B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/00 (2006.01) B01F 3/04 (2006.01) B01F 3/08 (2006.01) B01F 5/02 (2006.01) B01F 5/04 (2006.01) B03D 1/14 (2006.01) B03D 1/24 (2006.01) B05B 1/00 (2006.01) C02F 1/24 (2006.01)
Patent
CA 2397997
Process for aerating a liquid with gas, particularly for use in processes for separating impurities from suspensions by means of flotation, covering the injection of liquid through a nozzle into a volume of gas. In order to achieve a considerable improvement in mass transfer and draw closer more effectively to the maximum degree of saturation obtainable, part of the gas volume is sucked in by the vacuum generated by the liquid injected, carried along together with the liquid and mixed intimately with the liquid at the same time. The device for implementing the process covers a pressure vessel (2) for the liquid and a gas volume above it, with a pressure connection for the gas in the upper section of the pressure vessel and a nozzle (11) through which to inject the liquid into it. In order to achieve the effect described above, the nozzle (11) connects with the head of an injector (10) mounted inside the pressure vessel (2), where the injector protrudes into the lower section of the pressure vessel (2) holding the liquid, and the head of the injector is connected to the top section of the pressure vessel (2), which contains the gas volume.
Gabl Helmuth
Scherzinger Bernhard
Andritz Ag
Marks & Clerk
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