某造纸厂燃煤锅炉烟气除尘脱硫系统设计  

Design of Flue Gas Dust Removal and Desulfurization System for Coal-Fired Boiler of a Paper Mill

作　　者：刘斌 LIU Bin(Qinhuangdao Capital Sita Environmental Protection Technology Co.,Ltd.,Qinhuangdao 061000,Hebei,China)

机构地区：[1]秦皇岛首创思泰意达环保科技有限公司,河北秦皇岛061000

出　　处：《流体测量与控制》2023年第1期80-84,共5页Fluid Measurement & Control

摘　　要：本设计针对某市某造纸厂的燃煤锅炉烟气除尘脱硫问题,其设计包括脱硫塔设计、工艺选择、除尘设备设计及脱硫管道的设计,并做了经济性分析,列出整个设计的预算。在整个设计过程中,运用气体吸收理论、传质理论及相关研究方法为基础,深入研究了烟气吸收过程及相关领域的计算。通过综合比较不同的吸收方法(湿式石灰石法、双碱法),得出不同方法的优劣所在。除尘流程中采用DBW(1)-10型静电除尘,喷淋塔高为7.21 m,排烟出口高为134 m,吸烟半径为2.28 m,排烟半径为0.40 m,整个工作装置处理烟气的排量为19953.248 m^(3)/h。经计算分析,管道压力损失为2286.78 Pa,管道风压为2600.42 Pa,综合比对风量及管道风压,选择锅炉离心引风机为G4-73-119D型。This design is aimed at the problem of dust removal and desulfurization of flue gas of a coal-fired boiler of a paper mill in a city,including the design of the desulfurization tower,the selection of the process,the design of the dust removal equipment and the design of the desulfurization pipeline,and the economic analysis is made to list the budget of the entire design.In the whole design process,based on the gas absorption theory,mass transfer theory and related research methods,the flue gas absorption process and the calculation of related fields were studied in depth.By comprehensively comparing different absorption methods(wet limestone method,double alkali method),the advantages and disadvantages of different methods are derived,and the dust removal process adopts DBW(1)-10electrostatic precipitator,the spray tower height is 7.21 m,the smoke exhaust outlet is 134 m high,the smoking radius is 2.28 m,the smoke exhaust radius is 0.40 m,and the exhaust of the entire working device to treat flue gas is 19953.248 m^(3)/h.After calculation and analysis,the pipeline pressure loss is 2286.78 Pa,and the pipeline wind pressure is 2600.42 Pa.Based on the comprehensive comparison of air volume and pipeline wind pressure,the boiler centrifugal induced draft fan is selected as G4-73-119D type.

关 键 词：烟气脱硫 喷淋塔 除尘器 管道 

分 类 号：X701[环境科学与工程—环境工程]