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.…
It is of importance to select and use the proper electric arc furnace refractory materials within the steelmaking industry. The primary purpose of these refractories is to safeguard the furnace lining, enhance heating efficiency, ensure steel quality, and prolong the furnace’s service life. Given the necessity to withstand a range of formidable challenges, such as…
In the steel industry, the tundish is a critical component of continuous casting, and the refractory material used in the tundish plays a vital role in ensuring its normal operation. In this blog post, we will explore the different types of tundish refractory materials used in tundishes, their characteristics and applications, providing a better understanding…
