High-temperature industrial sectors—such as those producing steel, ceramics, cement, and glass—consume vast quantities of refractory materials, resulting in a substantial volume of refractory waste. Furthermore, the manufacturing process for refractory products itself generates significant amounts of scrap and waste material. While a tiny fraction of this massive volume of refractory waste can be returned to […]

Ladle aeration bricks, as the name suggests, are bricks used to inject gas into the bottom of a ladle. The argon gas bubbles caused by this injection carry impurities in the molten steel to the surface, thereby purifying the molten steel. Ladle operations involve a repetitive cycle—from an empty ladle, through heating, tapping, filling, argon

Eccentric Bottom Tapping (EBT) Electric Arc Furnace The EBT (Eccentric Bottom Tapping) electric arc furnace smelting process employs a “hot heel” practice (retaining a portion of the molten steel and slag). This establishes a molten bath right at the start of melting; combined with intensive oxygen blowing and bottom stirring, it creates favorable conditions for

The most common type of brick we use for building houses is ordinary red brick, while refractory bricks are mainly used in the construction of high-temperature furnaces, aluminum smelting furnaces, and other high-temperature environments. Although both are bricks, they are fundamentally different. 1.Differences in shape and color 2.Different occasions of use 3.Different material compositions There

Magnesia-carbon bricks are non-burning composite refractory materials made from high-melting-point basic oxide magnesium oxide (melting point 2800℃) and high-melting-point carbon materials that are difficult to wet by slag, with the addition of various non-oxide additives. They are bonded together using carbonaceous binders. Magnesia-carbon bricks are mainly used as linings in converters, AC electric arc furnaces,

In recent years, the rapid development of ladle refining and continuous casting technologies has transformed the ladle into both a vessel for holding molten steel and a refining unit. This has significantly extended the residence time of molten steel within the ladle and led to higher tapping temperatures and more rigorous smelting conditions, resulting in

1.Converter slide-gate slag-blocking process A key technology for producing clean steel is slag-free tapping, specifically the use of a slide-gate slag-blocking system at the converter taphole. Because the slide gate operates rapidly, it effectively blocks both initial and final slag during the tapping process. Furthermore, by integrating infrared slag detection with PLC control technology, the