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How to Choose a Grinding Mill When Grinding Calcium Carbonate Powder

Posted: 2023-06-19

About Calcium Carbonate
Calcium carbonate is an inorganic compound, commonly known as: limestone, limestone, stone powder, marble, etc. Main composition: calcite, the formula is CaCO₃, is neutral, basically insoluble in water, soluble in hydrochloric acid. It is a common substance on the earth, found in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, and is also the main component of animal bones or shells. Calcium carbonate is an important building material and is widely used in industry.

Requirements for selecting a calcium carbonate grinding mill
Energy consumption: The energy consumption of the mill is an important consideration, both in terms of energy conservation and environmental protection. Choose a suitable mill, such as a ultrafine grinding mill (HGM) or ultrafine vertical mill (CLUM), which has better energy efficiency compared to conventional mills.

Granularity requirements: Determine the granularity required for the final product. Different mills have different capabilities in terms of grinding fineness. For finer particle sizes, you may need a grinder with higher grinding efficiency, such as a superfine mill or a Raymond mill. If a coarser grain size is acceptable, a roller mill or hammer mill may be appropriate.

Production capacity: Consider the production capacity required for the application. grinding mills have different feeding capacities, which determine how much material they can handle in a given time frame. Make sure the mill you choose can achieve the productivity you want.

Maintenance and operation of mill: The selection of the mill needs to take into account whether the mill is easy to maintain and operate, with simple maintenance procedures and simple operation of the mill can minimize the maintenance time to ensure stable production.

Cost: Compare the investment cost and operating cost of different mills. Consider factors such as purchase price, installation costs, power consumption, and maintenance costs. Balance cost considerations with required performance and quality requirements.

Test mill: If you have the need, you can experiment with different grinding mills on site, so that you can choose the mill that is more suitable for you.

Application of calcium carbonate powder with different fineness

In general, calcium carbonate grinding to 400 mesh can meet the needs of most industries, but each industry has its own different standards.
It is commonly used in the construction and paper industry, and can be used as an additive in the food industry.
Within 200 mesh: It can be used for various feed additives with calcium content of more than 55.6 without harmful ingredients.

250 mesh to 300 mesh: used for plastic factory, rubber factory, coating factory, waterproof material factory raw materials and interior and exterior wall painting. Whiteness is above 85 degrees.

350 mesh to 400 mesh: Used for making gusset plates, drain pipes, chemical industry. The whiteness is above 93 degrees.

400 mesh to 600 mesh: can be used in toothpaste paste, soap. Whiteness above 94 degrees.

800 mesh: Used for rubber, plastic, cable, pvc whiteness above 94 degrees.

1250 mesh: pvc, PE, paint, paint grade products, paper base coating, paper top coating, whiteness above 95 degrees. With high purity, high whiteness, non-toxic, odorless, low fine oil, low hardness.

Calcium carbonate can be used as a calcium supplement: the absorption rate can reach 39%, second only to calcium fruit acid soluble in stomach acid, has become the most dosage form, the most used calcium supplement.
For grinding calcium carbonate, we recommend that you choose the HGM series ultrafine grinding mill

Capacity:0.5~45 t/h
Max feeding size：20 mm
Finished powder: 300~3000 mesh
In addition to processing calcium carbonate, HGM ultrafine grinding mill can also process more than 1000 kinds of materials such as kaolin, limestone, talc, etc., and has a wider application range.

Advantages
1.Wide range of applications.
Ultrafine mills can be used in a wide range of industries and applications, including but not limited to mining, metallurgy, chemicals, building materials, coatings, ceramics and more. It is suitable for grinding all kinds of non-flammable and non-explosive materials with Mohs hardness below 9.3 and humidity below 6%.

2.High grinding efficiency.
The mill adopts the advanced grinding principle and technology such as multi-grinding zone, multi-stage classification and high-speed rotation of impeller. These features help to improve grinding efficiency and productivity.

3.Energy efficiency.
The HGM series of ultrafine mills are designed with energy efficiency in mind. It utilizes advanced mechanical principles and optimized grinding bin geometry to minimize energy consumption while maximizing grinding performance.

4.Multi-functional design.
The versatile design of the mill enables it to handle both wet and dry grinding processes. It can accommodate a variety of feeds, from soft to hard, from brittle to fibrous. The mill also offers flexible adjustment options for particle size distribution, allowing customization of product specifications.

5.Advanced control system.
The ultrafine mill uses an advanced control system to precisely control the grinding process. The operator can adjust grinding pressure, grinding speed, classifier rotor speed and other parameters to achieve the desired fineness and size distribution.

6.Low maintenance and longevity.
HGM series ultrafine mills can withstand harsh operating conditions. It has a robust construction, high-quality materials and advanced wear-resistant components to ensure durability and longevity. In addition, the mill requires minimal maintenance, reducing downtime and maintenance costs.

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How to Choose a Grinding Mill When Grinding Calcium Carbonate Powder

About Calcium Carbonate

Requirements for selecting a calcium carbonate grinding mill

Application of calcium carbonate powder with different fineness

For grinding calcium carbonate, we recommend that you choose the HGM series ultrafine grinding mill

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