水力旋流器用于含油废水处理

Hydrocyclone used in oil containing wastewater treatment

水力旋流器可用于脱除水体中的漂浮油和分散油， 在环境工程中适用于小批量和船舶等特殊场合含油废水的处理。采用ｄ５０ ｍ ｍ 旋流器对含油废水进行了油水分离实验研究， 分别讨论了角锥比、工作压力、含油类型和水温等参数对脱油效率的影响， 并用旋流器中离心力场的“聚并上浮”和紊流场的“碎裂弥散”观点合理地解释了试验规律。实验结果表明： 用ｄ５０ ｍ ｍ 旋流器，当 溢流口直径８ ｍ ｍ ，底流口直径１１ ｍ ｍ ， 工作压力０ ．２８ ＭＰａ ， 水温１５ ℃， 处理锅炉厂质量浓度为１０２５ ｍｇ／Ｌ 的含机油废水时得到的底流， 含油质量浓度为８２ ｍｇ／Ｌ， 溢流产率２３ ．３５ ％ ，脱油率９３ ．８９ ％ 。

The hydrocyclone can be used for separating float oil and disperse oil in water, and is suitable for the treatment of oil containing wastewater of small amount in environment engineering . Based on experiment, the effects of apex/vortex ratio, work pressure, oil containing type and water temperature on the efficiency of separating oil have been discussed, and experiment rules were explained by disintegrate disperse and mass rise theory. The oil containing wastewater of 1 025 mg/L consistence was treated using a d 50 mm hydrocyclone with overflow diameter 8 mm, underflow diameter 11mm at work pressure 0.28 MPa, water temperature 15 ℃, obtained results were underflow oil containing consistence 82 mg/L, overflow yield ratio 23.35%, oil separation ratio 93.89%.