Dosing-free online cleaning method and device of reverse osmosis system
A cleaning device and reverse osmosis technology, used in reverse osmosis, chemical instruments and methods, semi-permeable membrane separation, etc. Achieve the effect of avoiding physical damage, simple control logic, and high degree of automation
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[0048] The following describes the implementation of the present invention in detail with reference to the drawings and embodiments.
[0049] Take the 2000 tons / day seawater desalination first-level reverse osmosis system as an example. The raw water of the system is sea water in a certain sea area in my country. The system uses 8 inch membrane modules 10, the total number is 16, and the number of membrane elements 11 in each membrane module is 8 (N=8), divide the 16 membrane modules 10 into 2 groups, and clean 8 membranes each time, that is, M=8; the production water flux of each membrane is Q PRODUCT =1.042m 3 / h, the volume of the 8-inch 8-core membrane pressure vessel V=0.25m 3 , The cleaning system start and stop delay T START+STOP =0.05h, the total volume of the cleaning pipeline V C =1 m 3 .
[0050] The specific drug-free online cleaning device of the 2000 tons / day reverse osmosis system includes:
[0051] The reverse osmosis system includes 16 membrane modules 10, the wate...
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