METHOD AND SHAFT FURNACE FOR FIRING MATERIAL PIECES

In the method according to the invention for firing material pieces in a shaft furnace, a material bed forms in the shaft furnace, said bed having a material bed surface, and fuel is fed in a combustion zone by way of at least one burner lance, wherein the exhaust gas stream that results is loaded w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BEYER, Christoph, SCHEFER, Dirk
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS REFRACTORIES RETORTS SLAG TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	In the method according to the invention for firing material pieces in a shaft furnace, a material bed forms in the shaft furnace, said bed having a material bed surface, and fuel is fed in a combustion zone by way of at least one burner lance, wherein the exhaust gas stream that results is loaded with pollutants. The shaft furnace is operated such that a material bed surface temperature of 900°C-1100°C is set up and a means for NOx reduction is fed in above the material bed surface.