Plant structure,especially a cryogenic plant structure,comprising components whose dimensional variations due to temperature changes are synchronised

摘要

Apparatuses which, in steady-state operation, are at temperatures very different from ambient temperature, are each supported by a base support device, or are secured by a separating support device, and are linked by a pipe device. In order to reduce the mechanical stresses on the pipe device, at least two components of the structure among the support devices and the pipe device are made of different materials having an expansion coefficient and/or a thermal conductivity coefficient which are different so that when the plant goes from inactivity at ambient temperature to steady-state operation the variations in length of the components made of different materials are concomitant. Such structures are usable in air distillation plants.