Cleaning principle - Single Basket - A-E

Bernoulli System pioneered the application of the Bernoulli Principle, named after the Swiss scientist Daniel Bernoulli, to water filtration. The distinguishing feature of a Bernoulli Filter is a disc mounted on a pneumatic cylinder, which enables contactless cleaning of the filter. The cleaning sequence itself is automatic and continuous, requiring no manual intervention.

A.The flushing sequence is initiated by a timer setting or triggered by a differential pressure sensor before any blockage of the filter basket causes flow reduction.

B.In the pre-flushing stage, the flushing valve opens and larger particles are flushed out. 

C.During the flushing sequence, a specially shaped flushing disc mounted on a pneumatic cylinder enters the filter basket and creates a gap between the disc and the filter basket.

D.As the flow velocity increases locally around the disc, the static pressure is reduced in accordance with the Bernoulli Principle and the direction of the flow is reversed, thus releasing particles which are stuck to the surface of the filter basket.

E.The released particles are led out from the filter through the flushing outlet. 


The Bernoulli Principle

The Bernoulli Principle states that for an inviscid flow, an increase in the speed of the fluid occurs simultaneously with a decrease in pressure.

Bernoullis ekvation

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