Surface treatment wastewater recycling device

Abstract

The invention discloses a surface treatment wastewater recycling device which comprises a collecting tank, the right side of the collecting tank is fixedly connected with a lifting water pump, the upper end of the lifting water pump is fixedly connected with a first water pipe, the first water pipe is fixedly connected with a first filtering device, and the right side of the first filtering device is fixedly connected with an RO water supply pump. A rotary air injection device is arranged in the first filtering device, the right side of the RO water supply pump is fixedly connected with a second filtering device, the right side of the second filtering device is fixedly connected with a second water pipe, and the second water pipe is fixedly connected with a recycling water tank. The filter effect of the whole device is improved, the sterilization effect after backwashing is more comprehensive, disassembly, maintenance and cleaning are facilitated, the interior of the whole device can be kept dry when the whole device does not work, no bacteria are generated, and the service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of waste water recycling, in particular to a surface treatment waste water recycling device. Background technique [0002] Most of the waste produced during the processing of aluminum profiles is metal impurities, and aluminum is not magnetic after oxidation and will not be attracted by magnets. However, during the anodic oxidation process, metal ions such as copper and iron in the electrolyte may react to produce magnetic metals. Impurities, these metal impurities need to be completely filtered. [0003] The waste water produced in the processing of aluminum alloy profiles has a lot of complex components, and direct discharge will pollute the surrounding environment, and the waste water generated in the processing of aluminum profiles is large. If it is not used, the waste of water resources is serious. In the recycling of waste water in the prior art , most wastewater recycling devices only use water pene...

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Problems solved by technology

[0003] The waste water produced in the processing of aluminum alloy profiles has a lot of complex components, and direct discharge will pollute the surrounding environment, and the waste water generated in the processing of aluminum profiles is large. If it is not used, the waste of water resources is serious. In the recycling of waste water in the prior art , most wastewater recycling devices only use water penetration to perform step-by-step filtration, which is inefficient, and in the backwash process, the filter membrane cannot be sterilized, and the backwash cleaning is not comprehensive, which affects the filtration of the entire device As a result, the wastewater recycling devices on the market have not considered that when they are not working, the residual water quality inside will lead to the survival of various microorganisms, which will affect the operation and filtration effect of subsequent devices, thereby affecting the service life of the entire device. A surface treatment is urgently needed Wastewater recycling device to solve the above problems

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