LIQUID PURIFYING PLANT Russian patent published in 1999 - IPC

FIELD: multistage liquid purification. SUBSTANCE: the plant has at least one purifying stage in the form of a filter, which has a body, located on whose one end is a pipe connection for feeding of impure liquid, on the other end - a pipe connection for discharge of liquid, it accommodates at least one filter element, and a pipe connection for discharge of under- purified liquid. The plant is furnished with a reservoir, whose body carries a pressure-operated valve, and positioned inside the body is a member with varying volume and open neck connected through a T-joint to the pipe connection for discharge of liquid from the filter body, and a drain cock for purified water. EFFECT: enhanced service life at a high quality of liquid purification. 9 cl, 4 dwg