热力管道L型直角弯自然补偿臂长对比研究

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中图分类号：TU995.3 文献标志码：A 文章编号：1004-4345（2025）03-0026-04

Abstract Thepapersystematicallyanalyzestheinterelationshipbetween thelongand shortamsoftheL-shapedbends for naturalcompensatiointhemalpipingengineeringBasedonthermalxpansioncaculations，tispaperproposesthepriciplesfor selectinglongarmlengths.Bycomparingtheoreticalformulaswithstressanalysissoftwareresults，itdeterminestheminiushort armlengthrequiredtoaccommodatethermaldisplacementcompensationof thelongarmundervarious temperaturediferentials. Comparative analysis reveals that theoretical calculations for L- shaped bend compensation provide a significant safety margin. The derivedshortarmlengthvariesdependingontheratioofcalculatedstresstoallowablestressInthedesignof thermal piping engineering，longershortamsshouldbeprotizedtomaximizethtealpipingsystem'sinherentcompensationcapacitytreby minimizing the required compensation length throughout the thermal pipeline system.

Keywords thermal piping; natural compensation; flexibility analysis; minimum short arm length

热力管道是有色冶金行业中较为重要的管道。（剩余5035字）