K
Hii Everybody,
We are running a 9E with liquid fuel and Mark VIe controller.
Combustion inspection was carried out in July and the unit has been running smoothly till two months ago.
About two months ago, we started experiencing white thick smoke from the exhaust which starts at a 17% speed and the smoke becomes thicker and thicker till the GT speed gets to about 30% FSNL and stops.
The alarm that comes is FLOW DIVIDER FUEL FLOW HIGH DIFFERENCE which clears after a short while.
During a normal shutdown,a similar thing happens(white thick smoke) with the GT loosing flame between 59% and 47% speed with "CHAMBER FLAMED OUT DURING SHUTDOWN" alarm
The atomizing air system has been checked and it looks OK.
The exhaust temperatures were trended and the values fall between 340 degree F to 480 degree F
Liquid fuel check valves have been replaced but the problem still persist.
Fuel pressure going to the individual cans after firing was checked at the flow divider side and each read 10bars.
I would be very glad if anyone can share his experience with me.
Many thanks.
We are running a 9E with liquid fuel and Mark VIe controller.
Combustion inspection was carried out in July and the unit has been running smoothly till two months ago.
About two months ago, we started experiencing white thick smoke from the exhaust which starts at a 17% speed and the smoke becomes thicker and thicker till the GT speed gets to about 30% FSNL and stops.
The alarm that comes is FLOW DIVIDER FUEL FLOW HIGH DIFFERENCE which clears after a short while.
During a normal shutdown,a similar thing happens(white thick smoke) with the GT loosing flame between 59% and 47% speed with "CHAMBER FLAMED OUT DURING SHUTDOWN" alarm
The atomizing air system has been checked and it looks OK.
The exhaust temperatures were trended and the values fall between 340 degree F to 480 degree F
Liquid fuel check valves have been replaced but the problem still persist.
Fuel pressure going to the individual cans after firing was checked at the flow divider side and each read 10bars.
I would be very glad if anyone can share his experience with me.
Many thanks.