日食记第一季百度云:Industrial Grinding Plant

来源:百度文库 编辑:偶看新闻 时间:2024/03/29 16:25:00

  Grinding machine, often shortened to grinder, is a machine tool used for grinding, which is a type of machining using an abrasive wheel as the cutting tool. Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation. 
 Introduction
This industrial grinding plant is widely used in dry way powder process of metallic and nonmetallic minerals, and powder size can be adjusted between 30 mesh and 2000 mesh. The processed ores include limestone, calcite, marble, kaolin, gypsum, barite, coal ash, slag, silicon carbide, brown alumina, cement, quartz, feldspar, refractory, etc.
Reasons for grinding:
1.The material is too hard to be machined economically. (The material may have been hardened in order to produce a low-wear finish, such as that in a bearing raceway.)
2.Tolerances required preclude machining. Grinding can produce flatness tolerances of less than ±0.0025 mm (±0.0001 in) on a 127 x 127 mm (5 x 5 in) steel surface if the surface is adequately supported.
3.Machining removes excessive material.
Working principle:
Raw materials are elevated by Bucket Elevator to Ball Mill for being ground. Materials ground by Ball Mill are sent to Classifier for being separated, so the coarse powder and fine powder are separated. Fine powder with suitable size is collected by cyclone collector, coarse powder is discharged from bottom part of Classifier and sent back by Returning Spiral to Ball Mill for being re-ground, this is a closed cycle, the air is discharged by Blower after being cleaned by Pulse Dust Collector.
Features:
1. The industrial grinding plant is stable and highly automatic;
2. Inner lining and grinding media can be changed according to customers’ request, such as high manganese steel, silica, ceramics, etc.
3. Fine powder size is even and can be adjusted; 4. The system is low trouble rate, and can be operated continuously.http://www.zd-ballmill.com offers.E-mail: zd-machine@kssb.cn
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