tertiary air

tertiary air

[′tər·shē‚er·ē ′er]
(mechanical engineering)
Combustion air added to primary and secondary air.
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References in periodicals archive ?
The range of the masonry works included: the rotary kiln, grate cooler, hot kiln hood, tertiary air duct, hot-blast stove and the other equipment of the two production lines, casting of wear-resistant ceramic materials for the raw mill, cement grinding mill and the pipelines on the top of the slag mill.
The KHD proprietary scope of supply includes the pyro-processing section consisting of a 2 string, 4-stage pre-heater PRZ 7950 with PYROCLON-R(R) calciner and PYROTOP(R) Compact mixing chamber and tertiary air duct; PYRORAPID(R) rotary kiln 5.
These temperature variations were caused by the location and configuration of the tertiary air system and by the operation of the six-on-six interlaced secondary air system.
In addition to demolition, KBR will install the new boiler equipment including: pressure parts, primary, secondary and tertiary air systems, auxiliary equipment as well as associated feedwater, steam and black liquor piping.
The Company's scope of supply and services also includes core components such as an impact hammer mill; SEPMASTER(R) SKS-L-separator and ball mill for crushing, drying and grinding raw materials; a single-string four-stage preheater with PYROCLON(R) Low NOx calciner and PYROTOP(R) compact mixing chamber and PYROBOX(R) calciner firing systems; a rotary kiln with PYROSTREAM(R) burners and tertiary air duct; as well as a PYROFLOOR(R) clinker cooler with hammer-type clinker crusher; and process controller PYROFLOOR-CONTROL(R).
The KHD proprietary scope of supply for this plant includes a five-stage, double-string preheater with a PYROCLON(R) Low NOX calciner complete with PYROTOP(R), tertiary air ducts, a three-stage rotary kiln with a PYROJET(R) burner.
The KHD proprietary scope of supply includes a five stage double string preheater with a common PYROCLON(R) Low NOx calciner complete with PYROTOP(R), a single tertiary air duct and a two station PYRORAPID(R) kiln.