The dual function demands to aeration devices for oxidation ditch are clarified and the mechanism of both stirring and flow driving of self priming jet aerator are described.
阐明了氧化沟对曝气设备双重功能的要求; 论述了自吸式射流曝气器发挥搅拌推流作用的机理;
Provided that a dual-purpose nozzle capable of producing alternately such a spray and a plain water jet may be provided in substitution.
但可设置能交替地产生上述喷雾及普通水柱的两用喷嘴作替代。
Dual-jet is a new kind of high efficient jet, which is formed by combining round straight jet with circular conical swirling jet.
双射流是由中心直射流和同轴的环形旋转射流形成的一种新型高效射流,用双射流能够克服门限压力与高破岩比能的制约而高效破岩。
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