Abstract: The invention relates to the iron and steel industry, in particular to batch charging into shaft, mainly blast furnaces. The inventive rotary batch distributor for shaft furnaces comprises an axle platform (1) and blades (2) which are equally spaced around the platform and are fixed thereto by means of brackets (3). The surface of each blade is embodied in the form of an involute of a truncated cone and consists of trapezoidal sections (4). The tilting angles of the trapezoidal sections with respect to the rotary batch distributor axis and to a horizontal plane are defined by the involutes (5) of truncated cone which are focused at the same point of the rotary batch distributor axis. The surface area of each blade is defined by the sector angle value ranging from 90 to 120° and by the radius of the describe circle of the rotary batch distributor. The end part (6) of the blade whose surface area is equal to 0.05-0.

Abstract: The invention relates to the iron and steel industry, in particular to batch charging into shaft, mainly blast furnaces. The inventive rotary batch distributor for shaft furnaces comprises an axle platform (1) and blades (2) which are equally spaced around the platform and are fixed thereto by means of brackets (3). The surface of each blade is embodied in the form of an involute of a truncated cone and consists of trapezoidal sections (4). The tilting angles of the trapezoidal sections with respect to the rotary batch distributor axis and to a horizontal plane are defined by the involutes (5) of truncated cone which are focused at the same point of the rotary batch distributor axis. The surface area of each blade is defined by the sector angle value ranging from 90 to 120° and by the radius of the describe circle of the rotary batch distributor. The end part (6) of the blade whose surface area is equal to 0.05-0.