10万t/a双加压稀硝装置的改造及优化总结  

Summarization of Reformation and Optimization of Double Pressurized Dilute Nitric Acid Plant with a Capacity of 100 kt/a

作　　者：黎志敏[1] 

机构地区：[1]杭州龙山化工有限公司,浙江杭州311228

出　　处：《化肥设计》2015年第1期38-42,共5页Chemical Fertilizer Design

摘　　要：介绍了杭州龙山化工的100 kt/a双加压法稀硝装置自投产以来,存在低压反应水冷器列管泄漏、废热锅炉爆管和夏季产量偏低等问题和不足,针对该情况对低压反应水冷器、废热锅炉和冷冻脱湿装置进行技术改造,技改结果表明:综合项目投运后年效益为111.2万元,取得了良好的效果。Author has introduced the problems and deficiency of tube leakage existed in low pressure reaction water cooler,tube rupture existed in waste heat boiler and the production on the low side in the summer and so on since putting into operation in the dilute nitric acid plant with a capacity of100 kt / a by double pressurization method in the Hangzhou Longshan Chemical Engineering Company Ltd.,in allusion to this situation the technical reformation was made for low pressure reaction water cooler,waste heat boiler and the refrigeration dehumidification device,technical reformation result indicates that annual benefit is 1 112 000 Yuan RMB since having put into operation of the comprehensive project,and has a good effect.

关 键 词：双加压法 稀硝酸 低压反应水冷器 废热锅炉 脱湿装置 优化改造 

分 类 号：TQ051.6[化学工程]