DRAIN MANIFOLD HEAD Russian patent published in 2016 - IPC E02B11/00 

FIELD: agriculture.

SUBSTANCE: invention relates to complex melioration of humidity zone agricultural landscapes using closed drainage. Head of the collector ditch comprises open channel 1 and connected to header 2 wellhead pipe 3 with a device for water discharge in shape of additional pipe 7 with waterproof walls. End of wellhead pipe 3 is equipped with gate valve 6 and curvilinear deflector 4, directed towards the place of location of grid 5 having a dome shape. Additional pipe 7 is installed in the same vertical plane with wellhead pipe 3. At its beginning, additional pipe 7 is connected to wellhead pipe 3 in its lower part on the boundary with the pipe of closed collector ditch 2. At its end, additional pipe 7 is bent up and has detachable nozzle 8, arranged inside well 9 and directed towards the inner surface of dome-shaped grid 5 one end of which is connected to well wall 9 with the help of hinge 11. Well 9 is incut into the bottom of open channel 1, while its side walls have outlet holes 10. Free end of grid 5 is equipped with bent plate 12 attached to which is drive 13 for drum 14 installed on channel 1 bank.

EFFECT: invention considerable increases reliability of the device operation and reduces operational costs related to purification of the well and grid.

3 cl, 1 dwg