循环流化床锅炉降低飞灰中可燃物的探讨 on deminishing combustibles in the fly ash of circulating fluidized bed boilers.pdfVIP
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循环流化床锅炉降低飞灰中可燃物的探讨 on deminishing combustibles in the fly ash of circulating fluidized bed boilers
发电设备(2007No.3)
循环流化床锅炉降低飞灰中可燃物的探讨
张金良1, 陈爱国2, 夏远飞3, 夏光辉3
(1.神东上湾热电厂,陕西榆林719315;2.佛山金峰热电有限公司,广东佛山528325;
3.锦州热电总公司,辽宁锦州121000)
摘要:介绍了飞灰再燃技术,就是将CFB锅炉尾部除尘器收集的飞灰,返回炉膛再燃烧,以降低飞灰可
t/h
燃物损失。在75 CFB锅炉上,原飞灰可燃物损失达18%,采用LLB飞灰再燃烧技术,使飞灰可燃物损失降
低到9%。
关键词:能源与动力工程;循环流化床锅炉;飞灰可燃物;再燃
中图分类号:TK227.1 文献标识码:A 文章编号:1671.086X(2007)03.0206.03
in
On Combustiblesthe Ashof
Deminishing Fly
FluidizedBedBoilers
Circulating
ZHANG Ai—gu02,XIAYuan.fei3,XIA
Jin.1ian91,CHEN Guang-hui3
Power
Plant,Yulin719315,China;
(1.ShendongShangwanCogeneration
2.Foshan PowerPlant
JinfengCogeneration Co.Ltd.,Foshan528325,China;
General Power
3.Jingzhou CogenerationPlant,Jinzhou121000,China)
Abstract:Therecombustionis consistsof back has
fly—ash techniquebeingexplained,whichreturningflyash,which
been dust intheboiler’s the the of thecontentof
gatheredby separators near,intofurnace,forpurpose
reducing
combustiblesinthefind tocombustiblesinthe a75t/hCFBboilerwasas as
loss,due ash,of
fly—ash.Theoriginal fly high
LLBash losshas to
18%,but recombustion 9%.
byapplyingfly technique,thisdropped
and fluidizedbed inthe
Keywords:energypowerengineering;circulatingboil
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