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The 25th National \"Safety Production Month\" in 2026: Everyone should talk about safety and be able to handle emergencies; identify and address potential risks and hazards. -------------------------------------------------- According to a report from Shuanghuan Technology in June 2026, planned maintenance is scheduled for Unit 2 of the ammonia synthesis gasification system. 1# The system maintains normal operation to ensure a supply of gas for downstream processes. Currently, the maintenance of System 2 is nearing completion, while System 1 has remained in stable operation. Shuanghuan Company uses four-nozzle water-coal slurry gasification, isothermal shift reaction, low-temperature methanol washing, and liquid nitrogen washing for gas purification, along with low-pressure ammonia synthesis, to produce 400,000 tons of synthetic ammonia per year.
【In-depth Discussion on Modular Installation by HaiChuan】Modular construction of the steel structure for Pipeline Gangway 3# in Nantong Blue Sea New Materials’ FDPE plant: one transportation, one installation, one success https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723569 (Source: HaiChuan Chemical Forum (Hua Hai Chuan Liu 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 Hai Chuan Liu hcbbs))
【Haichuan’s Guide to Chemical Equipment】Comparison of various drying equipment used in fine chemical industry, analysis of operating costs, as well as summary and recommendations for equipment selection https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724601 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
【Ten Years of Rapid Development in Chemical Processing Equipment】China National Petroleum’s first project of this kind – the 50,000-ton/year 1-hexene/1-octene co-production facility at Daqing Petrochemical – was successfully completed. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723648 (Source: Haichuan Chemical Industry Forum (HCBBS))
【3D Process Flow】--Basic theoretical knowledge of DMTO methanol-to-olefins process https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724818 (Source: HaiChuan Chemical Industry Forum (HuaHaiChuanLiu hcbbs))
【HaiChuan Safety Discussion】Hidden Dangers Around Us – Explosion-proof distribution boxes lacking warning signs indicating that the cover should not be opened after power is cut off https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5724919 (Source: HaiChuan Chemicals 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))
【History of Haichuan Chemical】--In 1966, the Lanzhou Chemical Research Center produced the first qualified rubber using a continuous polymerization process in China. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5723168 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))