【Common Issues in Haichuan Pipeline Design】Don’t let valve stem handles become obstacles
Thread Content
During the installation of pipeline valves under a large petrochemical utility tunnel, the valve stems are placed horizontally across the passage in the tunnel. Is such an installation necessary? Can it be improved?
【Common Issues in Haichuan Pipeline Design】Liquid pockets exist in the pipeline layout, but no drain valves have been installed. https://bbs.hcbbs.com/thread-5705721-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】No check valve installed on the nitrogen sealing pipeline of the storage tank https://bbs.hcbbs.com/thread-5705722-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Common Issues in Haichuan Pipeline Design】For pipelines carrying substances such as ethyl acetate and methanol in tank areas, the spacing between these pipelines is less than 10 cm, and no equipotential bonding has been implemented. https://bbs.hcbbs.com/thread-5705733-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – Illustrated with photos and texts; everyone is welcome to participate in the discussion. https://bbs.hcbbs.com/thread-5705518-1-1.html (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
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[Common Issues in Haichuan Pipeline Design] – Summary post, currently being updated; feel free to join the discussion: https://bbs.hcbbs.com/thread-5705828-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】From 2028 to 2025, Lanshi Group developed China’s first 90MPa ionic liquid hydrogen compressor, which completed 90MPa hydrogen circulation pressurization tests. https://bbs.hcbbs.com/thread-5705737-1-1.html (Source: Haichuan Chemical Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Engineering Equipment】2841-2025: Longyu’s low-temperature heat coupling distillation technology for coal chemical processing has been recognized https://bbs.hcbbs.com/thread-5705831-1-1.html (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Engineering Equipment】2842-2025 **The research on ‘Key Technologies for Surface Treatment of Storage Tanks in Pipeline Systems, as well as the Development and Industrial Application of Intelligent Maintenance Systems’ has been evaluated as being at an internationally leading level** https://bbs.hcbbs.com/thread-5705865-1-1.html (Source: HaiChuan Chemical Industry Forum (HCBBS))