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Calcium hydroxide powder making process and production line equipment configuration

zkj/ Release time : 2024-02-24

Calcium hydroxide (Ca(OH)2) is an important chemical raw material, which is widely used in mining, building materials, metallurgy and other industries in industry. Calcium hydroxide powder making process and production line equipment configuration have an important impact on the production of calcium hydroxide powder. The following will introduce the calcium hydroxide powdering process and detailed description of the production line equipment configuration.

Calcium hydroxide powdering process

Raw material preparation: calcium hydroxide production of raw materials is mainly limestone (CaCO3). Limestone through the dry or wet limestone mine beneficiation equipment for preliminary crushing, to get suitable for further processing of the ore.

Calcination of limestone: The limestone after preliminary crushing is subjected to a calcination reaction to break it down into calcium oxide (CaO) and carbon dioxide (CO2). Equipment required for this step includes a kiln or calciner.

Hydroxidation: The calcined calcium oxide is reacted with water to produce a calcium hydroxide precipitate. This step usually requires equipment such as a reactor or reaction tank.

Drying: The calcium hydroxide precipitated by wet method is dried to make it reach a certain granularity and moisture content. The drying equipment usually includes rotary dryer, air flow dryer and so on.

Crushing: Crush the dried calcium hydroxide to make it reach the required powder fineness. Crushing equipment includes vertical roller mill, ball mill, etc.

Ore Grinding Mill

Ore Grinding Mill

Production line equipment configuration

Limestone beneficiation equipment: including crushing equipment, jaw crusher, cone crusher, etc. for preliminary crushing.

Kiln or calciner: used for limestone calcination reaction, usually adopts rotary kiln, vertical calciner and so on.

Drying equipment: including rotary dryer, airflow dryer, etc., used to make wet calcium hydroxide dry to the required moisture content.

Crushing equipment: vertical roller mill, ball mill, etc., used for crushing calcium hydroxide.

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