Supersonic ejector
A technology of supersonic speed and ejector, which is applied in the directions of jet pumps, fluid mixers, machines/engines, etc., and can solve the problems of the ejected airflow not having time to expand, interfere, and waste pressure energy, etc., and achieve simple installation, easy processing, The effect of air mixing is sufficient
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[0021] The principles and features of the present invention will be described in detail below with reference to the accompanying drawings.
[0022] When the pressure of the ejector gas source is high, the nozzle is used to expand and compress the gas multiple times, and the series-staged air intake is adopted to improve the mixing efficiency and reduce the pressure loss. Reasonable distribution of air intake between all levels is particularly important for improving ejection efficiency. figure 1 It is the structure diagram of the supersonic ejector. The ejector includes: inlet pressure chamber 1, nozzle 2, mixing chamber 3, nozzle 4, mixing chamber 5, tail nozzle 6, supersonic diffuser 7 and shell cylinder 8. According to the design of the present invention, the above-mentioned nozzle 2 and nozzle 4 are both Laval nozzles, and the peripheral wall of the expansion part is provided with a forward air inlet groove. The nozzle 2, the mixing chamber 3, the nozzle 4, the mixing chambe...
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