1. Service Air: [_____] kPa (gage) psig, dew point
up to [_____] degrees C degrees F at [_____] kPa
(gage) psig.
2. Instrument Air: [_____] kPa (gage) psig, dew
point [_____] degrees C degrees F at [_____] kPa
(gage) psig.
3. Instrument Air (for outdoor use): [_____] kPa
(gage) psig, dew point [_____] degrees C degrees F
at [_____] kPa (gage) psig.
**************************************************************************
The FGD system utilizes compressed air supplies for service air and indoor
and outdoor instrument air.
2.6
DESIGN PARAMETERS
2.6.1
Expected Flue Gas Conditions
**************************************************************************
NOTE: Pressures, rates, and duration of sootblowing
will depend on site conditions and acceptable
operating procedures.
**************************************************************************
Flue gas conditions leaving each steam generator are expected to be as
follows: (at [economizer][air heater] outlet, except as noted).
Design
Range
a.
Gas flow, L/s
b.
Gas temperature, degrees C
(before [economizer][air heater])
c.
Specific volume, L/kg
d.
Dust loading, gram/L
e.
Absolute humidity, kg H20/kg dry gas
Normal operation
During sootblowing
f.
S02, kg/s (full load)
Design
Range
a.
Gas flow, acfm
b.
Gas temperature, degrees F
(before [economizer][air heater])
c.
Specific volume, acf/lb
d.
Dust loading, gr/acf
e.
Absolute humidity, lb H20/lb dry gas
Normal operation
During sootblowing
f.
S02, lb/hr (full load)
Conditions during sootblowing are based on the injection of steam [_____]
kPa (gage) psig at a rate of [_____] kg/s lbs/min during the sootblowing
cycle. The cycle is expected to last approximately [_____] minutes.
SECTION 15864N
Page 32
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