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Deep Filtration Apparatus Model FM 103

Sci-tech Depth Filtration Apparatus Model FM 103 with sand filters is a key unit operation in water treatment. FM 103 enables this process to be demonstrated.

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.

Size:

120cm x 50cm x 145cm (LxWxH)

Weight:

65 kg

Item Description

Features

Removal of solids by depth filtration (sand filter)
Pressure loss: plotting of Micheau diagrams
Backwash of sand filters

Sci-tech Depth Filtration Apparatus Model FM 103 with sand filters is a key unit operation in water treatment. FM 103 enables this process to be demonstrated.

Optionally ‘Sci-Cal’ software & hardware has been designed for use with more than 600 ‘Sci-tech’ trainers. ‘Sci-Cal’ comes in a module that can be fitted or mounted on the Sci-tech trainers very easily.

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.

Technical Specifications

Specifications
 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 7, 8.1, 10

Technical Specifications
Sand filter
1 outer diameter: 120mm
2 inside diameter: 106mm
3 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

Optional: ‘Sci-Cal’ Computer Control Software & Interface

‘Sci-Cal’ software & hardware has been designed for use with more than 600 ‘Sci-tech’ trainers. ‘Sci-Cal’ comes in a module that can be fitted or mounted on the Sci-tech trainers very easily.

‘Sci-Cal’ box has 11 inches front HMI interactive panel, inside are i3 processor computer with it’s own hard drive & software processor with 16 to 32 analog and 16 to 32 digital signal data-loggers. The ‘Labview’ processes the input signal with in-built data and formulae to tabulate results for the Sci-tech trainers.

‘Sci-Cal’ box has HDMI output for connection to a projector or an electronic whiteboard or a monitor.

‘Sci-Cal’ box has input ports for inputs from the Sci-tech trainer sensors.

‘Sci-Cal’ eliminates requirement of external computer.

Experiments