油基泥浆固废摩擦热脱附技术及装备研究

The Research on the Friction Thermal Desorption Technology and Equipment of Oil-Base Mud Waste

介绍了油基泥浆固液废弃物产生的工程背景及其危害;分析对比现有各种含油废弃物处理方法的优缺点;阐述了油基泥浆固废摩擦热脱附无害化处理成套装备系统组成及热脱附原理;通过离散元仿真分析,研究了摩擦热脱附设备的结构参数对热脱附效果的影响;提出控制热脱附单元温度稳定性的控制逻辑和连续稳定控温关键影响因素。结果表明,通过所开发实验样机系统实验,验证了热脱附单元关键结构参数的影响,采用所提出的温控逻辑可保证热脱附单元的温度稳定性。

The engineering background and environmental hazard of oil-base mud waste are introduced. The advantages and disadvantages of various existing methods for oil-containing waste disposal are analyzed. The system composition and principle of friction thermal desorption of oil-base mud solid waste are described. The key parameters of thermal desorption unit and their influence on the temperature are discussed through the experimental prototype system. Results show that proposed control logic based on friction thermal desorption principle can ensure the temperature stability of thermal desorption unit.