EARTHWORMS GROWING APPARATUS Russian patent published in 1994 - IPC

FIELD: agriculture. SUBSTANCE: apparatus has roof and frame, which are secured in guides by means of rollers for displacement in horizontal plane. Roof and frame are connected at both sides with winches through cables. Thermal relay disposed in a trench is united with drive of winches, which are connected with roof. Frame is connected with carcass of hollow walls of aerators through winches. Upper part of aerators is formed as inverted hermetically sealed trough, remaining part is defined by perforated plates. Hollow walls are connected with chamber having fan, through drain pipes and branch pipes, extending through water body in basin. Guides are rigidly mounted on frame. Tubular carriage with sprinkling nozzles is mounted in guides on rollers. Carriage is connected with winches and flexible pipes, which are suspended on cables. Carriage is in contact with microswitch united with winch drives. Aerator may be formed by branch-pipes, arranged in several rows in equally spaced relation and connected with frame at an angle of 90 deg. EFFECT: increased capacity and enhanced reliability in operation. 2 cl, 6 dwg