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Installation of large air separation unit

Installation of large air separation unit
The installation of large-scale air separation unit has strict process. First of all, the technical requirements should be clarified, the construction technology should be done well, and the preliminary work of installation should be completed. Construction preparation generally includes construction technology preparation, unit material preparation and logistics preparation. It is necessary to prepare the construction organization design, determine the construction scheme, formulate and implement the construction technical measures, and arrange and implement the construction plan.
Faq of Installation of large air separation unit
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1. Before connecting the pipe orifice of each container, clean white cloth shall be used to tie the orifice to prevent grease and dirt from entering. 2. When welding in the cold box and in the condensing evaporator, it is strictly forbidden for flame or arc to touch the surface of vessels and pipes. 3. The containers, valves, pipes and corresponding supports in the cold box, the surface of the cold box and the foundation surface shall not be stained with grease after installation, otherwise, degreasing treatment shall be carried out.
Mar 12, 2026
1.The cold box foundation is divided into frame type and non frame type. The levelness of top surface of frame type frame shall not exceed 1 / 1000. All sections of the frame shall be placed vertically. All bottom plates of non frame type cold box shall be kept at the same level, and the levelness shall not exceed 1 / 1000.   2.When installing the cold box plate, the adjacent two sides can beassembled into a whole piece or angle type on the ground. The length error of each diagonal line a...
Dec 23, 2020
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