NA-06 - Cleaning: Design Measures to Avoid Deposits

NA-06 - Cleaning: Design Measures to Avoid Deposits

Separation catch basin - Funnel insert

The core component of the separation catch basin is an insert used to funnel the surface water between separation steps 2 and 3 and for a controlled reduction of energy in the silt trap. The insert funnels the incoming water and discharges it through a downpipe into the sump (silt trap). In the process, the water stream is circularly dispersed by a deflection plate which minimises the disturbance of the solids that have already settled in the sump.

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Separation catch basin - funnel design [Image: visaplan GmbH]
Image: 
Separation catch basin funnel principle [Source: STEIN Ingenieure GmbH]
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Separation catch basin - Symmetrical deflection of the wastewater [Image: visaplan GmbH]

 

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