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According to relevant experts, the capacity of the largest PSA hydrogen production plant operating in China was 75,000 Nm3/h, and the largest gas production capacity of PSA installed abroad was 236,000 Nm3/h.
Shen Hehua Group's deputy general manager Wang Heming told the reporter that the PSA purification hydrogen plant is the leading process of Shenhua Group's “coal oil†project, that is, the pulverized coal provided by the coal preparation unit is converted into syngas through partial oxidation. After transformation, pressure swing adsorption and other processing into high-purity product hydrogen, processing gas volume of 340000 Nm3 / h, hydrogen production capacity of 280000 Nm3 / h, hydrogen purity of 99.9%, hydrogen yield ≥ 90%.
Experts in the industry believe that the project not only ranks first in the world in terms of device scale, but also has innovation and development in engineering design, process, automatic control, special valves, adsorbents, and so on. For example, in the process design, a novel dual-discharge can operation process with independent intellectual property rights is adopted, which makes the process flow simple, stable operation, and high product yield; the process flow uses 12 towers and 4 grouping processes for the first time, and For the first time, switching from the 12th to the 6th towers was realized. The process was simplified and the control system was operated smoothly. The Yx sealing ring was used for the first time for the flat panel seals. All the 172 valves were accepted by the expert group of the Shenhua Group. Zero-leakage; a new type of air distributor is used in the adsorber to further improve the efficiency of the use of the adsorbent; for the characteristics of high project requirements, the size of the adsorbent particles is solved for the first time, the dead space is reduced, and the understanding of the suction rate and hydrogen yield is improved. .
It is understood that Tianke Co., Ltd. has the world's most professional ability to research and develop PSA system engineering technology, and has its own expertise in process technology, engineering development, special adsorbents, special valves and automatic control, and has formed its own Intellectual property. In 1994, Tianke Group took the lead in the international bidding of the large scale PSA hydrogen production plant of Zhejiang Zhenhai Refining & Chemical Co., Ltd., and won the bid to achieve localization. Since then it ended the monopoly of large foreign companies in the domestic large-scale PSA plant, and gradually replaced the import, and now Tianke shares It has accumulatively promoted more than 1,000 sets of industrial installations at home and abroad, making profits of more than 50 billion yuan for enterprises.
Our country built the world's largest pressure swing adsorption system for pure hydrogen
On August 13th, Sichuan Tianyi Science and Technology Co., Ltd. established by Southwest Research and Design Institute of Chemical Industry Co., Ltd. provided a technical, engineering design gas treatment capacity of 340000Nm3/h pressure swing adsorption gas separation (PSA) hydrogen production equipment. , All technical indicators all meet the design requirements. This is the world's largest PSA hydrogen production plant, marking China's PSA technology has reached the world's advanced level.