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Found results for
 patents
1.
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METHOD AND SYSTEM OF REMOVING ACCRETION BUILDUP IN A FURNACE
| Application Number |
US2011039428 |
| Publication Number |
2011/156359 |
| Status |
In Force |
| Filing Date |
2011-06-07 |
| Publication Date |
2011-12-15 |
| Owner |
- PRAXAIR TECHNOLOGY, INC. (USA)
- KENNECOTT UTAH COPPER CORPORATION LLC (USA)
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| Inventor |
- Deneys, Adrian, C.
- Manley, Stephen, A.
- Mahoney, William, J.
- Albrecht, Kevin, W.
- Cates, Jesse, E.
- Enriquez, Arsenio, C.
- Wright, Kyle Brent
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Abstract
A method and system for method for removing solid accretions from a copper anode or holding furnace using coherent jet lance assembly directed towards the solid accretions in the bottom portion of the copper anode furnace to melt the solid accretions over an extended period of time without damage to the furnace refractory proximate a point of stream impingement.
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2.
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COPPER ANODE REFINING SYSTEM AND METHOD
| Application Number |
US2011025002 |
| Publication Number |
2011/103132 |
| Status |
In Force |
| Filing Date |
2011-02-16 |
| Publication Date |
2011-08-25 |
| Owner |
- PRAXAIR TECHNOLOGY, INC. (USA)
- KENNECOTT UTAH COPPER CORPORATION LLC (USA)
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| Inventor |
- George, David, B.
- Enriquez, Arsenio, C.
- Deneys, Adrian, Christian
- Mahoney, William, John
- Masterson, Ian, Francis
- Manley, Stephen
- Cates, Jesse
- Albrecht, Kevin
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Abstract
A method and system for the copper anode refining is provided in which coherent jet technology is employed to heat the molten blister copper and/or melt scrap copper charges using a melting flame, oxidize the sulfur in the molten blister copper, and reduce the oxygen in the molten blister copper using top-blown coherent jet gas streams from one or more multi-functional, coherent jet lance assemblies. The present system and method employs a microprocessor-based controller operatively controlling the flow of an oxygen-containing gas, an inert gas, a reducing agent and a fuel to the coherent jet lance. The disclosed copper anode refining system and method greatly improves copper production while lowering oxidation /reduction cycle times and minimizing NOx emissions.
IPC Classes ?
- C22B 9/05 - Refining by treating with gases, e.g. gas flushing
- C22B 15/04 - Obtaining copper in reverberatory furnaces
- C22B 15/14 - Refining
- C21C 5/46 - Details or accessories
- F23D 14/32 - Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
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