Easily-assembled multifunctional pilot test percolation device

The utility model relates to an easy-to-assemble multi-functional pilot test percolation device, which comprises a solvent storage tank, a percolation juice storage tank and a cylinder, the bottom end of the cylinder is provided with a filter sieve plate, the top end of the cylinder is detachably connected with a top cover, the top cover is provided with a percolation liquid inlet, the bottom end of the cylinder is detachably connected with a bottom cover, and the percolation liquid inlet is provided with a percolation liquid outlet. A percolation juice outlet is formed in the bottom cover; an outlet of the solvent storage tank is connected with the percolation liquid inlet through a first pipeline, and an inlet of the percolation juice storage tank is connected with the percolation juice outlet through a second pipeline. According to the multifunctional pilot test percolation device easy to assemble, the top cover and the bottom cover are arranged, and a detachable connection mode is adopted, so that feeding