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The sophisticated production process of calcium aluminate powder is applied in various fields.
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2019-08-07
Calcium aluminate powder is a specialized raw material used in the production of polyaluminum chloride—a water purification agent—obtained by crushing, drying, ball milling, forming billets, calcining, and grinding high-grade aluminous bauxite together with limestone. The industrial product appears grayish-white, is slightly soluble in water, and its aqueous solution is alkaline, with a pH value of approximately 11.
Calcium aluminate powder is a specialized raw material used in the production of polyaluminum chloride—a water purification agent—obtained by crushing, drying, ball milling, forming billets, calcining, and grinding high-grade aluminous bauxite together with limestone. The industrial product appears grayish-white, is slightly soluble in water, and its aqueous solution is alkaline, with a pH value of approximately 11.
The electrofused calcium aluminate produced by Weida Company features a uniform chemical composition, a low melting point, and a rapid melting rate, which can shorten smelting time. It is fluoride-free and does not erode furnace linings or ladle refractories. Its structure is dense, non-absorbent, and easy to store and transport. Thanks to its stable phase composition and quick slag formation, it helps reduce dust pollution in steel plants and stabilizes the refining process. Moreover, it is free from impurities such as hydrogen, nitrogen, and carbon, thereby enhancing the quality of steel products. User tests have confirmed that the stability curve of our electrofused calcium aluminate product over time closely approximates a straight line. This avoids the numerous adaptation issues caused by the wavy or jagged curves typically seen in mid- and low-grade products (such as sintered products and blast-furnace-produced materials) during metallurgical production.
Calcium aluminate powder, electrically melted calcium aluminate (pre-melted aluminocalcium slag), is primarily used in LF furnaces, open-hearth furnaces, and converter ladle refining processes to remove impurities such as sulfur and oxygen from molten steel, thereby reducing the content of harmful elements and contaminants in the steel. It is suitable for use with plain carbon steels, high-carbon steels, and both high- and low-alloy steels. This technology has long been maturely applied in foreign countries, including developed nations such as South Korea, Japan, and those in Europe and the U.S.!
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