Batch Evaporation Crystallization

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Batch-Evaporation-Crystallization

Product Code: AECFE005

Batch Evaporation Crystallization Manufacturer

Batch Evaporation Crystallization

Main characteristics of the pilot

  • Main characteristics of the pilot.
  • Industrial instrumentation.
  • Flow switch of the condenser cooling water for operators safety.
  • Borosilicate glass and stainless steel AISI 316L manufacturing.
  • Rigid process pipes.
  • Product vacuum supply system for storing reagents.
  • Downwards dismantling of reactor vessel without dismantling upper section of reactor.
  • Temperature control unit with thermal oil medium.
  • Thermal oil medium or crystallization reactor temperature control.
  • Interchangeable stirring rotor.
  • ATEX variable speed stirring motor.
  • Liquid-ring vacuum pump (Option 1).
  • AISI 316L stainless steel bag filter (Option 2)

Teaching objectives

  • Study of the following experimental parameters.
  • Batch crystallization of a solution by evaporation then cooling.
  • Influence of operating conditions on crystallization of a solution.
  • Study of simple reactions under atmospheric or reduced pressure.
  • Study of reaction kinetics.
  • Study of reversible or irreversible reactions.
  • Study of evaporation.
  • Total reflux reactions.
  • Calculations:
  • Heat balance.
  • Mass balance.
  • Yields.

Technical specifications

Equipment:

  • Borosilicate glass feed tank for storing reagents, graduated with product vacuum supply system for filling reagents.
  • Cylindrical reactor: AISI AISI 316L stainless steel vessel, with insulated double jacket for heating by thermal oil medium and flush mounted drain valve; AISI AISI 316L stainless steel lid.
  • Variable speed stirring assembly made of AISI 316L stainless steel with inclined three-bladed rotor.
  • Reaction mixture cooling pipe coil made of AISI 316L stainless steel.
  • AISI AISI 316L stainless steel one-piece.
  • Borosilicate glass column head, with temperature plug.
  • Vertical condenser, borosilicate glass body, AISI 316L stainless steel coil heat exchanger.
  • AISI 316L stainless steel distillate heat exchanger.
  • Graduated borosilicate glass distillate receiver tanks.
  • Temperature control unit with thermal oil medium, with circulation pump and temperature control.
  • Insulated flexible hoses for heat transfer fluid feed.
  • AISI 316L stainless steel connecting tubes for the process and reinforced PVC for cooling fluid tube.
  • AISI 316L stainless steel vacuum piping for the various sub-assemblies on the general manifold.
  • Borosilicate glass vacuum trap.
  • Liquid-ring vacuum pump.
  • AISI 316L stainless steel bag filter operating under reduced pressure; capacity 20 litres.
  • Support framework with AISI 304L stainless steel tubes, aluminium connecting nuts and adjustable feet.

Instrumentation :

  • Cooling water feed to condenser fitted with variable area flowmeter with its adjusting valve and water flow switch to turn off heating in case of lack of cooling water.
  • Crystallization reactor cooling water feed chamber fitted with variable area flowmeter and its adjusting valve.
  • Distillate cooler cooling water feed fitted with variable area flowmeter and its adjusting valve.
  • Reflux flow measurement by variable area flowmeter.
  • Reactor and pilot plant pressure measurement by “Bourdon” type pressure gauges.
  • Command and control cabinet fitted with emergency stop, operating buttons and the following interfaces:

– Digital temperature indicator for crystallization reactor with Pt100 Ω type probe.
– Stirrer speed controller.
– Stirrer speed digital indicator.
– Two digital temperature indicators with six Pt100 Ω type probes.

Dimensions and weight

  • 1750 mm x 850 mm x 3000 mm ~ 300 kg.

Essential requirements

  • 400 V / 50 Hz / 3-phases + N: 10 kW.
  • Cold water 10°C / 3 bar: 2 m3/h.
  • Drain.
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