Full-hydrodynamic automatically-controlled supercharged fertilizer apparatus

Abstract

The invention discloses a full-hydrodynamic automatically-controlled supercharged fertilizer apparatus which comprises a supporting assembly, a power assembly and a fertilization assembly, wherein the supporting assembly contains a first support plate, a second support plate and a third support plate which are parallel to each other and are arranged in a proper order; the power assembly contains large telescopic bellows and an elastomer; inflow and outflow of the large bellows are controlled to change pressure; by pressure difference between the large bellows and the elastomer, reciprocating motion of the second support plate is realized; the fertilization assembly contains small telescopic bellows; and the small bellows are alternately stretched or compressed with continuous reciprocating motion of the second support plate, and pressure in the cavity is reduced or increased with the stretching or compression such that a fertilizer is inhaled from a fertilizer inlet one-way valve and is pressed out of a fertilizer outlet one-way valve. The apparatus has advantages as follows: a system is simple; components are easily available; costs are low; and reliability is high. Only driven by hydraulic pressure, the apparatus can adapt to a low-pressure work environment and is suitable for our national situation of low-pressure-pipeline irrigation.

Description

technical field [0001] The invention relates to the field of agricultural fertilizing and spraying machinery, in particular to a fully hydraulically driven and fully automatic controlled fertilizing and spraying device, which is used to realize fully automatic fertilization and chemical spraying in the irrigation process. Background technique [0002] Fertilizers and nutrients are essential elements for crop growth. The irrigation and fertigation devices currently used in China can be mainly divided into four categories. Self-pressure fertilization, differential pressure fertilization, suction fertilization and injection fertilization. [0003] The disadvantage of the self-pressurized fertilization device is that the coverage area is small and the device is difficult to move. The disadvantage of the differential pressure fertilization device is that it needs to manually add fertilizer frequently, which is not easy to realize automation; the concentration of the fertilizer ...

AI Technical Summary

Problems solved by technology

Its shortcomings are mainly manifested in: 1) The piston pump cylinder used adopts a piston structure, and the corresponding control valve adopts an ordinary reversing valve and a stroke valve. These components have requirements for the minimum working pressure. Various piston pump cylinders are composed of The fertilization device requires that the working pressure of the water is not lower than 0.25MPa, and some even require not lower than 0.4MPa, which obviously cannot meet the requirements of the existing low-pressure pipeline water delivery irrigation in our country.

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