Installation and construction
Date: 2024-12-31
The initial phase of the installation process involves meticulous construction preparation and foundation acceptance. The cold box base is then leveled, followed by the installation and welding of the foundation. The lower cold box assembly is carefully positioned and secured, followed by the lifting and fixing of the upper cold box assembly. The main heat exchangers are installed and fixed, along with sub-coolers, liquid air heat exchangers, and liquid oxygen heat exchangers. Internal piping connections are meticulously made, and valves are installed and sealed. Instrument installation and cable laying are carried out within the cold box. Overpass connections are established between the cold box, expanders, and pumps. Rigorous pipeline pressure testing is conducted to ensure system integrity, leaving the cold box bare and ready for subsequent operations.
• Construction Preparation -- Foundation Acceptance -- Cold Box Base Leveling -- Cold Box Base Installation and Welding
• Lower Cold Box Assembly -- Lower Tower Moved into Cold Box and Fixed
• Upper Cold Box Assembly -- Upper Tower Lifted in and Fixed
• Main Heat Exchanger Cold Box Assembly
• Main Heat Exchanger Installation and Fixing
• Sub-cooler, Liquid Air and Liquid Oxygen Heat Exchanger Lifted in and Fixed
• Internal Piping Connection in Cold Box
• Cold Box Valve Installation
• Cold Box Sealing
• Instrument Installation and Cable Laying inside Cold Box
• Overpass Cold Box, Expander, and Pump Piping Connection
• Pipeline Pressure Testing
• Bare Cold Box
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27 Floor, Tower A, International Chamber of Commerce Building, Fuhua 1st Road, Futian District, Shenzhen 518048, P.R.China