How is good calcium powder produced?

Calcium powder is primarily composed of calcium carbonate (CaCO₃), which is widely found in various rocks such as dolomite, calcite, chalk, limestone, and marble. This powdered material has several characteristics, including a wide range of raw material sources, high product whiteness, low oil absorption value, good applicability, non-toxic and harmless properties, and low cost, making it an important basic raw material in multiple industries.

Three Major Standards for Good Calcium Powder

Fineness: Appropriate fineness ensures the uniformity and reactivity of calcium powder when mixed with other materials. The powder should be fine and uniform to better exert its effects.

Purity: High purity calcium powder ensures the stability of product applications. Quality calcium powder should achieve a purity of over 90% to meet the needs of various industrial productions.

Whiteness: Whiteness is an important indicator for measuring the appearance quality of industrial calcium powder. High-quality industrial calcium powder should have a high whiteness and be free of impurities and black spots.

Calcium Powder Production Process

From the preparation of raw materials to the delivery of the finished product, each step in the production of calcium powder requires strict control and meticulous operation. Only in this way can we produce calcium powder products that are stable in quality and uniform in particle size, meeting the needs of different fields.

Washing and Crushing
After mining, the calcium carbonate ore is first washed with water to remove surface dirt and sand, eliminating impurities. It is then crushed into smaller pieces using equipment such as crushers to improve the efficiency of subsequent grinding.

Grinding and Classification
Grinding is the core step in calcium powder production. The crushed calcium stone is fed into the mill, where it is finely ground using equipment such as European mills or vertical mills. Depending on different requirements, the fineness of the calcium powder can range from 200 mesh to 3000 mesh. The calcium powder is then sent out through a classifier and collected using a pulse dust collector or cyclone collector to ensure uniformity in fineness.

Packaging and Inspection: Finished Product Delivery
The calcium powder is packaged according to specifications and requirements, with common packaging methods including plastic bags and cartons. Quality inspection is conducted on the packaged calcium powder, including particle size, calcium content, moisture content, and other indicators, to ensure that the product quality meets national standards and customer requirements. The inspected calcium powder that passes quality checks is stored in a warehouse, awaiting shipment.

How to Choose Calcium Powder Production Equipment

In response to the diverse fineness requirements of the calcium powder industry, Liming Heavy Industry has developed a series of grinding equipment, including the MTW European version trapezium grinding mill, LM vertical mill, LUM ultrafine vertical mill, and MW ring roller micro powder mill.

After more than thirty years of accumulation and development, Liming Heavy Industry has achieved breakthroughs and innovations in key areas such as calcium powder grinding and green preparation. It has been successfully applied on a large scale in multiple high-value-added calcium carbonate deep processing projects, receiving abundant praise and winning market recognition. Choose Liming Heavy Industry, and we will not disappoint your trust!