28 System Manual SCK Gas Sampling System 42/23-81 EN Rev. 4
Gas sampling probe H
The gas sampling probe H is used to sample the sample gas from the process.
The following illustration shows the gas sampling probe H:
The main components of the gas sampling probe H are:
No. Component Function
1
Gas tube
Transports the sample gas through
the probe to the gas outlet.
2
Connection for air cannon
Compressed-air blast from air cannon
breaks up material deposits between
the probe and the wall tube.
3
Wall tube Pipe stub on rotary kiln.
4
Compressed air connec-
tion
Allows periodical cleaning of the filter
with compressed air.
5
Compressed-air cylinder Drives the plunger movement.
6
Gas outlet
Passes the sample gas to the down-
line sample gas analysis system.
7
Bellows
Flexible sealing component between
the outer fixed part of the probe and
the moving plunger part.
8
Cooling water connections
Cooling water supply for probe cool-
ing.
9
Mounting flange
For fastening the gas sampling probe
to the retractor.
10
Pipe sealing device
Spring-mounted sealing of the wall
tube.
11
Filter
Initial filtering of the sample gas for
dust removal.
12
Plunger
Removes incrustations on the intake
opening.
13
Sample gas intake open-
ing
Sucks in the sample gas in the rotary
kiln.
Probe H is used when stubborn incrustations can be expected to build up on the
probe due to the properties of the process and sampling conditions.
Meaning
Structure
Function of
components
Differences
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