Circulating filter and purification system for fountain solution of offset press

The utility model discloses a circulating filter and purification system for fountain solution of an offset press. The circulating filter and purification system for the fountain solution of the offset press comprises a press water tank, the press water tank and a press fountain groove form a circulating loop through a pipeline, the press water tank is connected with the inlet end of a cyclone separator through a first water pump, a separating outlet is formed in the top of the cyclone separator, the bottom of the cyclone separator is connected with a two-stage filter through a pipeline, the outlet of the two-stage filter is connected with a quality control device, the quality control device is connected with a constant-temperature keeping device through a second water pump, and the constant-temperature keeping device is connected with the press water tank through a pipeline. The circulating filter and purification system for the fountain solution of the offset press is featured with simple structure, high cost performance, high-quality fountain solution, high filter core service life, high filter efficiency and the like, and the circulating filter and purification system for the fountain solution of the offset press is economical and durable.