HOSE FILTER Russian patent published in 2019 - IPC B01D46/02 B01D46/52 B01D29/11 

FIELD: technological processes.

SUBSTANCE: invention relates to dry gas cleaning of dust and can be used in petrochemical, cement industry, ferrous and non-ferrous metallurgy, heat engineering. Hose filter comprises a filter element consisting of a device for attachment to the filter body in the upper part using a hose plate and a device for attachment to the body in the lower part by means of a corrugated filtering cloth, a sleeve, a branch pipe and a lower distributing pipe. Carcass rests on hose plate and is made in upper section with reduction of diameter. Length of frame with initial diameter is 30–50 mm, distance from level of hose plate to connection point of upper and next section of frame is 190–300 mm. End of carcass in lower section is made in form of ring with outer diameter equal to smaller diameter of carcass. Ring is installed in the barrel with possibility of movement along the axis of the carcass.

EFFECT: reduced dimensions of hose filter, longer service life and efficiency of cleaning.

3 cl, 1 dwg