ISSN 2594-5297
59º Seminário de Laminação, Conformação de Metais e Produtos — vol. 59, num.59 (2024)
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Abstract
THE SCALE FORMATION IN A REHEATING FURNACE DEPENDS ON THE O2 CONTENT AT HIGH TEMPERATURE AND THE CHARGING PERMANENCE TIME INSIDE THE FURNACE CHAMBER. AS THE TEMPERATURE AND THE PERMANENCE TIME OF THE STEEL INSIDE THE FURNACE ARE PARAMETERS THAT CANNOT BE CHANGED BECAUSE COMING FROM THE PROCESS, THE ONLY WAY TO REDUCE THE SCALE FORMATION IS DECREASING THE O2 CONTENT IN HIGH TEMPERATURE ZONES. FOR THIS REASON, DANIELI CENTRO COMBUSTION STUDIED AND ALREADY SUPPLIED THREE H2 READY SCALE FREE FURNACES, THAT HAVE THE FEATURES TO BE CAPABLE OF OPERATING IN REDUCING ATMOSPHERE, IN A COMPLETELY SAFETY CONDITION. THE SEALING OF THE FURNACE AVOID THE EXIT OF DANGEROUS INCOMBUSTION GASES BUT ALSO THE ENTRANCE OF FALSE AIR, RESPONSIBLE FOR AN INCREASE OF THE SPECIFIC CONSUMPTION. THE SCALE FREE FURNACE TECHNOLOGY, COMPARE TO A TRADITIONAL WALKING BEAM FURNACE, HALVE THE SCALE FORMATION AND REDUCE OF APPROX. 5% THE FUEL CONSUMPTION AND CO2 EMISSIONS
THE SCALE FORMATION IN A REHEATING FURNACE DEPENDS ON THE O2 CONTENT AT HIGH TEMPERATURE AND THE CHARGING PERMANENCE TIME INSIDE THE FURNACE CHAMBER. AS THE TEMPERATURE AND THE PERMANENCE TIME OF THE STEEL INSIDE THE FURNACE ARE PARAMETERS THAT CANNOT BE CHANGED BECAUSE COMING FROM THE PROCESS, THE ONLY WAY TO REDUCE THE SCALE FORMATION IS DECREASING THE O2 CONTENT IN HIGH TEMPERATURE ZONES. FOR THIS REASON, DANIELI CENTRO COMBUSTION STUDIED AND ALREADY SUPPLIED THREE H2 READY SCALE FREE FURNACES, THAT HAVE THE FEATURES TO BE CAPABLE OF OPERATING IN REDUCING ATMOSPHERE, IN A COMPLETELY SAFETY CONDITION. THE SEALING OF THE FURNACE AVOID THE EXIT OF DANGEROUS INCOMBUSTION GASES BUT ALSO THE ENTRANCE OF FALSE AIR, RESPONSIBLE FOR AN INCREASE OF THE SPECIFIC CONSUMPTION. THE SCALE FREE FURNACE TECHNOLOGY, COMPARE TO A TRADITIONAL WALKING BEAM FURNACE, HALVE THE SCALE FORMATION AND REDUCE OF APPROX. 5% THE FUEL CONSUMPTION AND CO2 EMISSIONS
Keywords
scale free; reheating furnace; rolling mill; billets
walking beam furnace; scale-free; efficiency; reliability.
How to refer
ELISA, SALAMONE;
ANDREA, BILIOTTI.
SCALE-FREE FURNACE
,
p. 306-315.
In: 59º Seminário de Laminação, Conformação de Metais e Produtos,
São Paulo, Brasil,
2024.
ISSN: 2594-5297
, DOI 10.5151/2594-5297-40989
