均粒滤料及粗滤料在快滤池的应用  

APPICATION OF UNIFORM AND COARSE GRANULAR FILTERING MEDIA FOR FILTERS

作　　者：张永复 

机构地区：[1]天津市自来水公司,300450

出　　处：《给水排水》1993年第10期9-13,共5页Water & Wastewater Engineering

摘　　要：天津自来水公司塘沽各水厂,在不改变滤池结构、反冲洗方法和操作习惯的条件下,仅将快滤池的传统滤层改为均粒石英砂滤层,产水量提高了15%,而滤层的费用仅增加7%。其中塘沽五水厂改为砂滤层后,产水量比原设计提高了70%。The capacities of rapid filters in waterworks at Tanggu,Tianjin increased 15 percent,and even 70 percent for the Tanggu 5th waterworks as a special case,by replacing the traditional sand filter bed to uniform quartz sand filter bed while the structure,the backwashing and the operation process of the filters are kept status quo ante without any Change.The cost of new filtering bed increased only 7 percent.

关 键 词：快滤池 粗滤料 均粒滤料 

分 类 号：TU991.24[建筑科学—市政工程]