Working principle of hydraulic backpack sprayer
Jan 29,2026
The power end (PTO/engine) drives the hydraulic pump, generating high-pressure oil to drive the hydraulic pump;
The liquid pump extracts the medicine from the medicine box and pressurizes it, and delivers it to the spray bar through the pipeline;
The high-pressure medicine is atomized into small droplets by the nozzle, evenly covering the crops;
The hydraulic system synchronously controls the unfolding, folding, and lifting of the spray bar to adapt to different crop heights and row spacing.
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Gao Ren Road, Beikanwei Village, Pangkou Town, Gaoyang County, Baoding City, Hebei Province