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Operation Manual / TPL85-B14/-B15/-B16
5 Maintenance / 5.5 Cleaning turbine blades and nozzle ring in opera-
tion
Operating the dry clean-
ing device
© Copyright 2018 . All rights reserved.
CAUTION
The air system must be protected against overpressure (> 6 bar).
Before cleaning, the prerequisite operating state for the non-integ-
w
rated dry cleaning device must be met.
Plug cock or slide valve (05) in closed position and safety valve with
w
ventilation (07) open.
Close safety valve with ventilation (07).
u
Tighten cover cap (01).
u
Open pressure stop valve (08) and plug cock / slide valve (05), and de-
u
posits and any condensation will be blown away.
Close pressure stop valve (08) again after about 3 minutes.
u
Close plug cock / slide valve (05).
u
Open safety valve with ventilation (07) to blow out the exhaust gases.
u
Carefully open cover cap (01) of granulate container.
u
Pour specified amount of granulate into granulate container.
u
Firmly close the cover cap (01).
u
Close safety valve with ventilation (07).
u
Open compressed air shut-off valve (08).
u
Open the plug cock or slide valve (05) for 3 ... 4 minutes.
u
Close plug cock or slide valve (05).
u
Close compressed air shut-off valve (08).
u
Open safety valve with ventilation (07).
u
Check whether the exhaust gas temperature after the turbine has de-
u
creased.
NOTICE
In order to optimise cleaning, it is important that the specified amount
of granulate get blown in for each cleaning operation.
The drain openings in the gas outlet casing must remain closed when
cleaning the turbine. As a result of careless handling, incompletely
burned soot particles can escape.
HZTL2491_EN
Revision C
August 2018
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