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1、“OMEGA”GROWERCatalog1.Generalviewofassembledgrower“Omega”.2.Technicalpurposeofthegrower“Omega”.Thegrowerisintendedforgrowingsapphiresinglecrystalswithdiameterupto200mmandlengthupto200mmandweightupto20kgbytheKyropoulosmethod.Themethodconsistsinheatingtheinitialrawmaterial(aluminumoxide)inatungstencr
2、ucibleuptoitsmeltingpoint2050oCoraboveandgradualdecreasingthemelttemperaturetocrystallizeitonaspecialseed.Thegrowthisconductedinanair-lockedcrystallizerhavingspecialthermoisolatingshields,coversandheaterwithchargedcrucibleinside.3.Technicalspecificationsofthegrower“Omega”.ParameterValueModeofoperat
3、ioncontinuousfor200hoursMelttemperature,oC2050Heaterpower,kW80Currenta.c.3-phasewithzerowire,380V,50HzMediumofoperationvacuumupto8x10-4Pa,aftergrowth-argonMethodofheatingresistiveDurationofacycle,hrs200Coolingwatertemperature,oCflowrate28±53m3xhrTheloaddistributionbetweenthephasesistobeasfollows:Ph
4、aseA–250A,phaseB–250A,phaseC–20A.Tostarttheoperationitisnecessarytosupplythegrowerwith:-recirculatedwaterofIcategoryunderthepressureof0,4±0,05MPa.-puregaseousargonunderthepressureof0,06MPa(0,6kgf/cm2).Forarrangementofthegrowerattheplantthefollowingisrequired:-minimalworkingarea(room)-8m2;-self-flow
5、ingwaterdisposalsystemlocatedonthefloorlevel;-groundmat.4.Basicelementsandcomponentpartsofthegrowerandtheirbrieftechnicaldescription.Thegrower“Omega”consistsofthecomponentslistedinthetablebelow:NameofpartQuantity,pcs.Overalldimensions,mmL:W:HWeight,kgCrystallizer(withvacuumsystemandcontrolblock)120
6、00x1000x24001010Powercabinet(transformer)11200x1000x1800810Mechanicalvacuumpump127Mountingkit160Consumablematerialsandproducts:-Crucible-Molybdenumshields-Molybdenumparts-Heater-Seeds-Rawmaterial(charge)-Filling(CZconcrete)11set1set1101set55130200Total:Thecrystallizerofthegrowerincludesatablewithan
7、operatingfurnace,exhaustunit,mechanismsfortherodmotionandrotation,mechanismformanualrodpositioningandliftingtheuppercoverofchamber,controldesk,pressureanddraincollectors,coolingsystem,systemforlettingargoni
