DLT 805.2-2004 火电厂汽水化学导则 第2部分：锅炉炉水磷酸盐处理.pdfVIP

ICS27.100 F23 备案号 :13569-2004 KIL 中华 人 民共 和 国 电力行 业 标 准 DL/T 805.2一 2004 火电厂汽水化学导则 第2部分:锅炉炉水磷酸盐处理 Guidelineforcyclechemistryinfossilplants Part2:Phosphatetreatmentfordrumunits 2004-03-09发布 2004-06-01实施 中华人民共和国国家发展和改革委员会 发布 DL/T805.2一 2004 目 次 前言 ··············11 1 范围 ·····················，············，·························································…… 1 2 规范性引用文件 ·······································。·······················································。···…… 1 3 术语 ······。···············································。·······。··········································。········…… 1 4 总则 ····················，···············。·········。·····························································，·····…… 2 5磷酸盐处理时的炉水质量标准 ·············。·······，···········································。······.·····，·…·’·‘3 6汽包锅炉炉水处理方式的选择 ······‘·······.，··········价······…·.…-，-，·…“二“.. ··‘…·’二’’·4 7 检测方法 ··········5 8 药品纯度要求 ···································································································…… 6 9 炉水取样与加药 ·····························。···································································…… 6 10 炉水质量劣化时的处理措施 。·。·············，····································。····················，·····…·…6 DL/T805.2一 2004 Hit 青 DLrT805 《火电厂汽水化学导则》分为4部分: 第1部分:直流锅炉给水加氧处理; 第2部分:锅炉炉水磷酸盐处理: 第3部分:锅炉炉水氢氧化钠处理: 第4部分:锅炉给水处理。 本部分为DLrF805的第2部分。是根据原中华人民共和国国家经济贸易委员会电力司 《关于确认 1999年度电力行业标准制、修订计划项目的通知》 (电力 2【000]22号文第54项)的安排进行的。 炉水磷酸盐处理已有几十年的应用历史。随着机组参数和给水水质的提高，磷酸盐处理不断出现 一些新的问题，然而通过研究，对磷酸盐处理