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某炼油厂常减压装置原油塔2003年10月1日投入使用。该塔为复合板制压力容器,内径6800mm,高57818mm,底部封头及自底向上起的6节筒体基体厚20mm,顶部封头及其余筒体基体厚16mm,内衬厚3mm,筒体基体材料20R,内衬材料为321/2205。设计压力0.35MPa,设计温度380℃,介质为原油、闪底油和油气。1全面检验
A refinery atmospheric vacuum unit crude oil tower October 1, 2003 put into use. The tower is a pressure vessel made of composite board, inner diameter 6800mm, height 57818mm, the bottom of the head and bottom up from 6 cylinder body thickness 20mm, the top head and the remaining cylinder body thickness 16mm, lined with 3mm thick, cylinder The base material 20R has an inner liner of 321/2205. Design pressure 0.35MPa, design temperature 380 ℃, medium for crude oil, flashover oil and oil. A comprehensive test