Vim muaj kev siv sib txawv, kev lag luam silicon yog cais rau ntau yam tshwj xeeb. Raws li cov hlau, txhuas, thiab calcium cov ntsiab lus ntawm metalloid silicon tuaj yeem faib ua ntau qib, xws li 3303, 2502, 1101, 1101, 1101, thiab lwm yam. Cov khoom lag luam ntxiv ntawm qhov tsis yog xim hlau yog micricon, ntug silicon, cov tawv ntaj dub, thiab lwm yam.
The raw materials for industrial silicon smelting are mainly silica dioxide and carbon reducing agents. Since the content of aluminum, calcium and iron in industrial silicon is strictly limited, the requirements for raw materials are also particularly strict. In silica, SiO2>99. {{0%, al2o3<0.3%, Fe2O3<0.15%, CaO<0.2%, MgO<0.15%; the particle size is 15-80mm.
Cov hauv paus ntsiab lus rau kev xaiv cov pa roj carbon-uas muaj cov neeg sawv cev txo qis yog: cov ntsiab lus zoo li hmoov av, cov hmoov tshauv qis thiab cov tshuaj zoo. Low-tshauv roj av coke lossis suab coke feem ntau yog siv los ua tus neeg sawv cev txo. Txawm li cas los xij, vim muaj kev cuam tshuam tsis muaj zog ntawm ob hom coke, ib feem ntawm cov roj av (lossis cov ntoo tshauv) nrog cov ntoo tshauv tsis muaj zog, ua kom muaj zog. Rau batch sintering, me ntsis qis-tshauv bituminous thee yuav tsum tau ntxiv. Nws yuav tsum tau sau tseg tias ntau dhau los lossis ua tiav kev tsim hluav taws xob yuav tsis tsuas yog ua kom muaj kev cuam tshuam nrog kev kub ntxhov, tab sis yuav ua rau muaj kev kub ntxhov, tab sis yuav ua rau muaj kev kub ntxhov ntawm cov khoom ua haujlwm, uas yuav ua rau nws nyuaj rau tsim lub moj tej tawg sov. Nyob rau hauv qhov kev tiv thaiv kub siab, ib txheej sic tau yooj yim tsim nyob rau ntawm qhov cub tawg, ua rau nws nyuaj los tso cov hlau.
Qhia Taw Qhia Txog Kev Lag Luam Silicon
Jan 20, 2025Tso lus