Efficient industrial wastewater treatment device

An efficient industrial wastewater treatment device relates to the technical field of wastewater treatment and comprises a treatment pond, the top end of the treatment pond is open, a liquid injection mechanism is arranged at the top end of the treatment pond, a support mechanism is arranged above the liquid injection mechanism, a decontamination mechanism is arranged on the inner wall of the bottom of the treatment pond, and the liquid injection mechanism comprises a main pipe body, a vertical pipe, a transverse pipe and a liquid injection pipe. The vertical pipe is located at the bottom end of the main pipe body, the top end of the vertical pipe is connected with the main pipe body, the bottom end of the vertical pipe is connected with the transverse pipe, the liquid injection pipe is arranged below the transverse pipe, and the top end of the liquid injection pipe is connected with the transverse pipe. Purifying liquid is injected into the treating pond through the liquid injection holes along the vertical