Recycling device for electroplating wastewater treatment
A technology for electroplating wastewater and recycling, which is applied in metallurgical wastewater treatment, water/sewage treatment, flotation water/sewage treatment, etc. It can solve the problems of incapable of simultaneous treatment of pollutants, ineffective use of water, and increased treatment costs. , to shorten the granulation time, improve the treatment efficiency, and improve the utilization rate.
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Embodiment 1
[0051] see Figure 1-8 , a recycling device for electroplating wastewater treatment, a recycling device for electroplating wastewater treatment, including a treatment pool 1, a reducing agent box 2 is fixedly installed at the rear end of the treatment pool 1, and the reducing agent box 2 is located on the left side of the treatment pool 1 , the upper end of the treatment pool 1 is fixedly installed with a neutralization exhaust box 3 located at the front side of the reducing agent box 2, and the upper end of the treatment pool 1 is provided with a scraper assembly 4 located at the lower side of the neutralization exhaust box 3, and the reducing agent box 2 stores There is a ferrous sulfate solution, and a chemical film 302 is stored in the neutralizing exhaust box 3, and a neutralizing chemical 303 is wrapped in the chemical film 302. The electroplating wastewater containing chromium ions in the treatment pool 1 is treated by the ferrous sulfate solution in the reducing agent ...
Embodiment 2
[0062] see Figure 1-8 , where the same or corresponding components as those in Embodiment 1 use the corresponding reference numerals as in Embodiment 1, and for the sake of simplicity, only the differences from Embodiment 1 will be described below. The difference between this embodiment 2 and embodiment 1 is: please refer to Figure 8 , a treatment method of a recycling device for electroplating wastewater treatment, comprising the steps of:
[0063] S1. Pass the ferrous sulfate solution in the reducing agent box 2 into the treatment pool 1 in advance;
[0064] S2. make the ferrous sulfate solution react with the hexavalent chromium ion in the treatment pool 1, and carry out redox to the hexavalent chromium ion;
[0065] S3. Then start the scraping and floating assembly 4 to make the treatment pool 1 rotate and run at the upper end of the treatment pool 1;
[0066] S4. Finally, the chemical film 302 in the neutralization exhaust box 3 is dropped on the scraper assembly 4, ...
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