Molybden - techintroduce

Úvod

MolybdenUmisametalelementDiscoredRelativeLativeLative.ItWasonlyextractedFromlolyBdeniteByswedishchemistsin1792.BecauseMemalMolybdenumhastheadvantagesOfHighStvergth, highmeltingpoint, korozierezistence a oděv, ithasbeenwidelyuseusedsinindustry.

InThemetallurgicalIndustry, molybdenumisudesesTak jakoAdditiveInteStrroductionOfPROTIariousalloysteels, oritcanbecombined swithtungsten, nikl, kobalt, zirkonium, titan, vanadium, rheniumandoteradvancendalloystoimproveitshighshestrestrengthandrengthandrengenghandrengonisherengancenderenghancedrengthandrenghandrengthandrenghancedrengonissionsistsistance.ResianceandcorrosionResistance.Molybdenum-obsahující navázané naManuManufacTuretranssportationDevices, lokomotivy, průmyslové machinery avariousInstruments.UNESSTONSETSSTELSCEELSCONINGING4%TO5%zMOLYBDENUMARESUSEDStoproduceStrrecisionChemicInStrumentsAnquipmentUsedSisenseawaterenvironments.PROTIysokorychlostní konzolací 4%na 9.5%CANEUSEDTOMANUFACTURENCUREHIGHE-SStrEEDCUTTINGTOOLS.Molybdenum, nikl a chromiumAlloyaresedstomanufActuremetalComponentsFonents, and-rezistentní aresistantStrartsonlocomotivesandautomobiles.Molybdenum, wolfram, chrom, avanadiumalloysareusedstomakealloycomponenty a.

MolybdenummetaliswidelyuseuseuseuseatingMaterialsandStructralMaterialsforhigh-templereelectricfurnaces, mareboldectrodesAndGridSofvaCuumtubes, polovodičové látky nalezlivé najevo..PROTIzhledem k tomu, že seSMALLTHERMERMeNetroncaptureCrecross-SECTIONSHIGHDURABILALITA, molybdenumcanalobeuseuseuseaSastructuraluralMaterialFornluclearreaktory.

InthechemicalIndustry, molybdenumismainlyusedForlubricants, katalystsandpigments.Duetoitslamellarcrystalstructureandsurfacechemicalproperties,molybdenumdisulfidehasgoodlubricatingpropertiesunderhightemperatureandpressure,andiswidelyusedasanadditiveforoilsandgreases.MolybdenUmisacatalystcomponentinteSesulfurizationOfhydrogenproductionandotherpetroleumrefiningStrrocess.ItisusedInTheoxidation ReductionReactionFethanol, formaldehydeandoil-chemicals.MolybdemorangeisanimportantStrigment.MolybdenumchemicalSareWidelyuseuseusedsindyes, inkousty, colorStrrecipitationDyes, AndantiorrosiveStrrimers.

MolybdenumcompoundsarealsowidelyuseuseuseusedInAgriculturalFertilizers.

CharakteristikyOfMolybdenumDeposits

MolybdemisatransitionalIron-StrhilicelementimentingeochemicalClassification.Ininternalmineralizace, molybdenumismainlyCombinedwithsulfurtoformmolybdenit.Othercommonmolybdenum-containingmineralsincludeironmolybdenum,calciummolybdate(CaMo),colormolybdenumlead(StrbMo),collosulfidemolybdenum(

),bluemolybdenum(·nH2O),etc.

Molybdenit () iStEmostWidelyDistributedMolybdenummineralWithpracticalAndustrialPROTIalueamongmorethan30molybdenum-obsahující minerály známé.MolybdenitiSlead-grey, similartograf, bezmetallicluster, abelongstothehexagonalcryStalSystemsmystestems.TheCrystalsAreftenhexagonalflakes, WithStratternsonTheBottom, Softandslippery, THEADANDFLEXIBLE.TheSecificGravitityis4.7 ～ 4.8, Thehardnessis1 ～ 1.5, THEELTINGStroitis795 ℃, THESTEREAKSONTERAMICStrLATEARELIGHTGREENGRAYORLIGHTGL.Whenheatedto400～500℃

Itiseasytooxidizeandform.ObobacicacidandaquaregiacandeComposemolyBdenite ().MolybdenititeiSusedinteSStrroductionFerromolybdemalloy, metallicmolybdenum, vápenatémolybdate, amoniummolybdate, maziva atd..

Morfologické charakteristiky

ThereStrolyTypyinMolybdenit.ExperimentsShowthattheappearanceofStrolyTypyisRelatedtotheformationTemperature.TYTORMATIONTEMStrEMStrEROF2H-TYStrEMOLYBDENITEISHIGHERTHANTHATHOF3R TYStrE.Molybdenit.Amorfní → Colloid → 3MO → 2HMoisformedFromlowTemperatureToHightemperature.TheTempereMereSurementDatashowthattheFormationteMeperatureofMolyBdeniteHasawiderange, fromfairlyHightStreratureToarelatitiveLowtemperature, andalargeamontofitisforditedEhIshomediumtemperaturestage,.PROTI rámci léčbyHydrothermalfluidu, sradecitatesacidicconditions, tj. MolybdenitisMostStable as kyselé podmínky.WhEndherolutionTstonerstoneutral, molybdenumbecomessolublethiomolybDateaNDMolybdateisactiveAgain.Underlowandnormaltemperatureconditions,generatescolloidalthiomolybdenite()inastrongacidreductionenvironment,andtheproductofitsoxidationisbluemolybdenum(section>·n).NenuogenUseffects, molybdemisandhasstrongmobility.Similartouranium, itisstableTronsitionAlenvironmentOfoxidationAdreductionTatisclosetoneutralkalescescent, čímž se vyvolává avationuofuraniummolybdateminerals, saseasmolybdenit, molybdenitu atd..Iron-MolybdenumbloomisacommonMineralformedBysulfideoreunderacidicconditions (pH = 3 ～ 5).ColormolybdenumLadoreadeiStheproductofLead-ZincorecontainingMolybdenumunderneutralConditions.

TheionicradiusOfrheniumIssisimilartothofMolybdenum, soitoftenreclacesmolybdenumanDumandisenrichedinMolybdenit, stát se shemainSourceoFindustrialrhenium.TherheniumContentinMolybdenitiSofTrelatedtothe3rtypeContentinMolybdetiteandtherheniumContentintteoreoreoreolus.

Hlavní komponenty

Kvalita Specifikace aChemicalComposition

AccordingtothetechnicalconditionsofGB3200—89molybdenumconcentrate,therearethreeNinevarietiesofgradesQualitySpecificationsofMolybdenumConcentrates

Třídy	Typy	Molybdenum%je bez	Nečistoty%, notmorethan
SIO2	Tak jako	Sn	Str	Cu	Strb	Cao
PROTIynikající produkty	První třída	51	7.0	0.05	0.04	0.03	0.2	0.30	2.8
Třída2	51	8.5	0.03	0.02	0.02	0.2	0.15	1.4
Threecategories	51	5.0	0.10	0.10	0.05	0.5	0.60	1.5
První třídaproduct	První třída	47	9.0	0.07	0.07	0.05	0.3	0.40	3.0
Třída2	47	11.0	0.05	0.05	0.03	0.3	0.20	2.0
ThreetEpy	47	6.0	0.20	0.15	0.10	1.0	1.50	1.5
TWOGRADEPRODUKT	První třída	45	12.0	0.07	0.07	0.07	0.3	0.50	3.0
Třída2	45	13.0	0.06	0.06	0.04	0.3	0.30	2.0
ThreetEpy	45	6.0	0.25	0.15	0.15	1.5	1.50	2.0

Tak jakosaytechnology

MolybdenummineraLALALASAY: gravimetricmethod, objemový komora, kolorimetrie, polarografie, atomicabsorptionsPectrofotometry, rentgenové aspektroskopyareaavailablefortherenminationOfMolybdenumwaitit.SINCETHETONTENTOFMOLYBEMINTHOREISGENERALLYLOW, COLORIMEMETRICMETHODSAREFENUDESEDEDEDETERMINZACE, a CATALYTITICPORALOGROGROGRAGOROGRAISALSOSSOUSEDEDEDEDEDED.TheSostWidelyuseusesSthethiokyanatecolorimetrimetcmethod, tos, molybdenum (vi) isredacedtomolybdenum (v) inacidsolution, athemolybdenum (v) formsanorange-redcomplexwithtHiocyanateFomParrison.ItcanbereducedInnitricacidorsulfuricacidSolution scorespondingWeakreducingagentsSuchasstanouschlorideandthiourea.Tento methodissimple, rychlý, sfewinterferenceElements, goodstabilityandhighaccuracy.DiferenciálníspektrofotometrieCanbeusedForhigherContententofMolybdenum a theTraceamontofMolybdenumcAlsObextractedwithethylacetátforcolorimetrie.

Stanovení shighContentMolybdenum (molybdenumconcentrate), canusegravimetricmethodandvolumetricmethodd.GravimetricmethodincludeSleadMolybdateMethod, benzoinoximeMethoDand8-hydroxyquinolinemethod.Mezi těmto, TheleAdMolybDateMetHasmanyInterferenceElements a complicatedProcedures, buttheacidity -upravenímPrecipitationIs po celé a theLeadMolybdatecompositionSstable, sotheaccuracyishigh, aditiswidelyuseuseuseusensinproduction.ThebenzoinoximeMethodhasfeWerinferenceElements, butthecompositionOfTherecipitedLiadisstable, sotheacccuracyishigh, andtiswidelyuseusedsinSroduction.

Abriefhistoryofmining

TheFirstMolybdenummineDeveRedintheworldwastheknabendepositintEthekingdomdofnorway.TheMineStartedminingIn1885.DuetothesMallDemandformolybdeumattHatthime, miningstoppedduringthemin.IntheseCondhalfofthe19thTury, MolybdenumfirstBeganindustrialproductionInTheunitedStates, withananualuoutputOfOnlyafewtons.Sinnethe20thCtury, thedemandformolybdenumhasincreasearyearbyyear, amolybdenummininghasexpandyearbyyear.TheannuaLoutputOfMolybdemintheworldhasincrapidrapidly.ATtheend, itwillReach100 000Tons.

MyCountry'SMolybdenummineswereFirstDiscoveredintheLelastyEarsOftheQingynasty abegantobeMineMineOnTheeveofThefirstworldwar.ATTHATTIME, SOMEPROTIEIN-TYPEMOLYBDENUMDEPOSITSALONGTHECOASTOFFUJIANANDZHEJIANGANDSOMEPROTIEIN-TYTETUTNETONDEPENDEPOSITSASOSOCIEDSWITHMOLYBDENUMINEMInSouthernchinawEREMAINLYLYMINED.ATtheendofThewarofresistanceAgainstjapan, TheangJiazhangzimolybdenummineinliaoningWasexploitedbyjapaneseInvaders.THEANUALOUTPUTBEFORERIBERACEWASONLYAFEWTONS, ANTISTATITORETHORETHANTENTONS.Afterliberation, inordertomeetTeedsOfSocialistConstructionsourcountry, thereelarge-scalemolybdenumindustrybases (yangjiazhangziinliaoning, Jinduichenginshaanxi, alluanchmalDerandinMinin, mnoho.TheasSociatedMolybdemisalsOrecovered, sothattheannualualusputOfMolybdenumContryCountrysJumpInTotheworld'sAdvancedRanks.

SituatieofMolybdenumminy

Molybdenumreservesranksamongthetopintheworld,includingJinduiTown,HuaxianCounty,ShaanxiStrrovince,Huludao,Jilin,Shanxi,Henan,Fujian,Guangdong,Hunan,andSichuan., Jiangxi, Gansu, InmongongoliaandotherProvindenceSallhavemolybdenumminesWithLargereSerserseandGooddevelopmentConditions.TheoutputsulOccuesAnimportantPositionStOntry.TEMOLYBDENUMMINERALSWITHUSTRIALPROTIALUEAREAMAINLYMOLYBDENITE (), ANDOUT99%zMOLYBDENUMOREISMINESTHESTATEOFMOLYBDENITE ().MyCountry'sMolybdenumConcentrateImainlyExportedtorussia, JapansandwesternCountries.

OnJuly21,2011,theprospectingreportoftheShapinggouMolybdenumDepositinGuanmiaoTownship,GuanmiaoTownship,JinzhaiCounty,surveyedbythe313GeologicalTeamoftheAnhuiBureauofGeologyandMineralResources,passedthereviewbytheAnhuiStrrovincialMineralResourcesReserveReviewCenter,withreservesof220Morethan10,000tons,rankingfirstinTak jakoiaandsecondintheworld,withapotentialresourcevalueofmorethan600billionyuan.Thisistheonlysuper-largeworld-classmetaldepositdiscoveredinAnhuiStrrovince,endingthehistoryofnolarge-scalemetalminesinAnhuiinDabieMountains.

OnJune7,2010,thereporterlearnedfromtheBureauofGeologyandMineralResourcesofHenanStrrovincethatthethirdgeologicalsurveyteamoftheBureaudiscoveredanextra-largemolybdenumdepositinQianechong,XinyangshanCounty,withanamountofabout600,000tonsofmolybdenummetal., ThePontinentEconomicPROTIalueexleds200bilionyuan.

Qian'echongminingareaislocatedInhepengtownship, Guangshancount, 34Kilometersnorthofguangshancounty..

Oblast: 11.6 čtverečních kilometrů.

QianechongmolybdenumminehasDelineated3mainMolybdemorebodies.INADDITIONTOTHEPRONEN600 000-Tonsuperlargemolybdemoreorebody, thereretwoorebodiesUnderexploration.

Podle expertů, ThereSourceReserSofasingingoreOofqianechongMolybdenumMineanksfirstintheCountry.ThesubmiseofThisResultHasmadeTheToTaLofProvenMolybdenUmReSatThenorthhernfoofThedabieMountainsRankamongthetopintheCountry.THEALSOBEEPROTIIETHATTHSUBMISSIOFTHEQIANECHONGSUPERLARGEMOLYBDENUMMINEWILLNONLYLAYASOLIDFUNDACEFORXYANGASTHEPROPROTIINCE'SMOLYBDENUMINDUSTRYBAS.

Strrospectingofmolybdenumdeposits

Of the229MolybdenumDeposithhathavebeenIdentifiifiedInMyCountry, otone-třetíhvebeenexplored.Geologicalexplorationofmolybdenumdepositsisdesignedformineconstructionindeterminingmineproductionscale,productplan,miningdevelopmentplan,mineoveralllayoutandmineconstructionlong-termplanning,aswellastheminingtechnicalconditionsofthehydrogeologyandengineeringgeologyofthemine,andtheperformanceoforeprocessingandsmelting.Itprovidesthenecessarygeologicalinformation,soitisafterthegeneralsurveyanddetailedgeologicalworkofthemolybdenumdeposit(area),theminingtechnicalconditionsofthedepositgeology,hydrogeologyandengineeringgeology,aswellasthetechnicalperformanceoforeprocessing,comprehensiveutilization,andminingareaThepreliminarytechnicalandeconomicevaluationoftheexternalconstructionconditionsisfeasible,andthentheexplorationworkiscarriedout.

IntheexplorationOfMolybdenumminingareas, theFirstStepistodeterTetheTetheTetheTeFexplorationBasedonTonthesize, tvar, tloušťka, tloušťka, thedegreeofStructuraldamage, a theiformityofTedistribubutionOfThemainComponentSoreoreoreoreoreoreoreoreoreoreoreoreohrooreoreoreoreoreoretheoreoreorehrooreoreoreoretheoreoreoreoreoreoretheoreoreoreoretheoreoreoretheoreohrooreoreoretheoreoretheoreoretheoreore nejvyšší.ThendeterMineTheeExplorationMetHodandtheintervalbetweenExplorationProjectsactordingTotheTypeofexploration.The"SpecificationsforGeologicalStrrospectingofMolybdenumDeposits"formulatedbytheMinistryofGeologyandMineralResourcesandtheMinistryofMetallurgicalIndustryin1983dividedtheexplorationtypesofmolybdenumdepositsintofourcategories:

1) TheFirstTypeofexploration: TheorebodyHasalargescaleaNSshapeSimple, stabletorelativně startabletHickness, SmallStructuraldamage, andrelativněunitivněuniformDimforbubbutionofThemainComponentsOfTheoreoreoreoreoreoreoreoreoreoreore nejvyšší.DepozitybelongingtothistypeincludeJinduichenshaanxiandsandaozhuanginhenan.

2) TheSecondexplorationType: TheoreboDiesEMostlymemeMedium-Scaleextension, ComplexinShape, StabletounStabletHickness, SmallTolalargeimpactSofStructuralFailuReanDinterSerseddykes, AndunevendistributionOnCoreComStobeveveryUseven.ThedepositsbelongTothistypeincludeyangJiazhangziinliaoning, wudaolinginheilongjiang, andbashaninhunanananananananananananananananana.

3) PrůzkumníkTypeiii: TheorebodieSaremostlylargeinscale, SimpleInshape, StableInThickness, SmallIndamageToStructuredSandDykes, athemainMomponentsOftheoreArelatiatitativePROTIenTouneNenenelyDibuted..TheDepoSitBelongTothistypeisshangfanggou, Henan.

4)ExplorationtypeIPROTI:thescaleoforebodyextensionissmalltomedium,theorebodyshapeiscomplextoverycomplex,thethicknessisunstabletoveryunstable,theimpactofstructuralfailureordykeinterleavingislargetolarge,Thedistributionofthemaincomponentsoftheoreisveryuneventoextremelyuneven.ThemineralDepositbelongTothistypeofexplorationshirengou, Jilin.

Developmentandutilization

Struremolybdenumwireisusedforhightemperatureelectricfurnaceandelectricdischargemachiningandwirecutting;molybdenumsheetisusedtomakeradioequipmentandX-rayequipment;alloysteelcanbeaddedwithmolybdenumImproveelasticlimit,corrosionresistanceandmaintainpermanentmagnetism.MolybdemisoneofTheSenmicronutrientementsNeedForPlantgrowThanddevelopment.Bez toho, rostlinycannotsurvive.Zvířata afish, likeplants, alsoneedmolybdenum.

KlasifikaceOfMolybdemore

1.Singlemolybdemore

SuchastheYangjiazhangzimolybdenummineinLiaoning,theJinduichengmolybdenummineinShaanxi,andLuanchuaninHenanMolybdenummine,Ruyangmolybdenummine,Yechangpingmolybdenummine,DaheishanmolybdenummineinJilin,Lanjiagoumolybdenummine,HuangshanmolybdenummineandQingtianmolybdenummineareallsinglemolybdenumore.

Za druhé, měď-molybdenum ruda

TEMOLYBDENITEITNEOREORESYMBIOSIONSWITHPROTIARISECOPERSULFIDEMINERS, SISASDEXINGCOPPERMINE, BAOSHANCANCOPPERMINE, XIAOSIGOUCOPPERMINE, LINJIANGCOPPERMINEANDXIANLINBUCOPPERMINE atd..Jinduicityalsobelongstothiscategory.

3.Tungsten-molybdenum ruda

Themolybdeniteandtungstenoreintheoresymbiosis,amongwhichareStriaotangtungstenore,Guankengtungstenore,WenshuitungstenoresymbiosiswithwolframiteMine,DajishanTungstenMine,XihuashanTungstenMineandMiantuwoTungstenMine;theminesthatcoexistwithscheeliteincludeLuanchuanMolybdenumMine,ShizhuyuanTungstenandMolybdenumMine,etc.

4.KarbonaceCopper-molybdemore

ThindindoforeiSalsoveryComMonabroad, atheoreContainsOrganicCarbonandCarbonaceousshale.TEMOLYBDENITITEINJINKOULINGCO-Existswithcarbon-Containingsiliceousshale.Thisindofcarbonrockisblack, hustý, masivní, ahard, withacarboncontentof2.94%.THECARBONEXISTISISISPERSEDSSTATEANDDOESNOTCOMBINEWITHMINERALS.Karbonaceshaleiscomposedofmicryrocrystalinequartz, finecarbonaceousparticles, asmallamountOnferriteparticles, andargillaceouschlorit.CarbonaceshaleaNDMOLYBDENITITearefloable, socarbonandmolybdenumseparationsRequired.

PROTI.PROTIanadium-uranium-molybdenumore

MolybdenumoccursinteoreoreassUbmicroscopicCrystals, a theParticlesIseIsextremelysMall, výroba.TheCarbonaceousvanadium-uranium-molybdemorecontains15%až25%CarboranDisthepigmentaseDethekIlnsburnedbythelocalpeople.ThisdindoforeisveryDifficultTobeseesed, AndonlychemicalbeficiationCanbeused.

Zdroje molybdenu

ReferstomolybdemoreReserves, Reservebase, AndResources.MolybdemisarefractoryMetalandandispensablerawMaterialialInMetallurgie, elektrická, chemická, aviationandaerospaceindustries.Skonmpletní struktura: TheSteeLinDustryCountsForABout75%, WhichalloysteelaccountsFor29%, nerezové kapacity pro34%, Andothersteels (Nástroje, vysokorychlostní, caststeel) AbsoniationFor12%; inadice, superaliony, kovy, katalyzátory, andchemicalproductsAccountfor25%.Podle lymAnualReviewOfworldmineralResources, theTotalConSonSofMolybdenumintheworldin2002was127 000 do 135 000tonů.INTheSameyear, TheWorld'sProductionOfMolybdenummines Was133,900tony.Mezi themem, The OutputOfTheUnitedStates, Čína a chileaccountForAbout76%ofThorld'stotal, zejména the-productsOfchileanProresorgeredRoreSurgedgedgedgedgedgedged.Inthepast10years, The GrowThrateofMolybdenumintheworldhasexedThegrowThrateofConscous.V roce 2003, TheWorld'sProvenReserSofMolybdenumwere8.6 milliontonů.Mezi Chinais3.3 milliontons, TheNitedStatesis2.7 milionů, chileis1.1 milliontons, canadais450 000tons, Andrussiais240 000Tons.Thereservebaseis19milliontons (8.3 milliontonnsinchina, 5.4 milliontonTheunitedStates, 2.5 milliontonsInchile atd.).Morethan80%ofthemolybdenuceducedInTheWorld'SminesmainlycomesFomBeby-productSofPorphhyry-TypemolybdemoreandProfyry-Typecopperore.Theformmer, takový, coasheunitedstatesofquatsemount, Claymax, Henderson, China'Shenanluanchuan, Shaanxijinduicheng; Theletter, Suchaschile'schuququicamata atd..ItiteSetiMatedtHattHeamountOfMolybdenumreSourcesidentifiifiedInTheworlisMorethan12milliontons.

MolybdenumreservesRankSamongthetopintheworlldinmyCountry.TherearemolybdenumminesinJinduiTown,HuaxianCounty,ShaanxiStrrovince,Huludao,Jilin,Shanxi,Henan,Fujian,Guangdong,Hunan,Sichuan,Jiangxiandotherprovinces,andThereservesarelarge,thedevelopmentconditionsaregood,andtheoutputoccupiesanimportantpositioninthecountry.TEMOLYBDENUMMINERALSWITHUSTRIALVALUEAREAMAINLYMOLYBDEIT (MOS2), ANDOUT99%MOLYBDENUMOREISMINESTISTHESTATEOFMOLYBDENITE (MOS2).Atpresent,MyCountry'sMolybdenumConcentrateImainlyExportedtorussia, JapansandwesternCountries.

Expertsfromthe313geologicalteamoftheAnhuiStrrovincialGeologicalBureauofficiallyannouncedthattheprovenreservesoftheShapinggouMolybdenumDepositinGuanmiaoTownship,JinzhaiCountyaremorethan500,000tons,andtheresourcevalueexceeds200billionyuan.ThisisthecurrentdiscoveryinAnhuiStrrovince.Theonlysuper-largemetaldepositabieshanedThehistorOllarge-ScalemeTalPositsinsinanhui.

Qian'echongminingareaislocatedInhepengtownship, Guangshancount, 34Kilometersnorthofguangshancounty..

MolybdemorebeneficiationEquipment

MolybdemorebeneficiationEquipmentMainlyIncludes: Feeder, Jawcrusher, Ball mill, SpiralClassifier, MiningMixingBarrel, flotationmachine, koncentrační machiny, atd..AndrelatedTattachedmachines.

Úvodtomolybdenumore

Molybdemisametalelement, withealead-greycolorandmetalicluster, sounáležitost.4.7 ～ 4.8, HardspecificGravitityis1 ～ 1.5, MeltingPoitis795 ℃, iSeasilyoxidizedToformWHeatedto400 ～ 500 ℃, BothnitricacidandaquaregiadeComposemolyBdenite ().MolybdenumhastheadvantAgesFhighStreth, Highmeltingpoint, koroze, opotřebení atd.., Soithasbeenwidelyuseusedsinindustry.

MyCountry'SMolybdeumbeneficiationHasahistoryofHalfactuntury.ThemolybdenumbeneficiationplanthasdevelopedfromtheonlyYangjiazhangzimolybdenumbeneficiationplantintheoldChinatomorethan50molybdenumbeneficiationplants,copperandmolybdenumbeneficiMolybdenumconcentratorandmolybdenum-bismuthconcentratorproducemolybdenumconcentrates.TheGapbetweenmolybdemoreBeficiationTechnologyAdvancedForeIgnCountriesHasbecomesMalleRandsMaller.

MolybdemorebeneficiationProcess

TheMeinMethodofMolybdeumbeneficiationInMyCountryisflotation.IntheepSelectionOfMolybdenum založené na seznamuTraceaMountSofCopper, aparthialMixingPriorityFlotationPrototationProcessiseSised.TheValuableMineralsOlSoReSoreSesedbythejinduichengMolybdenumconcentratorAremolybdenit, pyriteandasmalmallountofchalcopyrite.Itadoptsmolybdenum-coppermixedflotation,tailingsflotationpyrite,copper-molybdenumseparationandStrartialmixingofmolybdenumconcentrate-priorityflotationprocess.V současné době je OurcountryalsoreCoversMolybdenum z mědi-molybdenum ruda.THECOMMONPOCESSISCOPPER-MOLYBDENUMMIXIXEDFOTACE, THECHOPPER-MOLYBDENUMSAPARATIONAD AMOLYBDENUMCONCECTRATESELECTION.

MolybdemorebenficiationProcessinclude: molybdenumbeneficiace, měď-molybdenumneficiation, wolfstenandmolybdenumneneficiace, amolybden-bismBeneficiationtoproducemolybdenumconcentrát.

TheMainComMonlyuseusedMetHodSethesodiumsulfideMethodandthesodiumcyanideMeDeparateCopperandMolybdemandtheselectionOfMolybdenUmConcentrates.ThenumberoftimesOfMolybdeumbeneficiationMainlyDedSotTotalenrichmentratioofMolybdenum.Obecně platí, že ifthetotalenrichmentratioishigh, poté - pakOfSelectionSisussualmore; ifthetotalenrichmentratioislow, poté -.Forexample, teoriginaregradeoftheoreprocessedbytheluanchuanmolybdenumconcentratorisrelativněhigh (0.2%TO0.3%), atheenrichmentratiois133to155.TheoriginalDesignForthoToTofbeneficiationIs7Times.TEMOLYBDENUMGRADEOFTHERAWOREPROCESEDBYTHEPLANTISABOUT0.1%, Theenrichmentratiois430-520 a athetotalNumumberOftimeSofbeneficiationReaches12Times.Inrecentyears, inordertomeetTheneedSofMolybdenumConcentrateExport, thejinduichengMolybdenumConcentratorhasadoptedthehydrochlochloricacid-ferricchlorideeleachingMetHodToreMoveimUritiesIntemolybdenumConcentratedateratedaterateraterateraterateraterateraterateraterateraterateraterateraterateraterateraterateraterateraterateraterateratedacenTratedacenTrate..

PopisOfMolybdemoreBeneficiationProcess:

1.Molybdemoreiscoarlycrushedbyajawcrusher, a thencrushedtoareasobleFinenessByafineJawcrusher.Itissenttothesiloviatheelevator.

2.ThefeederisevenlyfeDinTotheballmill a Theoreisgroundbytheballmill.

3.The GroundOreFineSentertheSpiralClassifier.ThespiralClassifieRusestheprincipleofDifferentsPecificGraVityofSolidParticlesandDifferentEsetimentationSpeedsintheliquidTocleanandClassifythetheoreMixture.

Čtyři.AfterpassingThroughThemixingTank, itissenttotheflotationmachineforflotationoperation.Podle nížekolicifferentMineralCharacteristics se různé korespondování flotace FrotationReagentareadded.IntheflotationMachine, TheBubbles aMineralParticlesSenamicalDelidEdadTheBobbleParticlesArecombinedstaticallytoseparateTerequerequiredMineralsFotHortHebStances.Vodovodní teperaceoffin-custorfin-granedmolybdenumore.

Za páté, Useahigh-EfficiencyThickeRerovethewaterinthemineralConCentRateafterTrotationToreAchThenational Standard.

Z toho, že se vyskytují, sjednocují, concentratorsinmyCountry'Snon-ferroussystem, thegradesofThesEdraworevarygreatly.3%, ThelowBeingBelow0.1%asomeareonly0.02%.TheactualRecoveryRetHroughMolybdemoreBeficiationEquipmentisover80%.ThegradeoftheofTeanedConcentRateIsbetween45%a 54%, thegradeoftailingsismishostlyaround0.02%, Thehighis0.04%, athelowis0.01%.

InthecurrentdustrialProductionOfMolybdenum, TheProcessofMolybdemoreficiationEquipmentMainlyusesMolyBdeniteConcecentRateForsMelting, včetně oxidace, extractionOfpuremolybdenumtrioxid a areductionroastingIntomeTALlicMolybdenowderowderowder.Odkaz.

TEMOLYBDENUMCONTRATESFISIDIZEDANDROASTEDINAREBERATORATIONFURNACE, AMULTI-HEARTHFURNACE, ABOILINGFURNACE, ORAFLASHFURNACE.Afterdesulfurization, Akindofimpuremolybdenumtrioxid (40%～ 48%) isroasted.SandAndcalcinecanBeproducedFromferromolybdeumalloyBymetalheatingMethodorsiliconheatingMethod.TherearetwomethodsforProducingPuremolybdenumtrioxidefromCalcine: oneissublimationMethod a theotheromedrometallurgy.ItisloechedAndpurifiedWithammoniasolutionToremoveimUrities, thenthemolybdemisprecipitetedShestateofammoniumparamolybdate (56%) ormolybdicacidbycrystalizationOrhydrochloricacidneutralizace a athenroastedtobecomeomepureMolybdeumtrionid..Konečně, puremolybdenumtrioxideisMadeTometalMolybdenumpowder (99.7%-99.9%) ByhydrogenreductionMethod ahenmadeIntomolybDenumingosOrsolybdeumbarsBypowdermetallurgyorfurtherthertsmelting.

V současné době, TheSmeltingProcessofMolybdenumConcentrateSathomeandabroadhasBeenStueDandtestSomenewTechnologiesandNewMethods.Forexample, molybdeniteconcentrateSarenotoxidizedAstroasted a atheyaridectlyextractedbyoxygenpressurecookingorbacterialLeaching.Molybdenumtrioxid.TheLow-GradeoxideoreSleachedWithsulfuricacid, andpuremolybdenumtrioxidextractedFromThesolutionByioNexchangeOrextraction.Nepřijevo, ThesmeltingMethodsOfMolybdenumConcentRateIncludelimeroast, Nitricacidleach, sodík, sodík, sodík, andelektro-oxidace uzavírání.

Therheniuminthemolybdenumconcentrateismainlyrecoveredfromtheoxidativeroastingfluegasleachingliquidortheoxygenpressurecookingliquidofthemolybdenumconcentrate,andthenthehighrheniumismadefromthesolutionbytheextractionmethodortheionexchangemethodStrotassiumacidorammoniumperrhenateisthenreducedtomakehigh-purityrheniumpowder.

TheharmfulimpuritiesInMolybdenumconcentrates, takové, olovo, cín, arsen, fosfor, vápník, silicondidio oxid atd.., notonlyaftectthequalityOfMolybdenumproducts, butsoaffectTheprocessanEquipmentofMolybdenumsmltingting.Apollutetheenvironment.ITNeedStobestrictlyControlledBeforesMelting, orrecycledduringsmlting, sothatitbecomesaufulkomponentAndGreatlyimprovestHeindustrialValueofMolybdenumDeposeits.

Molybdenit

Sulphidemineralwhosechemicalcopositions.TherearedifferentTypes, které belongtothexagonalandtrigonalcryStalSystems.Obsahující59.94%molybdenu, iTistEMostportantMineralrawMaterialForextractingMolybdenum.ITOFTENCONTAINSRHENIUM, který má být známý.Molybdenitisleadgraywithstrongmetallicluster.S CompleteBotTomcleavage.TheCrystalisinTheshapeofahexagonalplate.Obvykle produceducedInflake, scalyorfinelyDispersedGranularform.Molybdenitisthemostwidelydistributedmolybdenummineral,mainlyproducedinhighandmediumtemperaturehydrothermalfluidsandskarndeposits.ItiseasytoweatherIntomolybdenumbloomSonthesurface.Claymaxandyulard-Hendersonincolorado, USAAretheworld-FamousMolybdeiteDeteSoits.China'Shenan, Shaanxi, Shanxi, liaoningandotherprovincesAlsohaveproduction, a theTotalReserSerSerSersHaveleaptTotheforefrontofTheWorldlld.

Úvod

Molybdenit

Molybdenitisadisulfideofmolybdenumandisthemostimportantmolybdenumresource.TherearedifferentTypes, které belongtothexagonalandtrigonalcryStalSystems.MolybdemisusedStomakeelectricalAllectronicComponentsSuchasfilament držitelé, anodesandgrids, andheatingelementsforelectricfurnaces.Molybdenitalsooftencontainsrhenium,anditisalsothemineralwiththehighestrheniumcontent,soitisalsothemostimportantmineralforrefiningrhenium(rheniumcannowbedirectlyextractedbecausepurerheniumhasnowbeenfound)[1].Molybdenitisverysoftandharderthannails.Obecně se staví oni, olovo, olově.MolybdenitisproducedinHenan,Shaanxi,Liaoningandotherplacesinmycountry.

Chemické složení: MOS2, Mo Molybdenum 59.94%, Ssulfur40.06%;

Identifikační charakteristika: MolybdenitisCracterizedByitSleadGray, MetallicLuster, Lowhardness, axtremelycleavageonthebottom.Kompletní, vysoká specificita, silná, zapalovací karet;

Graphiditefference; Heatierthangraphite, WhileslightlyBlue, GraphiteIshlightlyBrown; IntermsOfStreaks, MolybdenitstripShEmarkisgreen, butthegraphiteisblack.BurniTintheairorboilitinNitricacidTogetMolybdenumtrioxid.

Výskyt: ItismainlyCausedByHighAndMediumteMperemHydrothermalfluids asDepositsAreticky releatedtoacidrocks;

TheSostimportantMolybdenumDepositSarePorphyryMolybdenumDeposit; symbióza skassititerite, wolframite, bismuthite, arsenopyrit atd..Orsymbiosiswithgarnet, diopside, epidote, scheelite atd.

FALDORIGINS: TheWorld'sfamousoriginSincludeTheunitedStatesAsdaustralia, NewSouthwales, Kanada, Quebec, Ontario, Norsko, Švédsko, TheNitedKingdom, Mexiko, Čína, Henan, Shanxi, Shaanxiandotherplass.

Krystalová morfologie

Compoundhexagonalbipyramidalcrystaly;

TheCrystalsAreintheshapeofHexagonalplatesAndAptatesParalLeltoc (0001);

ThatieSimplexare: ParallelDouble-SidedC (0001), hexagonalcolumnm (10-10), hexagonaldoublecones (10-15) a nasoon.

Krystalická struktura

Molybdenit

Crystalsystemandspacegroup:hexagonalsystem(2Htype),spacegroupisD46h—Str63/mmc;tripartiteThecrystalsystem(3Rtype),thespacegroupisC5-R3m.

UnitCellParameters: A0 = 3.15angstromy, CO = 12.30angstromy (2htype), z = 2, a0 = 3.16angstromy, C0 = 18.33angstromy (3rtype).

Strhysicalproperties

Tvrdost:

Molybdenit

1-1.5, Canmakestreaksonpaper

Specifická hmotnost: 5.05G/CM3

Štěpení: (0001) Extrémně kompetentní

Barva: LeadGray

Molybdenum

Stripe: Brightgray

Transparentnost: neprůhledná

GLOSS: Metallicluster

Luminiscence: Žádné

Ostatní: thesheetisFlexibleandhasagreasyfeel

Optické vlastnosti

ETflectionColorisGrayandwhite.Reflexe: ROIS36.0 (Greenlight), 31.5 (Orangelight), 30.5 (redlight); opětovné15.5,18 a 15.StrongDoubleReflection, Ro-Whitebeltsnowcyan, přehluk.Silná heterogenita.

Mainasus

Používá se kEextractMolybdenum, makemolybdenumsteel, molybdikacid, molybdateandothermolybdenumcomponounds.

MolybdenUmisametalelementthatWasDiscoveredRelativelativeLative.ItWasonlyextractedFromlolyBdeniteByswedishchemistsin1792.

TheColorofMolybdenitSipureLeadGraywithMetallicluster.Thehardnessis1-1.5, ATHESPECIFICIFICIFICIFICIFICIFICIFICIFICIFICIFITYIS4.7-5.0.Obecně platí, že molybdeniteisblackflake, šupinatá, šířená, granulalorcleavavable, neprůhledná.IthasasoftTexTureanDiseaSilySplintoabendoableButinelasticsheetwithaslipperyfeel.AnalysasShowsThatItSelectricalConductivityIncreasesWithIncRuesingTemperature, AndIsResistantToHightemperatures.ItisUsedStoextractMolybdemandmakemolybdenumsteel, molybdikacid, molybdateandothermolybdenumcomponds.

MineralogistsbeliethetHetHemolybdeiteDeteSitsWithIndustrialVaeareelatedTourdergroundHotliquids, andaremostwidelyDistributeDInTistItributedInquartzveinSorquartzizeDrocks.

CharakteristikaFrawMaterials

Molybdenit()isthemostwidelydistributedamongthemorethan30molybdenum-containingmineralsknowninnatureandhaspracticalindustrialvalueMolybdenumminerals.Othermorecommonmolybdenum-containingmineralsincludeiron-molybdenum([()·8]),calciummolybdate(

),colormolybdenumleadore(),colloidalsulfidemolybdenumore(),bluemolybdenumore(·n

)etc.

TherePolyTypesofMolybdenit.ExperimentsShowthattheappearanceofStrolyTypyisRelatedtotheformationTemperature.TOFORMATIONTEMPERATOF2H-TYPEMOLYBDENITITEHIGHERTHAN3RMOLYBDENIT.TheTEMperatureFromlowToHighFormSamorphous → Colloid → 3mo → 2HMO.TheTempereMereSurementDatashowthattheFormationteMeperatureofMolyBdeniteHasawiderange, fromfairlyHightStreratureToarelatitiveLowtemperature, andalargeamontofitisforditedEhIshomediumtemperaturestage,.PROTI rámci léčbyHydrothermalfluidu, sradecitatesacidicconditions, tj. MolybdenitisMostStable as kyselé podmínky.WhEndherolutionTstonerstoneutral, molybdenumbecomessolublethiomolybDateaNDMolybdateisactiveAgain.Underlowandnormaltemperatureconditions,generatescollosulfidemolybdenum()inastrongacidreductionenvironment,andtheproductafteroxidationisbluemolybdenum()section>·n).NenuogenUseffects, molybdemisandhasstrongmobility.

SOUFEAFITHISTORY

TheFirstMolybdenummineDereDenintheworldwastheknabendepositinnorway.TheMineStartedminingIn1885.DuetothesMallDemandformolybdeumattHatthime, miningstoppedduringthemin.IntheseCondhalfofthe19thTury, MolybdenumfirstBeganindustrialproductionInTheunitedStates, withananualuoutputOfOnlyafewtons.Sinnethe20thCtury, thedemandformolybdenumhasincreasearyearbyyear, amolybdenummininghasexpandyearbyyear.TheannuaLoutputOfMolybdemintheworldhasincrapidrapidly.ITREACHED100 000TONSINTHELATE1970S.

Čína'sMolybdenummineswereFirstDiscoveredintheLateQingdynastyandBegantobeMineontheeveofThefirstworldwar.ATTHATTIME, SOMEPROTIEIN-TYPEMOLYBDENUMDEPOSITSALONGTHECOASTOFFUJIANANDZHEJIANGANDSOMEPROTIEIN-TYTETUTNETONDEPENDEPOSITSASOSOCIEDSWITHMOLYBDENUMINEMInSouthernchinawEREMAINLYLYMINED.ATtheendofThewarofresistanceAgainstjapan, TheangJiazhangzimolybdenummineinliaoningWasexploitedbyjapaneseInvaders.THEANUALOUTPUTBEFORERIBERACEWASONLYAFEWTONS, ANTISTATITORETHORETHANTENTONS.Afterliberation,inordertomeettheneedsofChina’ssocialistconstruction,threelargemolybdenumindustrybases(YangjiazhangziinLiaoning,JinduichenginShaanxi,andLuanchuaninHenan)havebeenestablishedsuccessively,aswellasseveralsmallandmedium-sizedmines,manycopperminesandtungstenmines.TheminealsoreCoverstheassociatedMolybdenum, thismakingchina'snAnnualuoutputOfMolybdenumConcentRateaPintothothothothotheworld'SadvancedRanks.

ImpactTheenvironment

I.Zdravotní rizika

Invasionmethods: inhalace, požití.Zdravotní rizika:irritatingtoeyesandskin.Strartofthecontactsdevelopedpneumoconiosisdisease,consciouslydyspnea,generalfatigue,dizziness,chestpain,cough,etc.

2.Toxikologická formationAnDenVironmentAlBehavior

Akutetoxicita: LD506.1mg/kg (ratorální) nebezpečí:.ITCANREACTWITHOXIDANTY.

Spalování (rozklad) Produkt: oxid molybdenu.

Oteření úniku

IsolethetheleakingContaminenArea, SetupWarningSignsaRound, andCutoffthefiresource.ItisRecomedTheMergencyPerSonnelnewear-reseld-obsahovanou BreathingaParatuSandchemicalProtectiveClothing.UsetoolsthatdonotgeneratesParkstosweepUpCarelylytoidDust, atransporttothewastedIsposalsite.WashtheleakedContaminereAreaWithwater a puptureditedwashingwaterintothewastewaterssystem.IftereisalargeAmountOfLeakage, sběratel arecycleordsistoseofitafterharmlessStreatment.

Strrotectivemeasures

Respirační projev: Workers MustwearGassmasks.Opotřebovanou obsahovanou aparatusWhennshenssional.

Ochrana očí: Noste chemické bezpečnostní brýle.

Strrotectiveclothing:Wearanti-staticoveralls.

Handproection: wearchemical-proofgloves.

Jiné: Kouření, stravování a stravování a.Poté, TakEashowerandchangeclothes.Strayattentiontopersonalhygiene.

Opatření první pomoci

Kontakt kůže: Důkladně opláchněte mýdlem a vodou.SeekMedicicaltention.EyeContact: OpenEyelidSandrinsewithRunningwaterFor15minutes.SeekMedicicaltention.

Inhalation: LeavetEscenSenetoaPlacewithfreshair.SeekMedicicaltention.

Požití: IFyoutakeitbyMistake, DrinkSome WorewarmwatertoInduceVomiting.SeekMedicicaltention.