With the continuous development of the times, the concept of green building materials has been integrated into various industries, and low-carbon environmental protection has also attracted more and more attention. Guangzhou and Foshan have always been the focus of aluminum veneer manufacturers in China.
Since December last year, the fourth environmental protection supervision group of the central government has been working hard to carry out the central environmental protection supervision work in Guangfo district. Leaders at all levels have personally led teams to supervise and supervise the rectification results. The environmental protection law enforcement personnel have cooperated with the public security on-site law enforcement and shut down illegal emission enterprises on the spot.
As a result, a number of small-scale veneer manufacturers, unlicensed small workshops and spraying plants were closed down or closed down one after another. It was also rumored that a boss in Foshan jumped the bridge because of environmental protection.
Environmental protection has always been the propaganda language of aluminum veneer, curtain wall ceiling and other manufacturers. Why the problem of sealing up and closing down in the environmental protection storm? Want to know aluminum veneer environmental protection? First of all, it is necessary to understand the production process of aluminum veneer; after the manufacturers purchase the raw materials of aluminum sheet, they will process them according to the requirements of customers, such as plate cutting, engraving and punching, flanging, welding and grinding, etc. The only pollution in this part of the process is only noise. There are many small workshops processing in stores and residential areas, so noise pollution is also a big problem of disturbing residents. Regular factories are generally located in the industrial park, so there is no noise problem.
The follow-up surface treatment process is the key to environmental protection. After sheet metal forming, it is the surface baking process, mainly including powder, polyester, fluorocarbon and other baking paint.
Before baking paint, it is necessary to clean the surface of the board with chemical solution, such as dilute sulfuric acid and hydrofluoric acid. It mainly cleans the grease on the surface of sheet metal parts so that the paint coating can adhere to static electricity. However, illegal paint baking factories directly discharge these industrial wastewater, which is the top priority of environmental protection inspection. Because the washing wastewater contains hexavalent chromium and other toxic substances, while trivalent or tetravalent chromium does not have these toxicity. Before the wastewater is discharged, the biological material adsorption method should be adopted. Non living biological materials can quickly combine with metal ions to remove heavy metal ions. Another kind of pollution from the spraying plant is waste gas pollution, which contains PM2.5 fine powder particles, which also needs to be filtered and recycled before being discharged. Otherwise, the smell is pungent and harmful to people's health. The above problems are also the main reason why the environmental inspection fails.
With the development of the times and the gradual improvement of people's material and cultural life, people from all walks of life pay more and more attention to the concept of sustainable development. Aluminum veneer processing is a traditional manufacturing industry, its development should comply with this trend of the times, the road of aluminum veneer industry environmental protection is the trend of the times!!!