离心式压缩机的设计
摘要
离心式压缩机的用途很广。例如氨化肥生产中的氮、氢气体的离心压缩机,空气分离工程、炼油和石化工业中普遍使用的各种压缩机,天然气输送和制冷等场合的各种压缩机。在动力工程中,离心式压缩机主要用于小功率的燃气轮机、内燃机增压以及动力风源等。
本课题研究的内容是设计一台离心式压缩机。叶轮和扩压器是离心式压缩机的关键部件,叶轮设计制造的好坏及其与扩压器的匹配将对压缩机的性能产生决定性的影响。
关键词:进气道叶轮扩压器
The Desig
n of Ce
ntrifugal Compressor Abstract:Ce
ntrifugal compressor isveryversatile.Avarietyof occasio
ns such as
nitroge
n,hydroge
n,ammo
nia fertilizer productio
n i
n the ce
ntrifugal compressor,air separatio
n e
ngi
neeri
ng,commo
nlyused i
n the refi
ni
ng a
nd petrochemical i
ndustries,compressors,
natural gas tra
nsportatio
n a
nd refrigeratio
n compressors.I
n power e
ngi
neeri
ng,the ce
ntrifugal compressor is mai
nlyused for low-power gas turbi
nes,i
nter
nal combustio
n e
ngi
ne supercharged a
nd dy
namicwi
nd source. The co
nte
nt of this research is the desig
n of a ce
ntrifugal compressor.Impeller a
nd diffuser is a keycompo
ne
nt of the ce
ntrifugal compressor impeller desig
n a
nd ma
nufacture of the good or bad a decisive impact o
n the matchwill be the compressor diffuser performa
nce. Keywords:I
nlet;Impeller;Diffuser 目录 摘要3 1前言5 1.1离心式压缩机技术现状和发展趋势5 1.2离心式压缩机发展方向6 2.离心压缩机气动参数计算8 2.1原始数据8 2.2进气道参数9 2.3压缩机叶轮参数10 2.4无叶扩压器段参数15 2.5叶片扩压器参数17 2.6蜗壳参数19 2.7压缩机参数校核20 2.8轴的强度校核21 2.9轴承和键的选择21 2.10轴承盖的参数计算21 3结论22 参考文献23 致谢24
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n of Ce
ntrifugal Compressor Abstract:Ce
ntrifugal compressor isveryversatile.Avarietyof occasio
ns such as
nitroge
n,hydroge
n,ammo
nia fertilizer productio
n i
n the ce
ntrifugal compressor,air separatio
n e
ngi
neeri
ng,commo
nlyused i
n the refi
ni
ng a
nd petrochemical i
ndustries,compressors,
natural gas tra
nsportatio
n a
nd refrigeratio
n compressors.I
n power e
ngi
neeri
ng,the ce
ntrifugal compressor is mai
nlyused for low-power gas turbi
nes,i
nter
nal combustio
n e
ngi
ne supercharged a
nd dy
namicwi
nd source. The co
nte
nt of this research is the desig
n of a ce
ntrifugal compressor.Impeller a
nd diffuser is a keycompo
ne
nt of the ce
ntrifugal compressor impeller desig
n a
nd ma
nufacture of the good or bad a decisive impact o
n the matchwill be the compressor diffuser performa
nce. Keywords:I
nlet;Impeller;Diffuser 目录 摘要3 1前言5 1.1离心式压缩机技术现状和发展趋势5 1.2离心式压缩机发展方向6 2.离心压缩机气动参数计算8 2.1原始数据8 2.2进气道参数9 2.3压缩机叶轮参数10 2.4无叶扩压器段参数15 2.5叶片扩压器参数17 2.6蜗壳参数19 2.7压缩机参数校核20 2.8轴的强度校核21 2.9轴承和键的选择21 2.10轴承盖的参数计算21 3结论22 参考文献23 致谢24
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250377
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