APPARATUS FOR TWO-STAGE PURIFICATION OF AIR FROM DUST Russian patent published in 2004 - IPC

FIELD: purification of air of dust; dust collectors with grain filter medium.

SUBSTANCE: proposed apparatus includes dry inertial purification unit located above filter, filter with filter element which is mounted at spaced relation inside filter housing and made in form of two coaxial louvers directed towards dust discharge unit with grain filter medium inside them, dust discharge unit, branch pipes for delivery of dust-laden air and discharge of purified air; body of dry inertial purification unit is connected with filter element by means of slots; this unit is also connected with central part of filter by means of additional purification device made in form of air intake with separating cone, louvers and adapter bush.

EFFECT: enhanced efficiency; reduction of time required for charging; reduced hydraulic resistance.

2 dwg