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说说冷却铝排管点蚀问题的成因及控制

  前文我们针对某合成氨化肥厂铝排管点蚀问题,进行了水质稳定的分析,得出如下点蚀成因与控制办法:

  YI、DIANSHIDECHENGYIN:

  SHUILIUCHONGSHUA、XUNHUANSHUISHUIZHIDEFUSHIXINGYIJIWEISHENGWUFUSHIJUNKEDAOZHILVPAIDIANSHI,YINCIBUNENGDANPINGWENDINGZHISHUZUOCHUPANDUAN。LVZAISHIRUNTIAOJIANXIAJINGRONGJIEYANGYANGHUAHOUKEXINGCHENGYANGHUAMO,DUINEIBUQIHUANSHIZUOYONG。DANGAICHANGDEXUNHUANSHUIXITONGYUNXINGQIANWEIJINXINGYUMO,LVPAIBIAOMIANZHENGTIWAILU,YOUYUBUSHUIBUJUN,JUBUSHUILIUDUILVPAIDECHONGSHUAQIANGDUGUODA,SHIYANGHUAMOBUDUANPOHUAIGENGXIN、XINGCHENGDIANSHI,QIEQIKUOSANWANGWANGCHENGEXINGXUNHUAN;LINGWAIYIFANGMIAN,XIAOYANGJIHEDAYINJIDEDIANSHISHENDUGENGXIANMING,YIDANTOUGUOLENGPAIGUAN,BIANHUIGOUCHENGPAOLIAOXIANXIANG。

  ER、DIANSHIDEKONGZHI:

  YIJUSHANGSHULVPAIGUANDIANSHIDECHENGYIN,JINXINGLEFENXIDECHUZAIJISHUIGAICHENGWEIJINGSHUIZHIHOU,HAIYINGDANGYOUZENGJINLVPAIKANGCHONGSHUADENENGLI、BAOCHIYANGHUAMOBUHUISHOUSUNHUAILAIZHESHOU,ERHOUZAIYUNYONGTOUJIAZUGOUHUANSHIJIDEBANFALAIWEICHISHUIZHIDEWENDING。JUTIZUOFASHI:TANHUAXITONGZAIHUANXUEZHIHOUXIANBUJINXINGJIAYAO,DENGLVPAIBIAOMIANGOUCHENGLEWEIGOUHOUZAIJIAYAOYUNXING,JIEZHUWEIGOUFUGAIJIZUGOUHUANSHIJIDEWENDINGZUOYONG,CHENGGONGDIZHIYUELELVPAIDIANSHIXIANXIANG。

  SAN、JIESHUYU:

  DUILVPAIGUANCAIYONGSHANGSHUCUOSHIHOU,SHIXIANLESHUIZHIWENDINGDEMUBIAO,GELUXUNHUANSHUIXITONGBAOHUWENDINGDEYUNXING,JINGGUAPIANCESHI,HECHENGHETANHUAXITONGDEFUSHILVJUNXIAOYU0.1mm/a,NIANWUGOUREZUFUHEGONGYIYAOQIU,YANSHOUHEGE,BINGQIEJISHUIYONGJINGSHUITIDAIRUANSHUI,JIANSHAOLEZHISHUICHENGBEN。