Screen forming apparatus.

摘要

A screen forming apparatus comprises a long pipe (1) of the predetermined length floatable in the water, a pump (2) for conveying the water through the pipe (1),a pipe (9) connecting the pipe (1) with the pump (2), an air-water device (24) provided with the pipe (9) for mixing the water with air, a number of nozzles (3, 4) disposed along the longitudinal direction of the pipe (1) at the predetermined intervals for injecting the water in the form of screen (13), and a device (62, 64) for producing air curtains (66) flowing along the front and the rear surfaces of the screen (13) in order to maintain the screen (13) substantially uniform in thickness.