简介：介绍了PowerFlex700系列变频器在圆钢修磨机上的应用及使用过程中的常见问题和处理方法,以及与西门子S7-300PLC通讯的设置。

简介：Baosteeldevelopedadigitalautomaticanalysistechniqueformaceralspecificationin2002.Thisanalysissystemcombinesdigitalimageprocessing,graphics,databases,expertsystems,artificialintelligenceandotheradvancedtechnologies.After6yearsofapplicationincokeproduction,thesystemproveditselfsuccessfulincoalqualitytestingandcoalblendingguidanceonmaceral.However,duringthislongprocess,someinadequacieswerefoundthatimpactedtheprecisionandaccuracyoftheanalysis.So,in2008Baosteelbegantoworkonimprovingthecoalmaceralanalysissystem.Theimprovementsincludedthefollowing:furtherupgradingandenhancingtheanalysisperformanceofmicroscopicimages;extendingthegraylevelstoincreasethereflectancemeasurementaccuracy64times;changingthefocusmethodandeffectivelyeliminatingtheinterferenceofhalo.Inaddition,animprovedimagerecognitionmethodwasadoptedtomaketheextractionofvitrinitemoreaccurateandanewmodelofcoalconstituentalgorithmwasaddedwhichcanaccuratelydeterminethecompositionofmaceral(exinite,vitrinite,inertinite).Sincetheseimprovementswerecompleted,thesystemhasachievedhigherautomation,speedandaccuracy,collectedmoreinformationandperformedmoreaccuratemaceralanalysisforcokeproduction.Meanwhile,theimprovedsystemhasprovidedareliableanalyticalbasisforthefurtherstudyontherelationshipbetweencokequalityandcoalblending.

简介：ThispaperintroducedtheresearchbackgroundandtechnicalfeaturesofBaosteel’ssinteringfluegasdesulfurization(FGD).Itwasalsonamedswirl-jet-absorbingwetlimestone-gypsumsinteringFGDtechnology.Bymeansofindustrialonlinepilotplants,throughcontinuousrunningandorthogonaltests,theeffectsofvariousinfluencingfactorsonSO2removalefficiencyofBaosteelsinteringfluegasdesulgurization(BSFGD)werestudiedcarefully.TheresultsindicatethattheslurrypHvalue,temperature(T)andflowrate(Q)ofinletfluegas,liquidlevel(H)intheabsorberandfluegasjetvelocity(V)arethemaininfluencingfactors.Furthermore,whenpHisbetween5.0and5.5,Hisbetween4.2mand4.3m,Qis43000m3/h,Tisbelow65℃andVisbetween20m/sand28m/s,thebestdesulfurizationefficiencycanbeavailable.

简介：当今世界企业之间充满竞争，企业要生存和发展，必须不断地努力提高自身产品的竞争力。6s管理作为一种行之有效的企业管理方法，正被越来越多的企业采纳。通过6s管理可以不断提高企业综合管理水平，树立企业形象和品牌。本文介绍中厚板卷厂根据生产现场实际情况，有效推行并实施6s管理，分析6s管理对企业管理的重要性。

简介：TheCOREXprocessisauniqueindustrializedsmeltingreductiontechnologyforiron-makingpresentlyintheworld.Oneofitsstrikingcharacteristicsisitsabilitytodirectlyutilizelumpcoalasitsmainfuel.Therefore,theCOREXprocessuseslittle,ornocokeatall.TherequirementsonlumpcoalfortheCOREXprocessweregiveninthispaper.Inordertoreducethecokeconsumptionandgiveplaytotheadvantagesofdirectlyusinglumpcoal,theappropriateratioofcoketolumpcoalneedstobedetermined.Thispaperalsosummerizedseveraladvancedmethodsofusingpowderedcoalgeneratedbythetransporting,loadingandunloadingoflumpcoal.InordertosolvethelackofcoaltypesforCOREXandobservethecrackinganddevolatilizationactionoflumpcoalinthemelter-gasifier,anexperimentaldeviceandanewmethodwereproposedtotestthecrackinganddevolatilizationcharacteristicsoflumpcoal.Bymeansofthenewmethod,thedevolatilizationandcrackingbehaviorsoflumpcoalcanbeinvestigated,whichishelpfultotheselectionoflumpcoalfortheCOREXprocess.

简介：介绍ER70S-6X焊丝钢的生产情况。通过化学成分及残余元素控制、精炼脱氧制度优化、连铸保护浇注和铸温铸速的稳定控制等工艺措施的实施，使EK70S－6X焊丝钢的产品质量和综合性能得到了稳定提升。

简介：随着变频技术在矿用架线式牵引电机车上的广泛应用与推广，交流变频调速电动机在矿用架线式牵引电机车上的应用也越来越普遍。变频调速节能效果明显，性价比也越来越优越，使得变频调速具有绝对优势而深受工业用户欢迎，本文对变频调速技术在西沟矿的应用进行了分析和探讨。

简介：介绍双鼠笼转子结构特点，对重复发生断条故障的原因进行分析，制定有针对性的修复措施，对转子修复工艺进行优化，提高电机断条故障修复后的稳定性，延长电机在线运行时间。

简介：本文针对采用西门子SINAMICSG／S系列变频调速装置的应用场合，引入了一个变频器与所驱动电机之闻允许最大电缆长度的计算公式。通过对不同负栽方式。不同电缆型号及横截面积。不同输出电抗器配置等具体情况的区别分析，利用此公式推导计算出允许电机电缆长度，并以之指导工程设计中的相关内容。