有価金属回収方法及び回収システム

Japanese Patent JP7204590

B2

To reduce maintenance cost by effectively recovering a valuable metal from incinerated ash or the like and by suppressing vibration of a vertical roller mill or wear of a component of a mill.SOLUTION: A valuable metal recovery system 1 is provided with: a pulverizing system for pulverizing a waste such that a pulverized material having bulk density of 1.3 t/m3 or larger is obtained from the waste containing a valuable metal; and valuable metal recovery means for recovering the valuable metal from a pulverized material. The pulverizing system includes a vertical roller mill 3, and can obtain the pulverized material having the bulk density of 1.3 t/m3 or larger as mill stone. The valuable metal recovery means provided with a magnetic ore separator 4 for separating the mill stone into a magnetized material and a non-magnetized material and may recover the valuable metal from the non-magnetized material separated by the magnetic ore separator. The valuable metal recovery means includes a sieve separator 5 for separating the non-magnetized material into an oversize and an undersize and specific gravity separators 6, 8 for separating each of the oversize and undersize separated by the sieve separator into a light product and a heavy product, and can recover the valuable metal from each of heavy products separated by the specific gravity separator.SELECTED DRAWING: Figure 1

JPS51119602	A METHOD FOR TREATING METAL-CONTAINING POWDERS
JP5303786	How to reuse products generated in the steelmaking process

Tomonori Takemoto
Ko Takizawa
Yasumune Muto
Yasuyuki Ishida

JP2019114411A

January 16, 2023

June 20, 2019

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Taiheiyo Cement Co., Ltd.

C22B7/02; B03C1/00; B03C1/005; B03C1/02; B03C1/24; B09B3/30; B09B5/00

JP2001303143A

Nakai Jun

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