EDEM技术在选煤厂转载点溜槽设计中的应用

Application of EDEM Technology in the Design of Chute at Transfer Station in Coal Preparation Plant

摘要: 传统选煤厂溜槽设计主要依赖设计人员的经验水平，溜槽设计不合理会导致粉尘污染、溜槽堵塞、皮带偏载跑偏、撒料严重、设备磨损严重等问题。采用EDEM技术可以模拟分析物料在溜槽中的运动轨迹、速度、对溜槽的磨损情况，进而可以优化溜槽断面设计，减缓物料下落速度、保证料点对中、避免堵料、撒料等现象。本文对某洗煤厂转载点溜槽采用传统设计和采用EDEM技术设计的曲线溜槽进行了对比及仿真分析，仿真分析表明采用EDEM技术设计的溜槽可以很好地避免溜槽堵塞、皮带偏载跑偏、抑制扬尘等问题。

Abstract: The design of chute in the traditional coal preparation plant mainly depends on the experience of the designers. The improper design of chute will lead to the problems of dust pollution, the blockage of chute, the deviation of the belt, the serious scattering of materials and the serious wear and tear of the equipment. The EDEM technology can be used to simulate and analyze the movement track, speed and wear of chute, and then optimize the design of chute, slow down the falling speed of materials, ensure material point alignment and avoid material blocking, material scattering and so on. In this paper, the traditional design of chute at transfer station in a coal preparation plant is compared with the curved chute designed by using EDEM technology. The simulation results show that the chute designed by EDEM can avoid the problems of chute blocking, belt deflection, dust suppression and so on.