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SEMI-AUTOMATIC FILTERPRESS
WITH MANUAL OPENING SYSTEM
This kind of machine represents the basic version of the filterpresses supplied by Autemi.
The opening and closing of the filtering pack is managed by acting on the electrical control panel with a special button which controls the opening or closing of the hydraulic cylinder moved by a hydraulic power pack.
The opening of the single plates is done manually by one or more operators depending on the size of the machine.
The remaining functions of opening the process valves and controlling any auxiliary devices for the correct execution of the filtration cycle are controlled automatically by the PLC of the machine.
Filtration cycle: Not automatic
Plate opening: Manual
Other functions of the filter press: Managed by PLC
Operator presence: Necessary
Plate sizes: from 500×500 to 1200×1200
Mixed safety protections consist of a pair of light curtains on the operator side and a fixed polycarbonate panel with a painted carbon steel support structure.
Installation of light curtains on both sides of the machine (operator and opposite). Facilitates maximum accessibility of the machine.
When you want to provide shelter from splashes that may occur during washing or you want to protect the operator from sludge leakage, you should install sliding guards on both sides.
When we are filtering fluids that tend to be acidic and could give rise to vapours or fumes, it is advisable to construct a suction hood so that these vapours are extracted and evacuated to ensure the safety of the operator.
With this kind of discharge, the filtrate comes out from the lower part of the plate and through a curve is conveyed into an open tray to collect the filtrate. This solution is not suitable for sludge that is difficult to filter.
In the closed collector discharge, all filtrate is conveyed into a single closed collector discharge. In combination with the drain valve, this system increases the filtration efficiency.
An automatic device used to clean the feeding piping and the feeding channel formed when the filter plates are placed together in the filterpress.
It has the function of conveying the liquid that leaks during the filtration phase into a drip channel, avoiding wetting the previously discharged pressed sludge.
In case of long plate packs, the plates are also fed from the moving head to achieve uniform filling, so as to increase the compactness of the rehydrated cake and avoid pressure imbalances in the plates. Recommended above 50 installed plates.
It is possible to prepare the machine to increase the number of plates installed at a future moment by making a larger frame and installing a suitable spacer (to be removed when the plates are installed).
When the fluid being processed contains substances that cause deposits on the cloths, the plates can be washed with a dilute acid solution to clean the filter cloths.
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