煤炭等大宗散货堆体体积测量方法研究

发布时间：2018-04-16 22:08

本文选题：煤堆 + 体积测量　；参考：《大连海事大学》2017年硕士论文

【摘要】：大型储煤基地的加速建设,需要堆储现代化管理技术作保障,而煤炭等大宗散货堆体的体积测量工作又是堆储现代化管理中的一个重要环节,快速、准确、简便地测量出储煤基地煤堆的体积和质量对储煤基地进行科学管理、经济效益评估和存储量评估具有重要意义。因此,探索新型、有效、智能的体积测量系统是燃料科学管理领域中非常重要的课题,这也是作为一个现代化的燃料管理不可缺少的。本课题来源于北京神华恒运能源科技有限公司实施的科研项目"煤炭等大宗散货盘点系统研究"。结合神华集团的切实需要,本项目研发了一套煤炭等大宗散货堆体体积测量系统,能实现单人手提该系统围绕煤堆步行一圈即可完成体积测量作业,可对港口等储煤基地的煤堆体积进行高精度、高效率的测量。该测量系统采用激光扫描仪采集煤堆的表面扫描点信息,采用高精度的差分GPS精确获取测量点的位置,采用高精度倾角仪测量系统的俯仰角与横滚角信息。系统结合实际测量原理对GPS数据、激光扫描仪数据及倾角仪数据进行数据预处理,提高基础数据的精度;利用GPS定位数据、倾角仪数据及系统中仪器安装位置数据进行激光扫描仪的位置解算;利用激光扫描点的距离及角度数据进行扫描点的局部坐标解算;利用倾角仪数据构建旋转矩阵将激光扫描点的局部坐标转换为全局坐标,获得被测煤堆的三维模型并显示;利用Delaunay三角剖分算法将煤堆点云剖分为若干个三棱柱,计算每个三棱柱体的体积并累积加和得到整个煤堆的体积。该测量系统已在校内进行了模拟煤堆测量,并在河北黄骅港、秦皇岛港与天津港储煤基地进行了实际测量,测量结果表明该系统可快速、准确、高效的进行大宗散货堆体的体积测量,具有广泛的应用前景。
[Abstract]:In order to accelerate the construction of large coal storage base, the modern management technology of heap storage is needed, and the volume measurement of bulk bulk goods such as coal is an important link in the modernization management of coal storage, which is fast and accurate.It is very important to measure the volume and quality of the coal storage base to manage the coal storage base scientifically. The evaluation of economic benefit and storage capacity is of great significance.Therefore, exploring a new, effective and intelligent volume measurement system is a very important subject in the field of fuel science management, which is indispensable as a modern fuel management.This subject comes from Beijing Shenhuayun Energy Technology Co., Ltd., a scientific research project, "Coal bulk bulk inventory system Research".According to the practical needs of Shenhua Group, this project has developed a bulk bulk bulk volume measurement system such as coal, which can be carried out by a single person and walk around the coal pile in a circle to complete the volume measurement operation.High-precision and high-efficiency measurement can be carried out on the volume of coal stacks in ports and other coal storage bases.In this system, laser scanner is used to collect the surface scanning point information of coal pile, high precision differential GPS is used to accurately obtain the position of the measuring point, and the pitch angle and roll angle information of the system are measured by high precision dipmeter.In order to improve the accuracy of the basic data, the system preprocesses the GPS data, the laser scanner data and the obliquity data based on the actual measurement principle, and uses the GPS to locate the data.The position of the laser scanner is calculated by the data of the obliquity meter and the installation position of the instrument in the system, the local coordinate of the scanning point is calculated by the distance and angle data of the laser scanning point.The local coordinates of laser scanning points are transformed into global coordinates by using the data of the dipmeter, the 3D model of the coal pile is obtained and displayed, and the cloud is divided into three prism columns by using Delaunay triangulation algorithm.Calculate the volume of each triangulated column and add the sum to get the volume of the whole coal heap.The system has carried out the simulated coal pile survey in the school, and the actual survey has been carried out at Huanghua Port, Qinhuangdao Port and Tianjin Port Coal Storage Base in Hebei Province. The measurement results show that the system is fast and accurate.Efficient bulk bulk bulk volume measurement, has a wide range of applications.
【学位授予单位】：大连海事大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TD564;TH744.5

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