GB/T 9842-2004尿素合成塔技术条件.pdf

71.120.30 GICS9 }Ga 中 华 人 民 共 和 国 国 家 标 准 GB/T9842-2004 代替 Gs9842-1988 尿 素 合 成 塔 技 术 条件 Specificationforureareactor 2004-06-09发布 2004-12-01实施 中华人民共和国国家质量监督检验检疫总局 发 布 中 国 国家 标 准 化 管理 委 员 会 GB/T9842-2004 目 次 朋 舀 。············… … ‘···········，·····················。·，，·······················。··········，·····················，··… I 1 范围 ·，···········，········································1 2 规范性引用文件 ············，···············································..·…… 1 3 术语及定义 ······························，，，····················。，，·······。··，·················。·················…… 1 4 要求 ····，············，························································，································，…… 2 4.l 基本要求 ·································································，························.···········…… 2 4.2 材料 甲，2 4.3 加工与成形 ·······································..·.·····················……，··..…… 4 4.4 焊接 ···，········································································································，，·… 7 4.5 热处理 ···············································……，，···········，········.·...···……，，...·..··… … 8 4.6试板 ···········……丫························································································……8 4.7 无损检测 ···················，······················，，·，···‘·，，.，...…… ，······.·.…… “二，.，…… 9 5 水压试验和渗漏试验 ·········································.··.·.······，··········.··…… 9 6 不锈钢的表面处理 ···········，，································.··...······.·...·.……，……，.… 10 7 油漆、包装、运输、标志及出厂技术文件 ·············……，·，···················.·……，..……，，，，二10