Nov 2, 2023
Slag-Resistant and Corrosion-Resistant High-Alumina Special-Shaped Refractory Bricks
High-alumina special-shaped refractory bricks that are resistant to slag and corrosion. The slag resistance of high-alumina special-shaped bricks increases with the increase of Al2O3 content. Reducing the impurity content is beneficial to improving corrosion resistance. The difference between high alumina refractory bricks and clay bricks is that high alumina refractory bricks have good performance. Therefore, high alumina bricks have a longer service life than clay bricks.
Slag-Resistant and Corrosion-Resistant High-Alumina Special-Shaped Refractory Bricks
Classified from the appearance, high alumina refractory bricks are mainly divided into standard bricks, ordinary bricks, wedge-shaped bricks, special-shaped and special-shaped bricks. Depending on the part used, we will choose different shapes. Sometimes if the location of the kiln is special, we can also customize special-shaped high-alumina bricks for use.
High alumina runner brick is a kind of special-shaped high alumina refractory brick. It is a hollow refractory brick built in the groove of the bottom plate for ingots and connected with the steel bricks and the steel ingot mold. It is commonly known as the soup road brick. Steel Runner Bricks has various specifications of rectangular hollow high alumina bricks. In order to reduce the resistance during the flow of molten steel and prevent steel leakage, the inner hole of the flowing steel brick is required to be smooth, the shape is regular, and the joints are tight. Steel runner bricks are widely used in flat steel castings of various steel types (including stainless steel and various alloy steels). High alumina runner brick products have high refractoriness, good cracking resistance, and strong corrosion resistance. The appearance is regular, the channel is smooth, the size is accurate, and the variety is complete. Produces ladle lining bricks, curved lining bricks, fired and unfired plug bricks, sprue bricks, seat bricks, and sleeve bricks for cast steel in ladles. High-quality raw materials and unique technology enable the product to have good high-temperature physical and chemical properties, and resistance to erosion, deformation, and shedding.
Steel runner bricks are used for slab steel pouring of various alloy structural steels (including stainless steel and various carbon steels). The product has high fire resistance, strong chipping resistance, and strong adhesion resistance. The appearance is neat, the channels are smooth, the specifications are precise, and the quality is high. Clay bricks for ingot casting refer to the clay bricks commonly used in the process of introducing molten steel into the ingot mold from Shenggang. Including ladle lining bricks and steel casting bricks. Among them are sleeve bricks, plug head bricks, water position bricks, seat bricks, molded pipe bricks, central cast pipe bricks, central bricks, steel runner bricks, flow steel tail bricks, and steel ingot mold bottom bricks.
Steel runner bricks are usually rectangular hollow clay bricks with various specifications. In order to reduce the friction resistance during the flow process of liquid steel and prevent steel leakage, it is required that the inner hole of the steel runner brick is smooth, the appearance is neat, and the joints are tight. Steel runner bricks are the application of hollow corundum bricks and related refractory bricks that are connected to the steel runner bricks and steel ingot molds in the trench of the ingot casting plate, also known as soup road bricks. Steel runner bricks are usually rectangular hollow clay bricks with various specifications and models. In order to reduce the friction resistance during the flow process of liquid steel and prevent steel leakage, it is required that the inner hole of the steel runner brick is smooth, the appearance is neat, and the joints are tight.
Special high alumina brick
Special high alumina brick is a new type of chemically bonded high alumina refractory brick. It overcomes the weaknesses of high alumina refractory bricks such as poor thermal shock performance and low normal temperature compressive strength. It has the advantages of chemical corrosion resistance and high strength of phosphate refractory bricks. Moreover, it is easy to hang the kiln skin and is a new type of refractory brick for firing zones. The refractory mud used in high alumina bricks and the preparation method are basically the same as those of clay bricks. High-strength refractory mud can also be used.
High alumina refractory bricks are generally used in steel, steelmaking, hot blast furnaces, electric furnace tops, blast furnaces, reverberatory furnaces, rotary kiln linings, and other industrial kilns in China. The main components are high-alumina bauxite and sillimanite minerals (including kyanite, red base stone, sillimanite, etc.). Artificial synthetic materials, such as industrial alumina, synthetic mullite, fused corundum, etc.
High alumina bricks have the characteristics of good service quality, high refractoriness, and long service life. They are the primary refractory brick products used in industrial kilns. Generally, business units cannot correctly distinguish the quality and grade of high alumina refractory bricks when purchasing high alumina bricks. It is easy to buy low-grade high-alumina brick products at high prices. The service life of the kiln is reduced, so that smooth production cannot be guaranteed during use. Therefore, RS refractory material manufacturers remind companies to distinguish between high-quality high-alumina bricks and low-grade high-alumina bricks when purchasing high-alumina refractory bricks. It can be identified from the following aspects. Color: When purchasing high alumina bricks, you must first look at the color. Excellent high-alumina bricks have a smooth surface, yellowish-white color, flat sides, no broken corners, and no cracks.
High-quality refractory bricks, high-alumina bricks, high-quality raw materials, and unique processing techniques make the products have excellent high-temperature physical and chemical properties. It is corrosion-resistant, non-deformable, and not easy to fall off from the kiln lining.
How to Choose a High Alumina Brick Company?
The golden rule for choosing high-quality high-alumina special-shaped bricks.
- Choose a high-alumina brick company with a large scale.
- Choose a high-alumina brick company with good technology.
- Choose a manufacturer of special-shaped bricks with high cost-effectiveness.
RS Refractory Material Manufacturer is a powerful refractory brick manufacturer. Our shaped refractory brick products have an annual output of 6W tons. Refractory products have been sold to more than 100 countries around the world. For example, South Africa, Chile, Egypt, Colombia, Uzbekistan, Italy, Indonesia, Ukraine, Hungary, Spain, Kenya, Syria, Zambia, Oman, Venezuela, India, Peru, the United States, Ethiopia, etc. Moreover, our professional technical team will provide you with customized refractory lining material solutions based on the actual working conditions of your high-temperature industrial furnace. Our comprehensive high-temperature industrial furnace lining refractory material services will provide you with a complete service system to ensure the efficient and long-life operation of Ningde high-temperature industrial furnaces.
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