Development status of pharmaceutical drying equipment in China (1)

In China, the use of drying equipment has a history spanning several decades, but large-scale development of drying technology is a more recent phenomenon, emerging mainly over the past 20 years. During this period, the efforts of numerous engineers and technicians have led to the development or imitation of various types of drying equipment. Today, most industrial models can be manufactured domestically, significantly reducing reliance on imported drying systems. A large number of trained professionals and manufacturers have also emerged, with an estimated 400 drying equipment companies operating in the country. In terms of sheer quantity, China is the largest producer of such equipment globally. However, despite this growth, the technological level and manufacturing quality of many domestic drying systems still lag behind international standards. While some Chinese manufacturers have established a presence in the domestic market, very few have managed to export their products effectively. Even when exported, these machines often fail to compete on price or performance. This situation is not ideal for the long-term development of drying technology in China and needs urgent improvement. One major reason for this challenge is the lack of foundational research. Although theoretical advancements have been made, practical applications remain limited due to gaps in understanding and implementation. Theoretical studies are crucial for developing new and improved drying technologies, yet research funding and resources in China are still insufficient compared to countries like Denmark, Canada, and Japan. Strengthening basic research is essential for achieving a breakthrough in the field. Another key issue is the lack of adequate experimental facilities. Drying is a highly experimental process, and without proper testing, it's difficult to optimize both theory and equipment design. Many manufacturers lack the necessary experimental setups, leading to design inefficiencies and poor product performance. Establishing robust experimental bases is vital for advancing the industry. Additionally, there is a gap in processing technology. Traditional manufacturing methods and low precision in component production hinder the quality and consistency of drying equipment. Foreign manufacturers often use advanced techniques like automated welding and surface treatment, resulting in better performance and durability. To compete globally, China must improve its manufacturing standards and increase production scale to achieve higher mold-forming rates. Lastly, control systems in many domestic drying devices are outdated. Most rely on manual or semi-automatic controls, which limit efficiency and product quality. Advanced control technologies, such as computer-based and fuzzy logic systems, could greatly enhance performance and reliability. Improving automation is essential for meeting modern industrial demands and ensuring consistent, high-quality outputs. In conclusion, while China has made significant progress in the drying equipment industry, there is still much work to be done. Strengthening research, improving experimental conditions, upgrading manufacturing processes, and enhancing control systems are all critical steps toward becoming a global leader in this field.

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