3-6
All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation
<Toc> <Ind>
TI 11M12A01-01E
3. System Configurations
3.3
Examples of System Component Selection Based on Sample
Gas Conditions
1) Detector and its accessories
F0307.EPS
Lo
w (0.5 g/Nm
3
or less)
Dust le
vel
Pre
s
s
ure
Te
m
p
e
rature
(
°
C)
High (10 g/Nm
3
or less)
V
e
ry
high (200 g/Nm
3
or less)
Remarks
–5 to +250 kP
a (Note 1)
Inser
tion
length
Abr
asiv
e
2.5 m~3 m
N
o
[D1]
[D2]
[D4]
[D3]
Gener
al-pur
pose
detector with
probe protector
(Note 2)
ZR22G
with ZO21R-L
Gener
al-pur
pose
detector with dust
guard protector
or with sic filter
Gener
al-pur
pose detector
with protector filter
Gener
al-pur
pose detector
with probe protector or
with sic filter
(Note 2)
ZR22G
with ZO21R-L
or with K9471U
A
ZR22G
with K9471UC
or with K9471U
A
Gener
al-pur
pose
detector
Gener
al-pur
pose
detector with
probe suppor
ter
ZR22G
with ZO21R-L
or with K9471U
A
Ye
s
Coal,
pulv
er
iz
ed
coal boiler
,
etc.
Gener
al-pur
pose
detector
Less than
2.5 m
ZR22G
0
to
700
(Note 1)
When the pressure in the
fur
nace e
xceeds 3 kP
a, it is
recommended that y
ou
compensate the pressure
.
When the pressure in the
fur
nace e
xceeds 5 kP
a, y
ou
m
ust perf
o
rm
pressure
compensation.
F
o
r 0.15m
probe
, 0.5 to 5 kP
a.
No
pressure fluctuation in the
fur
nace should be allo
w
ed.
(Note 2)
Do
wnw
ard or
iented mounting
pref
erred.
May 31,2004-00
