[China Aluminum Industry Network] At present, aluminum profile products manufactured through the anodizing process make up roughly half of the construction aluminum profile market. The integration of modern technology into oxidation production lines has become a central focus for many aluminum processing companies, aiming to improve production efficiency and achieve energy conservation and emission reduction. Modern aluminum oxide production lines have incorporated various information technologies, with many companies conducting research on informatization. However, most of these efforts remain partial, resulting in isolated information systems that rely heavily on manual input. This not only increases the risk of human errors but also reduces overall production efficiency. Most companies still use wired transmission for process control, which is costly due to high wiring requirements. Studies have shown that the application of information technology and high-frequency oxidation power can boost industrial production efficiency and reduce energy consumption by 10%, while cutting emissions and pollution by 25%. Therefore, the adoption of advanced information systems and high-frequency oxidation rectifiers is crucial for the transformation of aluminum processing companies. This article explores the implementation of information fusion, wireless control, automated packaging, and high-frequency oxidation power technology in vertical oxidation production lines.
Technical Characteristics: Anodizing is a widely used method in aluminum profile processing. Comparing silicon rectifiers with high-frequency oxidation rectifiers serves as an effective model for promoting energy efficiency and improving productivity.
1. Overview of Rectifier Development: The oxidation rectification power supply is a vital component in the aluminum profile anodizing process. Its performance significantly influences industrial production levels, product quality, and energy-saving outcomes.
Early DC generators were the first-generation power supplies used in oxidation. In the 1960s, high-power rectifiers emerged, marking the second generation—silicon rectifiers. However, these early models were bulky, energy-intensive, had low output accuracy, and were difficult to control. By the 1970s, thyristor rectifiers became the third generation, offering better precision and easier control. Despite this, they still relied on large, power-hungry transformers, leading to size and energy consumption issues. Additionally, thyristors generated significant harmonic distortion due to their low-frequency operation (50-60 Hz), causing power grid contamination and failing to meet clean production standards.
In response, the fourth generation of rectifiers—high-frequency oxidation sources—was developed to overcome these limitations. These power supplies are compact, energy-efficient, accurate, and easy to control, making them increasingly popular in the industry. Internationally, most advanced countries have already phased out silicon-controlled rectifiers (SCRs). In China, the use of high-frequency switching power supplies in the oxidation industry is also becoming more widespread, reflecting a growing trend toward modernization and sustainability.
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