MULTISTAGE DUST SEPARATOR Russian patent published in 1994 - IPC

FIELD: cleaning of gases from dust. SUBSTANCE: cap 4 of cylindrical-conical case 1 has hole made along its axis; the lower end of cylindrical collector 8 is connected to the cap along the generating line of the hole. Lower edge of inlet pipe 7 is disposed in cylindrical part of the case. Any cyclone 5 has inlet pipes 10 connected with collector 8 and the second cyclone 6 connected with cyclone 5 in series and disposed in spaces between adjacent cyclones 5. EFFECT: improved efficiency. 2 dwg