[China Aluminum Industry Network] Today, aluminum profile products produced through the anodizing process make up approximately half of the construction aluminum market. The challenge for many aluminum processing companies has been how to integrate modern technology into oxidation production lines to boost efficiency and promote energy conservation and emission reduction. In recent years, the application of information technology in modern aluminum oxide production lines has become a key focus. Many companies have explored informatization, but most efforts remain fragmented. These isolated systems function like "information islands," with limited connectivity that relies heavily on manual input, increasing the risk of errors and reducing productivity. Most production control systems still use wired transmission for process control, which not only increases installation costs but also limits flexibility. Studies show that implementing information technology and high-frequency oxidation power can improve industrial efficiency by 10%, reduce energy consumption, and cut emissions by 25%. Therefore, integrating advanced IT solutions and high-frequency rectifiers is crucial for the transformation of aluminum processing companies. This article explores the application of information fusion, wireless control, automatic packaging, and high-frequency oxidation power in vertical oxidation lines.
Technical Characteristics Anodizing is one of the most common surface treatment methods for aluminum profiles. Comparing silicon rectifiers with high-frequency oxidation rectifiers serves as an excellent model for promoting energy savings, reducing emissions, and enhancing production efficiency.
1. Overview of Rectifier Development Oxidation power supplies are essential equipment in the aluminum anodizing process. Their performance directly affects production levels, product quality, and energy efficiency. Early DC generators were the first-generation power sources used in the industry. By the 1960s, high-power rectifiers introduced the second generation—silicon rectifiers. However, these early models were large, energy-intensive, and lacked precision, making them gradually replaced by thyristor rectifiers in the 1970s. Thyristor rectifiers offered better accuracy and control, leading to widespread adoption. Despite this, they still relied on large, power-consuming transformers operating at power line frequency, resulting in size, weight, and energy inefficiency. Additionally, thyristors generated significant harmonic distortion, polluting the power grid and failing to meet clean production standards. As a result, the fourth-generation high-frequency oxidation power supply emerged, addressing many of the limitations of thyristor technology.
High-frequency aluminum oxidation power supplies are compact, energy-efficient, precise, and easy to control, making them increasingly popular in the industry. Internationally, most advanced countries have already phased out SCR-based systems. Similarly, the use of high-frequency switching power supplies is becoming more common in domestic oxidation processes, signaling a shift toward smarter, greener manufacturing practices.
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