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1、http://www.sdtsdfhq.cnhttp://www.lctxglpj.comhttp://www.jhxnjsb.comhttp://www.jxynj.com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℃，达到70℃，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/h。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
2、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。Summeraircoolersixturbinesforfulloperation,theblindsopen,stillcan'tsatisfytheproductiontoyou.Sothattwo-thirdsofbutenecirculationtotheoriginal.Whenimprovebutenecirculationhighest,E-008aftercoldtemperaturewillexceedthe
3、technicalrequirementsof64℃,70℃,andwillcontinuetoimprovebutenecirculationcausedseriousbutenereturntankhttp://www.sdtsdfhq.cnhttp://www.lctxglpj.comhttp://www.jhxnjsb.comhttp://www.jxynj.comC-101-V-102andtotakeoffthebutenetoweroperation.Andinthewintercansustainbutenecirculationin66t/h.Onsummerc
4、oolingafterhightemperaturelimitofMEKproductionsituation,theworkshoptotakeforE-008aircoolertubebundlespray,butbecauseisdrumwindtype,stronghotairstreamtowashawaymostofthecoolingwaterspray,noobviouscoolingeffect,andontheotherhandspraywatertoacceleratetheaircoolerofsteelstructureandtheouterwallof
5、heatexchangetube,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,formedintheacidsolutionatsomepointinthewallofexchangeheatpipeiseasytocauseholecor
6、rosionandleakage.http://www.sdtsdfhq.cnhttp://www.lctxglpj.comhttp://www.jhxnjsb.comhttp://www.jxynj.com1.3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-008-atotalof6setsasinglesetofaircooler,becausetubebundleareaisbig,pronetodri
7、ftfromtheinfluenceofambienttemperature,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。1.4methylethylketonedeviceinaircoo
