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Skill Up - M2 - Waste reactions & kiln sections

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Created on March 11, 2021

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Transcript

Rotary Kiln technology & implementation

Waste reactions & kiln sections

Learn more about each section

The drying section: Water contained in the solids is vaporised under high temperature atmosphere

The ash section: The solids don't contain anymore significant organic matter

The combustion section: The solids are transformed into gas which burns with the oxygen

Liquid and gas wastes reactions principle in rotary kiln

Animation

high calorific value liquid

For (example: solvants), the reactions are vaporization and combustion.

For high and low calorific value liquid mix, both combustion and vaporization can take place

low calorific value liquid

For (ex: contaminated water), the reaction is vaporization.

Some typical throughputs in a rotary kiln :

  • Solid waste: 3 to 5 t/h
  • Low Net calorific value liquid waste: 1 to 3
  • High Net calorific value liquid waste: 0 to 1
  • Maximum batch load for LNCV liquid: 30 Kg
  • Maximum batch load for HNCV liquid: 15 Kg

12mx4m

t/ht/h