在设计条件一定的前提下,根据压力容器设计规范的有关规定,在保障压力容器安全运行的条件下,选择一种最佳设计方案,以降低设备制造成本,获得最佳的经济效益。本文就16MnDR材料的二氧化碳低温储罐是否需进行焊后热处理的条件进行了分析和论述,科学合理地提出了设计改进的措施。 Under the premise of certain design conditions, according to the relevant provisions of pressure vessel design code, under the condition of ensuring the safe operation of pressure vessel, choose the best design scheme to reduce the equipment manufacturing cost and obtain the best economic benefit. In this paper, 16MnDR material carbon dioxide cryogenic storage tank whether the need for post-weld heat treatment conditions were analyzed and discussed, scientifically and reasonably designed to improve the design measures.