Strain pre-buried biological suspended filler, preparation device and preparation method thereof

The invention discloses a strain pre-buried biological suspended filler, a preparation device and a preparation method thereof. The device comprises: a base; a spraying tank fixedly arranged on one side of the base; a material inlet formed in the top end of one side of the outer side of the spraying tank; a dryer arranged on the other side of the top end of the base; a spraying mechanism arranged at the top end of the inner cavity of the spraying tank; a conveying mechanism arranged on one side of the spraying tank; and an air diffuser arranged at the bottom end of the inner cavity of the spraying tank. According to the preparation device and the preparation method of the strain pre-buried biological suspended filler, a fermentation broth can be sprayed to the suspended filler in the spraying tank by arranging the spraying mechanism, and the sprayed suspended filler can be conveyed into the dryer to be dried by arranging the conveying mechanism so as to prepare the strain pre-buried biological suspended fille