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furnace to be re-purged electric charge to buildup in the igniter fuel pump to restart drum level to stabilize
water in the fuel oil excessive cycling high fuel oil pressure improper burner maintenance
fuel pump failure fan motor failure increased feedwater consumption decreased boiler efficiency
fuel oil supply temperature is normal burner electrode is incorrectly positioned fuel ／air ratio is incorrect ignition current is too low
Clean all electrical connections Lift the relief valves by hand Inspect and clean all solenoid valves Inspect for oil and water leaks
should be stopped manually keeps the combustion as usual would be cut off by an interlock would replace the waste oil burner and keep going on
defective solenoid valve dirty fuel nozzle grounded high tension lead faulty ignition cable connector
cold fuel oil low fuel oil pressure low atomizing steam pressure water in the fuel oil
in the event of a flame failure in the event of a stack fire when the water level reach the crown sheet when the feed pump discharge pressure drops to a preset minimum
rise when the steam pressure is increased remain constant as long as the feed pump operates fall when the steam pressure is decreased vary as the steam demand changes
After stopping supplying sludge oil, the value and pipe should be flushed by flushedby diesel oil and the incinerator continue burning for 10 minutes Close auxiliary burner firstly and then close main burner After stopping fuel, restoring the position of main fuel supply valve Stop blower as soon as stopping supplying fuel oil
increase the fuel oil temperature decrease the fuel oil temperature decrease the fuel oil supply pressure increase the air supply
a burned out solenoid in the oil supply valve high temperature excess air incorrectly setting the hot-well dump valve an incorrectly positioned burner snubber realy
furnace to be re-purged electric charge to buildup in the igniter fuel pump to restart dram level to stabilize
air supply is shut off fuel supply is shut off water supply is shut off safety valve lifts
relight the boiler immediately to prevent loss of steam pressure relight the fire off the brickwork as the bricks are cherry red purge the furnace of any combustible gases before attempting to relight the fire speed up the feed pump to prevent dry firing when the burner flame is reestablished
burner valve root valve quick closing valve oil return valve
steam demand is high salinity is high safety valve simmers burner flame is extinguished
I+II+III+V I+II+III+IV I+IV+V+VI I+II+III+VI
water in the fuel oil broken high tension leads incorrect electrode setting full fuel pressure at the nozzle
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