粒子螺旋输送性能的试验研究

发布时间：2018-03-20 12:46

本文选题：粒子冲击钻井　切入点：螺旋输送　出处：《北京化工大学》2012年硕士论文　论文类型：学位论文

【摘要】：粒子冲击钻井技术是一套可以应用到常规钻井设备中的非常先进的可移动技术,具有开采速度快、能源利用率高和对设备损坏程度小等特点。本文介绍粒子冲击钻井技术的相关知识，对粒子冲击钻井系统中粒子注入系统的核心部件—螺旋输送机进行了重点介绍。此项目的研究在国内尚属首次，输送的物料为钢粒子，其物理性质和影响输送能力的相关系数都需要通过试验确定。通过试验首先确定螺旋输送机的入口尺寸以解决了输送过程中钢粒子在入口处的夹卡问题；通过改进螺杆尾端和头端的支撑结构使钢粒子在输送过程中不再滞留在输送机内部的间隙中；在研究输送性能的试验中，通过改变螺槽深度、螺杆与机筒内壁的间隙、螺杆外表面和机筒内表面的表面质量和物料的粒径进行试验，得出这些参数对于螺旋输送机输送能力的影响，根据试验结果和常规螺旋输送机的输送量公式推导出钢粒子螺旋输送机的输送经验公式；粒子冲击钻井系统中螺旋输送机的工作压力为25MPa，受条件所限试验中达不到此压力，就需要用软件模拟工况确定螺杆材料能否满足要求。应用Solidworks软件进行建模、使用ANSYS软件进行模拟仿真，结果证明螺杆材料38CrMoAlA表面进行氮化处理可以满足25MPa的工作压力。应用EDEM软件模拟输送过程，了解螺杆与机筒间隙对输送效率的影响对前面的相关结论进行证明。
[Abstract]:Particle impact drilling technology is a very advanced mobile technology that can be applied to conventional drilling equipment. It has the characteristics of fast mining speed, high energy utilization and little damage to equipment.
This paper introduces the related knowledge of particle impact drilling technology, were introduced on the particle particle impact drilling system into the core components - system of screw conveyor. The research of this project is the first time in China, the transportation of materials for steel particles, the coefficient of correlation of physical properties and the effect of transmission capacity are determined through experiments by. First determine the size of the entrance test of the screw conveyor to solve the transportation of particles in the steel clip card problem at the entrance of the gap; through the support structure is improved and the head end of the screw at the end of the steel particles in the conveying process is no longer stuck in the internal conveyor; transportation performance test in the study, by changing the groove depth, screw clearance and the inner wall of a cylinder, the surface quality and material screw and barrel outer surface of the inner surface of the particle size of the test, we find that these parameters for spiral transmission Effect of conveyor transport capacity, according to the empirical formula and test results of conventional conveyor screw conveyor conveying capacity formula of particle tapping screw conveyor; particle impact drilling system of the screw conveyor working pressure is 25MPa, the limited conditions in this test pressure, we need to determine the screw material can meet the requirements of software simulation condition application of Solidworks software for modeling, simulation results show that the use of ANSYS software, the screw materials 38CrMoAlA surface nitriding treatment can meet the working pressure of 25MPa. EDEM software is used to simulate the transfer process, understand the clearance between screw and barrel effect on the transfer efficiency of the related conclusion on the front of the proof.

【学位授予单位】：北京化工大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TH224

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