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Recommendations
Centrifugal Decanter (Pieralisi)
Mechanized mixer for flash mixing (Aquaflash) and flocculation (Aquafloc)
Filters: washing flow
Filters: filtration rate
Filters: washing volume
View all calculations

Filters: areas for floodgates and adjacent valves

Select calculation method

Input data

Flow (Q)

Superficial area (A)

Washing velocity (Ua)

Number of filters (n)

Output data

Washing flow (QL)

Inlet area to the filters (AI)

Outlet area of the filters (Ao)

Area for washing water(Apl)

Area of washing water(AL)

Description

Given the flow to be filtered QQ, the number of filters nn, the superficial area (A=a⋅b)(A = a \cdot b) of each filter and the washing velocity UaU_a, calculates the minimum reccomended areas for inlets and outlets to the filters.

FilterFilter

Observation

  • The washing velocity must be between 0.60 and 0.95 m/min.

References

  • AZEVEDO NETTO, J. M. DE. Manual de hidráulica. 9. Ed. São Paulo, Blucher, 2015.