DEVICE FOR INTRODUCING LIQUID FERTILIZERS INTO IRRIGATION WATER Russian patent published in 2022 - IPC A01C23/04 A01C23/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture. A device for introducing liquid fertilizers into irrigation water is characterized in that the device contains a container for liquid fertilizers, a pressure pipeline with a valve, hydraulic communication channels, an ejector, shut-off valves, a filter, a dosing pump connected through check valves to a container for liquid fertilizers and a pressure pipeline after the valve, a hydraulic motor with working cavities and a piston connected through a rod with a dosing pump and through a spring-loaded switch with a pneumatic distributor, moreover, the ejector is equipped with a receiver with a water level limiter and communicates with the pressure pipeline after the valve, the pneumatic distributor is made in the form of a housing with an inlet and two exhaust channels on one side and two outlet channels on the other side and a rod with a discontinuous diameter, while the inlet channel of the pneumatic distributor is in communication with the water level limiter, the exhaust channels are in communication with the ejector and the atmosphere through check valves, and the outlet channels are in communication with the working cavities of the guide the engine, and the ejector outlet is made with a blind end and with side windows and is installed in the receiver below the water level limiter.

EFFECT: invention improves the reliability of the device and the durability of part of its components by ensuring their operation in a neutral environment (in air).

1 cl, 7 dwg