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Installation to degrease the SPS magnets chambers Leonel Ferreira

Installation to degrease the SPS magnets chambers Leonel Ferreira. Principle Surface required Services Safety. SPS_U Degreasing, principle. Main steps Initial contamination control (to be defined, possibly just visual inspection)

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Installation to degrease the SPS magnets chambers Leonel Ferreira

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  1. Installation to degrease the SPS magnets chambers Leonel Ferreira

  2. Principle Surface required Services Safety

  3. SPS_U Degreasing, principle • Main steps • Initial contamination control (to be defined, possibly just visual inspection) • Acetone impregnated rag cleaning (if necessary) - ~ 5 minutes per magnet; • Degreasing by circulation (detergent) – 2 hours; • Drain of the circuit after each cycle – 10 minutes per magnet; • Rinsing (clean water) to container (RP control) – 30 minutes; • Drying with blower – up to 2 hours. • Control of cleanliness (to be defined, possibly statistical sampling and FTIR analysis) Electrochemistry & surface finishing

  4. SPS_U Degreasing, principle • Main equipment • Four tanks for detergent and water (volume to be defined: ~ 1.5 m3/each) equipped with heaters and filtering pumps; • Peristaltic pump ( minimum 5 m3/h + option to invert pumping direction) • Blower • Piping (hoses + valves + quick connectors) • Transportable containers (0.8 m3) Electrochemistry & surface finishing

  5. SPS_U Degreasing, principle Identical principle: Cleaning machine for LHC magnets Electrochemistry & surface finishing NB: all can be done without building a machine on purpose, but implies more manual operations

  6. SPS_U Degreasing, surface required • Cleaning installation : 6 m x 3 m • Rag cleaning procedure : 8 m x 1m Lay-outexample Rag cleaning procedure Magnets Cleaninginstallation Electrochemistry & surface finishing

  7. SPS_U Degreasing, services Demineralised water (1 MOhm.cm) – 2 to 4 m3/cleaning cycle Clean, dry compressed air or nitrogen Power supply 220 and 380 V (16 and 32 A) Ventilation Electrochemistry & surface finishing

  8. SPS_U Degreasing, Safety A retention basin for the cleaning installation, the magnets being cleaned plus containers with waste water from the rinsing step must be foreseen; A safety shower must be installed in the working area (a portable one is enough) and a disposable eye washer; The working area must be well delimited and the chemical risks easily identified; Detergent, filters, rags and water for elimination must be controlled by RP . Electrochemistry & surface finishing

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