Silicon-Calcium Alloy (Silicon-Calcium) yog ib qho ferrous alloy uas muaj silicon (Si) thiab calcium (Ca) ua cov khoom tseem ceeb, feem ntau yog siv hauv cov hlau thiab cov khoom lag luam. Nws yog ib qho tseem ceeb deoxidizer thiab desulfurizer, thiab plays lub luag haujlwm tseem ceeb hauv kev tsim cov hlau ua haujlwm siab thiab castings.
silicon calcium yooj yim zog
- Tshuaj muaj pes tsawg leeg:
- Silicon (Si) cov ntsiab lus: 55% ~ 65
- Calcium (Ca) cov ntsiab lus: 23% ~ 30
- Lwm cov ntsiab lus: suav nrog me me ntawm hlau (Fe) thiab impurities xws li txhuas, carbon thiab lwm yam.
- Cov tsos mob: silver-grey los yog tawm-dawb pob lossis granules, qhov saum npoo yuav muaj xim hlau.
- Melting point: qis, li ntawm 1250 degree ~ 1350 degree, conducive rau dissolution nyob rau hauv steel.
silicon calcium ntau lawm txheej txheem
Calcium silicate feem ntau yog npaj los ntawm kev txo qis carbothermal, cov ntaub ntawv tseem ceeb yog silica, txiv qaub thiab coke:
1. Raw khoom npaj: sib tov silica thiab txiv qaub nyob rau hauv feem.
2. Kev txo qis kub: Silica-calcium alloy yog tsim los ntawm coke txo qhov kub ntawm qhov kub hauv qhov cub hluav taws xob.
3. Casting Block Cooling: cov kua alloy yog txias los tsim cov khoom thaiv.
silicon calcium loj siv
1. Hlau thiab hlau kev lag luam.
- Deoxidizer:
- Silicon thiab calcium ua haujlwm ua ke kom tshem tawm cov pa oxygen los ntawm cov kua hlau thiab tiv thaiv kev suav nrog hauv cov hlau.
- Nws yog tsim rau zus tau tej cov hlau zoo, high-strength steel thiab tshwj xeeb steel.
- Desulfurizer:
- Calcium muaj peev xwm hnov mob nrog sulfur los ua cov calcium sulfide tsawg-density (CaS), uas yooj yim tshem tawm los ntawm upward flotation.
- Nws txhim kho purity ntawm hlau thiab nws cov khoom siv kho tshuab.
2. Foundry kev lag luam
- Txhim kho cov khoom casting:
- Calcium silicate txhawb graphitization thiab txhim kho lub zog thiab lub zog ntawm cam khwb cia hlau.
- Txo porosity thiab tawg tsis xws luag hauv castings.
3. Nonferrous hlau smelting
- Siv los ua tus neeg saib xyuas kev txo qis lossis alloy additive, xws li hauv magnesium thiab aluminium ntau lawm los txhim kho cov khoom zoo.
4. Lwm yam kev siv
- Siv los ua catalyst carrier hauv kev lag luam chemical lossis hauv kev tsim cov khoom siv tshwj xeeb silicon.
Silicon calcium khoom yam ntxwv
- Kev ua haujlwm siab: cov ntsiab lus calcium yog cov nquag nquag thiab tuaj yeem hnov mob sai nrog oxygen, sulfur, thiab lwm yam.
- Kev ua haujlwm siab: nws muaj zog deoxidizing thiab desulfurizing muaj peev xwm, siv tsawg dua thiab cov txiaj ntsig zoo kawg li.
- Multifunctionality: tsis tsuas yog tuaj yeem txhim kho kev ua tau zoo ntawm cov hlau, tab sis kuj txhim kho qhov zoo ntawm castings.
tiv tauj peb
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