Xintai Group introduces to you the use and operation of calcium aluminate powder
2022-10-12
How to use calcium aluminate powder? Users who buy calcium aluminate powder will think that calcium aluminate powder is not good to use. But Xintai Group, as a manufacturer of calcium aluminate powder refining slag, wants to tell you that calcium aluminate powder will not achieve the expected effect if it is not used properly. Today, Huaxin refining slag manufacturer will explain the use of calcium aluminate powder, so that you can simply use it, improve your efficiency and reduce unnecessary expenses.
Calcium aluminate powder is an off-white powder whose main component is a mixture of calcium diacrylate (CaO 2A1203) and a calcium aluminate (CaO A1203). Slightly soluble in water, the aqueous solution is alkaline with a pH value of about 11. Calcium aluminate powder is mainly used in the production of aluminum salts such as polymeric aluminum chloride, aluminum sulfate and sodium aluminate. It can also be used to adjust the alkalinity and also used in refractory materials.
Xintai Group says that calcium aluminate powder is generally packed in plastic woven bags with a net weight of 50 kg per bag. Transportation and storage should be kept dry, waterproof and moisture-proof. If it clumps in water, treat it before reuse. Calcium aluminate powder is highly reactive with inorganic strong acid and can be started at room temperature. The dissolution rate of alumina can be more than 90%. Using it as raw material to produce liquid or solid polymeric aluminum chloride can simplify the process, reduce cost and improve product quality.
The reaction of calcium aluminate powder and hydrochloric acid can prepare polymerized aluminum chloride. Xintai Group says, when using, add water to the reaction tank and start stirring the slurry. Then add hydrochloric acid quantitatively, dilute it to the required concentration, and then slowly add calcium aluminate powder to the reaction. During the reaction, the temperature in the pool will gradually increase. When it exceeds 110, the right amount of water can be added to make the reaction not to overflow out of the pool. It is necessary to add a small amount of water in several times to maintain the normal required temperature. After adding calcium aluminate powder in use, the reaction is carried out for 2 hours. When the PH test paper is greater than 3, it can be diluted with water to a density of 1.25-1.
Molten calcium aluminate (pre-molten calcium aluminate slag) is mainly used in LF furnace, flat furnace, converter refining ladle to remove impurities such as sulfur and oxygen in steel and reduce the content of harmful elements and impurities in steel. Applicable to ordinary carbon steel, high carbon steel, high and low alloy steel. It has been used abroad, such as Korea, Japan, Europe and America and other developed countries.
The calcium aluminate powder produced by our company Xintai Group has uniform chemical composition, low melting point and fast melting speed, which can shorten the smelting time. No fluorine, no corrosion to the lining and ladle; compact structure, no water absorption, easy to store and transport; due to the stable phase and fast slagging, it can reduce the dust pollution to the steel plant and the process is stable. It does not contain impurities such as hydrogen, nitrogen and carbon, which is conducive to improving the quality of steel. It has been proved by users that the curve function of the stability of Xintai Group products with time is a straight line. Avoid the wave-like and jagged curve function of middle and low-grade products (sintered products, cupola products) which cause many maladjustments to metallurgical production.
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