CE 705 Activated Sludge Process Didactic Equipment Vocational Training Equipment Process Control Trainer
Wastewater treatment plant in laboratory scale: aerobic biological degradation of organic substances, system control via PLC Features - aerobic biological degradation of organic substances - nitrification and pre-denitrification - device control using an integrated PLC - integrated router for operation and control via an end device and for screen mirroring on additional end devices: PC, tablet, smartphone Learning objectives/experiments - learning the fundamental principle of the activated sludge process - functional principle of nitrification and pre-denitrification - creation of a stable operating state - identification of the following influencing factors -- return sludge ratio -- reflux ratio of the internal recirculation -- sludge age -- sludge loading -- volumetric loading -- oxygen concentration and temperature - efficiency of the pre-denitrification - screen mirroring: mirroring of the user interface on end devices -- menu navigation independent of the user interface shown on the touch screen -- different user levels available on the end device: for observing the experiments or for operation and control Specification [1] aeration tank divided into two areas [2] secondary clarifier with sludge scraper [3] nitrification and pre-denitrification [4] separate supply unit with 2 stirring machines [5] control and measurement of temperature, oxygen concentration and flow rate [6] measurement of pH value in the aeration tank [7] ectromagnetic flow rate sensors [8] device control with PLC via touch screen [9] integrated router for operation and control via an end device and for screen mirroring: mirroring of the user interface on up to 5 end devices [10] data acquisition via PLC on internal memory, access to stored measured values via WLAN with integrated router/ LAN connection to customer's own network Technical data PLC: Eaton XV-303 Tanks - aeration tank (nitrification zone): approx. 34L - aeration tank (denitrification zone): approx. 17L - secondary clarifier: 30L - raw water tank: 200L - treated water tank: 80L Flow rates - raw water pump: max. 34L/h - return sludge pump: max. 34L/h - circulation pump: max. 34L/h Speeds (stirring machines) - raw water tank: each max. 600min-1 - aeration tank: each max. 330min-1 - secondary clarifier: max. 45min-1 Measuring ranges - flow rate: -- 0,6...30L/h (raw water and return sludge) -- 3...60L/h (internal recirculation) -- 50...550L/h (compressed air) - temperature: 0...50°C - pH value: 0...14 - oxygen concentration: 0...20mg/L 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1550x790x1150mm (supply unit) LxWxH: 2830x790x1900mm (trainer) Total weight: approx. 450kg
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