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1.2, What kind of mills should be used to grind silica or quartz?
Silica has found wide application not only in our daily life, but also in the high-tech field. A lot of miners show closed concern about the processing of silica or quartz. As we know, silica is a hard mineral which had Moh's hardness of 7. Therefore, machines with high running speed are not suitable for it. Ball mill has relative low speed and can be easily wear-protected, so ball mill has become the common grinding machine for silica processing. Our ball mill has the following features:
1, tailor-made according to the grindability and particle size requirement.
2, the mill is protected with Al2O3 bricks or silex to avoid iron contamination.
3, with high load of grinding media to increase grinding efficiency.
4, the input energy matches the material grindability that results in energy saving.
5, the ball mill de-dusting through an opening at the end of the mill ensures dust free.
6, robust structure and lower running speed keeps it long serving time.
So we may conclude that tailor made ball mill is the most suitable equipment for silica or quartz grinding.
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2.1, Why clients select our ball mill for production of mineral fillers?
In most case calcium carbonate fillers with particle size less than 10 micron are in great demand in the market. Our ball mill is specially designed for such applications. It is quite different from the tube mill that some people use for so-called fine grinding.
1，Our ball mill has an optimized D/L ratio that can effectively avoid over-grinding.
2，The grate discharge design allows to use smaller grinding media.
3，The higher loading of cylpebs together with our designed grinding mechanism results in high grinding efficiency with lower grinding energy.
4，At the end of the mill there is a suction opening in stead of a filter, which makes it environment friendly.
5，Additionally, ball mill grinding gets a wide range of particle size distribution with more fine content, so it is easy to separate products smaller than 10 µm products with a classifier to meet the required fineness for a variety of application.
6，The sturdy construction and lower running speed with lower maintenance cost make it an economic device for fine or ultra-fine grinding of mineral fillers.
All these advantages determine the ball mill priority positions in the market of mineral fillers processing.
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3.3, What kind of classifier should be used for classifying silica and other hard minerals?
Quartz, quartzite, sandstone and other silica-bearing rocks in addition to ceramic raw material, such as feldspar, zircon …etc. have Mohs hardness 6.5-7. Because of their high hardness and irregular form, the ground products are very aggressive. The classifier wheel as well as the inner parts are badly damaged in a short time. To solve this problem, we have developed a kind of static classifier. It has neither rotor nor motor. The optimal design reduces the strong impact of the mass flow to the inner parts of the classifier. Owing to absence of moving parts and well protected with PU and ceramic tiles it keeps long serving life. Moreover, this classifier is easy to repair since there is no rotor. It is not necessary to send it back to the factory and maintenance can be done on site. The most important thing is that our static classifier obtains sharp cut point and the product can be comparable to that of the most expensive multi-wheel classifier. Lower investment, lower running cost, lower maintenance fee, iron-free products and energy saving, all those advantages make it a scramble to buy among the silica powder producers.
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4.What are the factors that affect the price of dust filter cartridge?
The last is the control of the price of the product by the dust filter cartridge manufacturer, the capital investment of the raw materials and production equipment for the production of the product, and the labor costs of the workers, are constantly affecting the price of the product, but also affecting the future development of the enterprise.
Then is the impact of the supply and demand relationship between consumers and society, when the market of dust filter cartridge cartridge supply is in short supply, the price of the product will continue to increase with the contraction of the market, but when the product oversupply, the price of the product is also reduced with the expansion of the market.
The last is the control of the price of the product by the dust filter cartridge manufacturer, the capital investment of the raw materials and production equipment for the production of the product, and the labor costs of the workers, are constantly affecting the price of the product, but also affecting the future development of the enterprise.
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