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Secondary copper removing device for treating low concentration comprehensive wastewater in PCB elec
Secondary copper removing device for treating low concentration comprehensive wastewater in PCB electroplating Patent No.: ZL201520403621.4 Application date: 2015.06.12 Announcement (announcement) date: 2015.10.28 Main technical features: ü The treatment device comprises an adjustment mixing tank, a sedimentation sewage tank and a broken mixing tank, the mixing tank is connected with the sedimentation tank, the sedimentation tank is connected with the broken tank, and the water inlet is arranged at the upper left end of the mixing tank. The upper part of the mixing tank is provided with an alkaline chemical guiding tube, and the upper part of the adjusting mixing tank is provided with a motor I, and the mixing tank is provided with a stirring paddle I, and the motor I is connected with the stirring paddle I through the transmission shaft I, and the mixing tank is adjusted. There is also a pH meter inside, a motor II is arranged on the upper part of the sedimentation tank, a guide tube is arranged under the motor II, a scraper is arranged in the sedimentation tank, and the motor II is connected with the scraper through the transmission shaft II, and scraped A sewage pipe is arranged below the mud plate, and an overflow weir is arranged at the upper right portion of the sedimentation sewage tank, and a ferrous sulfate guide pipe is arranged at the upper left of the broken mixing tank, and the motor III is disposed at the upper part of the broken mixing tank, and the mixture is broken. The inside of the tank is provided with a stirring paddle II, and the motor III is connected with the stirring paddle II through the transmission shaft III. The upper right end of the broken mixing tank is provided with a water outlet, and the scraping plate is provided with a scraping arm ü Simple structure and convenient operation, which reduces the cost of wastewater treatment, saves the cost of chemical treatment, stabilizes the water quality of discharged water, is conducive to sludge reduction, and the copper content of sludge will increase, which is conducive to recycling and recycling of resources. There is a significant promotion value in the wastewater treatment of the PCB industry. |
