Filter screen capable of being used for sectional backflushing

The utility model relates to the technical field of multi-core type self-cleaning filters, and discloses a filter screen capable of being used for sectional backflushing, which comprises a filter device and a filter screen, the backwashing mechanism is arranged in the filtering equipment; the backwashing mechanism comprises a backwashing channel arranged in the filtering equipment, and an upper backwashing collecting pipe is arranged above the backwashing channel. Compared with the traditional device, the sectional backwashing can be realized through the middle partition plate, so that the backwashing is cleaner during backwashing, the service life of the filter screen is prolonged, pollution discharge is realized at two ends, the length of a backwashing filter element is reduced, the filter element can be washed clean while the filter surface is increased, an impurity discharge path is shortened, and the possibility of impurity accumulation is reduced; and through rotation of the motor, after one filter elem