the capacity of a vacuum rotary drum filter varies from about 200 to 2000 lb. of dry concentrate per square foot of filtering surface per 24 hours according to the nature of the material and the amount of water that it contains. for the purposes of rough calculations it is usual to assume a capacity of 1000 lb. per square foot although this figure is generally exceeded under modern conditions.
rotary drum vacuum filter with filter aid - duration: 1:59. alan26709 33459 views. 1:59. filtration and drying in agitated nutsche filter process 3d animation - duration: 3:37.
vacuum drum filter yu the advantages of the vacuum drum filter yu formerly the bird young rotary filter lie in thin cake applications where highest filtration rates are combined with high washing rates highest solids throughput rates and all this also under gas-tight conditions.
the rotary drum vacuum filter is a very versatile liquid/solid separation device. it is used where a continuous separation of a solid from a liquid stream is desired. it can be used in process applications where the solid is the product or where the liquid is the product (and sometimes when both phases are the product).
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the nfm rotary drum vacuum filter is a continuous filter for low-to-medium production rates with medium filterability.it is used typically with medium to low resistance filter cakes. however the nfm precoat discharge rotary drum vacuum filter uses filter aids such as dicalite or perlite as a precoat for high resistance filter cake conditions.
midrange comparison: from left to right these models cost $600 $900 $700 and $800. steve conaway/cnet so the bad news: cleaning performance is tough to predict based on manufacturer or price.