Study and operate a continuous flash evaporation process under reduced pressure

 


GENERAL SPECIFICATIONS


  • 60 L polyethylene feeding tank.
  • Stainless steel centrifugal pump
  • Stainless steel mono-tube pre-heater.
  • Evaporator, glass, ND 100, stainless steel condenser.
  • Shell and tube condenser.
  • Graduated glass receiver, 2L.
  • Stainless steel centrifugal pump, by-pass
  • Overheating exchanger
  • Cooling exchanger for steam condensate.
  • Graduated glass receiver, 2L.
  • Stainless steel centrifugal pump, draining valve.
  • Water circuitry.
  • Vacuum circuitry.
  • Steam circuit.

Instrumentation 

  • Nine Pt100Ω temperature probes.
  • Two manometers: 0/+4 bar and -1/0 bar.
  • Two absolute pressure transmitters: 0-2 bar and 0-2.5 bar.
  • A relative pressure transmitters: 0-2 bar.
  • A differential pressure transmitters: 0-100mbar.
  • A level capacitive sensor.
  • A level ultrasonic sensor.
  • A float flowmeter: 40 to 400 L/h.
  • A gear flowmeter: 0.5 to 50 L/h.
  •  A magnetic flow meter: 100 to 1000 L/h.

Study of the different technologies used

 

Study of the control loops

Pressure, vacuum, flow rate, level and temperature

 

Operate the evaporation process on aqueous product

Start‐up and warm up procedure

Monitor production and analyses material and thermal balance

Quality control by monitoring product density