Los ntawm steel ladle mus rau tundish, muaj refractories rau molten steel ntws tswj, Cov refractories muaj xws li zoo thaiv, sab sauv nozzle / ladle nozzle, sab sauv rooj vag phaj, sab swb rooj vag phaj, qis nozzle / collector nozzle, thiab tej zaum kuj muaj ladle shroud. / long nozzle.
Zoo thaiv rau lub rooj vag swb teeb yog ntsia rau hauv qab ntawm steel ladle. Upper nozzle uas tseem hu ua ladle nozzle yog muab tso rau hauv lub qhov dej thaiv. Thaum molten steel ntws los ntawm lub nozzle ntawm qhov kub thiab txias, tshuaj corrosion thiab scouring ntawm molten steel & slag, raws li zoo raws li cov neeg kho tshuab kev puas tsuaj thaum lub sij hawm installation, yuav tsum tau lub nozzle muaj ib tug ntev kev pab cuam lub neej thiab yuav resistant rau yaig thiab scouring ntawm molten steel thiab slag. . Lub neej kev pab cuam ntawm lub nozzle muaj feem xyuam rau yam xws li qib steel, ntau tshaj steel nqi thiab lub sij hawm casting.
Covcollector nozzleyog siv los tswj Flow thiabtus nqi ntws ntawm molten steel. Nws yuav tsum tau muaj kev yaig zoo ntawm qhov kub thiab txias, zoo thermal ntim stability thiab ib qho degree ntawm tus kheej-fluxing. Kev puas tsuaj yam ntawm covcollector nozzle suav nrog:corrosion thiaberosion ntawm molten steel thiab slag; Kev tawg lossis tawg los ntawm kev hloov pauv tam sim ntawd; melting poob tshwm sim los ntawm hlawv oxygen. Nws cov khoom yuav tsum tau zoo corrosion kuj. Piv txwv li, siab aluminium thiab fused silica tuaj yeem siv los ua cov pa roj carbon zoo tib yam; thaum casting steel nrog siabManganese, aluminium carbon, magnesium thiab lwm yamkhoom tuaj yeem siv los txhim kho kev ua haujlwm ntawm lubnozzle. Txhawm rau txhim kho thermal shock resistance,qis nozzles yog themnyob rau hauv lub tes tsho hlau kom tsis txhob tawg. Oxygen hlawv yuav tsum zam kom ntau li ntau tau. Covcollector nozzle yog ua los ntawm high-aluminium, aluminiuma- carbon thiab aluminaa -zirconia -carbon, thiab nws cov kev pab cuam lub neej yogib zaug thiab 2-3 zaug raws li.
