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Aluminum melting furnaces and aluminum alloy process kilns often use amorphous refractory linings (also known as refractory castables) as lining materials. These refractory furnace linings are mainly used to protect the furnace walls, bottom, and top from high temperature, corrosion, and mechanical impact to ensure long-term stable operation of the kiln. The following are some main features and introduction of unshaped refractory linings:
High-temperature resistance: The amorphous refractory furnace lining can withstand high-temperature environments, and can usually withstand temperatures in the furnace as high as 2,000 degrees Celsius or more. This is critical due to the high-temperature requirements during the production of molten aluminum and aluminum alloys.
Chemical stability: These refractory furnace linings generally have good resistance to chemical attack and can resist chemical attack in aluminum and aluminum alloy melts, preventing corrosion and wear of materials inside the kiln.
Thermal shock resistance: During the aluminum smelting process, the furnace may experience drastic temperature changes. The amorphous refractory lining has good thermal shock resistance and can withstand these drastic temperature changes without damage.
Thermal insulation performance: Amorphous refractory furnace lining usually has a low thermal conductivity, which helps to maintain high temperatures in the furnace, reduce energy loss, and improve energy utilization efficiency.
Pourability: Monoform refractory linings are castable, which means they can be poured and shaped according to the interior shape and needs of the kiln, ensuring complete coverage of the interior surface of the kiln.
Easy to maintain: These refractory furnace liners are generally easy to maintain and repair. After a period of use, if there is wear or damage, it can be repaired or replaced to extend the service life of the kiln.
The specific composition and properties of amorphous refractory linings may vary depending on the manufacturer and product type. When selecting amorphous refractory lining, it is necessary to select the appropriate material according to the process requirements, temperature requirements, and chemical environment of the kiln. In addition, regular maintenance and monitoring are also important factors to ensure the stable operation of the kiln.
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