NOx reduction technique predominantly used for fuel oil firing. The fuel is injected into a fuel-rich primary zone. This stoichiometry helps to control the fuel Nox mechanism. When firing gas, staged air produces higher NOx emissions than staged fuel.
Related Terms |
ADJUSTABLE DIFFERENTIAL
A means of changing the difference between the control cut-in and cut-out points.
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ALKALINE BOIL-OUT
Employed to remove oil and grease deposits from heating surfaces.
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BULK CARGO
Cargo such as oil, coal, ore, woodchips, etc. not shipped in bags or containers
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AIR COOLER
A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.
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ACTION
Refers to the action of a controller. It defines what is done to regulate the final control element to effect control.
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SHED MODE
A method of demand control that reduces kW demand through shedding and restoring loads.
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OILING SPLASH SYSTEM
Method of lubricating moving parts by agitating or splashing oil in the crankcase.
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AIR INFILTRATION
The leakage of air into a room through cracks in doors, windows, and other openings.
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CLEAN ROOM
A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.
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EMULSIFIER
Additive that promotes the formation of a stable mixture, or emulsion, of oil and water. Common emulsifiers are: metallic soaps, certain animal and vegetable oils, and various polar compounds.
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