Water reuse equipment for water treatment

The utility model is applicable to the technical field of reclaimed water reuse, and provides reclaimed water reuse equipment for water treatment, which comprises a sewage treatment chain which is divided into four parts, namely a filtering link, a purifying link, a disinfecting link and a detecting link in sequence, the purification link comprises a biological reaction tank for purifying sewage, a dosing device for adding microorganisms participating in chemical reaction, and a membrane separation tank for filtering the purified sewage; the dosing device is connected with the biological reaction tank through a pipeline, the biological reaction tank is connected with the membrane separation tank through a pipeline, the biological reaction tank is also connected with the membrane separation tank through the circulating pump, and the membrane separation tank is connected with the dosing device through a pipeline. A meter is arranged at the water outlet of the membrane separation tank; compared with the traditio