METHOD FOR THE RECOVERY OF ALUMINIUM FROM ALUMINIUM SCRAP, AND MULTICHAMBER MELTING FURNACE

Aluminum scrap having organic adhesions is processed to recover aluminum. A hearth of scrap chamber of a multi-chamber melting furnace is batchwise loaded with aluminum scrap where it is heated in low oxygen to convert the organic adhesions on the aluminum scrap into a pyrolysis gas. In a second pre...

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Hauptverfasser:	SCHRÖDER, Dominikus, GÜLTEKIN, Rukiye
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS REGULATING OR CONTROLLING COMBUSTION RETORTS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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creator	SCHRÖDER, Dominikus GÜLTEKIN, Rukiye
description	Aluminum scrap having organic adhesions is processed to recover aluminum. A hearth of scrap chamber of a multi-chamber melting furnace is batchwise loaded with aluminum scrap where it is heated in low oxygen to convert the organic adhesions on the aluminum scrap into a pyrolysis gas. In a second pretreatment phase, the scrap chamber is heated to the auto-ignition temperature of the pyrolysis gas, wherein at least one air flow is provided in the scrap chamber to produce an ignitable substoichiometric pyrolysis gas/combustion air mixture which is reacted in the scrap chamber in a combustion process. The atmosphere from the scrap chamber is transferred to a post-combustion. A corresponding multi-chamber melting furnace is also provided.
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A hearth of scrap chamber of a multi-chamber melting furnace is batchwise loaded with aluminum scrap where it is heated in low oxygen to convert the organic adhesions on the aluminum scrap into a pyrolysis gas. In a second pretreatment phase, the scrap chamber is heated to the auto-ignition temperature of the pyrolysis gas, wherein at least one air flow is provided in the scrap chamber to produce an ignitable substoichiometric pyrolysis gas/combustion air mixture which is reacted in the scrap chamber in a combustion process. The atmosphere from the scrap chamber is transferred to a post-combustion. 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A hearth of scrap chamber of a multi-chamber melting furnace is batchwise loaded with aluminum scrap where it is heated in low oxygen to convert the organic adhesions on the aluminum scrap into a pyrolysis gas. In a second pretreatment phase, the scrap chamber is heated to the auto-ignition temperature of the pyrolysis gas, wherein at least one air flow is provided in the scrap chamber to produce an ignitable substoichiometric pyrolysis gas/combustion air mixture which is reacted in the scrap chamber in a combustion process. The atmosphere from the scrap chamber is transferred to a post-combustion. 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A hearth of scrap chamber of a multi-chamber melting furnace is batchwise loaded with aluminum scrap where it is heated in low oxygen to convert the organic adhesions on the aluminum scrap into a pyrolysis gas. In a second pretreatment phase, the scrap chamber is heated to the auto-ignition temperature of the pyrolysis gas, wherein at least one air flow is provided in the scrap chamber to produce an ignitable substoichiometric pyrolysis gas/combustion air mixture which is reacted in the scrap chamber in a combustion process. The atmosphere from the scrap chamber is transferred to a post-combustion. A corresponding multi-chamber melting furnace is also provided.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BLASTING CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS REGULATING OR CONTROLLING COMBUSTION RETORTS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
title	METHOD FOR THE RECOVERY OF ALUMINIUM FROM ALUMINIUM SCRAP, AND MULTICHAMBER MELTING FURNACE
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