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1、探讨空冷器百叶窗管束喷淋结构点夏季空冷器六台风机全数运转、百叶窗全开的状态下,依然满足不了生产要就。从而使丁烯循环量降到原来的三分之二。当丁烯循环量提高最高时，E-008冷后温度将超过工艺要求的64°C,达到70°C，继续提高丁烯循环量将严重引起丁烯回流罐V-102和脱丁烯塔C-101操作波动。而在冬季丁烯循环量能够维持在66t/ho针对夏季冷后温度高限制产量的情况，车间采取对E-008空冷器管束喷淋，但由于是鼓风式，强大的热空气流将大部分冷却水雾冲走，起不到明显降温效果，且一方面喷淋水加速了空
2、冷器的钢结构和换热管外壁的翅片腐蚀和结垢，严重影响空冷器的长周期运行。Summeraircoolersixturbinesforful1operation,theblindsopen,stillcan7tsatisfytheproductiontoyou.Sothattwo-thirdsofbutenecirculationtotheoriginal・Whenimprovebutenecirculationhighest,E-008aftercoldtemperaturewi11exceedth
3、etechnicalrequirementsof64°C,70°C,andwi11continuetoimprovebutenecirculationcausedseriousbutenereturntankC一101-V-102andtotakeoffthebutenetoweroperation.Andinthewintercansustainbutenecirculationin66t/h.Onsummercoolingafterhightemperature1imitofMEKprodu
4、ctionsituation,theworkshoptotakeforE一008aircoolertubebundlespray,butbecauseisdrumwindtype,stronghotairstreamtowashawaymostofthecoolingwaterspray,noobviouscoolingeffect,andontheotherhandspraywatertoacceleratetheaircoolerofsteelstructureandtheouterwall
5、ofheatexchangetube,fincorrosionandfouling,theseriousinfluencelongperiodrunningofaircooler・1.2存在腐蚀泄漏问题1.2corrosionleakageproblems由于水中夹带氯离子和硫酸根离子，在管壁的某点形成的强酸溶液对换热管易造成小孔腐蚀并泄漏。Duetothewaterwithchlorineionandsulfateion,formedintheacidsolutionatsomepointin
6、thewal1ofexchangeheatpipeiseasytocauseholecorrosionandleakage・1・3冬季易发生冻凝现象1.3winterfreezingoccureasilyE-008共有6台单组空冷器组成，由于管束面积大，易发生偏流受环境温度影响大，且物料中含有水，在冬季如不能及时调整就很容易出现冻凝的安全隐患。E一008一atotalof6setsasinglesetofaircooler,becausetubebundleareaisbig,pronetodr
7、iftfromtheinfluenccofambienttemperature,andwateriscontainedinmaterials,inthewinter,suchasnottimelyadjustthesafehiddentroublethatispronetofreezing.1.4甲乙酮装置在用的空冷器E-008换热管外壁易结垢，降低管束的换热效果。影响空冷器的换热效果，同时清洗污垢增加了维护费用。1.4methylethylketonedeviceinaircoolerforE
8、-008theouterwal1ofheatexchangetubefouling,lowertubebundleheattransfereffect・Affecttheaircoolerheattransfereffect,cleanthedirtatthesametimeincreasesthemaintenancecosts・2板式蒸发式空冷器的选用Thechoiceof2plateevaporativeaircooler2.1板式蒸发式空冷器的优点2.1theadvantagesofpl
