Chemical wastewater treatment equipment

The utility model relates to the technical field of chemical wastewater treatment, in particular to chemical wastewater treatment equipment, which comprises a pretreatment tank and a wastewater treatment tank, an impurity filter screen is arranged in the pretreatment tank and divides the pretreatment tank into a left treatment chamber and a right treatment chamber, a wastewater inlet is arranged at the top of the left treatment chamber, and a wastewater outlet is arranged at the bottom of the right treatment chamber. A wastewater outlet is formed in one side wall of the right treatment chamber, a water suction pump is arranged on the wastewater treatment tank, and a water inlet and a water outlet of the water suction pump are connected with a water inlet pipe and a water outlet pipe respectively; a mounting frame is arranged at the top of the wastewater treatment tank, a chemical box is arranged on the mounting frame, and the chemical box is communicated with the wastewater treatment tank through a chemical o