What is the 325 mesh heavy calcium carbonate application processing equipment?

Heavy calcium carbonate is obtained by directly crushing natural calcite, limestone, marble, chalk, shells, etc. by mechanical methods. Because its sedimentation volume (1.1-1.9mL/g/g) is smaller than that of chemically produced light calcium carbonate (2.4-2.8mL/g), it is called heavy calcium carbonate.

325 mesh heavy calcium carbonate powder uses

1. Use in the coal-fired power plant industry

Limestone flue gas desulfurization is to synthesize calcium sulfite with calcium carbonate and sulfur dioxide generated in the process of coal combustion, and then contact with air to oxidize into gypsum (calcium sulfate), which can effectively reduce the emission of sulfur dioxide from coal-fired power plants by up to 90%. The desulfurized gypsum produced can be directly sold to cement factories or gypsum board factories. The amount of calcium carbonate desulfurization powder is related to the sulfur content in coal, usually 300,000 kilowatts of coal-fired power plants need 40,000 tons of desulfurization powder per year.

2. Use in putty coatings

Heavy calcium carbonate powder is mainly used in putty coatings to reduce cost and improve hardness. It is used as the main filler. Generally, heavy calcium carbonate powder is required to be about 400 to 325 mesh, and the whiteness is not less than 80%.

3. Use in feed industry

The heavy calcium carbonate powder used in the feed industry requires that the fineness of the heavy calcium powder be 325 mesh, the whiteness requirement: 95%, and the calcium carbonate content: 99%, pure and free of impurities. Calcium carbonate can increase the calcium content in the feed and improve the quality of the feed.

4. Use in the floor tile industry

Heavy calcium carbonate (heavy calcium carbonate powder) for floor tiles: 325 mesh, whiteness requirement: 95%, calcium carbonate content: 98.5%, (pure and no impurities) calcium carbonate can be used in the floor tile industry to increase the whiteness of the product. degree and tensile force, improve the toughness of the product and reduce the production cost.

5. Use in the paper industry

Heavy calcium carbonate (heavy calcium carbonate powder) for papermaking requires that the fineness of heavy calcium carbonate powder is not less than 325 mesh, whiteness requirement: 95%, calcium carbonate content: 98% Calcium carbonate plays an important role in the paper industry. It can ensure the strength and whiteness of the paper, and the cost is low.

6. Use of fillers in papermaking

Using starch-coated modified calcium carbonate as papermaking filler, whiteness requirement: 95%. Calcium carbonate content: 98%. Calcium carbonate plays an important role in the paper industry, which can ensure the strength and whiteness of the paper, and the cost is low.

7. Use in the rubber industry

Heavy calcium carbonate powder for rubber: 325 mesh, whiteness: 93%, calcium carbonate: 96%, calcium carbonate is one of the most used fillers in the rubber industry. A large amount of calcium carbonate is filled in rubber, which can increase the volume of its products and save expensive natural rubber, thereby greatly reducing costs. Calcium carbonate is filled into rubber to obtain higher tensile strength, tear strength and abrasion resistance than pure rubber vulcanizates.

8. In the artificial marble industry

Use in artificial marble heavy calcium carbonate (heavy calcium carbonate powder): heavy calcium carbonate powder fine bottom is required to be 325 mesh to 400 mesh, whiteness requirement: 95%, calcium carbonate content: 98.5%, (pure without impurities) calcium carbonate It has been widely used in the production of artificial marble.

Source: China Powder Network

325 Mesh Heavy Calcium Carbonate Powder Making Machines

Heavy Calcium Carbonate Grinding Mills is an industrial equipment used to process calcium carbonate powder. For the processing of 400 mesh heavy calcium powder, there are mainly the following three types of grinding equipment: Raymond mill, High pressure grinding mill, ultra-fine grinding mill and ball mill.

Raymond mill is the most economical 400-mesh heavy calcium processing equipment. It is especially suitable for small factories that do not have high requirements for heavy calcium powder;

The high-pressure grinding mill is an upgraded version of the Raymond mill. It is pressurized by a high-pressure spring to increase the centrifugal force of the grinding roller, that is, the grinding force on the material. It is especially suitable for materials with higher hardness below Mohs hardness level 9.3. Fine ultrafine powder processing；

Ultra-fine grinding mill can process high-quality calcium carbonate powder, with higher fine powder content and better whiteness;

Ball mill is the output of several mills. The largest, but also the most energy-intensive pulverizer.

Raymond mill and ultrafine mill are the most commonly used in the production of 400 mesh heavy calcium carbonate.

Raymond Mill for 50–325 mesh

Raymond mill is widely used in the grinding and processing of mineral products in the fields of metallurgy, building materials, chemical industry, mining, etc.

Raymond mill is widely used in barite, calcite, potassium feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass , thermal insulation materials and other non-flammable and explosive materials such as Mohs hardness not greater than 9.3, humidity below 6%, high-fine milling of more than 280 kinds of materials in non-flammable and explosive mining, chemical, construction and other industries.

The particle size can be adjusted arbitrarily within the range of 80–325 mesh.