High Quality Calcium Silicon Cored Hlau

Calcium silicon cored hlau yog ib qho tawm - ntawm - cov khoom siv hluav taws xob refining siv dav hauv steelmaking thiab casting teb. Lub plhaub feem ntau yog ua los ntawm cov ntaub ntawv hlau, xws li nyias steel strips, thiab lwm yam. Nws muaj nuj nqi yog qhwv cov tub ntxhais txheej thiab tiv thaiv cov tub ntxhais hmoov los ntawm ib puag ncig sab nraud. Nyob rau tib lub sij hawm, nws muaj peev xwm smoothly pub cov core hmoov rau hauv cov hlau molten thaum lub sij hawm noj cov hlau. Cov txheej txheem tseem ceeb: Cov khoom tseem ceeb yog calcium silicon alloy hmoov. Cov ntsiab lus ntawm silicon hauvcalcium silicon alloyfeem ntau yog nyob nruab nrab ntawm 55% -65%, cov ntsiab lus calcium nyob nruab nrab ntawm 24% -31%, thiab nws kuj muaj me me ntawm impurity ntsiab. Silicon thiab calcium muaj kev sib raug zoo nrog cov ntsiab lus xws li oxygen thiab sulfur, ua rau lawv ua lub luag haujlwm tseem ceeb hauv deoxidation thiab desulfurization thaum lub sij hawm steelmaking.

Steelmaking teb

Deoxidizer:Thaum lub sij hawm steelmaking txheej txheem, cov hlau molten muaj ib tug npaum li cas ntawm oxygen, thiab cov silicon thiab calcium nyob rau hauv lub casi cored hlau muaj ib tug muaj zog affinity nrog oxygen. Cov hlau cored yog pub rau hauv cov hlau sib sib zog nqus los ntawm cov khoom siv hlau, thiab casi alloy melts nyob rau hauv cov hlau molten kom tso silicon thiab calcium, uas tuaj yeem hnov ​​​​mob sai sai nrog cov pa dawb hauv cov hlau molten los tsim cov oxides ruaj khov, xws li calcium oxide thiab silicon dioxide. Cov oxides no yuav nkag mus rau hauv slag los yog ntab thiab tshem tawm, yog li txo cov pa oxygen hauv cov hlau molten, txhim kho cov purity ntawm cov hlau, txo qhov tsis xws luag xws li pores thiab inclusions nyob rau hauv cov hlau, thiab txhim kho qhov zoo thiab kev ua tau zoo ntawm cov hlau.

Desulfurizer:Sulfur yog ib qho teeb meem impurity nyob rau hauv steel, uas yuav txo tau lub toughness, ductility thiab corrosion kuj ntawm cov hlau. Cov calcium uas nyob rau hauv silicon -calcium cored hlau muaj ib tug muaj zog tshuaj affinity rau leej faj. Nws tuaj yeem cuam tshuam nrog sulfur hauv molten steel los tsim sulfides xws li calcium sulfide, uas nkag mus rau hauv slag thiab raug tshem tawm, yog li txo cov sulfur cov ntsiab lus hauv cov hlau.

Alloy additives:

Silicon thiab calcium cov ntsiab lus tuaj yeem raug ntxiv rau cov hlau molten los kho cov tshuaj muaj pes tsawg leeg ntawm cov hlau kom ua tau raws li cov kev cai tshwj xeeb ntawm cov qib steel sib txawv rau cov ntsiab lus silicon thiab calcium, yog li txhim kho cov khoom siv thiab ua cov khoom ntawm cov hlau. Silicon tuaj yeem txhim kho lub zog thiab tawv tawv ntawm cov hlau, thiab calcium tuaj yeem pab kho cov nplej, txhim kho cov tawv tawv thiab vuam cov khoom ntawm cov hlau, thiab lwm yam.

Casting teb

Inoculant:Nyob rau hauv cam khwb cia hlau ntau lawm, Nws yog siv raws li ib tug inoculant, uas muaj peev xwm hloov qhov kev loj hlob morphology thiab tis ntawm graphite nyob rau hauv cam khwb cia hlau, txhawb cov nag lossis daus ntawm graphite nyob rau hauv ib tug nplua, uniform thiab dispersed lub xeev, thiab refine lub grain qauv ntawm cam khwb cia hlau.

Spheroidizer:Rau qee qhov xwm txheej uas yuav tsum tau ua cov hlau nplaum, Nws tuaj yeem siv los ua ib qho tseem ceeb ntawm cov spheroidizer lossis cov khoom siv spheroidizing. Nws ua haujlwm sib koom ua ke nrog lwm cov khoom siv spheroidizer kom crystallize graphite hauv cam khwb cia hlau mus rau hauv spheres, txhim kho cov khoom ntawm cov hlau cam khwb cia, xws li lub zog, toughness, ductility, thiab lwm yam.

Ferroalloy ntau lawm teb

Kho qhov muaj pes tsawg leeg:Thaum tsim lwm cov khoom ferroalloy, Nws tuaj yeem siv los ua cov khoom siv ntxiv los kho cov silicon thiab calcium cov ntsiab lus hauv ferroalloy kom ua tiav cov qauv khoom muaj pes tsawg leeg thiab ua tau raws li kev ua tau zoo sib txawv ntawm cov kev lag luam hauv qab rau cov khoom ferroalloy.

Txhim kho kev ua haujlwm:Nws pab txhim kho qee yam khoom ntawm cov khoom tsim ferroalloys, xws li kev txhim kho lawv cov oxidation tsis kam thiab thermal poob siab, kom cov khoom ferroalloy tuaj yeem ua lub luag haujlwm zoo dua hauv cov ntawv thov tom ntej (xws li cov ntaub ntawv refractory, metallurgical additives, thiab lwm yam), nthuav lawv cov peev txheej ntawm daim ntawv thov thiab daim ntawv thov nqi.

Nonferrous hlau smelting teb

Deoxidation thiab refining: Nyob rau hauv cov txheej txheem smelting ntawm ib co nonferrous hlau (xws li txhuas, magnesium, thiab lwm yam), txawm hais tias casi cored hlau tsis yog lub ntsiab deoxidation thiab refining cov ntaub ntawv, nws kuj muaj peev xwm ua si lub luag hauj lwm nyob rau hauv pab deoxidation, impurity tshem tawm thiab refining nyob rau hauv cov txheej txheem tshwj xeeb, uas yuav pab txhim kho cov purity thiab zoo ntawm cov hlau tsis muaj zog, thiab kev ua tau zoo ntawm cov hlau tsis muaj zog. siab- kawg daim ntawv thov scenarios (xws li qhov kev thov rau siab- cov ntaub ntawv tsis muaj hlau tsis zoo hauv kev lag luam aerospace, electronics kev lag luam, thiab lwm yam).

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