PULVERIZING FAN (OPTIONS) Russian patent published in 2018 - IPC B02C13/00 

FIELD: ventilation.

SUBSTANCE: invention relates to the field of pulverization and can be used, for example, during the preparation of solid fuels for burning in thermal power stations. Pulverizing fan of the first embodiment comprises an inlet 1 connected to fuel supply line of coal 2 and inlet union 3 adjacent to coachlear body 4. In body 4 there is blade wheel 5 with grinding blades 6, and on the body 4 there is a separator 7 with a return line of unground fuel 8 and an outlet of finished dust 9. At the same time, fuel supply chutes are installed in inlet union 3 at different altitude levels in relation to the grinding blades 6 of blade wheel 5. In front of the fuel supply gutters, a distributor plate is arranged along the fuel path. In the second variant, fuel distributors are installed in front of the distributor plate, while the fuel distributors are installed parallel or perpendicular to the fuel flow.

EFFECT: technical solution of the mill makes it possible to distribute the fuel flow more evenly over the width of the inlet union, which ensures the supply of fuel to greater number of grinding blades and, as a result, reduces the specific fuel load per blade, and the use of fuel distributors allows evenly distribute fuel particles along the width of the inlet union.

4 cl, 4 dwg