Vertical Chamber Pressure Filter
Vertical Pressure Chamber Yields Longer Filter Cycles and Denser Filter Cakes
The Model PFV Pressure Filter is a vertical chamber, pressurized bed filter utilizing either permanent or disposable filter media. The filter features an automatic filter cake drying and indexing cycle which reduces overall maintenance and disposal costs. The vertical pressure chamber design allows thicker filter cakes to be formed when coarse particles are present yielding longer cycles, denser filter cakes, and optimal particle removal. Thicker filter cakes combined with permanent filter media provide for substantial operating cost savings over conventional disposable media filters. Each system can be configured and customized to satisfy any plant or process requirement. All Model PFV Pressure Filters are compatible with most water soluble coolants, oil based coolant as well as straight oil.
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When the filter cycle begins, the Pressure Chamber Seal Cylinders are pressurized and exert force upon the Pressure Chamber Seal to prevent against leakage. Dirty fluid is pumped under pressure across a section of the Permanent Media Filter Belt stretched across the Platten under the Pressure Chamber. Particles suspended in the dirty fluid stream are captured on the top of the Permanent Media Filter Belt and a Cake begins to form. This cake grows in thickness as the filter cycle continues trapping smaller and smaller particles until either a preset amount of time has transpired, or the pressure drop across the cake becomes too great and prevents fluid flow. The flow of dirty fluid is interrupted, and compressed air is introduced into the Pressure Chamber ( Air blow-down Cycle). This compressed air forces the remaining fluid out of the Pressure Chamber and dries the remaining Filter Cake. At this time, the Pressure Chamber is raised to the open position and the cake is discharged. A clean section of the Permanent Media Filter Belt is simultaneously indexed into position under the Pressure Chamber, and the cycle repeats itself.