F - Mech Eng,Light,Heat,Weapons – 28 – C
Patent
F - Mech Eng,Light,Heat,Weapons
28
C
165/4
F28C 1/00 (2006.01) B01D 47/00 (2006.01)
Patent
CA 1043693
PROCESS FOR TREATING FLUE GAS FROM FURNACE ABSTRACT OF THE DISCLOSURE When a flue gas from furnace, especially an incinerator is discharged to atmosphere after wet scrubbing, the flue gas having a high water vapor content, for example 30% by volume of water vapor or more, resulting from the scrubbing, is contacted with a large amount of cooling water, thereby cooling the flue gas down to a lower temperature, nearly the atmospheric air temperature, thereby bringing the water vapor content in the flue gas to the corresponding saturation con- dition and then the flue gas is discharged to the atmosphere. Then, the dehumidified flue gas is heated, if the heating is necessary according to the cooling temperature or climatic conditions. Cooling water running through a dehumidification is preferably cooled through contact with the atmospheric air and recycled. Generation of white smoke from the flue gas can be prevented thereby, and also dusts can be caught from the flue gas. Furthermore, heating can be omitted before discharging the flue gas to the atmosphere, or fuel consumption can be largely reduced, even if the heating is carried out.
208349
Ihara Satoshi
Yamamoto Hiromitsu
LandOfFree
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