撬装式含油污水处理装置的研制
Research of skidded equipment for oily wastewater treatment
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摘要: 介绍了撬装式含油污水处理装置的研制过程。通过对液液水力旋流技术、聚结斜板沉降技术、多滤料过滤技术等方面的研究，研制出一套撬装式含油污水处理装置，该装置具有结构紧凑、处理效果好、占地面积小、便于操作、便于运输的特点，适于小区块或边缘油田含油污水的处理。经现场实验，当停留时间仅为5 s时，即可获得较高的除油效率，在进口含油小于150 mg/L时，可将出口水中含油控制在30 mg/L以下，在进口悬浮固体含量小于100 mg/L时，可将出口水中悬浮固体含量控制在20 mg/L以下，使出口水质达到了行业标准SY/T5329-94中的中渗透率油田的B1级的注水标准，实现了含油污水处理后的就地回注，大大节省了污水处理成本。Abstract: Through the research of liquid-liquid hydrocyclone, coalescence inclined plate sedimentation tank, multi-filter media filter, agents-adding system, waste oil recovery system, controlling system and skidded structure, the skidded equipment for oily wastewater treatment was developed. The equipment has the features of compact structure, high treatment efficiency, smaller space used, convenient operation, convenient transportation and suitable for the treatment of oily wastewater in smaller or margined oil field. Through experiment on site, when the residence time of wastewater is just five minutes, the oil removal efficiency is high. When the inlet oil content is less than 150 mg/L, the outlet oil content can be controlled under 30 mg/L，and when the inlet water cut is less than 100 mg/L, the outlet water cut can be controlled under 20 mg/L. The water quality of the outlet of equipment can reach the B1 water injecting standard of SY/T5329-94 for middle penetration oil field，which made the rejection of wastewater on site be realized, and saved a great deal of the cost for treating wastewater.
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