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The factors that affect the use of slide gate plate

1.Breakage around the hole caused by thermal shock. Small crack could appear when high temperature molten steel and refractory material get in touch, so it is crutial to improve the termal shock resistance and take measures to prevent the cracks … Continue reading

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The features of magnesite for producing magnesia carbon brick

Magnesite is the main raw material for magnesia carbon brick, normally there are two kinds, sintered magnesite and fused magnesite. But comparing this two kinds, fused magnesite has the advantages of lager periclase crystal, bigger bulk density, etc. It is … Continue reading

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Come to know the classification of unshaped refractory material

Compared with shaped refractory material, and unshaped refractory material have many advantages. For example, easy manufacturing process, short manufacturing period, saving energy, good integrity when using, widely application, and convenient for installation. Though all with same shape, unshaped refractory products … Continue reading

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The sintering of tundish with dry vibration mix lining

1.For tundish with dry vibration mix lining, tundish should be cleaned before sintering, tundish cover should be changed if it is damaged. Under normal working condition, the sintering time for tundish should be more than 2.5 hours but less than … Continue reading

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The application of corundum castable

Corundum castable is a kind of high-grade unshaped refractories based on fused corundum as the main raw material, adding binder and other materials. According to different parts and temperature, there is different choice of corundum castable: Chrome corundum castable, zirconia … Continue reading

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Come to know the application of Al2O3-C submerged entry nozzle on chinafirebrick

Al2O3-C submerged entry nozzles, take corundum and graphite as the basic raw materials, add metal silicon, silicon carbide, molding in the isostatic press, and then sintering. This nozzle, with uniform structure, low infiltration to molten steel, strong erosion resistance, so … Continue reading

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The requirements of refractory materials in cement rotary kiln burning zone

1. When the cement rotary kiln rotating lap, the refractory in the kiln will be exposed to the gas in the kiln once. In addition to the time, the refractory materials are covered by the material, so the kiln refractories … Continue reading

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The factors that stop slide gate plate from being used continuously

1.Flames or yellow smoke appear from the side of sliding mechanism when burning the nozzle with oxygen; 2.Bright line is spotted between slide gate plate and nozzle or between upper and lower slide gate plate; 3.There is steel in between … Continue reading

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Effect of raw materials on properties of magnesia carbon bricks

Magnesia, the main raw material of magnesia carbon brick, its quality has a very important influence on the performance of magnesia carbon brick. How to choose magnesia is the key to produce magnesia carbon brick. There is fused magnesia and … Continue reading

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Come to know the classification of refractory material

According to different chemical composition, refractory material can be divided into 3 types: alkaline, acid and neutral refractory material. Alkaline refractory material: Generally refers to MgO or MgO and CaO as the main composition of refractory material. These refractory raw … Continue reading

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