DL/T 1097
火电厂凝汽器管板焊接技术规程
火电厂凝汽器管板焊接技术规程
📋 Scope / 适用范围 ai_extracted
This standard specifies the technical requirements for the welding of condenser tube plates in thermal power plants. This standard is applicable to the sealing welding work of condenser tube plates in thermal power plants. The applicable materials of this standard are heat exchanger tubes made of titanium or stainless steel, and plates made of carbon steel, titanium, stainless steel, or composite steel.
本标准规定了火电厂凝汽器管板焊接的技术要求。 本标准适用于火电厂凝汽器管板的密封焊接工作。本标准的适用材料是换热器管为钛或 不锈钢，板为碳钢、钛、不锈钢或复合钢。
📝 Foreword / 前言 ai_extracted
1.1.1 This standard is a revision of SD 339—1989 "Technical Specification for Welding of Titanium Tube-to-Tubesheet" in accordance with the requirements of the "Notice of the General Office of the National Development and Reform Commission on Issuing the 2007 Industry Standard Revision and Development Plan Projects" (NDRC Office Industry [2007] No. 1415). 1.1.2 Compared with SD 339—1989, this standard has the following main changes: 1.1.3 ——The title of the original standard "Technical Specification for Welding of Titanium Tube-to-Tubesheet" has been changed to "Technical Specification for Welding of Tube-to-Tubesheet for Condensers in Thermal Power Plants," which applies not only to titanium metals but also to stainless steel; 1.1.4 ——Alignment with current standards has been made in terms of welding procedure qualification and welder performance qualification; 1.1.5 ——Provisions for welding repair have been added; 1.1.6 ——More specific requirements have been established for the welding process and inspection; 1.1.7 ——The appendix has been revised based on material developments, providing readers with references for material selection. 1.1.8 This standard replaces SD 339—1989 from the date of implementation. 1.1.9 Appendix A of this standard is an informative appendix. 1.1.10 This standard is proposed by the China Electricity Council. 1.1.11 This standard is under the jurisdiction of and interpreted by the Technical Committee on Welding for Power Plant Standardization of the Electric Power Industry. 1.1.12 The drafting organization of this standard: China Electric Power Research Institute. 1.1.13 Participating organizations in the drafting of this standard: Zhejiang Thermal Power Construction Company, Jiangsu Electric Power Construction First Engineering Company, Beijing Electric Power Construction Company, Guangdong Thermal Power Engineering Corporation. 1.1.14 Main drafters of this standard: Guo Jun, Bao Zhenhui, Zhang Xuecheng, Shi Xuejun, Ren Yongning, Gan Huanchun. 1.1.15 First release date of this standard: September 15, 1989. Comments or suggestions during the implementation of this standard should be submitted to the Standardization Center of the China Electricity Council (No. 1, Baiguang Road Second Lane, Beijing, 100761). III www.bzfxw.com DL/T 1097 — 2008 4 Technical Specification for Welding of Tube-to-Tubesheet for Condensers in Thermal Power Plants
1.1.1 本标准是根据《国家发展改革委办公厅关于印发2007 年行业标准修订、制定计划项目的 通知》（发改办工业［2007］1415 号）的要求，对SD 339—1989《钛材管板焊接技术规程》进行修订。 1.1.2 本标准与SD 339—1989 比较有以下主要变化： 1.1.3 ——将原标准的名称《钛材管板焊接技术规程》改为《火电厂凝汽器管板焊接技术规程》， 不仅适用于钛金属，也适用于不锈钢； 1.1.4 ——在焊接工艺评定和焊工考核方面与现行标准进行了衔接； 1.1.5 ——增加了焊接修复的规定； 1.1.6 ——对焊接过程、检验要求都做出了更具体的规定； 1.1.7 ——根据材料的发展，修改了附录，为读者提供了材料选择的参考。 1.1.8 本标准自实施之日起，代替SD 339—1989。 1.1.9 本标准的附录A 是资料性附录。 1.1.10 本标准由中国电力企业联合会提出。 1.1.11 本标准由电力行业电站焊接标准化技术委员会归口并负责解释。 1.1.12 本标准起草单位：中国电力科学研究院。 1.1.13 本标准参加起草单位：浙江火电建设公司、江苏电力建设第一工程公司、北京电力建设公 司、广东火电工程总公司。 1.1.14 本标准主要起草人：郭军、包镇回、张学诚、石学军、任永宁、甘焕春。 1.1.15 本标准首次发布时间：1989 年9 月15 日。 本标准在执行过程中的意见或建议反馈至中国电力企业联合会标准化中心（北京市白 广路二条一号，100761）。 III www.bzfxw.com DL / T 1097 — 2008 4 火电厂凝汽器管板焊接技术规程
📚 References & Relations / 引用与关联
🔗 Related Standards / 同类标准
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