Recommendations
Sodium hypochlorite generator (ACQUANOX®)Filters: washing volumeFilters: filtration rateGate and valve adjacent to the filter: recomended dimensions

Filters: areas for floodgates and adjacent valves

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 $Q$, the number of filters $n$, the superficial area $(A = a \cdot b)$ of each filter and the washing velocity $U_a$, 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.