Explosion-proof electrical control box

The utility model provides an explosion-proof electrical control box which comprises a control box body, a back plate is arranged in the control box body, a first coiled pipe and a second coiled pipe are arranged in the back plate, a cooling liquid storage cavity is arranged at the inner bottom of the control box body, an out-box heat dissipation pipe is arranged around the control box body, and the first coiled pipe and the second coiled pipe are arranged in the cooling liquid storage cavity. Heat dissipation fins are uniformly arranged on the heat dissipation pipe outside the box; the first coiled pipe and the second coiled pipe are communicated with the two ends of the outside-box heat dissipation pipe respectively, the first coiled pipe is communicated with the cooling liquid storage cavity through a variable frequency pump, and the second coiled pipe is communicated with the cooling liquid storage cavity; according to the utility model, the heat of the back plate is transferred to the radiating fins at t