Filter discs made of woven wire mesh are available in a wide range of materials, sizes, shapes, micron retentions and configurations.
Materials: Stainless steel, carbon steel, brass, etc.
Shapes: Circles, kidney, and rectangular.
Filtration Rating: 12 to 1,000 microns.
Layers: Single layer or spot welded Multi-layer screen discs.
The Disc Filters belong to the side feed group and have been around for many years. They are generally used in heavy duty applications such as the dewatering of iron ore taconite, hematite, coal, aluminum hydrate, copper concentrate, pyrite flotation concentrates and other beneficiation processes. The high time for Disc Filters was in the 60's when the metallurgical industries were booming and filters with 300 m2 and larger were manufactured.
The filter consists of several discs, up to 15 in the larger machines, each made up from sectors which are clamped together to form the disc. The sectors are ribbed towards the neck and designed for a high capacity drainage rate. One of the main features is that the required floor space taken up by disc filters is minimal and the cost per m2 of filtration area is the lowest when compared to other vacuum filters.
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