双加压法制稀硝酸工艺中二次水改一次水的利与弊  

Advantages and Disadvantages of Changing Secondary Water to Primary Water in Dilute Nitric Acid Generation Process by dual-pressure Method

作　　者：李苏军 LI Su-jun(ChongqingFeihua Environmental Protection Technology Co.,Ltd.,Chongqing 401221,China)

机构地区：[1]重庆飞华环保科技有限责任公司,重庆401221

出　　处：《化肥设计》2021年第1期54-56,共3页Chemical Fertilizer Design

摘　　要：从经济效益、节能减排、设备腐蚀、换热器的换热效果变化、水质要求以及循环水易于结垢所带来的影响等方面,较全面地阐述了双加压制稀硝酸工艺中二次水改一次水的利与弊。In this paper,the advantages and disadvantages of changing secondary water to primary water in the process of dilute nitric acid generation by dual-pressure method are analyzed comprehensively from the aspects of economic benefit,energy saving and emission reduction,corrosion of equipment,heat exchange effect of heat exchangers,water quality requirements and the influence of scaling caused by circulating water.

关 键 词：双加压法制稀硝酸装置 循环水 脱盐水 原因分析 腐蚀 结垢 

分 类 号：TQ111.26[化学工程—无机化工]