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中文摘要：
蜀南气矿净化厂尾气烟囱为内砌耐火砖的钢质烟囱，在长期使用过程中，由于尾气残存硫和其他腐蚀物质综合作用，已经严重腐蚀和老化，不能维持简单再生产和扩大再生产的需要，必须立即采取加固措施。针对该烟囱具体腐蚀缺陷，进行可靠性鉴定。通过大量的计算机模拟和剩余强度的有限元计算，找出了烟囱的薄弱环节和对几种加同方案进行了比较分析，最终得出可靠的加固方案，为企业取得了显著的经济效益和社会效益。
英文摘要：
The chimney of South Sichuan Gas Mine Purification Factory is a steel chimney lined with refractory bricks. In long-term use process, as exhaust surviving sulfur and other corrosive matters it has serious corrosion and aging. It can not meet the simple reproduction and expansion reproduction need. Which needs reinforcement measures immediately. According to the specific corrosive defects at this chimney, a reliability assessment is done. Through massive computer simulation and finite element computation of residual strength the chimney weak link is got and a comparative analysis of a few reinforcement plans is carried out. Finally reliable plan is obtained so that remarkable economic and social benefits are achieved.
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