Title:
CRUSHER FOR SEPARATING AGGREGATE FROM CONCRETE WASTE AND PLANT
Document Type and Number:
Japanese Patent JP2017094295
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a crusher for separating an aggregate from a concrete waste which has a good productivity at a low cost, and a plant.SOLUTION: A crusher comprising a conical rotor 26, and a skirt-shaped cover 30 which is so located as to cover the whole of a conical surface 28 of the conical rotor 26. A clearance formed between the skirt-shaped cover 30 and the conical surface of the conical rotor 26 is so configured as to be gradually reduced to about a particle diameter of an aggregate from an upper end of the conical surface 28 toward a lower end thereof. A concrete waste lump is introduced from an upper end side of the crusher, the aggregate and a cement 18, which are contained in the concrete waste lump, are dropped along the conical surface and are discharged from a lower end of the crusher. Thereafter, the cement 18 is separated by screening units 38, 39, and further, a mechanical impact is given to the remaining aggregate, thereby removing the cement.SELECTED DRAWING: Figure 2
Inventors:
MORIYAMA KENTOKU
Application Number:
JP2015230413A
Publication Date:
June 01, 2017
Filing Date:
November 26, 2015
Export Citation:
Assignee:
DAISHIN SANGYO CO LTD
International Classes:
B02C2/10; B07B1/00; B09B3/00; B09B5/00; C04B14/02; C04B18/16
Attorney, Agent or Firm:
Yuji Kato