The production of building materials needs crushing and grinding, and its purpose is to increase the surface area of the material, in order to improve the effectiveness and speed of chemical reaction and the physical action, such as to promote uniform mixing, to improve the fluidity of the material, to become easy storage and transportation, and to improve the productive capacity. Stone jaw crusher, hammer crusher, and ball mills are widely used for the crushing and grinding of materials. It is much important for the achievement of greatness, high productive capacity, and low consumption to perfect and improve the quality and quantity of products.
In industrial production, energy saving is an eternal topic, while the crushing technology is important to energy saving. Some crushing technology has been adjusted, in order to achieve “more crushing less grinding” of the new technology, without changing the original production technology. But the crushing product can still meet the technical requirement and product discharge size requirement. Thus the rate of crushing is increased, energy consumption per unit of production is reduced and the distribution of grain size is more concentrated than other grain size distribution.
At present, the development of China jaw crusher is mainly in energy-saving aspect. People try hard to lower the energy consumption during the powder grinding process. At the same time, active methods are taken to lower the wear of easy wear parts. In recent years, foreign countries’ researches on fine powder grinding, classifier, the measure of granularity of micro powder, etc. are quite hot, which is because the quick development of sophisticated technique. The development of crushing technique is mainly shown in micro fine product, automation of equipments, energy-saving technique, and high-strength material and so on.
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