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Mining Technology and Mine Management

Mine-Loading Measurement System of Underground Locomotive Based on Image Recognition

  • Yupeng ZHANG ,
  • Fuji WU ,
  • Yi GUO
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  • Nonferrous Metal Mining and Metallurgy Equipment Work Design Center,Ganzhou Nonferrous Metallurgy Research Institute Co. ,Ltd. ,Ganzhou 341000,Jiangxi,China

Received date: 2021-09-26

  Revised date: 2022-01-10

  Online published: 2022-04-25

Highlights

The ore yield is an important standard for mining enterprises to formulate production plans.At present,the vast majority of underground mines estimate ore yield by manually counting the number of ore carrying vehicles.The measurement error is large,which seriously affects the enterprises to formulate production plans.In order to solve the problem of large measurement error and improve the accuracy of ore yield estimation,a set of underground machine on-board ore yield measurement system based on image recognition was designed and developed in this paper.In this paper,the method of image recognition combined with density model modeling was used to form a volume model through three-dimensional reconstruction of ore pile image information,and an image feature density library was built to form a complete set of underground machine on-board ore quantity measurement system.The system collects the internal image of the locomotive ore bucket through the depth camera,then extracts the feature information of the image and compares it with the image feature density library to obtain the density of the ore in the current ore bucket, and then generates a volume model from the three-dimensional reconstruction of the image to calculate the volume of the ore pile,and calculates the product of the volume and density of the ore pile to obtain the weight of the ore pile.The field repeated tests show that the metering system operates stably and reliably,and the calculation error of locomotive ore load is less than 5%.It solves the problem of ore yield estimation in mining enterprises,improves the calculation accuracy of ore yield,and brings detailed and reliable data for enterprises to formulate production plans.

Cite this article

Yupeng ZHANG , Fuji WU , Yi GUO . Mine-Loading Measurement System of Underground Locomotive Based on Image Recognition[J]. Gold Science and Technology, 2022 , 30(1) : 131 -140 . DOI: 10.11872/j.issn.1005-2518.2022.01.135

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生态环境部:加强固体废物污染防治和新污染物治理

3月30日,生态环境部召开3月例行新闻发布会,生态环境部固体废物与化学品司司长任勇介绍,今年乃至“十四五”一段时间内,固体废物与化学品环境管理工作将坚持稳中求进的工作总基调,做到四个“坚持”。

任勇表示,固体废物污染防治,一头连着减污,一头连着降碳,是生态文明建设的重要内容,也是深入打好污染防治攻坚战的重要任务。努力让城乡“无废”、环境健康安全是实现美丽中国建设目标的重要方面。

任勇指出,2022年是全面落实“十四五”生态环境保护各项决策部署的关键之年,固体废物与化学品环境管理工作的总体要求是,全面落实全国生态环境保护工作会议安排部署,把握一个“总基调”,做到四个“坚持”。总基调就是坚持稳中求进的工作总基调,四个“坚持”即坚持更加突出精准、科学、依法治污的工作方针,坚持固体废物污染防治“减量化、资源化、无害化”的工作原则,坚持打牢基础、健全体系、严守底线、防控风险、改革创新的工作思路,坚持突出重点,统筹兼顾,系统推进的工作方法。

对于重点工作任务的安排,任勇介绍,可以概括为:抓好两条主线,守住一个底线,突出两个抓手。在两个主线中,一个就是对从固体废物,特别是危险废物产生、收集、贮存、转移到利用处置强化全链条环境监管。另一个主线就是对有毒有害化学物质强化全生命周期环境风险管理。

“我们守住一条‘底线’,就是要严守危险废物、尾矿库、化学品、重金属,就是我们通常说的‘一废一库一品一重’的生态环境风险这条‘底线’。突出两个抓手,一个是新污染物治理,一个是‘无废城市’建设。这样,确保我们全面完成深入打好污染防治攻坚战意见和‘十四五’生态环境保护规划所确定的有关工作任务。持续提升固体废物与化学品环境治理体系和治理能力。”任勇说。

在介绍工作的目标要求时,任勇表示,可以概括为:改善生态环境质量、助推绿色低碳循环发展、维护健康安全。首先,要有效防控固体废物和有毒有害化学物质环境污染,拓展和延伸深入打好污染防治攻坚战的广度和深度,推进生态环境质量持续改善;其次,充分发挥固体废物减量化、资源化、无害化在减污降碳协同增效方面的重要作用,助推绿色低碳循环发展;第三,有效防控生态环境风险,切实维护人民群众健康和生态环境安全,以优异成绩迎接党的二十大胜利召开。

http://www.goldsci.ac.cn/article/2022/1005-2518/1005-2518-2022-30-1-131.shtml

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