In view of this, the main purpose of the present invention is to provide an electro-flocculation wastewater treatment system, which can add chemicals in stages in the electro-flocculation wastewater treatment device, easy to control the concentration of reactants, and make sewage treatment The effect is greatly improved and the reaction time is shortened.  　　

In order to achieve the above objectives, the present invention adopts the following technical solutions:  　

An electrocoagulation waste water treatment system, pH adjustment tank, the reaction tank and the pump, the reaction cell is provided to the pH next adjustment reservoir-side and the pH communicating adjustment tank, the waste water is injected into the pH adjusting tank after pH adjustment, and then the pH adjusted The pool flows to the reaction pool for chemical reactions ;  　　

An electro-flocculation wastewater treatment device. Water is sent between the electro-flocculation wastewater treatment device and the reaction tank by a transfer pump, and the wastewater from the reaction tank is pumped into the electro-flocculation wastewater treatment device ; the electro-flocculation wastewater treatment device is connected in series by multiple sections of pipelines. It is composed of: install a water inlet valve at the inlet of the first section of the pipeline, install a pressure valve at the outlet of the last section of the pipeline, install a detection valve at the joint between any section of the pipeline and the previous section of the pipeline, and the joint with the next section of the pipeline dosing valve at the mounting ; and each segment includes a conduit for electrocatalytic anode and a cathode, which cathode is tubular, the lumen is formed inside the cathode ; the anode is rod-shaped or tubular, the support frame supported by a plurality of anode to cathode The center of the lumen, and the cathode jacket has a leak-proof hose that can prevent air leakage from the pipeline ;

A pH adjustment tank, a coagulation tank, a solid-liquid separation device, and a water production pump. The outlet of the electro-flocculation wastewater treatment device is connected to the pH adjustment tank. The pH adjustment tank communicates with the coagulation tank. The water outlet of the coagulation tank The solid-liquid separation device is passed through, and the water production pump is connected to the solid-liquid separation device and sends out the treated water.  　　

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