2013-2015年成都市郫都区幼儿园分散式供水情况及水质分析

发布时间：2018-06-01 04:55

  本文选题：幼儿园 + 分散式供水　； 参考：《现代预防医学》2017年13期

【摘要】：目的全面了解成都市郫都区幼儿园分散式供水现状及水质情况,为其水质改进提供依据。方法采用统一调查表对郫都区使用分散式供水的幼儿园进行调查,按照GB/T 5750.2-2006和GB 5749-2006对水样进行检验和评价。结果全区采用分散式供水的幼儿园水源均为地下水,2013年制定了饮用水管理制度的占82.1%(78/95),有消毒净化设备的占76.8%(73/95),仅消毒的占52.6%(50/95),仅净化的占24.2%(23/95),定期清洗水箱的占89.4%(85/95);2015年以上项目所占比例均有不同程度提高。2013-2015年共采集郫都区分散式供水幼儿园井水样本251份,水质总合格率为83.7%;各年水质合格率分别为86.3%、78.3%、86.3%,差异无统计学意义(=2.59,P≥0.05);14个镇中只有两个镇的水质总合格率为100%;不合格指标有微生物、铁、锰、色度、浑浊度、硝酸盐、氨氮、臭和味、总硬度。结论郫都区幼儿园分散式供水的现况不容乐观,应加强分散式供水设备的管理及水质的净化消毒。
[Abstract]:Objective to understand the present situation and water quality of distributed water supply in kindergartens of Yudu District, Chengdu, and to provide basis for its water quality improvement. Methods A unified questionnaire was used to investigate the kindergartens using distributed water supply, and the water samples were tested and evaluated according to GB/T 5750.2-2006 and GB5749-2006. Results the water sources of kindergartens with decentralized water supply in the whole region were groundwater. In 2013, 82.1% of the kindergartens had established a drinking water management system, 76.8 / 95% of them had disinfection equipment, 52.6% / 95% of them were only sterilized, 24.22% of them were purified, 89.4% were regularly cleaned of water tanks, 85% / 95% of water tanks were cleaned regularly in 2015. The proportion of the above projects has increased to varying degrees. In 2013-2015, a total of 251 samples of well water from decentralized water supply kindergartens in Yudu District were collected. The total qualified rate of water quality is 83.7; the qualified rate of water quality in each year is 86.3 and 78.3 respectively. There is no significant difference between them (2.59% P 鈮，

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