Separate adjusting device and polymer injection tubular column equipment

The invention discloses a separate adjusting device and multi-pipe polymer injection equipment, the separate adjusting device can greatly reduce shearing of a water nozzle to an adjusting displacement liquid and can reduce torque of a cable measuring and adjusting instrument to adjust the separate adjusting device, and the separate adjusting device comprises an upper joint, a central pipe, a core pipe, an alloy ring, an outer water nozzle pipe sleeve, an inner water nozzle pipe sleeve and a lower joint, the upper connector, the outer water nozzle pipe sleeve and the lower connector are sequentially connected, the center pipe is arranged in the upper connector, one end of the center pipe is welded to the end of the outer water nozzle pipe sleeve, the core pipe is arranged in the center pipe and is in threaded connection with the inner surface of the outer water nozzle pipe sleeve, and the oil pipe is installed at the end, away from the lower connector, of the upper connector. A plurality of outer water nozzle