Dab tsi yog qhov txawv ntawm steel slag thiab blast furnace slag?
Qhov chaw sib txawv
1. Steel slag: Steel slag yog cov khib nyiab tsim hauv kev lag luam metallurgical. Ua los ntawm ntau yam oxides tsim los ntawm oxidation ntawm impurities xws li silicon, manganese, phosphorus, thiab sulfur nyob rau hauv npua hlau thaum lub sij hawm smelting txheej txheem, nrog rau cov ntsev tsim los ntawm cov tshuaj tiv thaiv ntawm cov oxides nrog cov kuab tshuaj.
2. Blast furnace slag: ib tug byproduct nyob rau hauv lub ironmaking txheej txheem ntawm ib tug moj tej tawg rauv. Hauv cov txheej txheem ntawm kev tsim cov hlau, hlau oxide raug txo kom muaj hlau hlau. Cov impurities xws li silica thiab alumina nyob rau hauv cov hlau ore hnov mob nrog txiv qaub los ua cov ntaub ntawv molten feem ntau yog tsim los ntawm silicates thiab silicoaluminates. Tom qab quenching thiab txias, lawv dhau los ua xoob thiab ntxeem tau cov ntaub ntawv, uas yog hu ua blast furnace slag.
Cov khoom xyaw sib txawv
1. Steel slag: Steel slag muaj ntau yam tseem ceeb: 2% mus rau 8% hlau hlau, 40% mus rau 60% calcium oxide, 3% mus rau 10% magnesium oxide, thiab 1% mus rau 8% manganese oxide. Yog li ntawd, nws tuaj yeem siv los ua cov khoom siv raw rau steel metallurgy.
2. Blast furnace slag: Cov tshuaj muaj pes tsawg leeg ntawm slag muaj xws li oxides xws li CaO, SiO ₂, Al ₂ O ₂, MgO, MnO, Fe ₂ O ₂, thiab me me ntawm sulfides xws li CaS thiab MnS. Feem ntau hais lus, cov ntsiab lus ntawm CaO, SiO ₂, thiab Al ₂ O ₂ suav txog ntau dua 90%.
Kev siv sib txawv:
1. Steel slag: Muaj ob txoj hauv kev tseem ceeb rau kev siv steel slag ua cov khoom siv thib ob. Ib qho yog los siv nws ua cov kuab tshuaj smelting hauv peb lub hoobkas. Nws tuaj yeem tsis tsuas yog hloov cov limestone, tab sis kuj tseem rov qab tau ntau cov hlau hlau thiab lwm yam tseem ceeb ntawm nws; Lwm qhov yog siv los ua cov khoom siv raw rau kev tsim cov khoom siv, cov khoom siv hauv tsev, lossis cov chiv ua liaj ua teb.
2. Blast furnace slag: Hauv kev tsim khoom, slag plays lub luag haujlwm tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv qee lub chaw tsim khoom loj. Slag yog refined thiab ua tiav rau hauv slag cement, slag micro hmoov, slag hmoov, slag silicate cement, slag paj rwb, blast furnace slag, granulated blast furnace slag hmoov, tooj liab slag, thiab slag ntsug zeb.
