| 摘要 |
A defoaming apparatus is used in a reactor in which a chemical reaction, involving the formation of foam, is effected. The defoaming apparatus includes an impeller disposed at an upper portion of an interior of the reactor, and a motor for rotating the impeller about an axis thereof. The impeller has a plurality of radially outwardly-extending blades. Each of the blades is in a form of a flat plate or a curved plate. A plurality of impellers may be arranged along the axis of rotation. In this case, the impellers of the same configuration can be circumferentially disaligned from each other. The outer edge of each blade is inclined.
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