All solvent and gas streams can be recovered separately and reused in the process to minimize their consumption. After automatic cake discharge, the filter cloth is washed the clean filter cloth then re-enters the feeding / filtration zone thereby continuing the process. The Filter has a uniquely designed discharge system, which provides for atmospheric discharge from pressure filtration. The Supramix-S ribbon vacuum dryer consists of a heated vertical mixing spiral, rotating at moderate. Finally, the cake is dried by blowing hot or ambient-temperature gas through the cake. The Supramix-S is a vertical ribbon vacuum dryer with a maximised heating surface for the drying of all types of thermo-sensitive wet, crystalline, amorphous or paste products, with a total vacuum. Multiple washing steps as well as solvent exchanges, steaming and extraction can also be accomplished. Positive displacement washing or counter-current washing follows filtration. The technology is based upon a slowly rotating drum, less than 2 rpm, with individual cells containing the filter media and isolated process zones.įiltration is driven by pump pressure of up to 7 barg with a temperature range of 200° Celsius. The primary role of this type of vacuum pump filter is to minimize or eliminate oil mist that often form due to operation of the vacuum pump. The BHS Rotary Pressure Filter is a continuously operating filter for pressure filtration, cake washing and drying of high solids slurries with full containment and automatic cake discharge. Exhaust filters commonly find application on oil sealed rotary vane vacuum pumps.
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