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一、概述我公司自1980年4月以来,先后承担了天津煤气事业处和天津第一石油化工厂12台(其中天津煤气事业处10台,天津第一石油化工厂2台)球罐建造和焊后整体热处理工作。球罐的主要技术参数:材质——日本 SLA-37;容积——400m~3;壁厚——30mm 直径——φ9200mm;设计压力——16kg/cm~2;球体重量——63TSLA-37系从日本进口的调质钢,据日本住友金属工业株式会社来函介绍,该钢材系以淬火加回火调质状态供货。淬火条件:淬火温度——910℃;保持时间——45分钟;冷却方法——水冷。回火条件:回火温度——640℃;保持时间——30分钟;冷却方法——空冷。SLA-37材料化学成分、机械性能见表1。
I. Overview Since April 1980, our company has successively undertaken the construction of 12 sets of Tianjin Gas Business Office and Tianjin No.1 Petrochemical Plant (including 10 sets of Tianjin Gas Business Division and 2 sets of Tianjin No.1 Petrochemical Plant) After welding the overall heat treatment. The main technical parameters of the tank: Material - Japan SLA-37; volume - 400m ~ 3; wall thickness - 30mm diameter - φ9200mm; design pressure - 16kg / cm ~ Quenched and tempered steel imported from Japan, according to Sumitomo Metal Industries Co., Ltd. letter, the quenched and tempered steel quenched and tempered state supply. Quenching conditions: quenching temperature - 910 ℃; holding time - 45 minutes; cooling method - water-cooled. Tempering conditions: tempering temperature - 640 ℃; holding time - 30 minutes; cooling method - air-cooled. SLA-37 material chemical composition, mechanical properties in Table 1.