锅炉引风机“小”改“大”的实践

The Practice of Changing Boiler Induced Draft Fan from “small” to “big”

为满足国家环保要求,浙江大唐乌沙山发电公司2号机组将安装SCR脱硝工程,为解决安装SCR脱硝工程后引风机过出力运行的问题,公司决定对2号机组进行引风机改造。阐述了浙江大唐乌沙山发电公司2号机组锅炉引风机改造前存在的问题,具体方案以及改造后的经济效益分析。对引风机与增压风机合并的优点,对各类火力发电企业实施脱硝改造和引风机改造具有一定的借鉴作用。

In order to meet the requirements of national environmental protection, No. 2 unit of Zhejiang Datang Wushashan power generation company will install SCR denitration project, in order to solve the installation of SCR denitration project, a power operation of the fan, the company decided to unit 2 induced draft fan reformation. This paper expounds the Zhejiang Datang Wushashan power generation company has induced draft fan reformation of boiler No. 2 unit before the problem, analysis of concrete scheme and economic benefit after reconstruction. This paper also analyzes the advantages of citation fan and booster fan after the merger, the implementation of denitration renovation and transformation of induced draft fan has a certain reference role for the various types of thermal power enterprises.