Sichuan Shudao Equipment has applied for a patent titled “A Low-Temperature Adsorption Device for Hydrogen Liquefaction and Adsorption and Regeneration Methods”
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According to news from August 14, 2025, **information from the Intellectual Property Office shows that Sichuan Shudao Equipment Technology Co., Ltd. has filed a patent application titled “A Low-Temperature Adsorption Device for Hydrogen Liquefaction and Related Adsorption and Regeneration Methods.” The publication number is CN120459760A, and the application was submitted in July 2025. The patent abstract indicates that this invention discloses a low-temperature adsorption device for hydrogen liquefaction, as well as adsorption and regeneration methods. The device includes a mutually connected raw hydrogen compression and purification unit X100, a low-temperature heat exchanger E100, a gas regenerator E200, low-temperature adsorbers A100A and A100B, an 80K cryogenic tank X200, and multiple control valves ； This solution enables the continuous and efficient production of purified hydrogen, offering advantages such as simple process operation, safety and reliability, no nitrogen consumption, no moving parts, and low energy consumption. According to Tianyancha, Sichuan Shudao Equipment Technology Co., Ltd. was established in 2008 and is located in Chengdu; it is a company that specializes in the manufacturing of general-purpose equipment. The registered capital of the enterprise is 160.691993 million RMB. According to the big data analysis conducted by Tianyancha, Sichuan Shudao Equipment Technology Co., Ltd. has made investments in 13 companies in total, participated in 177 bidding projects. In terms of property-related information, there are 7 trademark records and 131 patent records; additionally, the company holds 130 administrative licenses.
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