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Nutsche filter Nutsche filter Nutsche filter Special impeller for Nutsche filter Nutsche filter

Nutsche Filter type "basic"

The “basic” type Nutsche Filters are designed to perform in a single equipment a variety of process tasks like reaction, filtering, washing, smoothing and feeding/emptying.

The equipment that can work under pressure and vacuum has a filter plate, which allows the correct filtering of the product using the pressure difference between top and bottom.

The filter normally is equipped with an agitation element, which can rotate in both directions and whose stirring organ can be raised and lowered by means of a hydraulic system.

 

Charging and filtration

Filtration and smoothing

Discharging

For feeding the suspension, the agitator blades are placed in the top position. Once the product is inside the Nutsche filter the filtering process starts.  This requires a pressure difference between the top and the bottom part of the filter, which can be realized by application of either pressure of vauum or a combination of both. Filtration depends strongly on the product characteristics. Small scale tests are recommended to evaluate the adequate filter type. After pre-filtration the cake is smoothened to avoid or close cracks. This step is carried out by agitating and lowering the blades onto the cake surface. Simultaneously the cake is slightly pressed uniformly to reduce some of the residual moisture. Re-slurry washing? Opening the discharge valve the product is automatically emptied by turning and lowering the impeller. Discharge flow rate can be varied with the impeller speed. If required by the product, the discharge can be carried out in an inert atmosphere.
alimentación nucha
filtración nucha
vaciado nucha

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