1 清洗UF清洗装置
1) 开清洗水箱工业水进水阀启动二级RO水泵清洗水箱注满水关闭
2) 开清洗水泵(1#2#)进口门出口门循环门启动清洗水泵洗水箱10min
3) 停止洗水泵开清洗水箱排污门水排空开清洗水箱工业水进水门清洗水箱进满水
4) 开保安滤器进水门保安滤器UF装置清洗出口门关闭循环门开UF清洗进口门浓水侧清洗回流门产水侧回流门
5) 启动清洗水泵清水试验清洗回路
2 UF装置排空:开UF排门排门产水排放门UF装置排空
3 保安滤器装置排空:开保安滤器排空阀排污阀滤器水排空
4 配置保护液:亚硫酸氢钠100kg开工业水进水门水位14m(浓度1)开清洗水泵进出口门循环门关闭保安滤器进口门启动清洗水泵循环30mins药液充分溶解
5 循环:
1) 开UF清洗进口门浓水侧清洗回流门产水侧清洗回流门
2) 开清洗水泵(1#2#)进口门出口门保安滤器进口门关闭保安滤器UF装置清洗出口门开保安滤器排空门
3) 启动清洗水泵(1#2#)排空门药液排出时开保安滤器UF装置清洗出口门关闭排空门
4) UF注入保护液循环保护液1时
6 浸泡:停清洗水泵关闭UF清洗进口门浓水侧清洗回流门产水侧清洗回流门
7 洗:
1) 洗清洗水箱
a) 开清洗水箱工业水进水阀启动二级RO水泵清洗水箱注满水关闭
b) 开清洗水泵进口门出口门循环门启动清洗水泵洗水箱10min
c) 停泵开清洗水箱排污门水排空
d) 开清洗水箱工业水进水门清洗水箱进满水
2) 洗清洗保安滤器清洗液进药路
a) 关闭循环门开清洗保安滤器UF出口门关闭清洗液浓水侧回流门清洗液产水侧回流门开排门产水排放手动门
b) 启动清洗水泵保安滤器进药路清洗液顶出
c) 清洗水箱水位处低位时停止清洗水泵
3) 洗UF装置
a) 开UF排门产水排放手门进水门启动超滤水泵洗水质合格
b) 开UF洗门产水排放手门启动超滤水泵洗水质合格
4) 洗清洗装置回流道
a) 开UF进水门浓水侧清洗回流门产水侧清洗回流门关闭清洗进水门UF产水排放门UF浓水排放门
b) 启动UF水泵洗清洗装置道清洗箱5min
注:化学保养期间UF装置切换状态禁止操作
UF unit preservation procedure
1 Flush the UF cleaning unit
1) Open the clear water inlet valve start the secondary RO feed pump filling the flushing tank with the clear water
2) Open the flushing pump inlet valve and outlet valve circulation valve start the flushing pump to flush the flushing tank for 10mins
3) Stop the flushing pump open the flushing tank blow down valve and discharge the dirty water in the flushing tank Open the clear water inlet valve filling the flushing tank with the clear water
4) Close the circulation valve open the safety filter inlet valve the safety filter to UF outlet valve the UF washing liquid inlet valve1# UF washing liquid outlet valve and 2# UF washing liquid outlet valve start the flushing pump checking the pipeline
2 Discharge the safety filter open the safety filter air vent valve and blow down valve
3 Discharge the UF unit open the UF up drain valve the down drain valve UF outlet drain valve
4 Prepare the preserve liquid open the clear water inlet valve make the liquid level equal to 14m put the 100kg NaHSO3 into the flushing tank open the flushing pump inlet valve and outlet valve circulation valve close the safety inlet valve start the flushing pump to dissolve the chemical absolutely for 30mins
5 Circulation
1) Open the UF washing liquid inlet valve 1# UF washing liquid outlet valve and 2# UF washing liquid outlet valve
2) Open the flushing pump inlet valve and outlet valve close the circulation valve open the safety filter inlet valve close the safety filter to UF outlet valve and open the safety filter air vent valve
3) Start the flushing pump when the preserve liquid drain from the air vent valve open the safety filter to UF outlet valve and close the air vent valve
4) Circulate the preserve liquid between the flushing device and UF unit one hour and stop the flushing pump
6 Preservation stop the flushing pump close the UF washing liquid inlet valve 1# UF washing liquid outlet valve and 2# UF washing liquid outlet valve
7 flushing
1) Flush the UF cleaning device
a) Open the clear water inlet valve start the secondary RO feed pump filling the flushing tank with the clear water
b) Open the flushing pump inlet valve and outlet valve circulation valve start the flushing pump to flush the flushing tank for 10mins
c) Stop the flushing pump open the flushing tank blow down valve and discharge the dirty water in the flushing tank
d) Open the clear water inlet valve filling the flushing tank with the clear water
2) Flush the flushing safety filter and chemical cleaning liquid inlet pipeline
a) Close the circulation valve open the flushing safety filter to UF outlet valve close the1# UF washing liquid outlet valve and 2# UF washing liquid outlet valve Open the up drain valve and the outlet drain valve
b) Start the flushing pump flushing the flushing safety filter and chemical cleaning liquid inlet pipeline
c) Stop the flushing pump when the flushing tank liquid level is low
3) Flush the UF unit
a) Open the UF up drain valve outlet drain valve inlet valve start the UF feed pump flush the UF unit
b) Open the UF inlet flashing valve outlet drain valve start the UF feed pump flush the UF
4) Flush the UF flushing backflow pipeline
a) Open the UF inlet valve 1# UF washing liquid outlet valve and 2# UF washing liquid outlet valve
b) Close the washing liquid inlet valve the UF outlet drain valve and up drain valve
c) Start the UF feed pump flush the UF flushing device pipeline and flushing tank 5min
Attention during the UF unit is preserved any operation is banned
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