Note: Including the recirculation of filter backwashing wastewater and filtrate out of the dewatering machine back into the buffer tank.
注：考虑到过滤器反冲洗废水和脱水机滤出液回流到调节水池。
Experimental researches on the reuse of filter backwashing water are carried through by giving a thorough analysis to the drainage technology in Xinkaihe Waterworks.
通过对新开河水厂排水工艺的深入分析，进行了滤池反冲洗水回用的试验研究。
At present, time period of filters are mainly used for starting up the backwashing instruction to control filter backwashing automatically in most of domestic water plants.
目前，国内大部分水厂的滤池自动反冲洗控制主要通过滤池工作的时间周期来启动反冲洗指令。
Backwashing is one of the methods to maintain a filter bed clean.
反冲洗是保持滤床清洁的方法之一。
Impact of backwashing on biomass growth in biological active filter was researched.
研究了反冲洗对生物活性滤池生物量的影响。
This example showed that the air-water backwashing system applied in the siphon filter is practicable and effective, with a good treatment and economic results.
实例表明，虹吸滤池运用气水反冲系统是可行、有效的，具有较好的处理效果和经济实用性。
A new non-overflow dual-layer filter that is build without simultaneous overflow at time of backwashing and widely applied abroad is presented in this paper.
非溢流排水滤池是一种在反冲洗时不溢流排水的双层滤料滤池。
Considering the high turbidity of the Yangtze River water, two-stage high efficient reaction and sedimentation tanks, and sand filter with air-water backwashing are employed.
针对长江原水浊度较高的特点，采用了两级高效反应沉淀池、均质石英砂滤料气水反冲洗滤池处理工艺。
The filter adopted a new type of microporous porcelain plate as filtrating media and consisted of rotor, distributor, stirrer, scraper, slurry tank, and vacuum, backwashing and auto control systems.
陶瓷过滤机采用新型微孔陶瓷板为过滤介质，由转子、分配头、搅拌器、刮刀、料浆槽、真空系统、反冲洗系统和自控系统组成。
This paper introduced the air-water backwashing technique applied in the renovation of the siphon filter in Guilin railway water plant.
以桂林铁路水厂虹吸滤池反冲系统改造为例，介绍了反冲系统改造中采用的气水反冲洗工艺。
The backwashing frequency of bio-ceramic filter is one time per week.
生物陶粒柱的反冲频率为每周一次。
Backwashing sludge of biological aerated filter (BAF) was studied with analysis of composition and activity of microbe as well as settling and bioflocculation performance.
研究了曝气生物滤池(BAF)反冲洗污泥的生物相组成、生物活性、沉降特性及絮凝性能。
After finishing backwashing, active carbon filter goes into operation.
反洗完毕后，活性炭过滤器投入运行。
Their filtering process and backwashing process all have the features of static filter. These features and the chief parameters influencing the filters' function were analyzed.
笔者对静态过滤器的特征及影响过滤器性能的主要参数进行了分析，并对过滤器的滤芯结构、过滤形式、运行特征进行了比较。
With the extension of the running time, the pressure difference of the machine filter increases and needs to have backwashing. Have backwashing once every seven days and 15 minutes every time.
机械过滤器随着运行时间的延长，压差增加，需要进行反冲洗，七天反冲洗一次，每次15分钟。
With the extension of the running time, the pressure difference of the machine filter increases and needs to have backwashing. Have backwashing once every seven days and 15 minutes every time.
机械过滤器随着运行时间的延长，压差增加，需要进行反冲洗，七天反冲洗一次，每次15分钟。
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