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自1971年以来,我们在用漂白粉进行井水消毒的过程中,一直坚持做好消毒后井水内余氯量的测定,以保证所加入的氯能满足水的需氯量。经过六年的观察,胃肠道传染病发病率逐年下降。实践使我们体会到:要达到消毒的目的,必须做好水内余氯量的测定。以下一些具体情况,常影响水内氯的含量:1.由于漂白粉储存不当,以致含氯量不足。2.农村有些水井的井壁很不整齐,井底也不平坦,以致使储水量不易准确计算,而影响加氯量的准确性。3.因雨天、旱天井水量的涨落,以及水的清洁度与混浊度的不同等
Since 1971, we have been doing bleaching powder well water disinfection process, has been doing well disinfection of residual water well after the determination of chlorine to ensure that the added chlorine to meet the water required chlorine. After six years of observation, the incidence of gastrointestinal infectious diseases declines year by year. Practice makes us realize: To achieve the purpose of disinfection, we must make the determination of residual chlorine in water. The following specific circumstances, often affect the content of chlorine in water: 1. Due to improper storage of bleach, resulting in insufficient chlorine. 2. Some wells in rural wells wall is not neat, the bottom is not flat, so that the water is not easy to accurately calculate the volume, which affects the accuracy of chlorination. 3 due to rainy days, dry patio water fluctuations, and water cleanliness and turbidity of different