【Ten Years of Rapid Development in Chemical Processing Equipment】933–2023: Hydrogen-rich screw compressors with a rotor diameter of 844 millimeters

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Ten years of rapid development in chemical processing equipment – praise for China’s prosperity and strength. This is just a starting point; more participation from everyone will make things even more lively. Haichuan becomes even better with your involvement; we welcome everyone to take part in discussions on the forum. Everyone should pay attention to safety and know how to handle emergencies. ********************************************* On May 23rd, the hydrogen energy development and utilization demonstration project carried out by Hebei Iron and Steel Zhangxuan Technology was put into operation. Three days later, the main quality indicators of the green DRI product met the design requirements, with a metallization rate exceeding 94%, and all indicators satisfied first-class standards. This marks the maturity stage of the green transformation in MCC Jingcheng’s smelting process, where \"new hydrogen reduction\" based on zero-reforming technology for coke oven gas replaces \"traditional carbon reduction\". Kaishan provided the key core power equipment for this project: a hydrogen-rich screw compressor. The compressor rotor has a diameter of 844 millimeters, with an exhaust pressure of 0.8 MPa, which is the highest in the domestic industry. The commissioning of this project also marks that Kaishan has now achieved full coverage of the ultra-high flow rate range of 10–1100 m3/min for oil-free process gas screw compressors, reaching an internationally advanced level.