Combustion head pressure drop minimum
.
with gas 2 mbar
.
with heavy fuel oil 4 mbar
.
with light fuel oil 3 mbar
4.4.3
4.4.3
Note!
Note!
If the position of the adjustment ring has to be altered in relation to the diffuser disc, the air
velocity and quantity in the combustion head will change. Check the combustion values by
flue gas analysis and, if necessary, adjust the combustion air quantity to be adequate.
4.4.4
4.4.4
Adjusting the combustion air
Adjusting the combustion air
Combustion air volume is adjusted with the adjusting cam.
1.
Check the surplus oxygen level from the gas flue after every adjustment with a flue
gas analysator.
2.
Set the combustion air levels within the operation range of the servomotor
Guideline values
CAPACITY
FUEL
O
2
-LEVEL %
Ignition, minimum- and part
power
Heavy fuel oil
4,5 - 6
Full power
Heavy fuel oil
3 - 4,5
Ignition, minimum- and part
power
Light fuel oil
3,5 - 4,5
Full power
Light fuel oil
3 - 4
4.5.
4.5.
Setting the combustion head
Setting the combustion head
4.5.1
4.5.1
Setting the nozzles and the ignition electrodes
Setting the nozzles and the ignition electrodes
Check and set the ignition electrode spark gap and the distance of the nozzle to the
ignition electrodes and diffuser disc as show on the drawing . In addition on RP-140 H and
RP-150 H burners the position of the air guide must be checked and placed centered to
the nozzles as shown on the image.
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RPMARINES 30870641GB
4. First start-up and adjusting
Summary of Contents for RP-130 H
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