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基于数字孪生的磨煤机风环磨损诊断方法
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8Claims · 1 independent
§ Ⅰ
Dossier Overview
Inventor
李骁; 梁志男; 程杰; 李岩波; 张华; 张宇枫; 王侃; 贾金宇
Filing Date
Jul 21, 2026
Publication Date
Oct 20, 2026
IPC Classification
B02C 23/24 (2006.01)B02C 25/00 (2006.01)B02C 23/26 (2006.01)G06Q 10/20 (2023.01)G06Q 50/06 (2024.01)G01D 21/02 (2006.01)
本发明公开了基于数字孪生的磨煤机风环磨损诊断方法,涉及火力发电设备在线诊断技术领域,现有检测手段依赖停机检修与人工记录,滞后且无量化标准。本发明无需新增硬件,仅采集 DCS 石子煤频次、推力轴承温度、磨煤机电流、给煤量、差压、一次风量六类参数。构建石子煤基线预警、推力轴温横向对比、电流煤量比值对标、风量差压辅助校验四大诊断维度,结合风环磨损正反馈恶化机理开展多参数联合裁决,可区分风环磨损、煤质波动、磨辊磨损故障并给出对应运维方案。经机组现场实例验证,该方法可在线实时识别早期磨损,提前预警设备加速劣化,判定标准量化客观,为制粉系统预测性维护提供可靠支撑。
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