DEVICE FOR PRELIMINARY CLEANING OF GASES IN ELECTROSTATIC PRECIPITATOR Russian patent published in 1999 - IPC

FIELD: gas cleaning. SUBSTANCE: the device comprises a prechamber with dust-discharge bins located between the diffuser with gas conduit and electrostatic precipitator, gas-distributing grating located inside the prechamber and whose members are arranged in two rows. The members of the first row of the gas-distributing grating are furnished with a deflector, whose convex camber faces the gas flow, they are made in the form of movable joints of the pipe-in-pipe type and grouped in the upper and lower sections consisting of their pipes hinge- joined in supports. The members of the second row are made in the form of S-shaped louvres and one central louvre, the louvres are secured on axles staggered relative to the members of the first row, and directed at an angle relative to the cross-sections plane of the prechamber in both sides from the louvres, and each louvres furnished with a position fixing assembly. The device comprises also a frame with horizontal guides, assembly of horizontal and vertical movement of the deflector with drives independent of each other, position fixing assemblies, respectively. EFFECT: enhanced efficiency both of preliminary gas cleaning of dust, and electrostatic precipitator on the whole. 3 cl, 10 dwg