Nickel slag can also be called nickel-iron slag, which is a solid waste generated during the smelting of nickel or nickel-iron alloy, and has become one of the common industrial waste slags in the production process. The previous treatment of nickel slag is mostly landfill, which not only causes waste of resources but also pollutes the environment, so the secondary use of nickel slag has great significance, how to sieve the resources with recovery value in nickel slag, we have to mention the LM vertical mill. Today, I take you to understand the processing flow of vertical mill and its process in Liming Heavy Industry.
Nickel slag grinding mill processing
Nickel slag mill is mainly composed of grinding roller assembly, grinding disk assembly, hydraulic station, transmission arm assembly, powder selector, main reducer, motor, body, main reducer lubrication station, hydraulic station, PLC electric control cabinet and other parts.
LM vertical mill
When working, the main motor drives the grinding disk through the reducer, while the hot air enters the vertical mill body from the air inlet, and the material falls in the middle of the grinding disk from the lower material inlet, under the action of centrifugal force, the material moves evenly from the middle to the edge of the grinding disk, and when passing through the grinding roller channel area on the grinding disk, it is crushed by the grinding roller, and the large pieces of material are directly crushed, and the fine particles are crushed by the extrusion to form the material bed for intergranular crushing. The crushed material continues to move to the edge of the grinding plate until it is taken away by the strong airflow at the wind ring, while the larger granular materials fall back to the grinding plate to continue to be crushed, the material in the airflow passes through the upper separator, under the action of the rotor blades, the coarse particles return to the grinding plate for grinding, and the qualified fine powder comes out of the mill with the airflow and is collected by the powder collector of the system, and the collected powder is the product of the vertical grinding. The iron pieces and other debris mixed with the material will not be blown up by the wind due to their weight when they move to the edge of the grinding plate and fall to the lower cavity of the mill and be scraped into the slag discharge port by the scraping plate installed at the bottom of the grinding plate.
LM vertical mill is developed and produced by Liming Heavy Industry, integrating crushing, drying, grinding, classifying and conveying, with compact layout and small footprint; it mainly focuses on the three fields of non-metallic ore, coal dust and slag, with mature technology, which can be applied to both raw material and clinker grinding, and can also be used as pre-milling equipment to make the subsequent mill significantly increase production and energy saving.
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