Slag insulation blanket for casting

Difficulties in foundry production

During the smelting process of cast steel and cast iron, steel slag and iron slag float on the molten steel and molten iron and are difficult to separate effectively, resulting in some steel slag and iron slag flowing into the ladle and iron ladle along with the molten steel and molten iron when the steel and iron are tapped, and are brought into the castings through the pouring process, resulting in defective castings and causing huge costs to the foundry companies.

Advantages of slag insulation blanket for casting

ladle of the medium frequency furnace are not insulated, in order to ensure smooth pouring, the time from steel tapping to ladle pouring is about 5 minutes to 30 minutes. During this period, the temperature of molten steel loss varies from 50℃ to 200℃ (depending on the tonnage of the ladle and the pouring time). The increase in the temperature of steel tapping and iron tapping causes an increase in power consumption of foundries, and each increase of 1℃ consumes 560-720 kWh of electricity (depending on the size of the medium frequency furnace).

slag insulation blankets to the furnace mouth and ladle mouth during the production process of foundries can reduce temperature loss by 3-5°C, reduce the smelting temperature during steelmaking and ironmaking, reduce energy consumption, and reduce production costs. By adding slag insulation blankets, the high-temperature working environment of the factory can be improved and the working comfort of operators can be improved.

Using slag insulation blankets can improve the purity of molten steel and molten iron in foundries, reduce inclusions in molten steel and molten iron, increase product qualification rate, and reduce energy consumption, which is an effective means for foundries to improve their economic benefits.

Introduction and usage of slag insulation blanket

Anchor-Tech Ceramic Fiber Blanket : Anchor-Tech Ceramic Fiber Blanket is a continuous noil flat-laid fiber blanket that has a higher tensile strength and a flat surface after double-sided needle punching. The fiber blanket does not contain organic binders. It has good resistance to chemical attack (except hydrofluoric acid, phosphoric acid and strong bases such as Na-0.KO). The performance is not affected by oil and water. Its thermal and physical properties can be restored by drying.

Usage : Place it in the medium frequency furnace, steel ladle, or iron ladle. When tapping steel or iron, the slag insulation blanket always floats on the surface of the molten steel and iron, and plays the role of filtering and collecting slag at the mouth of the medium frequency furnace and the ladle . At the same time, because it covers the liquid surface of the medium frequency furnace, steel ladle, and iron ladle , it plays a good role in heat insulation and splash prevention of molten steel and iron, effectively ensuring the purity of the pouring and the safety of the pouring process. After the pouring is completed, it will fall off with a scraper .