STARTING PROCEDURES OF AUX.. BOILER



1.   CHECK LOAD ON GENERATOR, IF ONLY ONE GENERATOR IS RUNNING, START THE ANOTHER ONE AND TAKE ON LOAD.
2.   CHECK WATER LEVEL IN GAUGE GLASSES, SHOULD BE NORMAL WHEN BOILER IS ON ECONOMISER.
3.   START F.D.FAN ON LOW SPEED. PUSH ALL THE THREE REGISTERS IN CHANGE OVER AIR CONTROL TO MANUAL AND OPEN UP TO 80% FOR PURGING THE FURNACE. AFTER 3-4 MIN. REDUCE AIR TO 15% AND TAKE OUT ALL THE AIR REGISTERS.
4.   OPEN THE MAIN V/V OF ATOMISING STEAM DRAIN  WTAER AND SLOWLY SET THE Pr. TO 5 Kg/cm2.OPEN THE GLOVE V/V TO THE BASE BURNER.
5.   CHANGE OVER FUEL CONTROLLER TO MANUAL AND SET TO 15%, CHECK THE RECIRCULATION V/V IS OPEN. START L.O.BURNING P/P, RESET THE TRIP MANUALLY AND SLOWLY CLOSE THE RECIRC. V/V.
6.   SWITCH ON THE IGNITER. WHEN IT BECOMES RED HOT, INSERT THROUGH THE HOLE ON THE BASE BURNER TILL IT PRESS THE LIMIT SWITCH.
7.   OPEN THE FUEL V/V FOR BASE BURNER.
8.   OPEN ATOMISING STEAM AND FULL COCK ON THE BASE BURNER AS SOON AS FLAME TAKES PLACE. PUSH THE AIR REGISTER IN.
9.   TAKE OUT THE IGNITER AND SWITCH IT ON.( IF THERE IS MISFIRE, PREPURGE THE FURNACE BEFORE THE NEXT TRY TO FIRE)
10.         NOW ADJUST AIR KEEPING AN EYE ON SMOKE INDICATOR.
11.         SLOWLY START INCREASING L.O.Pr. MANUALLY AND ACCORDINGLY ADJUST AIR TO RAISE THE STEAM Pr.
12.         START HEATING FUEL, BRING TEMP. TO 85 DEG. AND CHANGEOVER FROM D.O. TO H.F.O.
13.         WHEN STEAM Pr. REACHES TO 9 Kg/cm2 START MAIN FEED P/P.
14.         WHEN STEAM Pr. BECOMES 10 Kg/cm2 NOW ON THE AUTO, CONTROL GAUGE OF FUEL.BRING RED POINTER OPPOSITE TO THE BLACK NEEDLE AND CHANGEOVER F.O. CONTROL FROM MANUAL TO AUTO(NOW STEAM Pr. CAN BE INCREASED BY SLOWLY INCREASING THE SLITTING OF RED POINTER ONLY).
15.         SIMILARLY ON THE AUTO GAUGE OF AIR COINSIDE RED POINTER AND BLACK NEEDLE AND CHANGEOVER TO AUTO.
16.         AS FEED WATER CONTROL ALWAYS ON AUTO. SO NOW BOILER IS RUNNING ON AUTO.
STARTING PROCEDURES OF AUX.. BOILER STARTING PROCEDURES OF AUX.. BOILER Reviewed by Unknown on July 02, 2014 Rating: 5
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