EP 0283682 B1 19910724 - ROLLER MILL
Title (en)
ROLLER MILL
Publication
Application
Priority
- JP 6790787 A 19870324
- JP 6790887 A 19870324
- JP 17900587 A 19870720
Abstract (en)
[origin: EP0283682A2] The known roller mill associated with a rotary-type classifier is improved in a number of aspects. The improvements reside in that a downwardly convex flow-rectifying cone is disposed under the rotary type classifier and an upwardly convex slant plate for ejecting a sediment within the classifier is disposed above the flow-rectifying cone; that a baffle plate for hot air which covers a part of an upper side of a blow-up passageway of hot air provided along the outer circumferential portion of a turn table as spaced therefrom; or that the rotary classifier comprises a plurality of classifying blades disposed along generating lines of an inverse frusto-conical surface having a vertical axis and rotating about the axis to separate powder in a gas flow into fine powder and coarse powder, an angle formed between the classifying blade and a rotary radius is selected to be 30 DEG to 60 DEG , and an angle formed between the classifying blade and the rotary axis is selected to be 0 DEG to 40 DEG ; either singly or in combination.
IPC 1-7
IPC 8 full level
B02C 23/32 (2006.01); B02C 15/00 (2006.01)
CPC (source: EP)
B02C 23/32 (2013.01); B02C 2015/002 (2013.01)
Designated contracting state (EPC)
BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0283682 A2 19880928; EP 0283682 A3 19890405; EP 0283682 B1 19910724; AU 1358888 A 19880922; AU 585746 B2 19890622; CA 1317267 C 19930504; CN 1006852 B 19900221; CN 88101496 A 19881005; DE 3863803 D1 19910829; ES 2024560 B3 19920301; IN 170412 B 19920321
DOCDB simple family (application)
EP 88101623 A 19880204; AU 1358888 A 19880324; CA 558634 A 19880210; CN 88101496 A 19880322; DE 3863803 T 19880204; ES 88101623 T 19880204; IN 98MA1988 A 19880216