GAS FILTER Russian patent published in 2012 - IPC B01D47/02 B01D45/08 

FIELD: process engineering.

SUBSTANCE: invention relates to oil industry and may be used for cleaning petroleum associated gas at oil fields. Gas filter comprises casing with roily gas feed branch pipe and clean gas discharge branch pipe, coarse and fine cleaning chambers. Said chambers are separated by web not extending to casing bottom. Vanes are arranged in fine cleaning chamber. First vane is arranged opposite inlet branch pipe at 40-50° to gas flow direction. Other vanes are secured on the chamber opposite walls at 85-95° to previous vane, one under the other, with clearance between the vane and opposite wall. Inclined gauzes covering the chamber entire area are arranged inside fine cleaning chamber. Said gauzes are arranged one above the other and feature aperture size decreasing from bottom gauze to top one. Accumulator tank is arranged under said chambers and provided with controlled bottom branch pipe and fluid level control system. Gas filter is furnished with heated jacket with inside temperature control system.

EFFECT: higher efficiency of filtration.

1 dwg