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According to news from August 8, 2025, **information from the Intellectual Property Office shows that Jining Xiangtai New Materials Technology Co., Ltd. has obtained a patent titled “A Fixed-Bed Continuous Catalytic Hydrogenation Device.” The approval notice number is CN223197001U, and the application was filed in October 2024. The patent abstract indicates that this utility model discloses a fixed-bed continuous catalytic hydrogenation device, which includes a fixed-bed housing. A feed hopper is fixedly connected to the top of the fixed-bed housing, while a discharge hopper is fixedly connected to its bottom. A motor is fixedly attached to the side wall of the fixed-bed housing; the output end of this motor is connected to a hollow rod. A hydrogen gas pipe is located on one side of the fixed-bed housing, and a rotary joint is installed on both the hollow rod and the hydrogen gas pipe. A check valve is fixedly attached to the outer wall of the hollow rod, and multiple hollow rotating rods arranged at equal intervals are also fixedly attached to its outer wall. This utility model enables hydrogen to be distributed evenly within the fixed-bed shell by allowing it to flow through multiple holes; the rotation of the hollow rotating rod helps to stir the material, ensuring uniform heating. This allows the vaporized material to come into full contact with the evenly distributed hydrogen, thereby improving the efficiency of the reaction. Xiangtai New Materials has obtained a patent for a fixed-bed continuous catalytic hydrogenation unit that improves the efficiency of reactions
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