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In today's rapidly developing market economy, the demand for calcium powder is growing rapidly. However, large particles and impurities are present in calcium powder production systems, affecting product quality. This screening problem has become a headache for manufacturers and engineers, who are all searching for optimal screening equipment.
However, most light calcium manufacturers have traditionally relied on scraper screens, air separators, and cyclone mills as screening equipment, all of which have drawbacks.
The dried light calcium powder is quantitatively delivered to the coarse screen inlet via a screw conveyor, where large particles and foreign matter are first removed. It then enters the airflow screen main unit, where it is accelerated by a rotating impeller and sprayed toward the screen at a set angle. Calcium powder particles smaller than the mesh aperture are carried by the airflow through the screen and fall onto the upper portion of the main unit's lower floor. A guide agitator at this location guides the powder toward the exhaust duct inlet. The finished calcium powder, having passed through the screen at this point, is then carried by the airflow into the cyclone separator. The powder falls into the hopper and is then discharged into bags by the packaging machine. The air, carrying a small amount of calcium powder, is conveyed by an induced draft fan into the bag filter. After the air is exhausted, a small amount of calcium powder is drawn from the dust collector through a pipe below the dust collector into the cyclone separator, where it is then recycled and discharged into the packaging machine. The cyclone separator is highly efficient.