Bio-organic fertilizer fermentation tank convenient to feed

The utility model belongs to the technical field of fermentation tanks and discloses a bio-organic fertilizer fermentation tank convenient to feed, which comprises a tank body, a sealing plate is slidably arranged in the middle of the inside of the tank body, fixing blocks are fixedly connected to two sides of the inner wall of the tank body, lifting rods are fixedly mounted at the tops of the fixing blocks, and sieve plates are movably clamped at the tops of the lifting rods. And the center of the sieve plate adopts a cambered surface. According to the utility model, through reciprocating stretching and retracting of the lifting rod, part of materials which do not conform to specifications are accumulated in the center of the sieve plate, the sieve plate and the extrusion ball arranged above the sieve plate form bidirectional extrusion when ascending and descending, and the materials which do not conform to the specifications fall off from the sieve plate after being extruded and crushed, so that the ferment