Title:
PRODUCTION METHOD OF RECYCLED AGGREGATE
Document Type and Number:
Japanese Patent JP2018094493
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a production method of a recycled aggregate, which is a method for producing the recycled aggregate from a concrete waste, the method enabling aggregate to be surely recovered from the concrete waste and enabling high-quality recycled aggregate to be produced.SOLUTION: The production method of a recycled aggregate comprises: a crushing-selection step 1 of performing crushing processing on a concrete waste into a concrete mass of 40 mm or less using a crusher, and removing an iron scrap using a magnetic separator; a kneading step 2 of further performing crushing processing on the concrete mass using a jaw-crusher type concrete mass processing device and kneading the obtained crushed concrete mass, thereby obtaining a crushed material; and a screening step 3 of performing screening processing on the crushed material, thereby obtaining a coarse aggregate of 40-5 mm; and a washing-classifying step 4 of performing water-washing processing and classifying processing on the coarse aggregate.SELECTED DRAWING: Figure 1
Inventors:
ITO TAKEO
MORI KENJI
MORI KENJI
Application Number:
JP2016240429A
Publication Date:
June 21, 2018
Filing Date:
December 12, 2016
Export Citation:
Assignee:
KOMAKI KOGYO KK
International Classes:
B09B5/00; B02C1/02; B02C1/04; B02C21/00; B03B5/00; B03B7/00; B03C1/00; B03C1/02; B03C1/16; B07B1/00; B07B1/22; B09B3/00; C04B18/16
Attorney, Agent or Firm:
Kazuhiko Okada