Eco-Techno SRL.

- Model DPE HP Series - Low Temperature Vacuum Evaporators with Heat Pump



Distillation throughput from 10 to 105 L/hour. Low temperature vacuum evaporator with heat pump, powered with electrical energy. Suitable for all industries with small flows of water and wastewater, where simple maintenance and low management costs are required. Detachable boiling vessel with large evaporating area ideal for foamy liquids, submersed heat exchanger, side-condensation section, full automatic operation with PLC and touch screen. Automatic cleaning. Standard manufacturing in 1.4401/1.4404 (AISI316/316L) or special alloys for hazardous liquids.

  • ECO DPE HP series is particularly suitable for:
  • oily emulsions, wastewater from vibratory-finishing, exhausted baths
  • wastewater from pressure die-casting (release agents, glycols, lubricant oils)
  • wastewater from galvanization (chromium, nickel, copper), exhausted baths, eluates
  • recycling of exhausted baths
  • treatment of high foamy liquids
  • treatment of all water-based solutions

  • En-bloc skid made of austenitic steel.
  • Boiling vessel, fitted with low-side flanged section for the housing of toroidal heat exchanger, complete with manhole and inspection sight glass.
  • Digital and analogue control instrument for the automatic monitoring of the system.
  • The steam condensation section is complete with heat exchanger and cooling circuit.
  • The condensation side splitting allows the maximum exploitation of the evaporation area, reducing the entrainment effects, for a better quality of the condensate.

  • Automatic circuit for condensate discharge and vacuum generation, composed of centrifugal pump, Venturi ejector, condensate storage and cooling tank, complete with heat exchanger, check valves, digital and analogue control, monitoring instrument.

  • The cooling unit features a heat pump made by a main refrigerant unit, complete with process compressor, eco-friendly driven, sub-cooling battery, heater fans, filters, pressure switches, pressure senders, gas flow indicators, de-super-heater.
  • Additional cooling unit (from model ECO 1500 DPE-HP) complete with auxiliary compressor, control equipment, filters.

  • Automatic circuit for recirculation and discharge of the concentrate, complete with extraction pump, pneumatic and manual shut-off valves for taking product samples during processing.
  • The automatic discharge function is programmable through an adjustable density control device or by a timer for a complete customization of the process.

  • Automatic system complete with foam formation sensor and variable setting control. The circuit allows the automatic injection of antifoam products inside the evaporator: the quantity of injected antifoam is adjustable by the control panel according to the actual needs.

  • Siemens PLC control unit and control panel
  • Electrical panel in painted sheet, protection IP 54
  • Automatic overload cutout for all motors
  • 24 volts auxiliary circuit
  • Wiring made in flame proof cables
  • Level control regulators for tanks and outside reservoirs level.

  • The automatic system is complete with pneumatic valve and rotating nozzle. The circuit allows the release of cleaning agents inside the evaporator: the wash cycle time can be adjusted from the control panel according to the actual needs.

  • Concentrate extraction system and hydrometer for concentration determination
  • Fully automatic operation (working cycle 24 hours/day without man presence )
  • Very compact structure
  • Absence of emissions and odors
  • No additional installation required
  • Total control by PLC
  • Immersion heat-exchanger
  • Side condensation unit
  • Wastewater inlet, distillate and condensate outlet automatically
  • Pull-out boiling and condensation chambers
  • Main frame and condensation chamber made in stainless steel Aisi 316
  • Voltage: 3 x 400 / 50 Hz + neutral

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