固定管板换热器几种免除设置膨胀节方法的研究

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中图分类号：TQ051.5 文献标识码：B 文章编号：1004-8901（2025）02-0052-03

Several Methods to Eliminate Expansion Joints in Fixed Tube Sheet Heat Exchangers

LI Chao （Spang Technology Co.，Ltd.，Shanghai 20l210，China）

AbstractWhentereissignificantmperatudierecebetwentheubesidandhellsdoffixedtubesthatehaneraso jointsareentaildowechialsightstructiododeesstastge pensive，desigotizatioisqedtlinatetedforepastsisarproposesseealarochstdrestisue Keywords：heat exchanger；expansion joint；axialcompressive stress of heat exchange tubes；bafle spacing adjustment doi：10.3969/j.issn.1004-8901.2025.02.011

固定管板换热器因为结构简单、制造成本低等优点，广泛应用于石油化工行业。（剩余3920字）