MEMBRANE MODULE Russian patent published in 2011 - IPC B01D63/06 B01D29/52 

FIELD: process engineering.

SUBSTANCE: invention relates to water treatment. Proposed membrane module comprises casing, filtration elements arranged inside said casing on tube plate with the help of unions with their spaces communicated with hydraulic accumulator chamber and filtration element spaces, bottom feed branch pipe, hydraulic accumulator made up of vessel arranged under casing, feed branch pipe displaced toward casing wall relative to its lengthwise axis, tube plate attached from below to hydraulic accumulator and distributing grid with orifices. Feed branch pipe, lateral and bottom discharge branch pipes are provided with valves. Filtration elements consist of cylindrical porous substrate and nanostructured membrane arranged on outer lateral surface of the latter. Guide plate is arranged under tube plate to form therewith a flat slit-like channel. Lower ends of filtration elements are embedded into appropriate orifices of distributing grid to form annular channels there between. Division shell is arranged inside the casing along its inner lateral surface to form there between an annular channel. Top part of division shell is jointed with guide plate edges.

EFFECT: efficient filtration, longer life.

7 cl, 4 dwg