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The 25th National \"Safety Production Month\" in 2026: Everyone should talk about safety and know how to handle emergencies; identify and address potential risks and hazards. -------------------------------------------------- On June 23, Wanhua Chemical issued a statement stating that, in line with the requirements of chemical manufacturing processes and to ensure the safe and efficient operation of its production facilities, its 800,000 tons per year MDI production plant along with related facilities in its Fujian industrial park will cease operations for maintenance starting on June 23, 2026. The maintenance is expected to last around 20 days. This shutdown for maintenance is a routine inspection carried out in accordance with the annual plan, and it will not have a significant impact on the company’s production and operations.
【Haichuan Safety Discussion】Hidden Dangers Around Us – Is it an overzealous requirement to install combustible gas detectors outdoors without a rain cover? ? https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724304 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Engineering Equipment】3170-2026: Chongqing develops intelligent-controlled hydraulic diaphragm pumps for water pumps – filling a gap in China and setting a new standard for slurry transportation. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724171 (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Great Development in Chemical Equipment】A complete technology pathway for ethanol production from coal has been established from 2017 to 2026; a pilot-scale plant for the full process of converting dimethyl ether into methyl acetate at a capacity of 10,000 tons per year has completed its evaluation tests. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724199 (Source: Haichuan Chemical Industry Forum (HCBBS))
【Common Issues in Haichuan Pipeline Design】--Why are liquid seals required for some pipelines? ? https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724555 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】The 400,000-ton/year acrylonitrile plant at Zhenhai Refining & Chemical has been operating stably for one year (3175–2026). The independently developed S-ANT acrylonitrile technology package has been successfully industrialized. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724666 (Source: HaiChuan Chemical Industry Forum (HuaHaiChuanLiu hcbbs))
【Haichuan Teahouse】History is not just the names of the dead https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724771 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【3D Process Flow】--Basic Theoretical Knowledge of DMTO Methanol-to-Olefins https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724818 (Source: HaiChuan Chemical Industry Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】The first domestic joint venture for the entire polyamide production chain was put into operation in Fuzhou from 2031 to 2026! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724541 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Unsealed or Plastic-Sealed Extra Power Inlets in Explosion-Proof Electrical Equipment https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5722158 (Source: HaiChuan Chemicals Forum (HuaHaiChuanLiu hcbbs))