Author(s)

J. Kirkiewiczf & J. Chrzanowskf

Abstract

The air taken from the ship surroundings for the purpose of ventilation or air conditioning is contaminated by dust during cargo-handling operations. The dust harmfully affects both the crew and ship machines, particularly the engines which suffer from faster wear and tear. Single - stage air dust seperators have certain disadvantages: depending on then- type, at high dust concentration they get choked easily and do not separate the smallest particles. The developed and tested design is a two-stage system. The first stage consists of an axial cyclone with the inclination angle of the blades selected so that small flow resistance can be obtained at large separation capacity. It is used to separate larger dust grains. The sec

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