VERFAHREN ZUM NACHBEHANDELN VON HEISSBRIKETTS ODER DGL

Hot briquettes formed at temperatures in the range of 350 DEG -550 DEG C are conveyed through a shaft zone countercurrent to oxygen-containing gases. The oxygen-containing gases are preferably recycled through the process and admixed with air as a source of oxygen. This results in a combustion of ca...

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Bibliographic Details
Main Authors HAHN,HELMUT, KLEISA,KURT, SCHMALFELD,PAUL,DR, LEHMANN,JOACHIM,DR
Format Patent
LanguageGerman
Published 04.04.1974
Edition1
Subjects
ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL
CHEMISTRY
DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
FERROUS OR NON-FERROUS ALLOYS
FIRELIGHTERS
FUELS
FUELS NOT OTHERWISE PROVIDED FOR
LIQUEFIED PETROLEUM GAS
LUBRICANTS
METALLURGY
NATURAL GAS
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K
TECHNICAL GASES CONTAINING CARBON MONOXIDE
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:Hot briquettes formed at temperatures in the range of 350 DEG -550 DEG C are conveyed through a shaft zone countercurrent to oxygen-containing gases. The oxygen-containing gases are preferably recycled through the process and admixed with air as a source of oxygen. This results in a combustion of carbon on the surface of the briquettes and of the gases and tar vapors released by the briquettes when so heated. Briquettes post-treated according to the invention have an optimum crushing strength and abrasion resistance making them easily transportable and useful in blast furnaces.
Bibliography:Application Number: DE19722247101