Multivariable Control Vacuum Degassing

Circuit with pump for operation of the water jet pump
Level control with pneumatic control valve as actuator
Pressure control with pneumatic control valve in the circuit for operation of the water jet pump
Coupled level and pressure control in one vacuum tank
Level controller and pressure controller configurable and parameterisable with software
Water circuit with vacuum tank, collecting tank, pump and ambient air input device
Water jet pump to generate a negative pressure in the vacuum tank.

2 centrifugal pumps
Water jet pump: final vacuum: approx. 0,3bar
Max. flow rate: approx. 50L/min
Max. head: approx. 30m
Tanks
Vacuum tank: 19L
Collecting tank: 100L
Switching controller
P, PI or PID controller
Measuring ranges
Flow rate: 1x 200...2500L/h, 1x 0...360L/h
Pressure: -1...0,6bar
Level: 30...480mm.