1) automatic backwashing of rapid sand filter
快滤池自动反冲洗
2) automatic washing filter
自动冲洗滤池
3) filter backwashing
滤池反冲洗
1.
Aimed at the practical problems of frequent air blower standby operation during filter backwashing in waterworks,the energy-saving automation control methods of filter backwashing are put forward,and the benefit obtained in the practical application is analyzed.
针对自来水厂滤池反冲洗过程中存在鼓风机经常空挂待机运行的实际问题,提出了滤池反冲洗的节能自动化控制方法,并对实际应用中的效益进行了分析。
4) automatically counter flushing sieves
自动反冲洗滤网
1.
Included are electronically weighing belt type coal feeders for boilers, automatically counter flushing sieves for steam turbine systems as well as serial products of exciter equipment.
介绍了电站新型机电一体化辅机研制和应用的某些新进展 ,包括锅炉用电子称重皮带式给煤机、汽轮机等系统用自动反冲洗滤网和发电机励磁设备系列产
5) filter backwash water
滤池反冲洗废水
1.
A bench and full scale tests were carried out to investigate the reuse of filter backwash water in a waterworks taking raw water from Xiangjiang River.
以湘江原水为研究对象 ,对滤池反冲洗废水回用进行了小试及生产性试验研究。
2.
The research of recycling and reuse of filter backwash water has been done by field experiments in water plant of raw water taken from surface water bodies such as Xiang River.
以湘江原水为研究对象，对滤池反冲洗废水回用进行了小试及生产性试验研究。
6) air-water backwash filter
气水反冲洗滤池
1.
Early in 1992, Wuhan Water Group has imported V-filter process, which has been renovated into the air-water backwash filter with specific feature, and has been applied in many waterworks in Wuhan and nearby areas.
武汉市水务集团最早于1992年引进V型滤池工艺,经过不断消化、吸收和改造后,形成了独具特色的气水反冲洗滤池,并在武汉及周边多座水厂得到应用。
2.
In order to minimize water consumption for backwash and to improve drinking water quality, the siphon filter was replaced of an air-water backwash filter in Zhuganshan Waterworks, Chaozhou City.
为节约反冲洗用水量,提高供水水质,潮州市竹竿山水厂将虹吸滤池改造为气水反冲洗滤池。
补充资料：滤池冲洗
分子式：
CAS号：
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。
CAS号：
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条