Calcium Carbonate Ultrafine Vertical Mill

2021-09-18 09:18:07

Calcium carbonate ultrafine vertical mill is an industrial mill with higher capacity, better powder quality and better comprehensive performance.

ultrafine vertical mill

Input size: 0-10mm

Finished product fineness: 150-3000mesh

Capacity: 5-18TPH

Materials: limestone, calcite, dolomite, petroleum coal, gypsum, barite, marble, talc, coal powder, etc.


What is calcium carbonate?

Calcium carbonate is an inorganic compound with the chemical formula CaCO?, commonly known as limestone, limestone, stone powder, etc. Calcium carbonate is alkaline, basically insoluble in water but soluble in hydrochloric acid. It is one of the common substances on the earth. It exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks. It is also the main component of some animal bones or shells. Calcium carbonate is also an important building material and has a wide range of industrial uses.

calcium carbonate


Working principle of calcium carbonate ultrafine vertical mill

The material falls to the center of the CLUM ultra-fine vertical grinding disc through the screw feeder. Driven by the host motor, the reducer drives the grinding disc to rotate, forming centrifugal force, forcing the material to move to the edge of the grinding disc.

When passing through the grinding zone between the drum and the grinding disc, the bulk material is directly crushed under the pressure of the drum. The fine-grained materials form a layer, and the materials crush each other.


The crushed material after pulverization continues to move to the edge of the grinding disc until it is carried away by the airflow and enters the powder separator. Under the action of the powder separator blade, the coarse particles that do not meet the fineness standard fall into the grinding disc for re-grinding, and the powder that meets the standard enters the powder collector as a finished product.

For the iron and other debris in the material, when they move to the edge of the grinding disc, they will fall into the lower cavity of the mill due to their heavy weight, and then be sent into the discharge port by the scraper installed at the bottom of the mill and finally discharged out of the mill.


Advantages of calcium carbonate ultrafine vertical mill

• Higher yield, better quality

SBM specially designed a unique roller shell and liner grinding curve, which can avoid the problems of long material residence time, repeated grinding and high iron content in the grinding process of traditional mills. This design makes it easier to produce material layers, and one-time grinding can achieve high yields. It can greatly improve the working efficiency of the mill and improve the whiteness and cleanliness of the finished product.


• More energy-efficient multi-head powder selection technology

SBM adopts PLC control system and multi-head powder selection technology in this vertical mill to completely solve the two major problems of "high-precision, accurate powder cutting diameter, and fast switching between different production requirements". The user can precisely control the working parameters of the equipment such as grinding pressure and speed. Compared with ordinary mills, the energy consumption of this mill can be reduced by 30%-50%.


• Double limit technology, more stable operation

In the CLUM ultra-fine vertical mill, the contact point between the roller shell and the grinding disc liner adopts electronic limit technology and mechanical limit protection technology, which can avoid the destructive impact caused by machine vibration (such as grinding roller directly hitting the grinding disc) (such as grinding roller). Direct impact on the grinding disc) to ensure the stability of operation.


• Reversible structure makes maintenance easier

In the design process of the CLUM ultra-fine vertical mill, SBM fully considered the possible maintenance problems of heavy grinding rollers, and finally developed a reversible structure. Through this structure and hydraulic adjustment system, the operator can easily and quickly move the grinding roller out of the machine body, inspect and replace the roller shell and liner, and perform other maintenance operations to reduce downtime losses.


Calcium carbonate ultrafine vertical mill customer site



Application of Calcium Carbonate Superfine Powder


1. Application in plastic production

Calcium carbonate is widely used in filling polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), acrylonitrile butadiene-styrene copolymer (ABS) and other resins. The addition of calcium carbonate has a certain effect on improving certain properties of plastic products and expanding their application range. In plastic processing, they can reduce resin shrinkage, improve rheology, and control viscosity.

2. Application in the food industry

It can be used as an additive in the food industry. For example, it can be used as a variety of feed additives, with a calcium content of more than 55.6% and no harmful ingredients. It can be used as a calcium supplement with an absorption rate of 39%.


3. Application in the construction industry

It can be used as raw material for plastic factory, rubber factory, paint factory, waterproof material factory and internal and external wall painting. It has the characteristics of high purity, high whiteness, non-toxic, odorless, low oil quality and low hardness. Marble is also an important building material that can be used for house construction.

4. Application in chemical manufacturing industry

350 mesh to 400 mesh can be used to make gussets, drain pipes, and chemicals. The whiteness is above 93 degrees.

400 mesh to 600 mesh can be used for toothpaste paste, soap. The whiteness is above 94 degrees.

800 mesh can be used for rubber, cable, pvc, whiteness above 94 degrees.

It can also be used to make optical neodymium glass raw materials, etc.



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