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【正文】 99098297296895895552995294994694293883918372895859834320820812229804100794209乙醇—水溶液的比熱kJ/kgK(kcal/kg℃)質(zhì)量%溫度,℃030507090kJ/kgKkcal/kg℃kJ/kgKkcal/kg℃kJ/kgKkcal/kg℃kJ/kgKkcal/kg℃kJ/kgKkcal/kg℃乙醇—水溶液的粘度質(zhì)量%溫度,℃203040506070102030405060708090/水污垢熱阻的大致數(shù)值范圍流體污垢熱阻m2K/kW.℃/kcal水蒸餾水海水清凈的河水未處理的涼水塔用水已處理的涼水塔用水已處理的用水硬水、井水水蒸氣優(yōu)質(zhì)不含油劣質(zhì)不含油往復(fù)機(jī)排出液體處理過(guò)的鹽水有機(jī)物燃燒油焦油氣體空氣溶劑蒸汽苯—甲苯溶液的粘度質(zhì)量%溫度,(℃)20304070800255075100Antoine方程常數(shù)物質(zhì)名ABCMINMIX℃水10168乙醇396苯16104甲苯6137固定管板式換熱器基本參數(shù):(1)。(2)公稱直徑DN鋼管制圓筒159325mm;卷制圓筒4001800mm。(3)換熱管長(zhǎng)度L15009000mm。(4)換熱管規(guī)格及排列形式 外徑*壁厚,mm排列形式管心距,mm碳鋼、低合金鋼不銹鋼φ25*φ25*2正三角形32φ19*2φ19*225(5)折流板(支持板)間距 (mm) 公稱直徑管長(zhǎng)折流板間距≤500≤30001002003004506004500~6000600~8001500~60001502002004506009001~300≤60002003004506007500,90007501400~160060003004506007507500,90001700~18006000~9000450600750(6)換熱管φ1φ25的換熱器基本參數(shù) 換熱管φ19的基本參數(shù) 公稱直徑(mm)公稱壓力PN(Mpa)管程數(shù)N管子根數(shù) n中心排管數(shù)管程流通面積 m2計(jì)算換熱面積,m2換熱管長(zhǎng)度L,mm150020003000450060009000400117414216415414614450123717222016420016500127519225618422218600143022241623437022636020700160727257427454227651824800179731277631472231671030900110093529883549383569143410001126739212343941186396114838120011837472181647417324761716461400125575522502544240455623785416001333961232826243176626314061換熱管φ25的基本參數(shù) 公稱直徑DN(mm)公稱壓力PN(Mpa)管程數(shù) N管子根數(shù) n中心排管數(shù)管程流通面積 m2計(jì)算換熱面積,mm換熱管長(zhǎng)度L,mmφ25*2φ25*1500200030004500600090004001981229411476114501135132126124106135001174142164154144156001245172232164222176216167001355212342214322216304208001467232450234442236430249001605272588274554276538261000174930274229471029669830120011115372110237410523761026361400115474321510434145443614244216001202347219824841900486188447(7)計(jì)算換熱面積按下式確定:A=πd()n式中:A計(jì)算換熱面積,m2;d換熱管外徑,m;L換熱管長(zhǎng)度,m;δ管板厚度(),m; n換熱管根數(shù)。內(nèi)壓筒體壁厚材料工作壓力(kgf/cm2)公稱直徑30040050060070080090010001200140016001800200022002400260028003000筒體壁厚A3A3F3333344455556666888433334445555666688863344455668881010101010346666881010121212141416161668888101012121416181820222424不銹鋼33333333444455557774333333344445557777633333334555667889910334455566789101212141416164567778810121414161818202224封頭公稱直徑(mm)曲面高度(mm)直邊高度(mm)內(nèi)表面積(m2)容積(m3)5001252540506001502540507001752540508002002540509002252540501000250254050120030025405014003502540501600400254050180045025405020
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