Reverse osmosis online cleaning device

The invention belongs to the field of reverse osmosis device film component cleaning, in particular to a reverse osmosis online cleaning device, which is suitable for multiple sets of parallel reverseosmosis online cleaning. The reverse osmosis on-line cleaning device comprises a cleaning water pump, a cleaning water tank and a cleaning filter, wherein the cleaning water pump is respectively connected with the cleaning water tank and the cleaning filter through cleaning pipelines; the cleaning filter is respectively connected with water inlet pipelines of a first-stage reverse osmosis film component and a second-stage reverse osmosis film component through the cleaning pipelines; concentrated water outlet pipelines of the first-stage reverse osmosis film component, the concentrated wateroutlet pipelines of the second-stage reverse osmosis film component and water production pipelines of the reverse osmosis film component are all connected to the cleaning water tank through the cleaning pipelines; gate valves