循环流化床锅炉j阀结构参数对回料量影响的冷态试验研究及应用 experimental investigation and technological renovation of j-valve about the effects of solids flow rate on structural parameters in a cfb boiler.pdfVIP
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循环流化床锅炉j阀结构参数对回料量影响的冷态试验研究及应用 experimental investigation and technological renovation of j-valve about the effects of solids flow rate on structural parameters in a cfb boiler
第27卷第5期 电站系统工程 Vol27No.5
1111兰!旦些竺!!壁竺!坚!!竺!坚 !
1)05-0008·03
文章编号:1005·006X(201
循环流化床锅炉J阀结构参数对回料量影响的冷态试验研究及应用+
李海广1于忠义2李可崴2赵增武。李保卫1武文斐
(1_内蒙古科技大学,2.内蒙古包头第一热电厂)
摘 要:在循环流化床冷态试验台上.开展了J阀结构参数对于回料量影响的试验研究.试验表明,在相同回料风量下.J阀循环宣
高度降低.有利于提高回料量,循环室与支持室通道高度在一定范围内改变.不会髟响到回料■.只是在通道高度比较低时,对于回抖
量产生影响。根据试验结果.对包头第一热电厂DG470/971-l循环流化床锅炉J阀.进行了技术改造-降低循环室高度274mm·解决
了该锅炉常出现的J阀回料不畅,振动等问题.确保锅炉安全经济运行.
关键词:循环流化床锅炉;技术改造;J阀;结构参数
66 文献标识码:A
中图分类号:TK229
and RenovationofJ-VaIveAbouttheEfiectsof
ExperimentaIInvestigationTechnological
CFB
RateonStructuralParametersina Boiler
SolidsFlow
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Ke-weL,el
Hai-guan暑,YUZhong-yi,LI
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flow aJ-valveina fluidizcd studied in
Abstraet:Solids experimentalsetup
throtlgh circulatingbed(CFB)WSS
that flowroteincreaseswiththe
couldhe Theresultsshowsulids
whichtIlccffectsofstructural investigated
parameters
decrease chamber inasmallcxtentbetween chamberand
ofrecycleheight.Thechangeofopeningheight recycle suppty
withthe
chamberwillnotaffectsolidsflowrateunlessa decteaseInaccordance
pronounced experimentalinvestigation
t/h WaScarriedoutwith chamberdecreased274
o
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