In the previous ore grinding production work will produce dust particles, floating dust particles will cause certain harm to the human body, such as pollution of the workplace caused by bronchitis and bronchitis and other respiratory occupational diseases, dust containing lead, manganese, arsenic and other toxic substances, can cause systemic toxic reactions; certain dust will cause explosions under certain conditions; accelerate mechanical wear and tear, precision instrument failure and a series of adverse effects.
Liming Heavy Industry Technology recommends you a star product with less dust and meet the requirements of green environment protection - LM series vertical roller mill
It can be used for grinding raw materials and clinker, and also can be used as pre-milling equipment to increase the production and energy saving of subsequent mills.
The whole machine works under sealed and negative pressure, no dust spillage; with limit device to avoid destructive impact and vibration noise; the transmission system adopts planetary gear reducer, low noise.
LM Series Vertical Grinding Mill
Working principle of vertical mill:
LM series vertical 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.
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 materials continue to move to the edge of the grinding plate until they are 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, and the materials in the airflow pass 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 system's powder collector, and the powder collected is the product of the vertical grinding. Iron and other debris mixed into the material with the movement of the material to the edge of the grinding plate, due to its own weight and can not be blown up by the wind, fell to the lower cavity of the mill by the scraper installed in the bottom of the grinding plate scraped into the slag discharge mouth out of the machine.
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