DUST COLLECTING DEVICE Russian patent published in 1994 - IPC

FIELD: air cleaning. SUBSTANCE: dust-collecting device has housing with dust collectors, inlet branch pipe and settling chambers with height increasing in direction of flow. Outlet trunk is arranged on top of last chamber in direction of air flow. Device has two partitions perforated over entire length. Holes in first partition are arranged over its entire height in rows, in staggered order. Holes in second partition, like those in first partition, are made in upper part arranged over first partition. Inlet branch pipe is made in form of diffuser and is installed on top of first chamber. Summary area of holes in each chamber is 2.5 times less than cross-section area of chamber. EFFECT: enlarged operating capabilities. 2 cl, 2 dwg