简介:Inthispaper,theinternationalstatusoftheresearchonthetechnicalstandardsofsmartgridsisoverviewed.AnapproachusingtheSLOprincipletoestablishthetechnicalstandardsystemofstrong&smartgridsisputforward.Afour-layeredstructureforthesystemisexpounded,whichconsistsof8domains,26technicalfields,92standardseriesandhundredsofstandards.
简介:Inrecentyears,manyNi-containingmaterialsmanufacturedfromlateritehaveplayedasignificantroleinsupportingtherapiddevelopmentofthestainlesssteelindustryinChina.Currently,pyrometallurgyisthemainprocessforlateritesmelting,whereblastfurnacesareemployedtomakeNi-containinghotmetal.Withtheaimofgivingsomereferencesformakinggooduseoflaterite,technicalandeconomicanalysiswasconductedinthispaper,basedonthediscussionofthekeytechnologiesofNi-containinghotmetalproductionwithlaterite(50.4%Fe)inblastfurnaces.
简介:Themaintechnologiesforreducingfluegasheatlossofpulverizedcoal-firedboilersareintroduced,andthesuitabilityofthesetechnologiesforboileroperationandtheprinciplesforselectionofthesetechnologiesareexplored.Themainconclusionsare:1)thenon-equilibriumcontroloverfluegasflowratesattheinletoftheairheaterandthereversalrotationoftheairheaterrotatorshouldbepopularizedasregulartechnologiesinlargeboilers;2)increasingtheareaoftheairheatertoreducethefluegasheatlossinpulverizedcoal-firedboilersshouldbethetopoptionandincreasingtheareaoftheeconomizerbethenextchoice;3)low-pressureeconomizertechnologycouldsaveenergyunderspecialconditionsandshouldbecomparedwiththetechnologyofincreasingeconomizerareaintermsoftechnicaleconomicswhenthelatterisfeasible;4)thehotprimaryairheaterisonlysuitabletothepulverizingsystemwithalargeamountofcoldairmixed.