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1)  backsurging operation
反冲洗作业
2)  backwashing
反冲洗
1.
Study on the filtration and backwashing for the quartz filter in micro-irrigation;
微灌过滤器石英砂滤料过滤与反冲洗研究
2.
Parameters experiment of backwashing on sandy filter in micro-irrigation;
微灌用砂石过滤器反冲洗参数试验
3.
Study on backwashing of bio-filter bed of iron and manganese removal in steady running period;
生物除铁除锰滤池稳定运行阶段反冲洗研究
3)  backwash [英]['bækwɔʃ]  [美]['bæk'wɑʃ]
反冲洗
1.
Study on Backwash Properties of Biological Aerated Filter;
曝气生物滤池反冲洗特性的研究
2.
The results showed that the optimal press is 19~65 kPa and the optimal interval of backwash is 25 min.
该装置在运行压力为19~85 kPa,反冲洗间隔为25 min的条件下连续运行。
3.
It was found that PAC addition was effective in enhancing flux and that flux could be recovered by backwash,suggesting that PAC can prevent membrane from fouling.
投加粉末活性炭能有效地提高膜通量,通过反冲洗,膜通量能得到很好的恢复,说明粉末炭能防止膜污染。
4)  back washing
反冲洗
1.
The tracking information of over two years after improvement of the dual filter by high speed wire back washing showed benefit and practical value after the improvement.
着重介绍了川威高线精轧机稀油循环润滑系统使用及改进的原因、方法及过程,通过反冲洗改进双联过滤器两年多来的跟踪信息,说明反冲洗改进双联过滤器产生出的效益及实用价值。
2.
The key parameters in the operations were summarized as filtration precision,filter medium,filtration operation,back washing and so on.
结合炼钢连铸水处理的实例,从研究过滤机理(理论发展及物理模型)出发,探讨了过滤技术和设备在该类水处理工程中的应用,提出了运行中的关键问题,如过滤精度、滤料、过滤操作及反冲洗等。
3.
The oil field waste water automatic treatment system comprises automatic dosing, automatic blow-down and automatic back washing.
油田污水处理自控系统主要包括自动加药、自动排污、自动反冲洗三部分。
5)  back flush
反冲洗
1.
The process and structure of the biofilter is described, including details of capacity load N s value, filter material, back flush, filter division and specific steps of the process, with the example of Malan Sewage Treatment Works in Dalian.
介绍了曝气生物滤池的工艺和结构,并对设计中的容积负荷Ns取值、滤料、反冲洗、滤池划分和具体工艺作了详细阐述。
6)  backpressure flushing
反压冲洗
1.
The fouling mechanism of hollow fibre ultrafiltration (UF)membrane for processing soy protein solution and the control effect of backpressure flushing on the UF membrane fouling are studied in this paper.
研究了中空纤维式超滤器浓缩大豆蛋白水溶液时的膜污染机理以及反压冲洗法对膜污染的控制作用 。
补充资料:反冲洗
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性质:又称滤池冲洗。为恢复滤池正常工作所采用的反向水流冲洗滤层的操作过程。操作时,水流经底部排水系统反向通过滤池,以冲洗掉滤料中的堵塞物质,并减少产生水头损失的因素。不同类型的滤池具有不同的反冲强度与反冲时间,对于快滤池反冲强度为36~54m/h,反冲洗时间为5~10min,滤层膨胀率达40%~50%。另外,在采用离子交换法处理水或废水时,以及树脂再生操作前也需先进行反冲洗,其目的在于松动树脂层和去除树脂层中的杂质、破碎颗粒等。

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