Retsch AS 450 control Manuel d'utilisateur télécharger pdf (Page 34)

Wet sieving

Fig. 18: Arrangement of the water system

NOTE

Wet sieving

– For wet sieving to be successful, please observe the following instructions

• The inside diameter of the water supply hose to the spraying nozzle must

be 13 mm.

• During the wet sieving a water pressure of between 2 bar and 5 bar is

recommended at the sieve cover entry (approx. 2 litres/min – 4 litres/min).

These values depend on the sieve mesh size used, sieve material and

collecting pan loading.

• Use ventilation bases between the sieves.

• The water outlet from the drain hose must be below the water sieve outlet

(W1).

• The spacing between the water outlet from the drain hose and the water

sieve outlet should not be too large. (W2)

• The inside diameter of the water drain hose must be sufficiently large.

(Inside diameter of hose is 20 mm)

• Used sieves must be cleaned immediately after the sieving process.

Depending on the material being sieved, a rust film can form in the sieve

mesh.

8.1.2 Performing Wet Sieving

• Add the solid material as a suspension .

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Retsch AS 450 control Manuel d'utilisateur Page 34