DLT 903-2004 磨煤机耐磨件堆焊技术导则.pdfVIP

ICS27.100 F23 备案号:15172-2005 11L 中华 人 民共 和 国 电力 行 业 标 准 DL/T 903一 2004 磨煤机耐磨件堆焊技术导则 Technicalguideforsurfacingpartsofcoalpulverizer 2004-12-14发布 2005-06-01实施 中华人民共和国国家发展和改革委员会 发 布 DL/T903一 2004 目 次 前言 . . 范围 ·················································································································…… 1 勺 ︸ 规范性引用文件 ·····。···········································································……二‘·‘’‘二’二’·’… 1 伟 J 一般规定 ············································································································…… 1 4 焊前准各 ····························。··············································································…… 2 5 堆焊工艺 ···················································。·················。·················。····················…… 3 6 质量检验及要求 ························。·······························································.·。········…… 3 月 技术文件 ······································…… 3 DL/T903一 2004 fill 青 本标准是根据原国家经济贸易委员会 (电力 仁2001144号) 《关于确认2001年度电力行业标准制、 修订计划项目的通知》的安排编制的。本标准在编制的过程中主要考虑了火电厂磨煤机主要磨损件的 焊接堆焊生产与采用焊接方法堆焊修复的情况口 本标准主要根据电力行业火电厂多年来有关磨煤机耐磨堆焊的试验研究成果以及积累的经验编 写，在编制过程中力求具有科学性、实用性及可操作性，可以指导火电厂磨煤机耐磨件的堆焊工作。 本标准由中国电力企业联合会提出。 本标准由电力行业电站焊接标准化技术委员会归口并解释。 本标准主要起草单位:国电电力建设研究所、江苏电力建设第一工程公司、宁夏电力科技教育工 程院、河北电力研究院、华北电网有限公司焊接技术培训中心、山东电力研究院。 本标准主要起草人:徐德录、张学诚、马彦喜、姜运建、任永宁、郭军、张忠文。 本标准为首次发布。 DL/T903一 2004 磨煤机耐磨件堆焊技术导则 1 范围 本标准规定了磨煤机耐磨件堆焊的技术条件及其验收要求。 本标准适用干球磨机衬板，中速磨磨辊、底盘瓦、磨环，风扇磨冲击板、护钩、护甲等部件的堆 焊;其他耐