Fig. 23: Carrying Out Wet Cleaning Of Turbines; Table 14: Wet Cleaning Of Turbines, Parameters - ABB HT578726 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
6 Periodic maintenance work / 6.3 Cleaning the turbine during opera-
tion
Fig. 23: Carrying out wet cleaning of turbines
Fulfil prerequisites.
u
Ensure that the water supply (01) is guaranteed.
u
Open the stop valve (02) and set the water volume flow V
u
cleaning parameters).
Close the stop valve (02) after 10 minutes.
u
Wait for 10 minutes; do not change the load during this stabilisation phase.
u
If the cleaning result is unsatisfactory or there is water leakage, contact an ABB Turbochar-
ging Service Station.
Product Temperature be-
fore turbine before
cleaning [°C]
A130 350 ... 430
A135 350 ... 430
A140 350 ... 430
A145 350 ... 430
Table 14: Wet cleaning of turbines, parameters
1)
Corresponds to a water pressure p
© Copyright 2017 ABB. All rights reserved.
Maximum temper- Water volume flow
ature before tur-
bine during clean-
ing [°C]
530
530
530
530
of 1.5 bar (overpressure compared to atmosphere)
WT
HZTL4031_EN
with a flowmeter (03) (see
W
Injection time
3 1)
V [dm /min]
W
4.0
5.5
8.5
12.0
Revision F
[min]
10
10
10
10
August 2017