Raw Mill


Strong adaptability, large grinding ratio and continuous production

Raw mill is mainly used in grinding raw materials and end products in cement plant. It is also suitable for various ores and other materials from metallurgy, mine, chemical engineering and construction industries. Besides, it has two forms of milling. One is an open form, and the other is a closed recycle form equipped with a powder concentrator. It is widely applied in many industries and has convenient operations.

Materials:Cement clinker, limestone, calcite, dolomite, talc, etc.

Product Advantages


The use of new wear-resistant materials greatly improves the service life of wearing parts.

The PLC control system can be selected to improve the automation control level of the grinding mill.

The raw mills have closed structure, so there is less dust spill-over and it is beneficial and friendly to the surrounding environment.

ZENITHS’s raw mills have an excellent balance between productivity and energy consumption. Users can get higher capacity under the premise of low energy consumption.

Working Principle of Raw Mill


As the mill rotates, steel balls work to grind the materials. The mill rotates approximately once every couple of seconds.
The grinding system uses either 'open circuit' or 'closed circuit'. In an open circuit system, the feed rate of materials is adjusted to achieve the desired fineness of the product. In a closed circuit system, coarse particles are separated from the finer ones and returned for further grinding.
When final products reach the fineness standard, they are discharged out of the mill.

Technical Specs


Customer Cases


Oman 300TPH Limestone Crushing Line

Location:Saham, Oman
Material:Limestone
Input Size:Below 720mm
Output Size:0-5mm, 5-10mm, 10-20mm, (Oman standard)
Capacity:300t/h


Russia 50TPH Granite/Dolomite Crushing Line

Location:Russia
Material:Granite, dolomite
Input Size:Below 425mm
Output Size:0-5-10-15-40mm
Capacity:50t/h


Russia 300-350TPH Granite Crushing Line

Location:Russia
Material:Plagiogranite
Input Size:Below 700mm
Output Size:0-5mm, 40-70mm (0-5mm, 5-10mm, 10-20mm)
Capacity:300-350t/h


Congo 150TPH Granite Stationary Crushing Line

Location:Congo
Material:granite
Input Size:Below 500mm
Output Size:0-3mm, 3-6mm, 6-12mm, 12-25mm, 25-40mm
Capacity:150t/h


Jeddah 300TPH Marble Crushing Line

Location:Jeddah
Material:Jeddah
Output Size:0-1mm, 1-4mm, 4-7mm, 7-10mm, 10-14mm, 14-18mm, 18-35mm
Capacity:250-300t/h


Kenya 30-50TPH Phonolite Crushing Line

Location:Awasi, Kenya
Material:Phonolite
Input Size:Below 350mm
Output Size:0-6mm, 6-10mm, 10-28mm
Capacity:30-50t/h


Contact Us


If you are still confused about this machine and eager to know other aspects about it, choose our online service please. You can also fill in the form and show us some basic information, and then we will contact you at your convenience. Thanks.