In steel production, refractory materials are not only protective barriers for high-temperature equipment but also fundamental to ensuring production stability and product quality. With a wide variety of compositions, each production stage requires different performance characteristics from refractory materials. Scientific selection and application of these materials can enhance production efficiency and reduce costs for enterprises.…
Fused Magnesia and Large Crystal Fused Magnesia are both high-performance magnesia refractory materials with extensive industrial applications. However, they differ significantly in raw materials, preparation processes, chemical and physical properties, and application fields. 1. Raw Material Sources and Preparation Processes Fused Magnesia Sand: Made from magnesite ore containing more than 47% magnesium, directly melted. This…
Refractory Characteristics of Calcined Bauxite Calcined bauxite is one of the refractory raw materials, it is sintered after high-temperature treatment, ( Normally sintered it in rotary kilns, round kilns, or shaft kilns at temperatures around 1600°C – 1800°C）， alumina (Al2O3) content ranging from 70% to 90%. The excellent refractory properties of calcined bauxite make it one…
In the steelmaking process, the tundish plays a pivotal role as a crucial refractory vessel. It not only receives molten steel from the ladle but also distributes it to various crystallizers. Due to its unique location and function, selecting the right tundish refractories and ensuring their performance is vital. 1. Functions of Tundish Refractories The…
The main raw materials for magnesia carbon bricks include fused magnesia or sintered magnesia, flake graphite, organic binders, and antioxidants. Magnesia carbon bricks are a crucial component in various high-temperature applications such as electric arc furnaces, converters, and ladles. One of the key factors contributing to their exceptional performance is the selection of raw materials.…
In the early stages of long process steelmaking, the blast furnace is a shaft furnace that burns coke by blowing hot air and reduces iron ore to hot metal. It is a thermal device for the continuous production of iron in a high temperature and reducing atmosphere. Refractory Materials for Blast Furnaces 1.Anhydrous clay Anhydrous…
Reliable refractory materials play a vital role in extending the life of the iron ladle and improving operational efficiency. Our experienced team specializes in designing and customizing a complete range of iron ladle refractories to meet the specific conditions at your site. The Common Refractory Materials for Iron Ladle: 1. Al2O3-SiC-C bricks: Al₂O₃-SiC-C Brick (aluminum…
In the realm of iron and steel metallurgy, the choice of construction materials for steelmaking furnaces holds paramount importance. Among these materials, magnesium carbon bricks, renowned for their exceptional refractory properties, have emerged as a popular choice. This blog presents an overview of the characteristics, production process, and the extensive applications of magnesium carbon bricks…
Refractory materials are the backbone of efficient steelmaking converters, ensuring their structural and functional stability under extreme conditions. In this article, we will delve into three key refractory materials and the solutions they provide for steelmaking converters. TAPPING HOLE BRICKS Tapping hole bricks for Basic Oxygen Furnace (BOF) are crafted from high-quality fused magnesia and…
In the steelmaking process of the iron and steel industry, ladle refractories play a vital role. They not only provide good furnace lining for high temperature smelting, but also protect the furnace body and improve smelting efficiency. In this article, we will introduce the types, characteristics, functions and application scenarios of ladle refractories in detail.…
