Conditioner preparation device for reducing continuous cropping obstacles of shallots and preparation method thereof

The invention discloses a preparation device and a preparation method of a conditioner for reducing continuous cropping obstacles of shallots. The device comprises a reaction kettle, one side of the reaction kettle is provided with an input port for inputting raw materials, and the bottom of the reaction kettle is provided with an output port; a transmission shaft capable of periodically rotating at a variable speed is concentrically arranged in the reaction kettle, a first cross arm is arranged on the transmission shaft, a stirring rod parallel to the transmission shaft is arranged on the first cross arm, a plurality of groups of paddles are distributed on the stirring rod, an action mechanism is arranged on the first cross arm, and the action mechanism is driven by the transmission shaft to periodically rotate at a variable speed; according to the reaction kettle, the transmission shaft, the first cross arm, the stirring rod, the action mechanism and other structures are arranged in the reaction kettle, so