Differences in the choice of crushing and grinding equipment when processing metallic and nonmetallic mineral materials

There are many kinds of mineral resources on the earth, there are more than 160 kinds of minerals that have been proved, mineral resources are formed in the long-term geological changes in the minerals, the storage form is different, there are solid, liquid, gas three kinds of solid minerals mining and processing, they are stored in the ground surface or buried underground, according to the composition of minerals and is divided into metal and non-metal minerals, metal and non-metallic minerals, there are a lot of similarities and differences in the mining and processing of the two kinds of minerals. Non-metallic minerals in the mining and processing process there are a lot of similarities and differences, the following we on the two kinds of minerals in the post-processing processing differences for further understanding, such as the choice of crushing and milling equipment, crushing workflow and so on.

What is the connection between minerals and crushing mill? Whether metal mines or non-metallic minerals in the unprocessed can not get practical application, so the minerals to realize the value of the embodiment, it is necessary to go through a variety of mining, crushing, grinding device processing in the processing, that is to say, the value of mineral resources need to be utilized in a variety of processing machines to achieve. Metallic ores and non-metallic minerals due to the composition of different components, there are differences in chemical and physical properties and applications, so the later material processing differences, crushing and grinding equipment to choose the difference between where?

Types of metallic minerals: iron ore, copper ore, manganese ore, lead-zinc ore, gold ore, molybdenum ore, aluminum ore, etc..

Non-metallic mineral types: limestone, marble, dolomite, gypsum, cobblestone, basalt, granite, barite, calcite, bentonite, talc, quartzite and so on.

Ore type determines its scope of application, thus affecting the choice of its processing technology, the above kinds of ore crushing process are extremely similar, need to be crushed by a variety of crusher production, just in the choice of crushing equipment is needed according to the hardness of the material also decided to choose the type of equipment, and then based on the output and finished product requirements to choose the appropriate size of the model, but the metal equipment and non-metallic equipment in the milling process has a big difference! The most important table selected in the choice of type of mill, metal ores are mostly ball mills, non-metallic minerals are mostly Raymond mill, high-pressure mill and other vertical mills, which is due to the nature of the ore itself is determined.

Metal and non-metallic mineral mill type selection reason analysis:

1, metal ores are mostly extracted metal elements, there is no requirement for the fineness of the finished product.

2, ball mill can be crushed ore, but the finest only 200 mesh, the metal ore powder selection to adapt to the fineness is more than enough.

3, ball mill output, vertical mill output is small, metal ore crushing output requirements.

4, non-metallic ore powder directly applied to the next level of production, fineness, grade requirements are higher.

5、Vertical mill finished product 30-3000 mesh can be ground, powder fineness uniformity, high grade.

6, vertical mill material for high manganese steel, although the hardness of wear-resistant, but a large number of grinding metal ore wear.

It can be seen that each type of ore according to its nature and application of different processing equipment selection are in the larger differences in the so-called specialization, for grinding equipment is also the case, the ball mill is a special equipment for mineral processing, for a variety of metal ores are suitable for the same can also grind non-metallic ores, but for the finished product does not require a high degree of fineness, the quality of the powder processing is not a very high requirement, in fact, from the development of the milling industry history can be In fact, from the development of the milling industry can be seen, Raymond mill for better grinding device, late by the ball mill market, with the improvement of the powder grade requirements of non-metallic minerals in this part of the market gradually classified from the ball mill, and the emergence of a variety of Raymond mill, rotary roller mill, Europe version of the mill, trapezium mill, ultrafine mill grinding machines, and in the continuous updating and improvement to meet the milling market demand.

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