Flow Level Pressure Temperature Control Bench
Flow Level Pressure Temperature Control Bench
- Control of water levels in loop.
- Control of water flow by winnowing.
- Control of water pressure by winnowing.
- Control of water temperature, (piloting resistive charges per static power unit).
- Control of water temperature with cascade on the flow.
Teaching Objectives of Flow Level Pressure Temperature Control Bench
- Study of the closed loop syste.
- Stability conditions.
- Response to a level instruction.
- Influence of the parameters of control and the algorithm setting (TOR, P, PI, or PID) on the results.
- Study of an open loop system.
- Study of the characteristic curves of the system.
- Study of a cascade control system
Technical Specifications of Flow Level Pressure Temperature Control Bench
- A supply tank of 50 liters out of PVC, with taping and overflow.
- A Altuglass column high 1200 mm, diam. 200 mm with overflow and drain tap.
- A centrifugal pump, 380 V three phases.
- A master regulator with universal input, output 4-20 mA and a slave regulator, regulation algorithm P, PI, PID, PD + MR. function auto/manual – auto-adaptative with double display measure/instruction.
- Proportional pneumatic valve, with positioning.
- I/P Converter.
- Pressure control by pressure transmitter (output 4-20 mA).
- Electronic flowmeter (output 4-20 mA).
- 4 rotary flowmeters with tap.
- Level measurement by pressure transmitter (4-20 mA) placed at the bottom of an Altuglass water column with overflow and drain valve.
- Immersion heater with thermostat.
- 2 temperature probes Pt 100 ohms with transmitter 4/20 mA.
- An electric cabinet including: the regulators, the protection of the pump and its command Wiring of the closed loop thanks safe jacks and wires.
- Mounted on a stainless steel frame with aluminium nut.
- 5 Process are possible.
- 1 – level control.
- Actuator : pneumatic valve.
- Sensor : pressure transmitter.
- Disruption : leak on the pipe , leak under the column.
- 2 – Flow control.
- Actuator : pneumatic valve.
- Sensor : Electronic flowmeter.
- Disruption : leak on the pipe
3 – Pressure control
- Actuator: pneumatic valve.
- Sensor: pressure transmitter.
- Disruption: leak on the pipe.
4 – Temperature control
- Actuator: immersion heater.
- Sensor: temperature probe.
- Disruption: by provision of cold water.
5 – regulation cascades of temperature/débit.
- Actuator: pneumatic valve.
- Sensor: temperature probe at the output of the heater and electronic flowmeter.
- Disruption: leak on the pipe, variation of the heater’s power
Dimensions and weight
- 1500 x 800 x 2100 mm.
- Weight: about 150 kg.
Essential requirements
- Electric power supply: 7 kW 380 V triphase.
- Compressed air: 6Nl/h, 6 bars.
Services nécessaires
- Consommation 0,37 kW – 220 V monophasé.
- Documentation pédagogique et technique.
