COANDA INJECTOR FOR CLEANING BUG FILTER

摘要

PROBLEM TO BE SOLVED: To provide a Coanda injector for cleaning a bug filter which can feed a large amount of air or high pressure air from the top of a bag filter toward an opening of an upper surface of the bag filter so as to sufficiently scrape off powder adhered to the external surface of the bag filter when powder in the bag filter is swept off.SOLUTION: There is provided a Coanda injector for cleaning a bag filter which comprises: an annular member having an injection slit for injecting compressed air on the periphery of the inner diameter; and a cylindrical member which is located on the same axis at a lower part of the annular member and feeds amplified air accompanied by air induced from above in primary air to the bag filter. The shape of the injection slit is designed to inject the primary air downward from a horizontal surface.