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News Details

Dolomite Grinding Mill Pulverizing Production Line

2023-06-21

About Dolomite

The chemical composition of dolomite is CaMg(CO3)2, and the crystals belong to trigonal carbonate minerals. The crystal structure of dolomite is similar to that of calcite, the crystal shape is rhombohedral, and the crystal surface is often curved into a saddle shape. Pure white marble is white, because it contains other elements and impurities sometimes gray green, gray yellow, pink and other colors, glass luster. Three groups of rhombohedral cleavage complete, brittle. Mohs hardness 3.5-4, specific gravity 2.8-2.9.

 dolomite 

Dolomite Grinding Mill Selection Problems

When choosing a mill, we can start with the following methods:
 
  1. Look at the size of the raw material
 
According to the size of the raw material to match, if necessary, can increase the crushing equipment.
 
  1. See the processing fineness requirements
 
(1) If the grinding fineness is required to be 80-325 mesh, it is recommended to use Raymond mill. Raymond mill is relatively common use, low purchase cost.
 
(2) If the grinding fineness is 325-3000 mesh, you can choose the ultrafine mill, the ultrafine mill grinding fineness is high, low energy consumption,cost-effective,good performance, environmental protection standards.

 

Grinding Equipment Recommendation


If you want to install additional crushing equipment, we recommend you to use the jaw crusher.


 
Jaw crusher
Capacity:1~140 t/h
Max Feeding Size:480 mm
Fineness of discharge:65~160 mm

Mill selection


If you need a normal fineness of powder (e.g. 80~325 mesh), then we recommend Clirik YGM Raymond mill.


Raymond mill
Capacity:0.2~50 t/h
Max Feeding Size:35 mm
Fineness of discharge:325~3000 mesh

 

Advantages of Raymond Mill

1. Raymond mill as a whole is a vertical structure, covers a small area, can become an independent production system, including raw material roughing, transportation, crushing and finished product packaging. 

2. YGM Raymond mill adopts electromagnetic vibration feeder, easy adjustment, energy saving and easy maintenance. 

3. Raymond mill compared with other grinding equipment, the screening rate is high, and the screening rate of finished product size through Raymond mill can reach more than 99%. 

4. All power cables are concentrated in a power distribution cabinet, enabling unattended operation in the equipment room. 

 If you need to process ultrafine powder( 325~3000 mesh ), we recommende Clirik HGM Ultrafine grinding mill.
 
Ultrafine Grinding Mill
Capacity:0.5~45 t/h
Max Feeding Size:25 mm
Fineness of discharge:325~3000 mesh

 
Advantages of Ultrafine Grinding Mill

1. The output is 40% higher than other mills.
 
2. The key parts of the mill are made of high-quality casting material, wear-resistant, and the utilization rate is up to 2-5 years.
 
3. Adjustable particle size:325-3000 mesh.
 
4. High security and reliability. The mill design is rigorous, no screw loose damage to the machine.
 

5. Fully closed system, is the ideal equipment for green environmental protection.The device according to different specification roughly divided into: HGM80, HGM90, HGM100, HGM125 models, you can select as needed.
 

Application of Dolomite

 
 
Refractory materials:
Dolomite is one of the important raw materials of basic refractory materials, mainly used in steelmaking converter lining, open hearth furnace, electric furnace furnace wall, can also be used in furnace refining equipment and cement kiln and other thermal equipment. 

Production of magnesium compounds:
Dolomite can produce magnesium carbonate, magnesium oxide, magnesium sulfate magnesium hydroxide and other magnesium compounds. Magnesium carbonate includes: light magnesium carbonate, light spherical magnesium carbonate and light transparent magnesium carbonate, light magnesium carbonate is the basic raw material of inorganic chemical industry, mainly used in the manufacture of magnesium salt, magnesium oxide, fireproof materials, can also be used in shipbuilding, boiler, glass, pigment, medicine and other industries.
 

Production of coating:
Dolomite can make a new type of physical pigment, its chemical composition is stable, with weather resistance, anti-settling, high whiteness, low cost, unique process and other advantages, can be used for a variety of paints. The coatings produced can reduce the amount of titanium dioxide, high hardness, good hand feel, strong adhesion, and the application effect is better than heavy calcium carbonate.
 

Dolomite is an important calcium and magnesium resource, which can be used in many industrial fields such as building materials, ceramics, glass and refractories, chemicals, agriculture, environmental protection, energy saving and many other fields.

 
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