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Use of metering nozzle

Use of metering nozzle Use of metering nozzle The metering nozzle is one of the refractory materials for billet continuous casting, and it plays the role of controlling the flow of molten steel. The molten steel flows into the mold through the metering nozzle at a constant speed and stably, which is a necessary condition to ensure the normal operation of continuous casting. As a flow control element, the tundish metering nozzle should have good anti-scour and anti-erosion capabilities. During use, the inner diameter should not expand too quickly. Once the expansion size of the metering nozzle exceeds the allowable range of the mold pulling speed, it means the sizing The nozzle has been seriously damaged and cannot be used any longer. The expansion of the metering nozzle has become a bottleneck problem in the study of improving the life of the tundish. Source: http://www.cxfirebrick.com/en/new/use-of-metering-nozzle.html Email: info@cxfirebrick.com 
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What are the types of heat insulation refractory materials

Thermal insulation refractory can also be called lightweight refractory, and is also often called thermal insulation material. It is widely used in the insulation layer of industrial kiln. There are many varieties and classifications of heat insulation and refractory materials. There are light clay bricks, light silica bricks, light high alumina bricks, mullite poly light bricks, alumina hollow ball bricks, high alumina poly light bricks, etc. Light brick has stable performance and convenient use, transportation and storage. According to the temperature classification, the insulation refractory materials are divided into low temperature insulation materials (< 600 Celsius), medium temperature insulation materials (600 ~ 1200 Celsius) and high temperature insulation materials (> 1200 Celsius). In terms of bulk density, the bulk density of commonly used lightweight insulation refractory materials is 1.0 ~ 1.2 g/cm3, and 0.3 ~ 0.6 g/cm3 is called ultra-lightweight insulation materia...
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Magnesia Carbon Brick, Magnesia Carbon Bricks Manufacturers, Magnesia Carbon Bricks Composition - Changxing Refractory

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Magnesia Carbon Brick Magnesia Carbon Brick Introduction Changxing Refractory is able to manufacture magnesia carbon brick for every ladle, EAF, and BOF. We will design you a well-balanced lining, providing optimal performance at the lowest possible cost. Our magnesia-carbon brick is made from more than 98% electrically fused magnesite, high purity graphite and metallic antioxidants as needed. Size and specification can be tailored according to furnace type. Changxing Refractory magnesia carbon refractory brick factory is located in the magnesium capital of China, and products with high bulk density and low porosity. Magnesia Carbon Bricks Manufacturers series used for the electric furnace are made by adoption of fused magnetite, high-purity magnesium sand and graphite as principal raw material, through high-pressure molding and low-temperature treatment. This product is mainly used for electric furnace lining, which enjoys advantages including high temperature resistance s...
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