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城市供水如何确保质优量足_华兴信朗科技有限公司 </title>
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<h1>城市供水如何确保质优量足</h1>
<p class="titBar">发布日期2019-08-05&emsp;浏览次数655</p>
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<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">连日的高温酷暑让全市用电量刷新历史纪录的同时用水量也节节攀升。7月31日南京水务集团所属七大水厂日供水量达到211.5万吨,创下夏季用水历史最高纪录。“烤验”之下,城市供水如何既保量又保质?</span>
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<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span style="font-size: 16px;">供水量跟得上吗?不仅“够”,而且还有“空间”</span></p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">去年我市夏季日供水量最高值为189万吨。而今年自7月15日起主城日供水量已连续多日超过190万吨尤其近期更是多次超过200万吨。7月31日南京日供水量达到211.5万吨其中主城205.2万吨,创下历史新高。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">市水务集团所属共7个水厂分别为北河口水厂、城南水厂、上元门水厂、城北水厂、龙潭水厂、燕尧水厂、浦口水厂服务范围覆盖主城、八卦洲、江北部分片区和高淳等区域。生产管理部部长陈振海介绍说七大水厂目前供水设计能力为每天241.2万吨不仅能满足目前需求还有一定的调蓄空间。而且水务集团去年到今年相继实施了上元门水厂深度处理改造、城北水厂深度处理及扩建工程、浦口水厂深度处理及扩建工程、北河口水厂深度处理改造等项目。这些项目建成后每日供水能力将再增长25万吨。目前各大水厂供应管道已经实现互联互通调度中心可以根据各区需求量科学调度及时补给实现供水平衡。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">全市最大的水厂北河口水厂总设计规模120万吨主城一半的供水来自这里。该厂一般夏季日供水90万吨以上去年最高为98万吨今年7月31日突破百万吨达到历年最高。水厂负责人告诉记者100万吨的供水量虽然还没达到设计规模的极限但南京用水呈“早晚集中爆发中午和凌晨平缓”的格局上下起伏大在用水最高峰时段水厂的滤池、沉淀池、清水池已接近满负荷状态。为此他们未雨绸缪深度挖潜早在年初就启动了夏季保供方案。3月份检查阀门故障将滤池气动阀门更换为电动阀门5月泵房老旧机组更新各类电器保养、检测确保机器在夏季来临时能经受住考验。</span>
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<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">8月2日记者在北河口水厂控制中心看到厂区所有机房都在监控范围内故障报警即刻通知检修。当天的大屏显示共有19个故障点。“大部分都是小毛病。现在的控制设备一般都是智能化的对高温敏感只要人工复位就没问题了。”负责人表示厂里除了日常巡检还成立了应急中心实行24小时总值班。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span style="font-size: 16px;">汛期水浊长江取水口安全吗24小时监测随时调整工艺</span></p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">今年汛期长江中上游地区连降暴雨上游来水杂质较多。北河口水厂位于夹江的取水口水质平时浊度在50—60NTU进入汛期后超过80NTU是常态。遇到暴雨或三峡大坝泄洪浊度可达100—200NTU。浊度的上升会影响自来水的水质吗</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">“浊度再高也不会影响进入居民家中的自来水水质。”北河口水厂负责人表示为保障水质安全每个取水口都有视频监控接受中心控制平台在线监测。自动传输设备24小时不间断检测水质检测数据实时显示在智慧监控大屏上。记者采访时看到当天的浊度为60NTU。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">“检测浊度和氨氮含量是要根据这两个数据来决定施工工艺。比如超过80NTU就要加大排泥频率增加明矾量工艺流程增多确保出厂水质始终在国家标准之上。”该负责人说“这几年随着长江保护的力度越来越大沿线生产单位、建筑等的迁移水源地水质得到有效保障。沿江取水口水质常年保持在地表二类水的水准优于国标。”</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">自来水水质还有没有进一步提升的空间呢记者了解到到今年年底7大水厂将全部完成深度处理改造推动我市自来水水质再上一个台阶。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">上元门水厂20万吨深度处理工程目前已试通水。项目负责人告诉记者过去的工艺水出沉淀池后直接进入V型滤池深度处理改造后在两者之间新增臭氧接触池、活性炭滤池达到更高的净化“现在的自来水已经从合格水变成了优质水”。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span style="font-size: 16px;">主管道如何确保清洁?更换新型材料,末端进行清洗</span></p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">优质的自来水从水厂出发后,要经过四通八达的供水管网才能输送到各家各户的水龙头。但是由于供水管道的材质、年限的不同,可能会造成品质的差异。如何保证运输中的安全问题呢?</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">市水务集团管线管理所主任潘玉明告诉记者过去的市政水管材料包括老式铸铁管、水泥管、镀锌管、PVC管等这些材料随着使用年限的增加、地下情况的变化可能会存在锈蚀、渗漏、破损等问题造成水质的二次污染。因此他们每天都会安排人员巡检包括检查暗漏点及时补损。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">结合市政道路建设和老旧小区环境整治水务集团每年还会更换约40公里的老旧自来水管。截至目前新材料主水管已占全市总量的80\%以上。这些管道以球墨铸铁管和PE管为主。球墨铸铁管道有铁的本质、钢的性能防腐性、密封性能和抗压性优越。PE管作为一种塑料材质韧性高耐化学腐蚀不易结垢和孳生藻类病菌。今年我市还拟对老旧管网的末端区域进行清洗。对暂时没有列入计划或者其他原因不能更换管网的首批已排定20多个小区将清洗管道消除陈垢。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">有网文称,每天早上应打开水龙头空放一段时间水再使用,管道隔夜水最好不要喝。这是真的吗?潘玉明表示,自来水管是一个密封空间,而且里面还加入了杀菌的氯气,水质不会有问题。我市出厂水和到户水质在全国均排在前列,随着主水管全部更换新材料,未来拧开水龙头直接喝也不是不可能。鉴于水表入户后的管道是居民自己安装,他建议市民装修时,购买质量有保障的材料,向商家索要产品合格证和卫生许可证,管道材料需要达到饮用水标准。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span style="font-size: 16px;">老小区何时不用再喝水箱水已完成572个小区的二次供水改造</span></p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">供水企业管网水先流进小区的水箱、水池,再通过水泵抽水加压送到每户家庭,被称为“二次供水”。在老旧小区,由于供水设施当初未按标准规范建设、或后期维护管理不力、或清洗消毒不到位,普遍存在内部管网损漏、水压不稳现象,同时也存在水质二次污染隐患。进行供水改造、用上直供水成为这些小区居民的迫切需求。今年夏天,他们的愿望实现了吗?</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">记者了解到为彻底解决二次供水“城市病”让老百姓喝上“放心水”市委市政府高度重视将老旧小区二次供水设施改造列为重要民生实事予以推进制定了主城六区“二次供水改造3年行动方案”。自2015年至2017年我市已经对572处老旧小区进行了二次供水改造涉及约20万住户60万居民。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">此轮二次供水设施改造,是从二次供水管线到水池(箱)、泵站的全面改造:废除了老旧混凝土水池、水箱,由新型健康环保的管材替换锈蚀老化的铸铁管、镀锌管等落后管材;具备直供水条件的改为直抽方式供水;新建水箱全部采用食品级不锈钢水箱;符合条件的同时实施水表出户;不锈钢水箱由水务集团组织人员定期清洗、检测水质,居民用水安全得到了有效保障。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">由于地势较高或处于管网末梢主城区仍有部分住宅小区处于供水低压区域。2018年底我市又完成了30处低压片区的改造任务受益居民1万余户实现了水压水质的双提升。</span>
</p>
<p
style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 5px; word-wrap: break-word; line-height: 28px; color: rgb(51, 51, 51); white-space: normal; text-indent: 2em; font-family: arial, helvetica, sans-serif;">
<span
style="font-size: 16px;">民生补短板不止步。记者获悉今年水务集团还将推进江北新区范围内的二次供水改造工作共9处小区涉及约5500户居民。目前部分小区已完成立项即将开工让居民受益。</span>
</p>
<p><br></p>
<p><span
style="color: rgb(102, 102, 102); font-family: 宋体; font-size: 12px; text-align: center; background-color: rgb(239, 239, 239);">文章来源:南京日报</span>
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