DIRECT-FLOW CYCLONE AND MULTICYCLONE AIR CLEANER Russian patent published in 2002 - IPC

FIELD: mechanical air cleaning; applicable in transport facilities and industry. SUBSTANCE: direct-flow cyclone has cylindrical casing, branch pipe for discharge of cleaned air in form of truncated cone with taper angle equaling 1.5-3 deg. Branch pipe is installed coaxially inside the cylindrical casing with clearance and secured with its large base to the casing base. The side wall of the cylindrical casing, above its base, have, at least, four through parts, spaced uniformly over the circumference. Installed on other end of the cylindrical casing is removable connecting flange with rigidly secured 3-8 blades of swirler made in form of truncated cone. The other ends of the blades rigidly secured to the washer. The direct-flow cyclones are mounted inside the multicyclone air cleaner made of major unit and additional unit. The units are rigidly interconnected and the additional unit is connected with a branch pipe for discharging caught dust. The ratio of cyclones in the major and additional units ranges for 9:1 to 12:1. EFFECT: increased volume of the cleaned air till 99%, increased service life of transport facilities. 2 cl, 6 dwg