(),,,,,:DevelopmentandApplicationofHeatTreatmentProcessinSlowCoolingPitWangZhimingandMaChi(Plate-rollingPlantofWuyangIronandSteelCo.Ltd)AbstractThisarticle,throughanalysisandstudyofprocessandequipmentconditionforthetwoexistingslowcoolingpitsinPlate-rollingPlantofWuyangIronandSteelCo.Ltd,putsforwardmainpointsfortech2nicaloperationindevelopmentofheattreatmentprocess,putsforwardprocessimprovementmeasuresbymeansofcarefultestandexploration,makingthemhaveheattreatmentcapacitywithacertainscaleandob2tainingstable,uniformpropertiesKeywordsSlowcoolingpit,Process,Development,Application,,,,,11.11)(mm):4640()2240()10440();2):300tö;3):650;4):20DW-I-4,,1.21):7.5mmömin,11.2m;2):;1.31):6253kJöNm3,5190Pa();2):g-27-101.4,2400m3öh;3):2400m3öh1.4,2,,2.1,5182©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:h=H(ro-rt)-[(W2ö2g)Y-(W2ö2g)Y]-h:h;H;ro;rt;WY;WY;h:1),,,,,2),,,,,,3)hh,h,,,2.3:,2240mm,1120mm,550mm,,,,,,,,,,,,,33.1,3.2400mm,200mm,,,,,,3.3,,,,,,,6120022©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:1),2),,,,,,,3.6.2,,3.6.3,,,3.6.46000mm,,3.6.5,,3.6.6100150t,2024h3.6.7,8,3.6.8,44.1,,,,4.2,,,,,,4.35341t,3966t,74.25%,1375t,25.75%,P2071823112738,,2001725%,851%,988.51%,10100%,,4.41)200117,12)24.51),,5070;2),,,1015HB;3),71©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.)85.46%,:(1)2311;(2),;(3)5),,,,,1P207182311273830CrMoGY57882937442933(%)5050100%89.198499583290399482573(%)79.5910082.7578.1281.11911067111881220010960517411185(%)99.0989.5545.0092.5591.6692.501074301941271276025849797(%)81.0083.0042.0010076.3776.37241106304381734542129413432365388(%)87.9688.6743.3010084.7789.0485.462(244)(mm)(HB)100156303100150662971502229351),,,2),,3)550mm,,8120022©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.