Selection of refractories for various refining furnace ladle walls

Steel production due to a variety of furnace working environment and service performance is not the same, so the refractory requirements are different. Refractories for AOD furnaces Since 1968, the American Joslin company invented the AOD steel refining method, since its application has been, has been rapidly popularized. So far, AOD steel refining method has …

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Influence of ladle refractories on the quality and temperature drop of molten steel

Steel ladle refractory materials for liquid steel quality and temperature drop of the impact is multifaceted, based on this reality, in the use of steel ladle link, should be scientifically adjusted refractory material categories and ratios to ensure that its role is reasonable and effective to play for the subsequent production operations to create a …

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Two recycling methods for waste magnesia carbon bricks

Waste magnesium carbon brick refractory materials regeneration brick-making technology Iron and steel production needs to consume a large number of magnesium-carbon bricks, for the regeneration of magnesium-carbon refractory materials after use provides an outlet, so the regeneration of magnesium-carbon refractory materials after use of the brick technology has become the focus of the development of …

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How to define refractory bricks with missing corners and edges, cracks and melt holes?

Refractory materials belong to is a large piece of industrial goods, transportation, often using logistics, freight or rail transportation, and in the process of loading and unloading is not like treating glass, porcelain, etc. so careful, and generally will not have a special thickening of the soft packaging for protection, which inevitably leads to damage …

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What factors affect the strength of refractory castables?

Refractory castables, as an indispensable refractory material, have strength characteristics that are directly related to their quality and performance. In many industrial fields, such as metallurgy, cement production, glass manufacturing and chemical industry, castables play a pivotal role. Therefore, the research and development of high-performance castables is particularly important. It is especially worth mentioning that …

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Research on recycling and resource utilization technology of refractory brick materials

With the continuous acceleration of the industrialization process and the rapid growth of the economy, refractory materials, as key industrial raw materials, play a vital role in the field of high-temperature industry. In the process of widespread use and large-scale production of refractory materials, the environmental problems caused by waste refractory materials have become increasingly …

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7 kinds of corundum refractory raw materials commonly used in refractory castables

Refractory aggregates and refractory powders in refractory castables are collectively referred to as main raw materials, and the rest are called secondary raw materials. Refractory aggregates are the +0.088mm or +0.1mm part of refractory castables. They are the main material in the organizational structure of refractory castables and play a skeleton role. Therefore, refractory aggregates …

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Construction steps of refractory castables

We have shared the construction methods of refractory castables in many articles in the past, including blast furnaces, circulating fluidized bed boilers, etc. Today, taking the second-stage converter in the petrochemical industry as an example, we will briefly share the construction of refractory castables for converters. The construction of refractory castables for the second-stage converter …

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Several main factors affecting the performance of aluminum-magnesium refractory castables for ladle

Aluminum-magnesium refractory castable is a cutting-edge lining product that is currently widely used in ladles. Refractory material workers at home and abroad have done a lot of work on aluminum-magnesium castables, mainly introducing the factors affecting the performance of aluminum-magnesium castables from several aspects such as aggregate, magnesia, corundum fine powder and powder, and silica …

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Types of refractory materials used in various parts of reheating furnaces

Heating furnace is a thermal equipment used to heat steel billets or small ingots during steel rolling or forging, and its operating temperature is generally 1300~1400℃. With the large-scale and high-efficiency of rolling mills, higher requirements are put forward for heating furnaces. Its development trend is large-scale, low-consumption, pollution-free and automated operation, and the furnace …

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Selection of Metal Silicon Powder for Magnesia Carbon Bricks

In the field of refractory materials, magnesia carbon bricks are widely used in high-temperature industrial environments such as steel smelting and glass manufacturing due to their excellent high temperature resistance, slag erosion resistance and thermal shock resistance. As one of the important additives of magnesia carbon bricks, the selection and application of metal silicon powder …

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