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Water Treatment Plant Maintenance Guide

This guide provides maintenance instructions for a water treatment plant, including information on generator, submersible pump, flocculation tank, centrifugal pump, Silex and carbon filters, dosing pumps, and chemical solution tanks.

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Water Treatment Plant Maintenance Guide

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  1. ERU WATSAN MOD. 15 SETA Water treatment plant maintenance

  2. Contents Generator Submergible pump Flocculation tank Centrifugal pump Silex and carbon filters Dosing pumps and chemical solution tanks Maintenance form

  3. 1. Generator

  4. See generator presentation

  5. 2. Submergible pump

  6. READ MANUFACTURER INSTRUCTIONS

  7. Maintenance free Submergible pump Pumps water to the plant Flow rate: 5 – 60 l/min Max H: 58 m.

  8. Fix the rope to the hole at the head of the submersible pump and place it into the water source (tank, river, lake, well, etc). If the river bed is muddy you should prepare a cage to protect the submersible pump or, if possible, prepare a stone and gravel bed to place it on. Take out the pump on daily basis in order to remove any possible debris settled at the intake of the pump. Never use the electric cable or the flexible hose to carry or to hang the submergible pump.

  9. 3. Flocculation tank

  10. Flocculation tank (1400 l.) 3 compartments

  11. It is recommended to maintain a layer of 5 cm of sludge at the bottom of the tank to improve the flocculation process. It is not advisable to carry out a complete cleaning unless the plant is stored for a long period. The frequency to clean the tank will depend on the amount of solids in the raw water. Nevertheless, from time to time you should remove excessive quantity of sludge from the bottom of the tank by opening the valves of the drainage pipes connected to the lower part of the tank and the drainage valve at the front of the WTP. Take into account that the effluents of the sedimentation chamber could be toxic.

  12. 4. Centrifugal pump

  13. See centrifugal pump presentation

  14. 5. Silex and carbon filters

  15. Active carbon filter Silex filter

  16. READ MANUFACTURER INSTRUCTIONS

  17. Silex and carbon filters They require regular cleaning through washing and backwashing. It is necessary to substitute the carbon after 3,000 hours or a year of operation. There are caps to empty and fill the filter.

  18. Dosing pumps and chemical solution tanks

  19. Dosing pump Chlorine solution (To the flocculation tank) Dosing pump Alumiium sulphate solution (To the flocculation tank) Dosing pump Chlorine solution (To the rapid mixer)

  20. READ MANUFACTURER INSTRUCTIONS

  21. Dosing pumps Weekly check the flow of the dosing pumps. It is easy to do by timing how long it takes to fill a bottle of 1 l. As the theoretical flow of the dosing pumps is of 5 l/h, it would take (with the regulator at 100%) 12 minutes to fill it. Try it also at 50% to check the regulator.

  22. Chemical solution tanks They have to be taken off and cleaned thoroughly every 500 hours or when we observe any sludge at the bottom of the tank that prevents the suction pipe of the dosage pump to work properly.

  23. 7. Maintenance form

  24. See complete form

  25. Thank you……….

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