JPS6436085U

JPS6436085U -

Info

Publication number: JPS6436085U
Application number: JP12958287U
Authority: JP
Priority date: 1987-08-25
Filing date: 1987-08-25
Publication date: 1989-03-06

Description

[Brief explanation of the drawing]

第１図はこの考案に係る原料供給装置の一実施
例を示す縦断正面図、第２図は同上の原料供給筒
の横断平面図、第３図は従来の原料供給装置を示
す縦断正面図である。７……分級室、１２……原料供給筒、１５……
案内羽根、１６……二次空気流入路。 FIG. 1 is a longitudinal sectional front view showing an embodiment of the raw material supply device according to this invention, FIG. 2 is a cross-sectional plan view of the same raw material supply tube, and FIG. 3 is a longitudinal sectional front view showing a conventional raw material supply device. be. 7... Classification chamber, 12... Raw material supply tube, 15...
Guide vane, 16...Secondary air inflow path.

Claims

[Scope of utility model registration request]

A raw material supply cylinder is provided in the upper part of the classification chamber, and the raw material is supplied into the raw material supply cylinder and rotated, and the raw material moving downward is passed through the supply hole provided on the outer periphery of the lower part of the raw material supply cylinder into the classification chamber. In an air classifier that centrifugally separates fine powder and coarse powder by introducing the raw material into the material, a plurality of guide vanes are arranged in an annular manner around the outer periphery of the raw material supply cylinder, and the guide vanes are inclined in the rotating direction of the raw material. A raw material supply device for an air classifier, characterized in that a secondary air inflow path is provided that communicates the outside with the inside of a raw material supply cylinder.