The Vertical Pressure Leaf Filter is an extremely economical filter which has proven technology. Our vertical filters require only a small footprint. Our vertical filter systems are equipped with a cover lift assembly. Other cover lift assembly types are available on request.
The pressure vessel is filled with a solution. Each filter element is surrounded by a solution. The solution is pressurized and the liquid is pushed through the filter cake and into the filter element.
The filtrate goes out of the filter through the filter outlet. The solid particles remain on the elements as a filter cake.
Make a precoat layer (optional) on the filter elements before starting a filtration cycle. Supply the solution (with added precoat aid) through the filter until the precoat layer has the correct thickness.
A filter cake is necessary to get a clear filtrate. The first filtrate will not be clear. Keep supplying a solution to start building a filter cake. Filtration starts when the filter cake is of sufficient thickness and the filtrate becomes clear.
At the end of a filtration cycle, the contents of the pressure vessel are removed. The cake is dried with air, inert gas or steam. After the pressure is released the bottom valve is opened. The vibrators start and shake the cake loose from the filter elements. The cake goes through the bottom valve.
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