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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

In the direct-fired system, raw coal is fed directly to a pulverizer where it is pulverized, mixed with air, and blown to the burner.  2, record 1, English, - direct%2Dfired%20system

Record number: 1, Textual support number: 2 CONT

Direct-fired System. Sometimes called the Unit System, this method incorporates a pulverizer, or mill, close to the furnace. The pulverized coal is delivered to the burner in suspension with the primary air of combustion. Equipment included: The raw coal feeder, the air-swept pulverizer, the exhauster or primary air fan, a connection to some source of hot air or flue gas, piping, valves, and burner, plus control apparatus.  3, record 1, English, - direct%2Dfired%20system

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 OBS

(...) installation à charbon pulvérisé. Après être passé dans un classificateur, le charbon broyé est transporté, par l'air chaud primaire que fournit le ventilateur, jusqu'aux brûleurs (...) où le charbon pulvérisé est mélangé à tout ou partie de l'air secondaire et porté à l'ignition (...)  2, record 1, French, - installation%20de%20charbon%20pulv%C3%A9ris%C3%A9%20%C3%A0%20chauffe%20directe

Record number: 1, Textual support number: 2 OBS

Chauffe directe. Le charbon pulvérisé est envoyé directement du broyeur aux brûleurs. (...) Il n'existe aucun stockage entre le broyeur et le brûleur (...)  3, record 1, French, - installation%20de%20charbon%20pulv%C3%A9ris%C3%A9%20%C3%A0%20chauffe%20directe

Record 1,  Textual support,  Spanish