Coarse and fine screens
Level

Overview
Mechanical cleaning removes entrained floating matter with screens or sieves. This protects the downstream process stages from buildup, clogging and abrasion. Solids with diameters greater than 25 mm are trapped in the coarse screens, compressed in a press and then disposed of. Finer secondary screens remove smaller residual materials. Measurement of the difference in water level between the front and the back of the screen determines the degree of contamination and initiates the cleaning of the screen when necessary.
Operating Conditions
- Measuring Task
- Water level measurement
- Measuring Point
- Screen
- Medium
- Water
- Measuring Range
- 0 … 5 m
- Temperature
- +10 ... +30 °C
- Pressure
- 0 … 0 bar
Challenges
- Buildup, abrasion, foam
Benefits
- Reliable: Reliable control of screen cleaning
- Cost effective: Non-contact and wear-free measurement
- User friendly: Maintenance-free operation of the system
Recommended Products
Wireless & Connectivity
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