Outside filtering drum permanent magnetic filter is in the ore - used processing, metallurgical industry, chemical
plants, paper industry and etc, for dewatering flotation concentrates of
non-ferrous metals ( such as copper, zinc, lead, nickel and etc, ) and
concentrates of non - metal (for example, sulfur - phosphorus, talc, fluorite,
coal and so on) and can also for separating into suspensoids that will be used
soild liquid and not easy to set down.
Structure: This
type of equipment is mainly the drum, trough, distribution head, mixer, and
transfer device together.
Operation: In
operation of the filter, the slurry is supplied into the tub. At this time, the
sludge is suspended in the trough as a result of agitation of the mixer. When
the plate rotates, due to the vacuum in the vacuum filter the sucked
solids immersed in the slurry on the surface of this drum excircle containing
slurry in the container. When the surface of the filter is exposed to the vacuum
filter, the remainder forming conveyor and dewatering belt is always
maintained. It sticks start is sucked dry at this time, materials. As the drum
continues to rotate, filter residue is scraping band. Here, the negative
pressure in the interior of the drum changes in air pressure. It blows down the
filter residue and blowing holes through the filtration of the filter cloth. To
remove the filter residue on the filter surface, as a kind of special scraper
be installed. The surface of the filter is re-infused into the surface of the
drum before the suspension again influenced in vacuo.
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