Cargo Handling System - Membrane Type LNG Carrier Operations Training
Year: 2005 Language: english Author: Gaztransport &Technigaz Genre: Training courses Format: PDF Quality: eBook Pages count: 95 Description: Two common membrane tank designs are those developed and associated with the French companies Gaz Transport and Technigaz. The Gaz Transport system uses a 36% nickel–iron alloy called ‘Invar’ for both the primary and secondary barriers. Invar has a very low coefficient of thermal expansion, which makes any corrugations in the tank structure unnecessary. The Invar sheet membrane used is only 0.5–0.7 mm thick, which makes for a very light structure. Insulation consists of plywood boxes filled with perlite. The Technigaz system utilizes a stainless-steel membrane system where tanks are constructed of corrugated sheet in such a way that each sheet is free to contract and expand independently of the adjacent sheet. This forms the inner primary barrier and a balsa insulation and secondary barrier similar to that fitted to the Independent Type A tanks is fitted.
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Cargo Handling System - Membrane Type LNG Carrier Operations Training
Language: english
Author: Gaztransport &Technigaz
Genre: Training courses
Format: PDF
Quality: eBook
Pages count: 95
Description: Two common membrane tank designs are those developed and associated with the French companies Gaz Transport and Technigaz. The Gaz Transport system uses a 36% nickel–iron alloy called ‘Invar’ for both the primary and secondary barriers. Invar has a very low coefficient of thermal expansion, which makes any corrugations in the tank structure unnecessary. The Invar sheet membrane used is only 0.5–0.7 mm thick, which makes for a very light structure. Insulation consists of plywood boxes filled with perlite.
The Technigaz system utilizes a stainless-steel membrane system where tanks are constructed of corrugated sheet in such a way that each sheet is free to contract and expand independently of the adjacent sheet. This forms the inner primary barrier and a balsa insulation and secondary barrier similar to that fitted to the Independent Type A tanks is fitted.
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