At the end of November, an expert group organized by the China Petroleum and Chemical Industry Association and the China Chlor-Alkali Industry Association conducted a field evaluation of two key pieces of equipment designed and manufactured independently by Chengdu Huarong Chemical Co., Ltd. for Lanxing (Beijing) Chemical Machinery Co., Ltd. The equipment included a 30,000-ton drum roll system and a tube-type falling film evaporator. After thorough testing and analysis, the experts concluded that both devices demonstrate stable performance, reliable operation, and advanced technical and economic indicators. They reached the level of similar international products, with some parameters even surpassing those of imported equipment, marking a significant breakthrough in the domestic production of large-scale causticizers and tube-type falling film evaporators. This development has the potential to replace imported systems, reducing dependency on foreign technology.
The cooling system of the causticizing machine features specially designed nozzles, ensuring efficient and uniform cooling. The adjustable blade allows for consistent shape formation, enabling direct packaging that meets the required design specifications. Meanwhile, the column-type falling film evaporator utilizes high-purity nickel tubes with special dimensions, resulting in a high heat transfer coefficient and excellent film-forming performance. These innovations show great promise for widespread application within the chlor-alkali industry, offering improved efficiency and cost-effectiveness. With these advancements, Chengdu Huarong is setting new standards in the sector, contributing to the growth and technological independence of China’s chemical industry.
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