DeNox installation 27/11/2018.

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Presentation transcript:

DeNox installation 27/11/2018

DeNox chemical reaction 4 NO + 4 NH³ + O² → 4 N² + 6 H²O of 2 NO² + 4 NH³ + O² → 4 N² + 6 H²O 27/11/2018

ESP working principle KV Discharge Elektrode Collector plate Rapping system 27/11/2018

ESP cross section 4 Hoogspanningskamers Ophanging van de collectorelektroden Ophanging van de ontladingselektroden Diffusor II zone IV zone I zone III zone Confusor Vzone Collectorelektroden Ontladingselektroden Serviceplatforms Storttrechters 4 27/11/2018

Chemical reaction Flue gas desulferization 2CaO + 2SO2 + O2 + 2H2O => 2CaSO4•2H2O ↓ ↓ ↓ ↑ Solution Absorbtion Solution precipitation CaCO3 + SO2 + 2H2O + ½ O2 → CaSO4• 2H2O + CO2 27/11/2018

Flue gas desulferization (FGD) Absorber Purified flue gas Droplet separator Sprayer level 5 Sprayer level 4 Sprayer level 3 Sprayer level 2 Raw flue gas Sprayer level 1 Oxidation air inlet Strirrer Suction filter 27/11/2018