ARC furnace with DC arc and AC joule heating

An arc furnace that utilizes a combined DC arc system and an AC joule heating system to melt the waste disposed therein and to keep the waste material in a molten condition. The DC arc system utilizes the AC joule heating electrodes as part of the DC current path, thereby eliminating the need for a...

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Bibliographische Detailangaben
1. Verfasser:	TITUS CHARLES H
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DISPOSAL OF SOLID WASTE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUELS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GLASS HEATING INDUCTANCES KILNS LIGHTING LUBRICANTS MAGNETS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MECHANICAL ENGINEERING METALLURGY MINERAL OR SLAG WOOL OPEN SINTERING OR LIKE APPARATUS OVENS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS RECLAMATION OF CONTAMINED SOIL SOIL RETORTS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSFORMERS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An arc furnace that utilizes a combined DC arc system and an AC joule heating system to melt the waste disposed therein and to keep the waste material in a molten condition. The DC arc system utilizes the AC joule heating electrodes as part of the DC current path, thereby eliminating the need for a counter DC electrode. Furthermore, the AC joule heating system provides for peripheral and radial AC current flow to neighboring AC joule heating electrodes, thereby creating a stirring effect in the molten waste. This design greatly simplifies the arc furnace control system while providing a more effective thermal control of the molten waste.