Cold Vacuum Drying (CVD) Facility General Service Helium System Design Description | Zendy

C.C. FARWICK | Zendy

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Cold Vacuum Drying (CVD) Facility General Service Helium System Design Description

Author(s) -

C.C. FARWICK

Publication year - 1999

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/798684

Subject(s) - purge , helium , nuclear engineering , service (business) , flammability , process (computing) , vacuum pump , waste management , engineering , environmental science , computer science , mechanical engineering , operating system , physics , business , thermodynamics , atomic physics , marketing

This document describes the Cold Vacuum Drying Facility general service helium system (GSHe). The GSHe is a general service facility process support system, but does include safety-class systems, structures and components providing protection to the offsite public. The GSHe also performs safety-significant functions that provide protection to onsite workers. The GSHe essential function is to provide helium to support process functions during all phases of facility operations. GSHe helium is used to purge the cask and the MCO in order to maintain their internal atmospheres below hydrogen flammability concentrations. The GSHe also supplies helium to purge the PWC lines and components and the VPS vacuum pump

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