DEVICE FOR ACTIVATING SUSPENSION PRESS FILTER Russian patent published in 1995 - IPC

FIELD: chemistry. SUBSTANCE: device has U-shaped housing, removable cover, tubular filtering element spaced from the housing along its axis, removable diaphragm coaxially located between the housing and the filtering element, exhaust and pressure unions. The device also has a compartment in whose lower part liquid under pressure encounters; over the surface of the liquid there is a gas containing space. The device is provided also with a pipe through which liquid under pressure is fed from the lower part of compartment to the space between the housing and the diaphragm; pressure pump for the first pipeline; second pipeline connecting the space between the housing and the diaphragm with the gas containing space of compartment; exhaust pump to create low pressure in the gas containing space; maximal and minimal level controlling sensors with switches to switch-on and off exhaust and pressure pumps, respectively. EFFECT: improved design.