Furfural wastewater treating and recycling device

The utility model belongs to the technical field of wastewater treatment and recycling devices, and relates to a furfural wastewater treatment and recycling device. The device comprises a degreaser, a microfiltration membrane separation system, a nanofiltration membrane separation system and a reverse osmosis membrane separation system, a collection tank is connected with the degreaser through a pump, the degreaser is provided with an oil phase discharge port and a water phase collection tank, the water phase collection tank is connected with the microfiltration membrane separation system through a pump, the microfiltration membrane separation system is respectively connected with a concentrated liquid collection box A and a clear liquid collection box A, and the clear liquid collection box A is connected with a reverse osmosis membrane separation system. The concentrated liquid collecting box A is connected with an outlet of the water phase collecting tank; the clear liquid collection box A is connected with