CONFUSER DUST CONCENTRATOR Russian patent published in 2011 - IPC F23K1/00 

FIELD: power industry.

SUBSTANCE: confuser dust concentrator includes housing with cover, inlet particle deflector arranged in lower part of the housing and having the inlet wall inclined to the housing wall so that inlet confuser channel is formed in it, and outlet wall inclined to housing axis, additional particle deflector located with an annular gap above inlet particle deflector and having the inlet wall inclined to the housing wall so that additional confuser channel is formed in it, discharge branch pipe of poor mixture, which is arranged on the housing cover along its axis, and discharge branch pipe of rich mixture, which is connected to the housing through additional confuser channel. Dust concentrator is equipped with additional discharge branch pipes of rich mixture; all discharge branch pipes of rich mixture are located symmetrically in a circumferential direction around the housing cover and are connected to additional confuser channel through closed channel; additional deflector is equipped with outlet wall inclined to the housing axis and with the shell arranged inside additional deflector and connected to its inlet and outlet walls; at that, the section of its upper outline is made so that it envelopes in plan view the inlet section of discharge branch pipe of weak mixture, and section of its lower outline is arranged above surface of outlet wall of inlet deflector or crosses it. Maximum cross section of outlet wall surface of inlet deflector is made so that it envelopes in plan view the section of lower outline of the shell. Discharge branch pipe of weak mixture is provided with outer shell with possibility of its movement inside the housing along its axis. Closed channel is equipped with turning blades.

EFFECT: improvement of dust concentrator design.

4 cl, 5 dwg