Recommendations
Sedimentation tank stilling wallsFlocculated water distribution under platesConventional settling tank: triangular weirs at the edges of the settled water troughsHead in orifices and nozzlesConventional settling tank: horizontal flow velocityPressure drop in Leopold blocks
Discharge of decanters through manifoldand pressure duct
Default

Input data

Depth of settling tank

Length of discharge chamber (LC)

Width of discharge chamber (b)

Height of discharge chamber (H)

Number od discharge tubes

Diameter of each discharge tube

Extension of each discharge tube

Diameter of main discharge valve

Output data

Flow in each discharge tube

Velocity in each discharge valve

Head loss in each discharge tube

Flow in the main discharge

Velocity in the main discharge

Head loss in the main discharge

Piezometric height inside the discharge chamber

Description

Given the settling tank depth, the dimensions of the discharge chamber, of each dischearge pipe and the main valve diameter, calculates the flows in each discharge pipe, the total discharge flow and the pressure inside the discharge chamber.

References

  • VIANNA, Marcos R. Hidráulica aplicada às estações de tratamento de água. 6. Ed. Belo Horizonte, 3I, 2019.