Soil remediation agent spraying device

The utility model relates to the technical field of soil remediation devices, and discloses a soil remediation agent spraying device which comprises a water tank, the other side of each suction pump is communicated with one side of a connecting supporting pipe, the other side of each connecting supporting pipe is communicated with the rear side of a connecting cylinder, and the two sides of the connecting cylinder are communicated with connecting pipes at equal intervals. The sides, away from each other, of the connecting pipes communicate with the two sides of the inner wall of the coil pipe, the coil pipe communicates with lower pipes at equal intervals, and spray heads are arranged on the lower pipes. According to the soil remediation device, a remediation agent in the water tank is pumped into the connecting cylinder through the pump, the remediation agent is led to the ring pipes with different sizes and areas through the multiple connecting pipes on the connecting cylinder, the remediation agent is spra