F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/04 (2006.01) C21B 9/10 (2006.01) F02C 3/22 (2006.01) F02C 6/10 (2006.01)
Patent
CA 2093875
92B105/MW ABSTRACT AIR SEPARATION Air is compressed in a compressor 4. A minor air stream is taken from the compressor 4 and is cooled in a heat exchanger 12 by heat exchange with a pressurised stream of water. The cooled minor air stream is separated in a plant 30 into oxygen and nitrogen. Oxygen is supplied via a compressor 32 to a blast furnace 36 in which iron ore is reduced to iron and a low grade fuel gas is formed. The fuel gas is compressed in compressor 40 and is moisturised in a gas-liquid contact column 18 with water supplied from the heat exchanger 12. The moisturised fuel gas is supplied to a combustion chamber 6 and is burnt therein utilising the rest of the compressed air from the compressor 4. The resulting combustion gases are expanded in an expander a which is employed in the generation of electrical power.
Gowling Lafleur Henderson Llp
Rathbone Thomas
The Boc Group Plc
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