ABB SCK - Operating Modes

OI/SCK
-EN Rev. E Operating instruction SCK Gas Sampling System 19
Mode of functioning and operating modes
The following process takes place in order to sample gas during cement pro-
duction:
Phase
Description
1
The operator switches the system to manual mode.
2
The operator inserts the probe into the rotary kiln.
3
The cooling water is heated up to operating temperature.
4
Once the cooling water reaches the threshold temperature, the
controller activates gas flow.
Result: The gas sampling probe sucks the sample gas through
the sample gas line and passes it on to the connected analysis
system.
5
The operator switches to automatic mode.
6
The probe cleaning system cleans the probe after the set inter-
val.
7
The retractor moves the probe in and out after a set interval in
order to prevent it from sticking.
The following modes are possible:
Mode
Description
Automatic mode Allows continuous operation of the system for
sample gas sampling. Probe cleaning steps take
place after set intervals (these can be defined
using the controller).
Manual mode
Allows operation of the system in manual mode,
required for maintenance, for example.
Mode of functioning
Modes