Passivator uniform adjusting and broadcasting equipment for farmland soil pollution remediation

The invention discloses passivator uniform adjusting and sowing equipment for farmland soil pollution remediation, the structure of the passivator uniform adjusting and sowing equipment comprises a case, a passivator accommodating groove, an adjusting rod, a feeding port, sowing heads and moving wheels, the passivator accommodating groove and the adjusting rod are mounted on the case, the three sowing heads with the same structure and size are arranged on the adjusting rod, the feeding port is mounted on the case, and the sowing heads are mounted on the moving wheels. According to the device, through movable cooperation of the adjusting cover and the spraying opening, when a passivating agent is sown at the spraying opening, the adjusting cover moves along the surface of the spraying opening and covers the surface of the spraying opening, and in combination with the angle adjusting effect of the adjusting rod, the passivating agent is sown in the farmland soil remediation process; the angle of the sowing head