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Continuous Casting Refractory Ladle Shroud¹

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Product Description Continuous casting refractory ladle shroudProduct DescriptionLadle shroud is used to protect the steel steam from splashing and oxidation as it flows into the tundish. ISO-statically pressed carbon bonded alumina-graphite ladle shrouds, with enhanced composition wear bands and argon channels as necessary for the particular casting and cleanliness requirements of a shop are available. Preheat is not required as the shrouds are free of thermal shock characteristics. A variety of gasket designs and materials are also available for easy disconnect between heats.Graphic Illustration:1. Multiple argon injection designs engineered for customer requirements.2. Precision steel components for protection of the ceramic body.3. Enhanced bowl composition for greater protection during lancing.4. Ceramic glaze coating to prevent external oxidation.5. Ceramic fiber to prevent heat loss during casting.6. High quality Al-C materials having high corrosion and thermal shock resistance.7. High quality composites to provide enhanced corrosion resistance at the slag line.8. Non-graphite based materials to meet the requirements of producing low carbon steel, silicon steel and high purity steel.9. Reverse taper and bell designs for the prevention of "blow-back" during submerged openingsFunction of Ladle Shroud1.Prevent oxidation of molten steel and the formation of non-metallic inclusion2.To reduce molten steel temperature loss from ladle to tundish3.It is preventing molten steel splashing when pouring from ladle to tundish and can make sure the minimum turnover in tundish. Product Parameters Al2O3 %Fe2O3 %SiO2 %TiO2 %ZrO2 %CaO %MgO %LOI %Body61.021.312.81.59 23.28Slag Line 75.11.71 15.01Body(reusable)38.22 22.47 1.2 34.52 B.D (g/cm3)A.P.P %Fracture strength MpaBody2.5715.676.9Slag Line3.7815.616.97Body(reusable)2.214.675.32TechnologyFree preheating ladle shroud is a effective protection channel for steel liquid from ladle to tundish. It has the function of stability steel liquid , anti oxidation of steel liquid and liquid splash . argon is blowing by seat position to reduce nitration suction of steel liquid . we made this free preheating ladle shroud has the strong points of no-cracking , steel liquid flashing resistance, and high erosion resistance. We developed special shape nozzle casting under the liquid level in order to avoid splashing and oxidation.We make different types of ladle shrouds with customised argon sealing and bell designs to ensure complete protection of the steel stream from splashing and oxidation as it flows from the steel ladle to the tundish. As different steel products have different specifications, we have developed more than ten patterns to suit different designs of steel ladle and tundish required by our customers. For added durability and protection, we apply specialised materials at the seat which has a particularly high potentialfor oxidation. A special mixture of materials is put into the liner to prevent gouging. For added measure a mixture of zirconia or magnesia is used for the slagline to protect our ladle shrouds from chemical corrosion caused by tundish powder, ensuring the integrity of the steel flow.Details:Depending upon the concasting condition, we provide ladle shrouds of Alumina Graphite or Alumina Zirconia Graphite. The products have the following characteristics. 1) Prebaking unnecessary With the functional gradient structure, our ladle shrouds are characterized by high thermal shock resistance and can be applied to the con-casting process directly from the ambient temperature, without preheating. 2) Long service life Specially designed slag line composition for customer casting conditions guarantee our ladle shrouds with the properties of high erosion resistanceApplication

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