Operation Manual / TPS44-F.. - TPS61-F..
Turbine cleaning during operation
Page 61
6 ABB. All rights reserved.
September 2016 HZTL2412_EN Revision F
Should the specified cleaning intervals prove incompatible with engine
operation, please contact ABB Turbo Systems.
Turbine components are cleaned during operation using the wet cleaning
processes described in the following. These have been tested and are
approved by ABB Turbo Systems.
The turbine casing design and the type of turbine casing sealing are deci-
sive for the choice of cleaning method.
Approval by engine manufacturer
The prerequisite for wet cleaning is that the engine manufacturer ap-
proves the method and his instructions are followed.
Wet cleaning methods
Process with short water injection time (3 x 30 seconds cleaning)
The cleaning process with short water injection time is used for turbo-
charger designs without additional sealing by means of C-rings.
The process is based on the principle of thermal shock in combination
with a subsequent flushing phase.
Process with long water injection time (10 minutes cleaning)
The cleaning process with a long water injection time is used for turbo-
charger designs with additional sealing by means of C-rings.
Based on a 10-minute injection phase, this cleaning process utilises the
water solubility of the dirty deposits.
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