REVERSE OSMOSIS MEMBRANE MODULE-SPECIFIC OSMOTIC BACKWASH SYSTEM

摘要

The present invention relates to a reverse osmosis membrane module-specific osmotic backwash system. The reverse osmosis membrane module-specific osmotic backwash system for washing a plurality of modules which are in a train of a reverse osmosis membrane comprises: a plurality of high concentration cleaning solution valves installed on a front end of each module to receive raw water, and for supplying the received raw water to each module as a high concentration solution for osmotic cleaning or blocking the received water; a plurality of low concentration cleaning solution valves installed on a rear end of each module, and re-supplying production water generated from each module to each module as a low concentration solution for osmotic cleaning or blocking the production water; a plurality of raw water valves installed on a front end of each module, and supplying raw water which is compressed by a pump to each module or blocking the raw water; and a plurality of discharge valves for discharging a high concentration foreign material discharge solution including pollutants removed by an osmosis phenomenon between the high concentration solution for osmotic cleaning and the low concentration solution for osmotic cleaning from each module. Accordingly, pollutants of a membrane can be discharged as a high concentration foreign material discharge solution by an osmosis phenomenon between a high concentration solution for osmotic cleaning and a low concentration solution for osmotic cleaning from a corresponding module by controlling supply of the high concentration solution for osmotic cleaning for each module through the valves.