Quantcast Table 4-3-17E Principal Components in the Design of Incinerators

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TABLE 4-3-17E
Principal Components in the Design of Incinerators
Component
Purpose/Description
Scales
Required to maintain accurate records of the amount of
wastes processed.
Storage pits
Design of pits depends on furnace capacity, storage
requirements (approximately 1-day capacity), collection
schedules, and truck-discharge methods.
Cranes
Used to transfer wastes from storage pit to charging
hoppers to mix and redistribute wastes in storage pit.
Charging hoppers
Constructed of metal or concrete, used to introduce
wastes to furnace grates.
Furnace grates
Used to move wastes through furnace.  Traveling,
reciprocating, rocker arm, and barrel grates have been
used successfully.  Burning rate of 60 to 65 lb/ft2/h
has been adopted as a "generally allowable" standard
for mass firing.
Depends on capacity of unit and fuel characteristics.
Heat-recovery system
Types of systems vary.  Typically, two boiler sections
are used:  convection and economizer.
Auxiliary heat
Need depends on moisture content of wastes as
delivered.
Air pollution control Used to control particulate and gaseous emissions.
facilities
Auxiliary facilities
Normally includes residue handling facilities, air
and equipment
supply and exhaust fans, incinerator stacks, control
building, etc.
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