Pulverizing Station

The main grinding equipment in the mining field are: ball mill, Raymond mill, vertical mill, roller press, mechanical impact mill, vibration mill, etc. In the grinding process, the choice of equipment is crucial, which directly affects the mineral utilization rate, production cost, product quality and economic benefits.

1. Ball mill

The characteristics of the ball mill are large crushing ratio, simple structure, standardized product series, easy to replace the abrasive parts such as lining, mature process, reliable operation, etc. The ball mill can be adapted to different conditions of operation, such as grinding and drying, grinding and mixing at the same time. However, in general, the pulverized ore efficiency of the ball mill is not high, the energy consumption and medium consumption are high, and the equipment is bulky and the operation noise is larger.

At present, the ball mill is still widely used at home and abroad, among which the lattice type and overflow type ball mill are commonly used in non-metallic ore dressing grinding equipment; Tube mill including grinding cement raw materials and grinding various types of cement clinker cement mill, mainly used in cement plants, can also be used in related industrial departments grinding other materials, short cylinder ball mill is widely used in calcite, dolomite, quartz, zirconite sand and other non-metallic ore fine grinding.

2, Raymond mill

Raymond mill has the advantages of stable performance, simple process, convenient operation, large processing capacity, adjustable product particle size, etc., widely used in calcite, marble, chalk, limestone, talc, wollite, gypsum, hard kaolinite, clay, feldspar, barite, bentonite, graphite, tremolite, illite, sericite and other non-metallic minerals fine grinding.

3, Vertical grinding

Vertical grinding is the use of the relative movement of the roller and the mill plate to crush the material in the material bed, as one of the main progress of non-metallic mineral powder dry ultra-fine processing technology, vertical grinding equipment and technology in the non-metallic mineral industry scale and product refinement practice application, gradually emerged the advantages of high efficiency, energy saving and environmental protection.

At present, vertical grinding has been widely used in the production and processing of white non-metallic ore industry abroad, and has also been successfully used in the grinding and processing of heavy calcium, barite, limestone, gypsum, pyrophyllite, kaolin, cement raw materials and clinker.

4, Roll press

Roller press, also known as high pressure roller mill, compared with the traditional crushing ball mill system, has a significant high efficiency, energy saving effect, known as a major breakthrough in crushing engineering.

The roller press can be used for the crushing of cement raw and clinker, blast furnace slag, limestone, coal and other brittle materials, and can also be used for the crushing of iron ore, manganese ore, lead-zinc ore and polymetallic ore with high hardness. Closed circuit with ATP vortex type ultrafine classifier, it can be used for fine grinding and ultrafine grinding of limestone, dolomite, magnesite, zircon sand, etc.

5, Mechanical impact grinding

Mechanical impact grinding is an important kind of fine grinding and ultra-fine grinding equipment, which is widely used in coal measures kaolin, calcite, marble, chalk, talc, pyrophyllite, mica, graphite, wollite, bentonite, diatomite and other non-metallic minerals with medium hardness below the ultrafine grinding processing as well as chemical raw materials, pigments, pesticides and so on.

6, Vibration grinding

Vibration grinding can be coarse grinding, fine grinding and ultra-fine grinding, suitable for barite, tremolite, kaolin, coal powder, graphite, ferroelectric materials (such as magnesium titanate) and other non-metallic minerals, fine ceramic raw materials, chemical raw materials, pigments and other grinding processing.

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