2.10.1
Knock-Out Pot
Knock out pot, with a minimum collection efficiency of [98] [98.5] [99]
percent, shall be provided.
2.10.2
Mist Eliminator
A mist eliminator, with a minimum collection efficiency of [85] [98] [98.5]
[99] [_____] percent of the impinging mist shall be provided.
2.11
IGNITION SYSTEM/BURNER ASSEMBLY
2.11.1
Pilot
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NOTE: ASCE 25 applies to earthquake actuated
systems.
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Automatic gas shutoff system conforming to ASCE 25 shall be provided on the
pilot supply. The pilot assembly shall be removable and shall be provided
with pressure indicator, pressure regulator, solenoid valve, manual shutoff
valve and pilot gas pressure manometer port. Pilot inlet nozzle shall be
150# ANSI, stainless steel, flanged.
2.11.2
Electronic spark ignition shall be provided. The igniter assembly shall be
removable from outside the combustion chamber without disconnecting conduit
or wiring.
2.11.3
Burner Assembly
The primary air mixed burner shall be compatible with the specified fuel,
shall have multiple small gas ports or jets, and shall be constructed of
304L/316L stainless steel, heat and corrosion resistant alloy steel,
ceramic and/or castable refractory. The burner shall be of adequate
capacity to maintain the required combustion temperature at the maximum
flow with no fuel value in the off-gas.
2.11.4
Refractory Insulation
Removable, cast venturi burner lining assemblies shall be provided with a
[1500] [_____] degrees C [2,700] [_____] degrees F rating. Refractory
insulation shall be continuous, a minimum of 50 mm 2 inches of ceramic
fiber insulation blanket surrounding the combustion cylinder, attached to
the wall and floor with Inconel studs and washers, with plate retainers
installed around all open edges of the blanket. The refractory insulation
shall be coated with a high temperature, surface sealer protectant.
2.12
EXHAUST TREATMENT
2.12.1
Adsorber
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NOTE: Adsorbers are not commonly required.
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Exhaust gas shall be treated by an activated carbon adsorption system in
SECTION 11378
Page 20
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