大丰水厂斜管沉淀池排泥系统技术改造

208Vol352009陈瑶1彭祥2盛丹阳2宋海涛2倪莉2陈明2(1,210009;2,224100)针对斜管沉淀池穿孔排泥管堵塞及其他问题,介绍了几种改造措施,如扩大穿孔排泥孔眼;将排泥槽边倾角由原来的46改造成55;增设压力喷嘴及排泥活门装置;将原有的普通低压闸阀改装成手动杠杆式快开排泥阀等改造后的斜管沉淀池排泥顺畅,产水量提高,自耗水降低,证实了改造方案切实可行穿孔排泥管堵塞孔眼积泥层含水率,,,,;,,,;,,,,1(1),,,(2),,(3)V,,(4)DN200,,(5),,,,,,,,2,,,,,331,DN30~40,DN20~30,DN30~40,,,,,,,DN200DN300UPVC,,,,DN25DN3232V,V4655,,,,Vol352009209335~10cmDN25,90,,DN25,,,,,,,34:,,1,,,,,:,,,,,,m3,,,,1351200,842161344,,,60,(2),244,,,,;,参考文献1..:,20002..:,19853..:,19974..:,19815..:,19786..,1996,12(2):34~357..,1997,(5):31~328..,2007,33(11):101:22410060602:13962091169:2009-02-23