Zhejiang Akesheng Chemical Co., Ltd. has obtained a patent titled “A fluorination reaction device for trifluorotrichloroethane”
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According to news from July 25, 2025, **information from the Intellectual Property Office shows that Zhejiang Aikesheng Chemical Co., Ltd. has obtained a patent titled “A fluorination reaction device for trifluorotrichloroethane,” with the approval announcement number CN223144161U; the application was filed in July 2024.** The patent abstract indicates that this application falls within the field of chemical production equipment technology, and relates to a fluorination reaction device for trifluorotrichloroethane. The fluorination reaction apparatus includes a reaction distillation tower and a fluorination reaction vessel. The fluorination reaction vessel is connected to a hydrogen fluoride feed pipe and a chlorine feed pipe. A discharge pipeline is provided between the fluorination reaction vessel and the reaction distillation tower, while a reflux pipeline is arranged between them as well. The reaction distillation tower is also equipped with a tetrachloroethylene feed pipe. The connection points of the discharge pipeline to the reaction distillation tower, as well as those of the reflux pipeline to the reaction distillation tower, are both located below the tetrachloroethylene feed pipe. During the reaction process, the tetrachloroethylene raw material is fed into the reactive distillation tower through a feed pipe, where it comes into contact with the high-temperature crude gas rising from the bottom of the tower. Tetrachloroethylene absorbs the unreacted chlorine from this crude gas and returns it to the fluorination reactor, thereby improving the efficiency of chlorine utilization, reducing the chlorine content in the trifluorotrichloroethane crude product, and minimizing the amount of alkali required in subsequent alkaline washing steps. According to Tianyancha, Zhejiang Aikesheng Chemical Co., Ltd. was established in 2003 and is located in Shaoxing. It is a company that focuses on the manufacturing of chemical raw materials and chemical products. The registered capital of the company is 30 million RMB. According to the big data analysis provided by Tianyancha, Zhejiang Aikesheng Chemical Co., Ltd. has invested in 1 company, participated in 5 bidding projects, and holds 21 patent records. In addition, the company possesses 32 administrative licenses.
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