Method of combusting aluminium and system therefor
AssigneeSaab AB
InventorUlf BENGTSSON
Life of this patent
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Abstract
A system and method of combusting aluminium comprising i) feeding aluminium wire to a substantially oxygen-free furnace comprising a. a first low-temperature section in communication with b. a second high-temperature section ii) forming aluminium particles with an average particle size ranging from 1 μιη to 200 μιη from said aluminium wire in said first section iii) feeding water and/or steam to said first and/or second section to provide an oxidizer for oxidizing said aluminium particles in the second section iv) conveying aluminium particles from the first section to the second section v) oxidizing said aluminium particles in the presence of steam in said second section.
Claims20
Method of combusting aluminium characterized in that the method comprises
- i) feeding aluminium wire to a substantially oxygen-free furnace comprising
- a. a first low-temperature section in communication with
- b. a second high-temperature section
- ii) forming aluminium particles with an average particle size ranging from 1 μιη to 200 μιη from said aluminium wire in said first section
- iii) feeding water and/or steam to said first and/or second section to provide an oxidizer for oxidizing said aluminium particles in the second section
- iv) conveying aluminium particles from the first section to the second section
- v) oxidizing said aluminium particles in the presence of steam in said second section.
System for oxidizing aluminium characterized in that it comprises a substantially oxygen-free furnace comprising
- i) a first low-temperature section adapted for maintaining a temperature ranging from 300 to 1000° C. in communication with
- ii) a second high-temperature section adapted for oxidizing aluminium at a temperature ranging from 1300 to 3500° C.
- iii) means for feeding aluminium wire to said first section at a controlled speed
- iv) inlet for receiving aluminium wire to said first section
- v) means for forming aluminium particles ranging from 1 to 200 μιη from said aluminium wire (11) in said first section
- vi) means for feeding water and/or steam to said first and/or second section of the furnace
- vii) inlet for receiving water and/or steam to the furnace
- viii) means for oxidizing the aluminium particles in the presence of steam in the high-temperature section of the furnace to provide aluminium oxide.
Dependencies are inferred from the claim text.