Fuji Electric ZKJ Series - Page 21

3 - 8
(1) Gas extractor
15
Drain
Exhaust
2-way
solenoid
valve
Air
ZERO NO SO
2 CO O2CO2
NO
/N
2
SO2
/N2
CO2
/N2
CO
/N
2
O2
/N2
Infrared gas analyzer
main unit CO,CO
2 (O2)
ZKJ unit
or larger
(10)
Zirconia
O
2 senor
ø10/f8
Teflon
tube
(ZFK7)
(2) Mist filter
(3) Safety
drain
trap
(4) Gas aspirator
(PUMP)
Electronic
gas cooler
(5)
(8) Flowmeter
(7) Membrane filter
(7)
Membrane filter
(11)
NO
2/NO
converter
(6)
Solenoid
valve
Pressure
reducing valve
(9) Standard gas
Infrared gas analyzer
main unit NO, SO
2
3.4.5 Pressure at sampling gas outlet
Pressure at the sampling gas outlet should be adjusted to atmospheric pressure.
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monitoring combustion exhaust gas from boiler, refuse incinerator, etc.
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Name 'HVFULSWLRQ Name 'HVFULSWLRQ
(1) Gas
extractor
Gas extractor with a heating type
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¿OWHU
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particles and permit monitoring of
dust adhering condition on the front
panel of the gas analyzer.
(2)
0LVW¿OWHU Removes drain, mist, and dust. (8) Flowmeter $GMXVWVDQGPRQLWRUVWKHÀRZUDWHRI
sampling gas.
 6DIHW\GUDLQ
trap
The safety drain trap divided into
two rooms for positive and negative
pressure. It monitors and adjusts the
sampling gas pressure.
 6WDQGDUG
gas
Reference gas used for calibrating
zero and span of the analyzer. Total
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span gas NO, SO
2
&2&2
2
and O
2
.
(4) Gas
aspirator
3803
For aspiration of sampling gas =LUFRQLD2
2
sensor
([WHUQDO]LUFRQLDR[\JHQVHQVRU
used for measuring the oxygen
concentration in sample gas.
(This is not necessary in case when O
2
sensor is built-in.)
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gas cooler
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(11) NO
2
/NO
converter
Added to NOx analyzer.
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conversion of NO
2
gas to NO is used.
(6)
Solenoid
valve
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