FILTER-SEPARATOR Russian patent published in 2011 - IPC C10G33/06 

FIELD: process engineering.

SUBSTANCE: invention relates to filtration, namely, to liquid filters to clean hydrocarbon fluids from mechanical impurities and water, and may be used in chemical, petroleum, automotives and other industries. Proposed filter comprises casing divided by web into working zone and settler, carcass arranged in casing working zone and made up of truncated cone with its smaller base located in web central bore, two filtration layer from coagulating porous material one of them being located outside said carcass and pressed be perforated plates while another one is arranged inside said carcass and also pressed by said perforated plates. It comprises also inlet and outlet branch pipes and drain plug. Note here that it additionally comprises multi-coil flat spring arranged in filtration layer around carcass, between carcass surface and casing wall. Note here that spring ends thrust against relevant perforated plates.

EFFECT: longer coagulation of free water drops, higher efficiency of filtration.

2 cl, 1 ex, 1 dwg