Depth Filteration Educational Equipment Water Treatment Trainer

Depth Filteration Educational Equipment Water Treatment Trainer

AFW018 Depth Filteration Educational Equipment Water Treatment Trainer For Vocational Training Center, Technical Institution, Engineering University, TVET Schools. 


AFW018 Depth Filteration Educational Equipment Water Treatment Trainer

Raw water contaminated with solids is pumped from above into a sand filter. The solids are captured and retained as the raw water flows through the filter bed. The water itself passes through the filter bed and emerges at the bottom end of the sand filter. The treated water (filtrate) flows into a tank. Over time, more and more solids are deposited in the filter bed which increases its flow resistance. This process is detectable by the increasing pressure loss between the sand filter inlet and outlet. The flow through the sand filter decreases. Backwashing with treated water cleans the filter bed and reduces the pressure loss again.
The sand filter is equipped with a differential pressure gauge. There are also several pressure measuring points along the filter bed. The pressures are transmitted to tube manometers via hoses and displayed there as water columns. This can be used to plot Micheau diagrams. The flow rate, temperature, differential pressure and system pressure are measured. The flow velocity in the filter bed (filter velocity) can be adjusted. Samples can be taken at all relevant points.

A software program is provided to control the operating states and measure data. A process schematic shows the current operating states of the individual components and the measured data. E.g. diatomite can be used to produce the raw water.



depth filtration with sand filter, separate supply unit with tank and pump for raw water pump for backwashing the sand filter 10 tube manometers to measure the pressures in the filter bed plotting of Micheau diagrams electromagnetic flow rate sensor, 4 electrically driven shut-off valves measurement of flow rate, differential pressure, system pressure and temperature filter velocity adjustable software with control functions and data acquisition via USB under Windows Vista or Windows 7

Technical data


Sand filter

outer diameter: 120mm

inside diameter: 106mm

filter bed height: approx. 700mm

Raw water pump

max. flow rate: approx. 150L/min

max. head: approx. 7,6m

Backwash pump

max. flow rate: approx. 50L/min

max. head: approx. 14m

Tanks for raw water and treated water

capacity: each 180L


Measuring ranges

flow rate: 0…1300L/h

tube manometers: 10x 0…1500mmWC

differential pressure: -1…1bar

system pressure: 0…2,5bar

temperature: 0…100°C

filter velocity: 0…70m/h


230V, 50Hz, 1 phase

230V, 60Hz, 1 phase

230V, 60Hz, 3 phases

UL/CSA optional

Dimensions and weight


LxWxH: 1900x790x1900mm (trainer)

LxWxH: 1100x790x1100mm (supply unit)

Total weight: approx. 250kg

Required for operation



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