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MP BOILER PRESENTATION

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R
Ramesh Naidu

small notes on boiler, THIS IS THE SMALL PPT ON BOILER , THE BOILER IS OF 2TYPES 1.FIRE TUBE 2.WATER TUBE FIRE TUBE: FIRE IS SURROUNDED BY WATER AND MAX PRESS IS 17.5KG/CM2, 12TONN/HR WATER TUBE: WATER IS SURROUNDED BY FIRE AND IS USED IN MAINLY IN POWER PLANTS AND HIGH USED STEM PROCESS INDUSTRIES..

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A. SRINIVASA RAO
MP BOILER-L851 (OLD) ? FIRE TUBE BOILER ? DESIGN CAPACITY 12 TONS/HR ? DESIGN PRESSURE 17.5 KG/SQ.CM
MODULATION CKT
TRIP INTIATORS ? STEAMDRUM LEVEL EXTRA LOW ? FUEL OIL PRESSURE LOW ? COMBUTION AIR PRESSURE LOW ? STEAM PRESSURE VERY HIGH ? FEED WATER TANK LEVEL LOW
FUELS FOR FIRING ? LSHS ? FURNACE OIL ? WASTE LIQUID FUEL
CONTROLLER USED STEAM DRUM LEVEL CONTROLLER ? STEAM PRESSURE CONTROLLER ? BOILER FEED WATER CONTROLLER ? DRUM COIL OUTLET TEMP CONTROLLER ? POSITIONING RELAY FOR MODULATION ? SEQUENCIAL CONTROLLER
SELECTOR SWITCHES USED ? CONTROL ON/OFF ? BURNER AUTO/OFF/MAN ? MANUAL FIRING ON/OFF ? GAS ON/OFF ? FIRING CONTROL ON/OFF
PUSH BUUTTONS USED ? MANUAL IGNITION ? STEAM HEATER START ? STEAM HEATER STOP ? FEED PUMP EMERGENCY START ? TEST / ACCEPT / RESET FOR ANNUNCIATION
MP BOILER PRESENTATION
SEQUENCIAL CONTROLLER
UT-350 CONTROLLER TERMINAL DETAILS 1 2 3 4 5 6 7 8 9 10 21 22 23 24 25 26 27 28 29 30 20 19 18 17 16 15 14 13 12 11 TERMINALS C 8,9,10 FOR POWERSUPPLY 12&13 CURRENT INPUT 16&17 CURRENT OUTPUT

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MP BOILER PRESENTATION