China Drying Network News Research project for large-area multi-layered zirconium/titanium/steel explosion composite panels jointly completed by Nanjing Baotai Special Material Co., Ltd. and Anhui Baotai Special Materials Co., Ltd., recently passed the China Nonferrous Metals Industry Association in Beijing. Expert identification by the organization. According to the appraisal opinion, the technology of this project has reached the international advanced level, providing the basic guarantee for the large-scale and localization of zirconium chemical plants in China.

The project has improved and innovated the explosive welding technology and solved the explosive welding problem of large-area multi-layered zirconium/titanium/steel. The area of ​​the single-explosive composite panel produced using this project technology has reached 15 square meters, and the lamination rate has reached 99.5%. The indicators meet the requirements of the corresponding standards and have reached the international advanced level. The expert group recommended that Nanjing Baotai should further accelerate the development of its series of products and expand its production scale to meet the market demand.

It is understood that Nanjing Baotai has adopted a gathering technology, which has significantly reduced the area where the detonation point does not fit. The use of ladder-laying technology has ensured the uniformity of large-area welding and improved the fit rate. In addition, the project also optimized the parameters of the explosion process, solved the problem of the selection of parameters for the three-layer explosion compounding, and ensured the stability of the quality of explosive welding products.

According to the company, zirconium has excellent corrosion resistance and is resistant to a variety of chemical substances, including corrosion of various inorganic acids, alkalis, most organic acids, various salt solutions, and molten alkalis. In recent years, the rapid development of China's petrochemical industry, coal chemical industry, and fine chemical industry has increased the demand for zirconium composite equipment. In order to increase the local production level of zirconium chemical plants and reduce production costs, Nanjing Baotai insisted on technical research and trial and error in the development of zirconium/titanium/steel explosive composite panels for over ten years, and finally achieved a breakthrough and achieved mass production.

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