PROCESS OF THERMALLY TREATING BULK MATERIALS IN A ROTARY KILN

In the treatment of bulk materials with hot gases below the melting point of the charge component it is desired to prevent a formation of undesired crusts during normal operation and when the rotary kiln is operated at a reduced speed during short-time trouble. For this purpose, a controlled dissipa...

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Bibliographische Detailangaben
Hauptverfasser:	SCHLEBUSCH DETLEV, REUTER GERHARD, SERBENT HARRY, SCHNABEL WOLFRAM
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	In the treatment of bulk materials with hot gases below the melting point of the charge component it is desired to prevent a formation of undesired crusts during normal operation and when the rotary kiln is operated at a reduced speed during short-time trouble. For this purpose, a controlled dissipation of heat is effected in several sections of the rotary kiln in that the shell of the kiln and the refractory lining are cooled so that the temperature of that portion of the inside surface of the rotary kiln which is submerged below the charge is always maintained at or up to 50 DEG C. below the temperature of the charge disposed thereover.