At present, the aluminum profile products produced by the anodizing process account for about half of the architectural aluminum profile market. How to apply modern technology to the oxidation production line to improve production efficiency and promote energy conservation and emission reduction are the core concerns of many aluminum processing enterprises over the years. In the modern aluminum profile oxidation production line, the application of information technology is different, and many companies have carried out information research. In general, these studies and implementations are partial. Such a local information system is like an information island, and the connection between them is manually input, which is prone to human error, resulting in a decline in production efficiency; most enterprises' production control systems use wired transmission for process control. The wiring requirements are high and the cost is increased. Studies have shown that the application of information technology and high-frequency oxidation power supply can increase industrial production efficiency and energy-saving electricity costs by 10%, and reduce emissions and pollution by 25%. Therefore, the application of information technology and high-frequency oxidation rectifiers is the key to the transformation of the industrial structure of aluminum processing enterprises. This article describes the application of information fusion, wireless control and automatic packaging and high-frequency oxidation power supply technology in vertical oxidation production lines.
Technical characteristics
Anodizing is the most commonly used method for aluminum profile processing. Therefore, it is a good demonstration for the comparison between silicon rectifiers and high-frequency oxidation rectifiers to promote energy saving and emission reduction and improve production efficiency.
1. Overview of the development of rectifiers
The oxidized rectification power supply is an indispensable equipment for the aluminum profile oxidation process. Its performance index largely determines the production level, product quality and energy saving effect of the anodizing industry.
The early DC generators were the first generation of power in the oxidation industry. In the 1960s, due to the generation of high-power rectifiers, the second generation of the oxidation industry, the silicon rectifier, appeared. However, these two generations of power supplies are cumbersome. Shortcomings such as low energy consumption, low output index, poor precision, and inconvenient control are gradually replaced by the third-generation rectifier, the thyristor rectifier. The thyristor rectifier has been widely used since the 1970s due to its high precision and convenient control. However, the thyristor rectifier is still based on a cumbersome high-consumption power frequency transformer. Therefore, the shortcomings of the power supply being large, bulky, and high in consumables still exist. Since the voltage and current adjustment of the power supply is controlled by the open angle of the thyristor, a large amount of harmonics are generated, which pollutes the power grid. Since the operating frequency of the thyristor is in the low frequency range (50 to 60 Hz), Not easily absorbed by the filter, which obviously does not meet the requirements of cleaner production. In this case, the fourth-generation rectifier, which overcomes many of the shortcomings of thyristors, has emerged.
The high-frequency aluminum oxidation power source is not only small in size, low in consumables, high in efficiency, high in precision, and easy to control, so it is quickly accepted by the oxidation industry. As long as the country is a slightly advanced country, the thyristor rectifier has basically been eliminated. The application of high frequency switching power supplies in the domestic oxidation industry is also becoming more and more common.
Concerned about surprises
Tag: Building aluminum profile Rectifier pipe Production line Anodizing Silicon rectification
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