电磁兼容技术在选矿自动化仪表中的应用
投稿时间:2015-04-22  修订日期:2015-04-22  点此下载全文
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作者单位E-mail
王诗然 北京矿冶研究总院 wangshiran@bgrimm.com 
赵宇 北京矿冶研究总院  
赵建军 北京矿冶研究总院  
中文摘要:BOXA型载流X荧光分析仪是一款高性能的测量矿浆金属元素品位的实时分析仪器,可以为选矿厂进行选矿工业控制和调整提供快速、准确的分析结果。目前,已在美国DoeRun公司fletcher选矿厂、江西德兴铜矿泗洲选矿厂、中条山铜矿等地得到应用。其中控制器是BOXA型载流X荧光分析仪的核心部件,对电气路的稳定运行至关重要,但是选矿厂内环境复杂,电磁干扰源多,无论干扰是来自外界自然环境,还是周边各种设备,都会影响到控制器,进而影响分析仪的稳定运行,所以,必须进行可靠的电磁兼容性(EMC)设计。本文以控制器在现场所反映的电磁干扰(EMI)现象,分析产生原因并提出整改方案,在实验室进行工业级试验模拟并检测最终效果,以确保在选矿过程控制中稳定可靠运行。
中文关键词:BOXA型载流X荧光分析仪  选矿自动化  控制器  电磁兼容性设计
 
Electromagnetic reliability design of BOXA On-stream X-ray fluorescence analyzer controller
Abstract:The BOXA on-stream x-ray fluorescence analyzer offers high sensitivity and real time measurement to all sizes of concentrator plants to control and regulate the mineral process flow sheet. BGRIMM provides the necessary technical service to guarantee performance to meet the concentrator’s unique requirement. At present, it has been applied in DoeRun company fletcher concentrator in United States, Sizhou concentrator of Dexing copper mine in Jiangxi, Zhongtiaoshan copper mine and other places. Controller is the core part of BOXA on-stream x-ray fluorescence analyzer, but the environment in concentrator is very complex, and there are many kinds of sources of electromagnetic interference whether from outside in natural environment or just peripheral devices, all of these will affect the controller, and then affect the stable operation of analyzer. Therefore, it’s important to have a reliable electromagnetic compatibility (EMC) design. This paper analyzes the reason of electromagnetic interference (EMI) phenomena reflected by the controller and presents solutions through industrial-grade tests simulating in the laboratory and detecting the final results to make sure stable and reliable operation in the beneficiation process.
keywords:BOXA on-stream x-ray fluorescence analyzer  beneficiation automation  controller  electromagnetic compatibility design
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