旋转供料器的参数模拟及优化

发布时间：2018-09-19 14:02

【摘要】：旋转供料器作为一种粉粒料连续输送设备,因其具有便于控制,可靠性能强,输送稳定的特点,被广泛应用于副食产品加工、化学工业生产、金属冶炼、酒业酿造、码头运输等行业,在散状物料输送行业中有着重要的地位。但由于我国对旋转供料器的研究起步较晚,理论基础研究较为薄弱,现阶段对旋转供料器的研究尚处于一个比较低的水平。旋转供料器不同的工艺参数和结构参数都会对输送效果产生影响,影响输送效果的工艺参数主要有转子转速、物料填充系数以及输送气压等。本文对转子直径为Ф62的拆片式旋转供料器采用模拟仿真和试验的方式进行研究,分析转子转速以及物料填充系数对输送效果的影响,主要研究内容如下所述:(1)建立三维模型并导入EDEM模拟软件,设定运输参数,对离散元散体进行分析,仿真过程中设置了3个填充系数5个转子转速,通过研究转子转速以及填充系数对出料量、质量流速、输送功率以及能耗的影响,得出转子转速以及填充系数对旋转供料器输送效果的影响。(2)综合考虑各个参数,通过对15组仿真结果分析得出较为优化的输送参数。(3)通过试验对旋转供料器的输送情况进行研究。主要研究转子转速对填充系数、质量流速的影响。本文通过仿真模拟和试验两种方式对旋转供料器进行研究,对转子转速、填充系数、质量流速等参数进行了分析,并给出较为优化的输送参数,对实际生产应用有着重要的意义,为旋转供料器参数的设置提供参考。
[Abstract]:As a continuous conveying equipment of powder pellets, rotary feeder is widely used in the processing of non-staple food products, chemical industry production, metal smelting and wine brewing because of its characteristics of easy control, strong reliability and stable transportation. Wharf transportation and other industries, in the bulk material transport industry has an important position. However, the research on rotary feeder is still at a low level in our country because of its late start and weak theoretical basis. Different process parameters and structure parameters of rotary feeder will affect the conveying effect. The main technological parameters that affect the conveying effect are rotor speed material filling coefficient and conveying pressure etc. In this paper, the method of simulation and experiment is used to study the rotary feeder with rotor diameter No. 62, and the influence of rotor speed and material filling coefficient on the conveying effect is analyzed. The main research contents are as follows: (1) establish 3D model and import EDEM simulation software, set transportation parameters, analyze discrete element particles, set up 3 filling coefficient 5 rotors speed in the simulation process, By studying the effects of rotor speed and filling coefficient on the output, mass flow rate, conveying power and energy consumption, the effects of rotor speed and filling coefficient on the conveying effect of rotary feeder are obtained. (2) the parameters are considered synthetically. Through the analysis of 15 groups of simulation results, the more optimized transportation parameters are obtained. (3) the conveying condition of rotary feeder is studied through experiments. The effect of rotor speed on filling coefficient and mass velocity is studied. In this paper, the rotary feeder is studied by simulation, simulation and experiment. The rotor speed, filling coefficient, mass velocity and other parameters are analyzed, and the optimized conveying parameters are given. It is of great significance for practical application and provides a reference for setting the parameters of rotary feeder.
【学位授予单位】：青岛科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TH237

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