VANDENS – DUJŲ ŠILUMOS MAINAI GAZ-LIFTO TIPO SKRUBERYJE

Paulius Rapalis, Vytautas Smailys, Vygintas Daukšys, Nadežda Zamiatina, Vasilij Djačkov

Abstract


In order to reduce sulphur oxide emissions from ships the SOX emission regulations in emission control areas shall be strengthenedand allow only 0,1% of sulphur in marine fuels since 2015. High price of this type of fuel forces ship owners to search for alternativemeans of reducing SOx emissions. Most rational measure is to use scrubber technology. Main type of scrubber that has been widelyanalysed is “shower „ type scrubber. How ever even with widely performed research of these scrubbers they still have somedrawbacks that are of most concern for the owners of small ships. Solution – gaz-lift type scrubbers. In order to improve and adaptgaz-lift type scrubber technology for cleaning of exhaust gases a thorough research has to be performed. Important part of this researchis heat exchange between gas and water in gaz-lift type scrubber. This is done with CFD software – Flow3D. The Simulationresults showed that the temperature of exhaust gases passing the scrubber dropped to around 300-350 k. this results matches theexperimental data, confirms the adequacy of calculation and provides basis for the further use of these models in gaz-lift scrubberresearch.

KEY WORDS: GAZ-LIFT, SCRUBBER, SOX, EXHAUST GAS CLEANING


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