PRESSURE FILTER FOR LIQUID PURIFICATION Russian patent published in 2008 - IPC B01D24/10 

FIELD: technological processes, filters.

SUBSTANCE: invention is related to pressure filters with granular bed, which is intended for liquid purification from dissolved and suspended substances, and may be used in power, chemical, food and other industries, and also in municipal engineering. Pressure filter consists of cylindrical casing with elliptical bottoms, drain bottoms that are mechanically joined to each other with the help of rods, and granular bed that is installed between drain bottoms with drain caps. Drain bottoms are additionally mechanically joined to elliptical bottoms in direction of liquid flow that passes through the filter with the help of two central stands, every of which is mounted on drain bottom and on elliptical bottom at the flange of central inlet or outlet opening of filter and is made in the form of dismountable structure including flanged perforated cartridge, perforated sleeve, compensation bushing with right and left external thread.

EFFECT: reduction of filter metal intensity.

2 dwg