Concentrate burner of copper smelting furnace and operation method of copper smelting furnace
AssigneePan Pacific Copper Co., Ltd.
InventorsTatsuya Motomura, Yuki Soma
Life of this patent
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Abstract
A concentrate burner provided over a reaction shaft of a copper smelting furnace, is characterized by comprising: a raw material supply portion that supplies a starting material into the reaction shaft, the starting material including copper concentrate; and an additive supply portion that is provided separately from the raw material supply portion and supplies solid additive to the starting material.
Claims6
A concentrate burner provided over a reaction shaft of a copper smelting furnace, comprising:
- a raw material supply portion having a first passage that extends in a vertical direction and supplies a starting material into the reaction shaft via the first passage, the starting material including copper concentrate;
- a chute that is provided over the raw material supply portion, is inclined with respect to the first passage, and supplies the starting material to the first passage;
- and
- an additive supply portion that is provided separately from the raw material supply portion and has a second passage for supplying a reducing agent to the starting material of the chute,
- wherein the second passage is connected to the chute over the raw material supply portion.
An operation method of a copper smelting furnace, the furnace including a concentrate burner that has a raw material supply portion having a first passage that extends in a vertical direction and supplying a starting material including copper concentrate into a reaction shaft via the first passage, a chute that is provided over the raw material supply portion, is inclined with respect to the first passage, and supplies the starting material to the first passage, and an additive supply portion that is provided separately from the raw material supply portion and has a second passage for supplying a reducing agent to the starting material of the chute, the concentrate burner being provided over the reaction shaft, the second passage being connected to the chute over the raw material supply portion,
- the method comprising:
- mixing the starting material and the reducing agent in the chute.
Dependencies are inferred from the claim text.