ABB ProKiln GAC400 Operating Instruction page 21

ProKiln GAC400 PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
Probe
The probe is used to continuously sample the gas from the process.
Figure 7: Probe
Pos. Component
1
Sample tube
2
Sample tube heater
3
Inspection and maintenance entrance
4
Centre tube air blaster connection
5
3 x periphery tubes air blaster connections
6
Water cooling forward
7
Water cooling return
8
Water temperature sensor forward
9
Water temperature sensor return
0
2 x blow-back tubes filter
k
Probe closing flange
l
Sample filter
m
Probe tip nozzle
n
Sample gas intake opening
o
Filter periphery nozzle
Function
Transports the sample gas through the probe to the gas outlet.
Heats the sample tube in order to make it temperature independent from probe cooling
temperature
Provides easy access and inspection through the entire length of the probe without any dismantling
Connects the centre tube nozzle to one air blaster for powerful cleaning of probe tip
Connects the periphery filter cleaning nozzle to one air blaster for powerful cleaning of filter sample
area
Connects the probe to the cooling panel
Connects the probe to the cooling panel
Measures the water temperature as it enters the probe
Measures the water temperature as it exits the probe
Connects the internal of filter to blow-back cleaning of filter surface
Flexible closing flange for probe entering the process
Filter to separate process gas from dust
Removes incrustations on the intake opening.
Aspirates the process gas from the rotary kiln.
Removes incrustations and dust form the filter surface area.
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