Concentrate burner of copper smelting furnace and operation method of copper smelting furnace
US11499781B2 · kind B2 · utility
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1References
6Claims
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Key dates
| Filing date | Aug 23, 2017 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Jun 28, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2003/168
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.