直硝装置冷冻盐水站工艺改进  

Technical Improvement of Frozen Brine Section in Nitric Acid Plant

作　　者：曾祥根 

机构地区：[1]南化有限公司氮肥厂,江苏南京210035

出　　处：《化工生产与技术》2001年第5期24-26,共3页Chemical Production and Technology

摘　　要：介绍了将直硝装置冷冻盐水站４台氨蒸发器由并联改为串联操作，使冰机制冷能力提高了１４．７％，并对冰机制冷能力的提高进行了计算。It was introduced that four ammonia evaporators in parallel were changed into connection in series for the frozen brine section of nitric acid plant by direct synthesis. Refrigerator freezing capacity was raised 14. 7%. Calculation of the refrigerator freezing capacity was also made.

关 键 词：冰机 氨蒸发器 工艺 计算 硝酸 直硝装置 冷冻盐水站 

分 类 号：TQ111.2[化学工程—无机化工]