Title:
TREATMENT OF COPPER-REFINING INTERMEDIATE PRODUCT AND WASTE BRICK
Document Type and Number:
Japanese Patent JP2000262920
Kind Code:
A
Abstract:
To provide a method for stably crushing a refining intermediate product and a waste brick to the particle size suitable to the repeat use to a refining furnace by using an existing crusher and ball mill and eliminating the engagement with copper metal by the crusher.
Before supplying the matter to be treated to a crusher 3, the copper metal detected by a metal detector 7 utilizing eddy current is removed from the matter to be treated, and the removed copper metal is supplied to the ball mill as an alternate of a ball. The upper limit and the lower limit of sensitivity are adjusted by adjusting the eddy current strength of the metal detector 7.
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Inventors:
NAKAMURA IICHI
SAWADA MITSURU
MATSUMOTO HARUKIYO
SAWADA MITSURU
MATSUMOTO HARUKIYO
Application Number:
JP7470499A
Publication Date:
September 26, 2000
Filing Date:
March 19, 1999
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
B02C17/20; B02C23/08; C22B1/00; C22B7/00; C22B15/00; (IPC1-7): B02C23/08; B02C17/20; C22B1/00; C22B7/00; C22B15/00
Attorney, Agent or Firm:
Masao Yamamoto