| 摘要 |
The present invention relates to a mixing device and a submersible aerator using the mixing device, wherein the mixing device comprises: a mixer including a casing 3 mounted with an inlet weir 6 for sucking reactant, an inlet 4 and an outlet 5 and an impeller 1 disposed at an axle of a driving motor 2 ; a water current suction pipe 7 for communicating the inlet weir with the inlet of the casing; and a water current conveying pipe 11 where an ejector 12 is mounted at a deep-down region of a reactor, such that reactant can be mixed at a deep-down region of the reactor, and wherein the submersible aerator using the mixing device comprises at least one or more air supply means that include ejectors 10, 10 a mounted with air supply pipes 21, 21 a, an air chamber 25 mounted with blowing ports 26 and a vessel-type diffuser 9 mounted at one side of the impeller 1 inside the casing 3.
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