F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
F27B 3/22 (2006.01) C22B 7/00 (2006.01) C22B 15/00 (2006.01) C22B 21/00 (2006.01) F27B 3/04 (2006.01) F27D 17/00 (2006.01) F27D 99/00 (2010.01) F27D 23/00 (2006.01)
Patent
CA 2086253
2086253 9201074 PCTABS00010 The noxious fumes leaving the dry hearth chamber (112) of a metal recovery furnace (102) are fed to an incinerator (106) where they are burnt at high temperature with oxygen. The hot, clean exhaust gas is introduced to the bath chamber (111) of the furnace (102). This arrangement typically saves 60 % of fuel costs. Furthermore, since the fumes are recycled the exhaust emission to atmosphere simply reflects the input of fuel and oxygen. This can be nearly one eighteenth of a conventional plant thereby reducing filter and/or scrubber duty and stack size. This arrangement thus has particular advantages in fuel conservation and conservation of the environment. It enables metals to be recycled in an installation which produces little pollution and which utilizes the heat available in the waste material to conserve fuel.
Air Products And Chemicals Inc.
Mcfadden Fincham
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