Screening system

The present invention relates to a screening system consisting of one or more screening sections wherein at least one of the screening sections comprises: a pulp screening machine having an inlet and an outlet; one end of the circulating tank in the length direction is provided with an input side for receiving slurry to be screened, and the other end of the circulating tank in the length direction is provided with an output side; the pulp pump is used for pumping the to-be-screened pulp contained in the circulation tank to an inlet of the pulp screening machine from the output side, and slag discharged by the pulp screening machine can be supplied to the input side of the circulation tank or discharged out of the screening system according to selection; the diluted white water supply device is used for adjusting the inlet concentration of the pulp screening machine by adding a proper amount of diluted white water into the circulating tank or the pipeline in front of the pulp screening machine. 本发明涉及一种筛选系统，所述筛