| 摘要 |
A soil improver is provided to improve soil quality by mixing soil and a soil conditioner, a hopper is provided to be inputted with soil and to guide the inputted soil to a downward carrying belt conveyor, and a carrying device is provided to carry the inputted soil in a mixer which mixes the inputted soil and a soil conditioner. A hopper of a soil improver comprises a hopper body(16) including a pair of inclined frames opened to be wider upward, an inlet portion including a pair of lower frames(17) to guide the soil inputted into the inclined frames to a carrying belt conveyor, a pair of lower shear portions(20b) containing a bending edge formed on the boundary of a pair of the inclined frames and a pair of the lower frames and applying shear force to the inputted lump of soil, and a pair of upper shear portions(20a) installed on the upper part of a pair of the lower shear portions and applying shear force to the inputted lump of soil. |
