摘要
建立了一种球状颗粒多孔介质喉道算法。结合油田污水中悬浮物粒径特征,通过该算法筛选出合适的石英砂颗粒滤料粒径及占比,并人为调控石英砂颗粒滤料的平均喉道,以增强石英砂颗粒滤料对悬浮物的拦截卡堵功效,使油田污水处理工艺对悬浮物的去除率由62.33%提升到94.50%,二次过滤环节的悬浮物去除贡献率由10.86%提升至41.20%。
A kind of throat algorithm of spherical particle porous media has been established. Based on the particle size characteristics of suspended substances in the oil-bearing wastewater in oilfields,the algorithm has been used,so as to figure out appropriate particle size and mass percentage of the quartz sand particle filter,adjust the average throat of quartz sand particle filter artificially,and enhance the intercept jam effect of quartz sand particle filter on suspended substances. As a result,the removing rate of suspended substances treated by the oil field wastewater treatment process is increased from 62.33% to 94.50%,and the removing contribution rate of suspended substances in the secondary filtration step is increased from 10.86% to 41.20%.
引文
[1]宋永亭,杜春安,王新,等.采油污水回用深度处理技术研究进展[J].工业水处理,2009,29(1):1-5.
[2]侯玉哲,任飞,李玉善.油田污水处理站过滤器反洗回收水罐改造设计[J].工业水处理,2014,34(5):91-93.
[3]马兆峰,许建军,邓常红,等.旋流气浮+双介质过滤技术应用于渤海油田污水处理[J].工业水处理,2016,36(5):87-89.
[4]徐婷,苏宏智,李友平.采油废水回注处理技术的现状及展望[J].污染防治技术,2010,23(1):70-73.
[5]冯英明,韩丽华,张晓.油田污水处理站污泥处理工艺存在的问题及对策[J].中国给水排水,2015,31(17):76-81.
[6]唐广荣.改性纤维球过滤技术用于海上油田污水的深度处理[J].工业水处理,2014,34(11):77-79.
[7]罗莉涛,萧汉敏,刘卫东,等.安塞低渗透油藏回注水中悬浮颗粒堵塞规律[J].科技导报,2014,32(15):69-72.
[8]严捍东,吴仕成,桂苗苗.再生粗骨料最大堆积密度及其对混凝土性能影响[J].建筑材料学报,2015,18(3):482-487.
[9]程宝军,王军,杨文,等.基于最紧密堆积理论配制超高强混凝土的试验研究[J].混凝土,2014(1):101-105.
[10]陶毅,张海镇,王秋维,等.基于最紧密堆积理论制备活性粉末混凝土的试验研究[J].云南大学学报:自然科学版,2017,39(1):107-114.
[11]刘咚,储昭奎,王洪福,等.含聚丙烯酰胺类油田污水的电化学氧化处理[J].环境工程学报,2017,11(1):291-296.
[12]罗莉涛,廖广志,刘卫东,等.安塞低渗透油藏注入水中悬浮油滴堵塞规律[J].科学技术与工程,2015,15(12):59-63.
[13]罗莉涛,刘先贵,孙灵辉,等.注入水中悬浮物对低渗透油藏储层堵塞规律[J].地质科技情报,2016,35(1):128-133.
[14]王在刚,徐勇鹏,崔福义,等.给水处理过程中颗粒特征分析[J].中国给水排水,2006,22(17):51-53.
[15]罗莉涛,廖广志,张玉,等.注水中悬浮颗粒堵塞储层的影响因素分析[J].科技导报,2014,32(36):69-74.