This paper describes the main characteristics and advantages of convective heating system for refractory lining, compared with conventional heating systems. In addition the main results obtained are presented with its ...

In this work it is presented a methodology applied by Companhia Siderurgica Nacional (CSN, Brazil) in order to assess its blast furnace 3 carbon refractory hearth lining conditions. The aim of the investigation was the ...

The protection mechanisms of refractory linings both at the slag and pig-iron levels associated with conventional techniques of titanium addition to the blast furnace burden were investigated. The results were derived from ...

This paper describes the main characteristics and advantages of convective heating system for refractory lining, compared with conventional heating systems. In addition the main results obtained are presented with its ...

Back in 2000, CSN along with DME, conducted a diagnostic study on Hot Blast Stoves # 1, 2 and 3 of Blast Furnace # 2, after 19 years of operation and close to the end of its design campaign - originally set to last for 20 ...

The consumption of the carbonaceous mortar for injection in the CSN's blast furnaces hearth has increased in the last years, as a function of the modern situation of the blast furnaces com paign. Allied to the growing ...

The consumption of the carbonaceous mortar for injection in the CSN's blast furnaces hearth has increased in the last years, as a function of the modern situation of the blast furnaces com paign. Allied to the growing ...

A blast furnace is a basic element and fundamental in the iron and steel industry, it is used to transform raw materials in molten iron.