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不锈钢反应釜使用步骤

作者:admin    访问量:186    发布时间:2019-09-24

    使用步骤如下:

      1、化学清洗流程:水冲洗→酸洗除垢→水冲洗→钝化处理;

      2、断开与冷却盘管无关的其它系统,将清洗槽、清洗泵跟冷却盘管联接成一个清洗闭合回路;
      3、在模拟清洗状态下对清洗系统的泄漏情况进行检查,同时清除盘管内松散的污物,当出口处冲洗水目测无大颗粒杂质存在时,水冲洗结束;
      4、水冲洗结束后,在清洗槽内循环添加不锈钢反应釜换热器清洗剂”,控制清洗主剂浓度在3-6%,温度在50-60℃的范围内,于系统内进行循环清洗去污,清洗时间2—3小时左右。定时用pH试纸测量酸液的pH值(1次/20分钟),使其维持在1以下,当pH值在半小时内趋于稳定值且清洗系统内没有气体放出时,结束酸洗过程;
      5、水冲洗合格后,循环添加“钝化预膜剂”进行钝化处理,来提高铜管的耐腐蚀性能。待整个系统溶液浓度混合均匀后停止循环,浸泡2-3小时。将钝化液排出系统,然后用“中和处理剂”中和处理后排放(pH值6-7),清洗过程结束。
1. Chemical cleaning process: water washing acid cleaning water washing passivation treatment;
2. Disconnect other systems unrelated to the cooling coil, and connect the cleaning groove, the cleaning pump and the cooling coil to form a cleaning closed loop.
3. Check the leakage of the cleaning system under the simulated cleaning condition, and remove the loose dirt in the coil. When there is no large particle impurity in the flushing water at the outlet, the water flushing ends.
4. After water washing, add "stainless steel reactor heat exchanger cleaning agent" in the cleaning tank, control the concentration of the main cleaning agent in the range of 3-6%, temperature in the range of 50-60 C, and clean the system in a cycle of 2-3 hours. The pH value of acid solution was measured by pH test paper (once every 20 minutes) regularly to keep it below 1. When the pH value tended to be stable within half an hour and no gas was released from the cleaning system, the pickling process was ended.
5. After water washing is qualified, passivation pretreatment is added cyclically to improve the corrosion resistance of copper tubes. When the solution concentration of the whole system is evenly mixed, the cycle is stopped and soaked for 2-3 hours. The passivation liquid is discharged from the system, and then neutralized with "neutralizing agent" to discharge (pH 6-7), and the cleaning process is completed.
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