Vaporizing and concentration drying apparatus and method

Details Vaporizing and concentration drying apparatus and method Vaporizing and concentration drying apparatus and method

C - Chemistry, Metallurgy

02

F

C02F 1/04 (2006.01) B01D 1/00 (2006.01) B01D 1/28 (2006.01) B01D 3/02 (2006.01) C02F 11/00 (2006.01)

Patent

CA 2177161

Vaporizing and concentration drying apparatus and method are disclosed. The apparatus and method prepare good quality of condensed water and save evaporation energy and are wide used in making contamined waste water become distilled water and in purification of the waste water and in concentration and drying of varieties of environmental polluting sludge. The apparatus and method recover and reuse the heating energy, which energy was applied to the vapor so as to heat the vapor to a high temperature and to remove the environmental polluting impurities, such as odor, B.O.D. and C.O.D. laden in the vapor, so that the apparatus and method remarkably save the cost for the heating energy. The apparatus saves the energy by 2-10 times in comparison with the conventional apparatus.

Procédé et appareil de vaporisation et de séchage par concentration, permettant d'obtenir de l'eau condensée de bonne qualité et d'économiser l'énergie d'évaporation, et trouvant application dans la transformation des eaux usées contaminées en eau distillée, dans l'épuration des eaux usées, et dans la concentration et le séchage de différents types de boues polluantes nocives. L'appareil et le procédé permettent de récupérer et de réutiliser l'énergie de chauffage utilisée pour porter la vapeur à une température élevée et pour éliminer les impuretés polluantes nocives, par exemple les odeurs, la D.B.O. et la D.C.O. présentes dans la vapeur, et assurent de ce fait une réduction remarquable du coût de l'énergie de chauffage. Ledit appareil économise l'énergie de 2 à 10 fois plus que les appareils traditionnels.

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