LHCb RICH1 recuperation system

Present: P. Carrie, G. Rigoletti, D. Galassi, MCA, P. Vanseler, M. Busato, B. Mandelli

https://indico.cern.ch/event/1372640/

Standard and new gas system

• drawings from Mattia B.
• update on mechanical status from Damiano
• 5 module: 2 racks system, 1 rack compresso, 1 tank, 1 lauda

Urgent:

• modification water pipes —> Patrick/Pieter
• electrical line for Lauda (400 V, 32 A) —> Patrick

Missing:

• filter for compressor
• positioneur box for the valves —> Patrick/Gianluca to check for profibus PA
• wrong zimmerli received
• one MFC 4-20mA and one Profibus —> need profibus cable
• equalising tank
• two valves valco for cryogenics
• equalising tank
• to modify drawings: bypass of the tank, lines from exhaust to reinfect at input compressor —> Damiano/Mattia
• mixer GEM to use for test —> to control with flowbus —> Patrick/Gianluca

Steps:

• electrical box —> Patrick  2weeks elec
• week 6 to build the common part
• build new system —> 2-3 weeks of 2 persons —> Mattia and Damiano
• plan of the SGX8 for the new system —> Patrick/Damiano
• installation of special electrical power (32A) for Lauda —> Patrick
• socket for PLC —> Patrick
• install missing pieces
• leak test in the workshop
• installation in place —> 3 weeks mec/weld
• electrical connection —> 2 week elec
• insulation —> company
• software

Modification gas recirculation system

See minutes in indico page