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1992年9月10日,哈尔滨工业大学容器与封头成形技术研究所王仲仁教授等、东方王氏球罐集团和技工业部第23建设公司在哈尔滨铁路局液化石油气总公司工地对首台LPG液化石油气球形贮罐进行整体液压成形,下午16时40分开始加载成形,当晚24时壳体变形达到预定压力P=3.07MPa,初步成功,9月12日又对壳体进行最终成形处理,当压力达到P=3.42MPa时壳体达到成形压力,完成最终成形。
September 10, 1992, Harbin Institute of Technology container and head forming technology Professor Wang Zhongren, etc., the Oriental Wang Group and the Ministry of Construction and Construction 23 technology companies in Harbin Railway Bureau liquefied petroleum gas company site on the first LPG LPG spherical tank for the overall hydroforming, 16:40 start loading and forming 24 hours that night the shell deformation to a predetermined pressure P = 3.07MPa, the initial success, September 12 and the final shell forming process, When the pressure reaches P = 3.42MPa, the shell reaches the forming pressure to complete the final forming.