The RAF II utilizes two techniques to remove dust: cyclonic separation and media filtration
The RAF II utilizes two techniques to remove dust: cyclonic separation and media filtration. Dust laden air enters the filter through a low involute inlet (1) where it meets a deep particle deflector (2). This combination causes a cyclonic downward deflection of larger particles to the hopper.
This separation step allows for very heavy dust loadings, reduces abrasion and lowers the energy requirement for removing remaining particles.
The air then passes through the filter bags (3) which filter out the remaining fine particles. The now clean air flows into a clean air plenum (4) and exits through an outlet duct for recycling or venting to atmosphere. The dust captured on the filter media is discharged into the hopper by the reverse air cleaning mechanism (5).
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