient and less difficult than horizontal assembly, and it’s easier to ensure the quality of the assembly. However, when welding, it’s preferable to use the horizontal welding method whenever possible; vertical welding can only be done in an upright or horizontal position, which makes it more difficult and less efficient, and it’s harder to guarantee the quality.