26 System Manual SCK Gas Sampling System 42/23-81 EN Rev. 4
Probe retractor
The probe retractor moves the up to 3.5 m long gas sampling probe. The drive is a
pneumatic chain drive.
The following illustration shows the probe retractor:
The main components of the probe retractor are:
No. Component Function
1
Pneumatic box
Central monitoring device to control
compressed-air supply
2
EMERGENCY-STOP switch
Interrupts movement of the gas
sampling probe.
3
Pneumatic motor
Ensures movement of the probe
retractor.
4
Terminal box Electric current connection.
5
Heated connection box ("ca-
ble drag chain")
Connection between the sample
gas line of the gas sampling sys-
tem and the downline sample gas
line of the gas analysis system.
6
Shutter
(with automatic [pneumatic] or
manual actuation)
Closes the kiln duct opening when
the probe is retracted.
not
illustrated
Transport supports
For safe transport / storage of the
retractor (removed in operation).
7
Gas sampling probe For sampling sample gas.
8
Heated sample gas line
Transports the sample gas from the
probe to the downline sample gas
analysis system. Heating function
prevents condensation from build-
ing up.
9
Warning lamps
Warn about insertion and retraction
movements of the gas sampling
probe.
Meaning
Structure
Function of
components
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