氨水蒸发器在SCR脱硝装置上的运用

摘要

概述了SCR脱硝法中常用的3种还原剂的优缺点，分析并提出了采用氨水作为SCR还原剂的优势；重点介绍了两种氨水蒸发器的原理、流程、控制要点以及在工程项目中的运用情况，并对两种蒸发器进行了简单比较，以供后续项目工艺路线的选择作参考。%The paper summarizes the advantages and disadvantages of three kinds of reducing agent in SCR denitration process, analyzes and proposes the advantages by taking ammonia as SCR reducing agent. Then, the paper introduces the principle, process, and control points of two kinds of ammonia evaporator, and the application situation in the speciifc engineer-ing project, and makes a simple comparison between the two types of evaporator.