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During the design, installation, and inspection of pipelines, various minor issues that were overlooked or not taken into consideration are often identified. These issues are compiled into a series; the list is being updated continuously. Everyone is welcome to actively participate in discussions. This is a compilation post on common problems in Haichuan pipeline design – it’s still being updated, and discussions are welcome: https://bbs.hcbbs.com/thread-5705828-1-1.html ------------------------------------------------------------------The way these supports are arranged is interesting; the original design did not include pre-installed steel plates, and bolts were instead installed directly on the concrete columns later on. Since the pipes are quite large, four load-bearing points were established.
【HaiChuan Chemical Technology Documentation】Current Research Status on Hydrogen Embrittlement in Hydrogen Transport Pipeline Steels https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716523 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【HaiChuan Chemical Technology Documentation】Current Research Status on Hydrogen Embrittlement in Hydrogen Transport Pipeline Steels https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716523 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】3053–2026: China’s first 100-kilometer-long carbon dioxide transmission pipeline – the million-ton-level CCUS carbon dioxide pipeline in the Shengli Oilfield has been operating smoothly for 1,000 days. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716490 (Source: Haichuan Chemical Industry Forum (HCBBS))
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – with pictures and texts; everyone is welcome to participate in the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】China’s first research project on industrial seawater hydrogen production has successfully achieved 1,000 hours of stable operation https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716642 (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Engineering Equipment】China’s first research project on industrial seawater hydrogen production has successfully achieved 1,000 hours of stable operation https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716642 (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Equipment】3058-2026: Changzhou University makes breakthroughs in ethylene glycol hydrogenation refining technology; the world’s first upgrade project for converting light hydrocarbons into ethylene glycol is successfully commissioned. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716686 (Source: Huchuan Chemical Forum (Hua Hai Chuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】3057–2026: International Leadership in Organic Tubular Microporous Membrane and Related Equipment Technologies https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5716683 (Source: Haichuan Chemical Industry Forum (HCBBS))
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – with pictures and texts; everyone is welcome to participate in the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))