DUST SEPARATOR Russian patent published in 1994 - IPC

FIELD: gas cleaning. SUBSTANCE: dust separator has body 1, inlet pipe 2, outlet pipe 3, dust discharge pipe 4 and bin 5. Outlet pipe 3 is provided with tape helix whose coiling direction is opposite to direction of movement of gas vortex. The beginning and end of tape helix are positioned on inlet pipe side, angle of inclination of helix 6 to horizontal plane is equal to 2-2.5 deg, helix 6 has one coil, height of tape of helix 6 is equal to 0.04-0.08 of width of slit between outlet pipe 3 and cylindrical part of body 1, height of inlet pipe 2 is equal to 0.9-0.96 of length of part of outlet pipe 3 positioned in body 1, diameter dust discharge pipe is equal to 0.1-0.2 of diameter of outlet pipe 3. EFFECT: enhanced purifying capability. 6 cl, 2 dwg