The Technical and Principles of Wastewater and Principles for the Exterior Table of Aluminum Profile-WJW Aluminum Supplier Aluminum Industry

The nominal treatment of aluminum profile requires a large amount of water, resulting in a large amount of wastewater, and harmful substances in wastewater are continuously discharged. "The aluminum alloy profile industry is the most widely used non -ferrous metal structure material, which is used in aviation, aerospace, automobiles, machinery manufacturing, ships, buildings, decoration and other fields. It will also increase the company's cost and responsibility. Therefore, sewage treatment is necessary and necessary from the social responsibility and interests of the enterprise. It summarizes the research and processing experience of aluminum profile nominal processing and wastewater treatment technology over the years. A set of feasible wastewater treatment and repurchase schemes are proposed for reference for peers.

1. The source and type of wastewater treatment of aluminum profiles.

The wastewater nominal treatment of aluminum materials includes acid water washing water after removing oil, alkaline water washing water after alkaline rot, acid water washing water after acid corrosion, and acid water washing water after oxidized, which contains Ni2, SN2waste acidic water washing water , Electric Painted ion Exchange Equipment produces acidic water washing water, waste water and a small amount of electro -swimming paint after coloring. "Aluminum alloy profile is the most widely used non -ferrous metal structure material in the industry. It is acidic in aviation, aerospace, automotive, mechanical manufacturing, ships, buildings, decorations, etc. It is acidic after the confusion of wastewater, rich in AL3, Ni2, SN2, SN4, SN4, SN4, SN4, SN4, Na, CR3and other cations, as well as organic matter such as SO42-, F-, NO3-, CL-, ALO2-, AC- and other organic matter, as well as organic matter such as nominal active agents and propionic acid resin.

2. Measures to reduce wastewater and wastewater discharge

The method of reducing wastewater and waste liquids is to control the water control time and control the angle of the loading to reduce the emissions of the groove liquid, and try to use two and three -stage countercurrent rinsing to reduce the amount of water consumption. The aluminum alloy profile industry is the most widely used non -ferrous metal structural material. It is in aviation, aerospace, automotive, mechanical manufacturing, ships, buildings, decoration and other aspects. In order to reduce or avoid discharge of wastewater and waste groove liquids, the production line should plan and apply various recycling equipment, such as acid corrosion and recycling equipment, alkali corrosion recycling equipment, anode oxide and aluminum removal equipment, color solution RO recycling equipment, electrophoretic paint RO recycling equipment The application of these recycling equipment can reduce the amount of wastewater and waste liquid to the maximum, and at the same time, it also reduces production costs to the maximum

3. Principles and methods of aluminum -type wastewater nominal treatment

The wastewater produced by aluminum materials is acid-base wastewater, which is rich in harmful pineral ions such as NI2, SN2, F- and other harmful pineral ions. The choice method is acid and alkali. Essence

Together in the process, cation Al3, NI2, SN2, CR3, etc. are all formed. Use the pump with a pump in the middle and sedimentary wastewater, and use a quantitative pump to use a quantitative pump into the dissolved polyamide flocculant and wastewater. The law and centrifugal deposition method, the author believes that the application of centrifugal sedimentation method is relatively strong. After sedimentation, the clearing fluid overflows from the upper part to the discharge pool or handles the reservoir. The wastewater processed above may be discharged. If the wastewater is used for use, the wastewater at this moment may be processed by rough filtering into the RO device. Remove the residual yin and yang ions and organic matter. At this moment Yin and Yang ion exchange equipment meets the reincarnation standard after adjusting the dose. The sludge generated by sedimentation is regularly discharged into the sludge pool, and it will become an industrial waste residue after processing it through the plate cake machine or a belt dehydration machine, and it is sent to the industrial waste residue treatment plant.