Method for manufacturing steel structure framework of benzene hydrogenation main device in benzene hydrogenation engineering
A technology for steel structure frames and manufacturing methods, applied in metal processing equipment, manufacturing tools, building structures, etc., can solve problems such as complicated, unreasonable, and unscientific manufacturing processes, achieve safe and reliable engineering quality, reduce engineering costs, Simple operation effect
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[0029] The method for manufacturing the steel structure frame of the benzene hydrogenation main device of the benzene hydrogenation project of the present invention is characterized in that it comprises the following steps:
[0030] a. Parts processing, use the 3D model and other computer software to carry out accurate lofting of the size, fully reserve a reasonable margin according to the welding method, welding sequence, welding joint form, and the specification and size of the parts, and the ingredients should follow the main parts first , the rear attachment, discharge materials in order from large to small, make full and reasonable use of materials, set pre-arching on the web of the beam according to the construction drawings and the requirements of the span and self-weight of the beam, and adopt arc arching for the pre-arching, To ensure the acceptance requirements of the final beam camber;
[0031] b. Lofting, scribing, cutting and hole making, check the steel specifica...
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