循环流化床锅炉j阀工作特性试验研究 test study on working behavior of j -type valve used for cfb boiler.pdfVIP
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循环流化床锅炉j阀工作特性试验研究 test study on working behavior of j -type valve used for cfb boiler
循环流化床锅炉J阀工作特性试验研究
李海广,赵增武,李 科,李保卫,武文斐
内蒙古科技大学能源与环境学院,内蒙古包头014010
[摘 要] J型回料阀是循环流化床锅炉(CFB)常采用的一种回料装置。其工作特性对锅炉正常运
行十分重要。提出一种通过测量CFB锅炉内关键部位压力差如立管差压、风室差压、
炉膛差压等来分析和判断J阀工作特性的方法,并在冷态CFB试验台上进行了试验。
试验结果表明,测量炉内关键部位压力差的变化可以了解J阀的工作特性,对解决CFB
锅炉运行中常出现的J阀堵塞、震动等问题提供了针对性的方法和措施。
[关 键词]CFB锅炉;回料装置;压力差;J阀;风室;物料床层
[中图分类号]TK229
[文献标识码]A
[文章编号]1002—3364(2012)04—0036—04
IDOl编号]10.3969/j.issn.1002—3364.2012.04.036
oNWORKINGBEHAVlOROF VALVE
TESTSTUDY J—TYPE
USEDFoRCFBBoILER
Wenfei
LI Ke,LIBaowei,WU
Haiguang,ZHAOZengwu,LI
of andEnvironmentProtection,Inner ofScienceand 014010,
CollegeEnergy MongolianUniversity Technology,Baotou
Inner
MongolianRegion,PRC
isa toreturnmaterialsintorisersinCFB
Abstract:Thevalvekindof used
J—type facilityfrequently
normal oftheCFBboiler.A
boilers,its behavioris for operation
working veryimportantensuring
on
for and the behaviorof valvebased difference
method J’’type pressure
analysingevaluatingworking
differenceofmaterialinthe
on intheCFBboiler,suchasthe riser,the
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