文献类型：专利

英文题名：Rotational flow deoiling method for sulfur bearing sewage

作者：WANG H;QIAN Z;WANG J

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN1259250-C

公开日：2006-06-14

语种：英文

收录：DERWENT

摘要：NOVELTY - Vortex oil eliminating method can eliminate dispersed oil, emulsified oil and floated oil effectively from sulfur containing sewage. It features the effective combination of liquid-liquid separating cyclone, container, control valve, frequency varying pump, filter and pipeline and the optimized operation conditions. DETAILED DESCRIPTION - The vortex oil eliminating method can eliminate dispersed oil, emulsified oil and floated oil effectively from sulfur containing sewage. It features the effective combination of liquid-liquid separating cyclone, container, control valve, frequency varying pump, filter and pipeline and the optimized operation conditions. The booster pump is made to operate always near designed flow rate by means offrequency varying speed regulating technology, and this can reduce the leakage of liquid from the pump and the breaking of oil drop obviously. For sewage with oil concentration less than 1000 ppm, the ratio between oil phase flow rate and the water phase flow rate in the cyclone is controlled in 8-18 % to avoid jamming in the oil phase outlet and raise the operation reliability. The said method has high separation efficiency, low cost, high oil recovering rate and other advantages.