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Project Background Limestone is a versatile and valuable resource in industrial production. High quality limestone is widely used in paper making, coating, sealing, plastic products and other products after super fine grinding. Limestone is non-renewable resources, but the use of limestone is essential, so the companies dominate the high quality limestone resources as one of the measures to achieve its own development strategy. The 3 t/h limestone grinding powder production line for customers in Zambia, Africa purchased YGM3220 high pressure micropowder grinder of Tongyong Machinery after they were introduced by local old customers. The production line is used for PVC additive and ceiling additive. |
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Project Details Raw material: Limestone Output size: 800mesh Capacity: 2-3 t/h Application: PVC additive and ceiling additive Equipment: YGM3220 high pressure micropowder grinder (Super fine grinder) Project location: Zambia, Africa |
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Technical Process The limestone is sent into stock bin by elevator after grinding. Then it is sent to grinding chamber of the main engine uniformly and continuously by vibrating feeder. Later, it is shovelled by scraper knife and enters the position between the grinding roller and ring for grinding. The fan blows the wind into grinding chamber and the powder is blown into analyzer for air separation. The material that doesn’t reach the fineness of finished product falls back to continue grinding. Qualified fine powder will enter powder collector with airflow. After discharging from discharge hole, they become finished products. Materials contain certain moisture, and grinding will generate a certain amount of water vapor. Because the seal of the entire pipeline is not tight, certain air is sucked in from the outside world which increases the system cycle air volume. In order to ensure that the mill works under negative pressure condition, excess air will enter bag filter and blow into atmosphere after purification. |
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Customer Feedback After this YGM3220 high pressure micro powder grinder is installed and debugged by the manufacturer professionally, we are satisfied with its operation effect, which also meets our current requirements. We will continue to pay attention to it. |