微波热脱附法处理含油钻屑方法研究

发布时间：2018-05-20 11:51

本文选题：含油钻屑 + 微波　；参考：《西南石油大学》2015年硕士论文

【摘要】：随着社会的不断发展,人们对能源的消耗逐年递增,能源紧张问题一直困扰着现代社会。作为蕴藏丰富的资源,我国正积极开发页岩气能源。页岩气开发开采过程中通常需要使用油基泥浆,这将导致大量含油钻屑的产生。含油钻屑的处置不当可能对周边环境造成严重的破坏,而我国页岩气开采主要集中在四川、重庆等人口密集地区,如果不能合理的处理含油钻屑,可能对周边人群造成严重的危害。现有的含油钻屑处理工艺存在着多种弊端,例如资源浪费、环境污染、处理周期长等。系统研究含油钻屑新的处理工艺己成为当务之急。论文将微波应用于含油钻屑的处理工艺中,以研究高效、节能、环保的钻屑处理工艺为目标,对微波辐射中的钻屑进行系统分析： (1)本文对微波热脱附含油钻屑工作机理进行研究,发现了含油钻屑处理机理与常规干燥机理的差别。 (2)本文对影响含油钻屑脱附效能的各项因素进行了系统研究。实验结果表明：微波作用时间集中在反应初期,盲目延长处理时间无益于高效处理；微波场强大小对钻屑处理效率有较大影响；钻屑处理量的适量增加可提高微波能量的利用率。 (3)针对各项因素实验结果提出应用优化建议,并提出利用处理干化物控制钻屑初始状态,综合优化钻屑处理效果,并设计实验验证设想。 (4)通过对处理钻屑的热失重分析,检验微波热脱附效果,证明该方法的可行性； (5)分别分析了热脱附固、液产物成分,证明了钻井液循环利用的设想,提出了固体废渣的差异化处理要求； (6)论文以实验结果为基础,以工业化应用为目标,对含油钻屑微波热脱附处理实验样机进行了概念化设计,为进一步研究指明了方向。通过对钻屑素质的调整和处理工艺的优化,微波热脱附含油钻屑的处理效果大幅提高。实验检测表明,优化后钻屑含油率达到0.4364%,远低于相关法规规定的1%含油率,甚至低于目前规定的最高标准0.5%。
[Abstract]:With the development of society, the consumption of energy is increasing year by year. As a rich resource, China is actively developing shale gas energy. Oil-based mud is usually used in shale gas production, which will lead to a large amount of oil-bearing drilling debris. Improper disposal of oil-bearing drilling debris may cause serious damage to the surrounding environment. However, shale gas production in China is mainly concentrated in densely populated areas such as Sichuan and Chongqing. If it is not reasonable to deal with oil-bearing drilling debris, May cause serious harm to the surrounding crowd. There are many disadvantages in the existing treatment process, such as waste of resources, environmental pollution, long treatment period and so on. It is urgent to study the new treatment technology of oil-bearing drilling chip systematically. In this paper, microwave is applied to the treatment process of oil-bearing drilling chip. Aiming at the research of high efficiency, energy saving and environmental protection, the drilling chip in microwave radiation is systematically analyzed. 1) in this paper, the working mechanism of microwave thermal desorption of oil-bearing cuttings is studied, and the difference between the treatment mechanism of oil-bearing cuttings and that of conventional drying is found. In this paper, the factors that affect the desorption efficiency of oil-bearing drilling cuttings are systematically studied. The experimental results show that the microwave action time is concentrated in the initial stage of the reaction, the blind prolongation of the treatment time is not beneficial to the efficient treatment, and the microwave field intensity has a great influence on the treatment efficiency of drilling chip. The utilization rate of microwave energy can be improved by increasing the amount of drilling chip. 3) according to the experimental results of various factors, the paper puts forward some suggestions for application optimization, and puts forward that the initial state of drilling chip is controlled by treating dry matter, synthetically optimizes the effect of drilling chip treatment, and designs experiments to verify the assumption. 4) the feasibility of this method is proved by the thermogravimetric analysis of the treatment of drill chips, and the effect of microwave thermal desorption is verified. (5) the thermal desorption solid and the composition of liquid product are analyzed respectively, the assumption of drilling fluid recycling is proved, and the requirement of differential treatment of solid waste residue is put forward. 6) based on the experimental results and the industrial application, the experimental prototype of microwave thermal desorption treatment of oil-bearing cuttings is conceptualized, which points out the direction of further research. By adjusting the quality of drilling chip and optimizing the treatment process, the treatment effect of microwave thermal desorption of oil-bearing cuttings is greatly improved. The experimental results show that the oil content of drilling cuttings after optimization is 0.4364, which is far lower than the oil content of 1% stipulated by relevant laws and regulations, and even lower than the highest standard of 0.5% stipulated at present.
【学位授予单位】：西南石油大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：X741

【参考文献】