14-10-2010, 10:08 AM
BOILER_PROTECTIONS.ppt (Size: 181 KB / Downloads: 491)
PURGE PERMISSIVES ( 15 Nos.)
LOTV AND HOTV CLOSE
ALL LONV AND ALL HONV CLOSE
DRUM LEVEL NOT HIGH (<125)AND NOT LOW( <-125)
NO BOILER TRIP CONDITION PRESENT
ALL SCANNERS SHOWS NO FLAME
AIR FLOW LESS THAN 40 %
AUX. AIR DAMPER MODULATED
WIND BOX TO FURNACE DO NOT VERY HIGH
ALL PA FANS OFF
ALL HAG CLOSE
ALL MILL AND ALL FEEDERS OFF