System for preparing soy sauce based on by-products obtained after brewing of Maotai-flavor liquor

The utility model discloses a system for preparing soy sauce based on by-products after brewing of Maotai-flavor liquor. The system comprises a deslagging device, a fresh-keeping tank, a centrifugal machine, a koji pool, a fermented sauce jar, an oil spraying and filtering device and a heating and blending pool which are arranged in sequence, the centrifugal machine is further connected with a stirring machine which is connected with cooking equipment. The residue removing device comprises a drum screen, the lower end of the drum screen is obliquely arranged in a launder containing byproductsafter brewing of Maotai-flavor liquor, and the upper end of the drum screen exceeds the launder and is located on the upper side of the shell residue tank; wherein the inflow pipe and the slag discharge pipe are arranged at the bottom of the up-flow precipitation tank, and one end of the liquid discharge pipe is arranged between the overflow weir and the up-flow precipitation tank. According to the utility model, byproduc