150MW燃煤电厂烟气除尘脱硫工程设计.doc

150MW燃煤电厂烟气除尘脱硫工程设计广东工业大学
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设计总说明
本设计针对燃煤废气的性质，采用布袋除尘，有荷电干式吸收剂喷射法去除二氧化硫。布袋除尘具有除尘效率高、造价低、处理烟气量大、低耗能、运行稳定等特点，荷电干式吸收剂喷射法具有造价低、占地面积小、脱硫效率高、运行费用低等特点，特别适合中小型锅炉的烟气脱硫。是目前比较新的一种脱硫技术。根据要去除的污染物，采取先用布袋除尘器预除尘，再用荷电干式吸收剂喷射法脱除二氧化硫，最后再用布袋除尘器处理未气。
关键词：二氧化硫燃煤废气布袋除尘器荷电干式吸收剂喷射法

abstract
Thisdesigninviewofthefuelcoalwastegasnature,usestheclothsackdustremoval,hastheelectricallychargeddoing-likeabsorbentspraymethodtoremovethesulphurdioxide.Theclothsackdustremovalhasthedustremovalefficiencyhigh,theconstructioncostlow,theprocessingsmokemagnanimous,lowlyconsumesenergy,movessteadilygradesthecharacteristic,theelectricallychargeddoing-likeabsorbentspraymethodhastheconstructioncostlowly,theareasmall,thedesulphurizationefficiencyhigh,theoperatingcostislowandsoonthecharacteristic,speciallysuitsthemiddleandsmallscaleboilerthehazedesulphurization.Isthepresentquitenewkindofdesulphurizationtechnology.Accordingtopollutantwhichmustremove,adoptsfirstusestheclothsackdustremoverpre-dustremoval,thenusestheelectricallychargeddoing-likeabsorbentspraymethodtoremovethesulphurdioxide,finallyusesclothsackdustremoverprocessingnottobemadagain.
Keywords:SulphurdioxideFuelwastegasThecalicosackdividedsbythedust

目录TOC\o"1-3"\h\z\u
绪论…………………………………………………………………………………………1
HYPERLINK\l"_Toc74463278"工艺流程论证……………………………………………………………………2
2.1HYPERLINK\l"_Toc74463279"废气的除尘方法……………………………………………………………………2
2.2HYPERLINK\l"_Toc74463280"废气脱硫的方法……………………………………………………………………9
HYPERLINK\l"_Toc74463281"工艺流程的选择………………………………………………………………21
过程设计计算…………………………………………………………………24
HYPERLINK\l"_Toc74463283"设备设施计算……………………………………………………………PAGEREF_Toc74463283\h-26-
HYPERLINK\l"_Toc74463284"5.1一号布袋除尘器的计算………………………………………………………PAGEREF_Toc74463284\h-26-
HYPERLINK\l"_Toc74463285"5.2荷电干式吸收剂喷射脱硫法的设计……………………………………………28
HYPERLINK\l"_Toc74463286"5.3二号布袋除尘器的设计计算……………………………………………………30
HYPERLINK\l"_Toc74463287"5.4压力损失的计算…………………………………………………………………31
HYPERLINK\l"_Toc74463288"5.5风机的选择…………………………………………………………………