ENCON Slurry Dryer Process Description

Typical Operation

SlurryFlowDiagram

 

Stage 1: Initial Fill

  1. Slurry or sludge is pumped or gravity fed into the Slurry Dryer until the Auto Level Probe is covered.
  2. Thermal oil begins circulating through the jacket of the dryer vessel and the PLC energizes the thermal oil heater and slurry mixing paddle.

Stage 2: Evaporation

  1. The slurry is heated to a boil and water is driven off as vapor.
  2. As the water vapor is driven off, the liquid level will gradually fall below the Auto Level Probe.  After a set time period, the system will refill itself up to the Auto Level Probe.
  3. This process will continue until either the timed cycle end-point or high slurry temperature set-point is reached.

Stage 3: Drying

  1. The auto-fill sequence is disabled and the slurry continues to be heated and mixed until adequate moisture is removed.
  2. Upon reaching final slurry dryness target, the system is ready to be discharged into a disposal container positioned below the Slurry Dryer tank.

 

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