Freshness retaining storage tank for sweet and sour ginger

The invention relates to food production equipment and discloses a freshness retaining storage tank for sweet and sour ginger. The freshness retaining storage tank for the sweet and sour ginger is mainly composed of a tank body, a tank cover and a filter plate, and is characterized in that an interlayer and an interlayer partition plate are arranged at the bottom of the tank body; drainage holes are distributed in the interlayer partition plate; an inlet of the upper end of the tank body is an inwards and gradually shrinking horn-shaped round opening; an inwards and gradually shrinking inclined annular face is arranged on the inner side of the tank cover; a positioning ring is arranged at the lower end of the inclined annular face; the inclined annular face and the horn-shaped round opening of the upper end of the tank body are in seal fit; the positioning ring is embedded into the inner space of the upper portion of the tank body to be positioned; filtering holes are distributed in the filter plate; a ginger storage area is formed by the space, below the filter plate, in the tank body; an upper liquid sealing area is formed by the space, above the filter plate, in the tank body; a liquid returning connector is arranged in the upper portion of the upper liquid sealing area for receiving; a lower liquid sealing area is formed by the interlayer at the bottom of the tank body; a liquid outlet connector is arranged in the lower liquid sealing area for discharging. The freshness of the sweet and sour ginger is naturally retained for a long time when no chemical preservative is added, the fresh state can be kept, the sweet and sour ginger is bright in color, and the original taste and flavor of the ginger are kept.