MIL-HDBK-1003/7
Table 6 (Cont.)
Equipment Selection For Boiler Plants
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* Equipment
*
Size or Type
Pertinent Information
*
*
* Soot blowers
*
Required for burning No.6
*
*
or steam operated
fuel oil and coal and
*
*
possibly for No. 2 fuel oil.
*
*
Not required for gas firing.
*
*
* Condensate
*
60 to 180 minute
Steel plate tank with
*
* receiver
storage capacity at
corrosion resistant liner
*
*
ultimate plant
suitable for 250 degrees F.
*
*
capacity.
*
*
For automatic extraction
*
*
plant use 180 minutes. For
*
*
straight condensing plant
*
*
use 60 to 90 minutes.
*
*
*
* Deaerating
15 to 20 minutes
Tray type to be used. Use
* heater and tank
*
storage capacity at
with multiport back
* MIL-H-1766OC,
*
ultimate plant
pressure relief valve.
*
* Heater, Fluid,
capacity
* Deaerating
*
*
*
* Boiler feed pumps Coal fired plants
*
For adequate minimum pump
*
* (centrifugal)
and oil or gas
flow, use automatic flow
* MIL-P-17552
control valve or automatically *
fired boilers:
* horizontally
*
one motor driven
controlled discharge
* split,
*
pump per boiler.
system for each pump.
* multistage, high
*
Pump to be 1.25 x
Discharge water to deaerator
* alloy pumps
*
boiler steaming
storage tank. Consider
*
*
capacity; plus two
variable speed drive if
*
*
steam driven pumps
over 10 HP. Consider dual
*
*
1.25 x half of
motor drive and steam
*
*
ultimate plant
turbine drive with clutch
*
*
capacity.
to permit instantaneous
*
*
changeover from one drive
*
*
to the other.
*
*
*
Two per condenser.
Horizontal split case or
* condensate
*
Size each for 1.25 x
vertical can type pumps.
* pumps
*
condenser maximum flow
*
*
rate.
*
*
*
*
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