Cov hau kev uas yuav txo tau kub yaig ntawmmagnesium carbon brickstuaj yeem sau tau raws li hauv qab no:
1. Xaiv cov ntaub ntawv zoo nrog cov muaj pes tsawg leeg los txhim kho cov khoom siv erosion tsis kam, thermal shock resistance thiab structural spalling resistance.
Xaiv high-purity thiab zoo fused magnesia xuab zeb, vim hais tias nws muaj qhov zoo ntawm cov nplej loj, siab ntom ntom, tsis tshua muaj tshuaj lom neeg ua haujlwm, siab erosion kuj, thiab lwm yam, thiab tuaj yeem tiv taus qhov kev puas tsuaj rau tus kheej nrog cov pa roj carbon ntawm qhov kub thiab txias, yog li inhibiting qhov yaig ntawm MgO hais los ntawm slag. Thib ob, nce MgO cov ntsiab lus thiab txo cov impurities, tshwj xeeb tshaj yog txwv cov SiO2 cov ntsiab lus, thiab txo cov theem silicate hauv cov qauv ntawm cov hlau nplaum hlau, kom cov kev cuam tshuam sab xws li cov tshuaj tiv thaiv ntawm SiO2 nrog graphite ntawm qhov kub thiab txias tuaj yeem txo thiab carbon. oxidation yuav zam tau. Tsis tas li ntawd, kev nce qib ntawm crystallization ntawm MgO muaju tuaj yeem tiv thaiv kev tawg los ntawm kev hloov pauv ntawm MgO lis ciam rau hauv cov kua theem ntawm qhov kub thiab txias, thiab tiv thaiv kev nkag mus ntxiv ntawm slag rau hauv magnesium refractory carbon bricks. Ua kom purity ntawm graphite tuaj yeem ua rau kom cov slag tsis kam ntawm magnesium carbon cib, vim hais tias nrog kev nce ntawm graphite purity, thermal poob siab kuj ntawm magnesia carbon hluav taws cib yog txhim kho, thiab kub flexural zog kuj tseem txhim kho. Yog li, graphite nrog cov ntsiab lus carbon ntau dua 95% feem ntau yog siv. Raws li purity ntawm graphite nce, lwm yam impurities txo, thiab cov theem silicate muaj kuj tsawg. Nyob rau hauv alkaline slag, SiO2 yuav hnov mob nrog cov pa roj carbon monoxide nyob rau hauv magnesia carbon cib los ua ib txheej decarburization, thiab tseem tuaj yeem tsim cov theem qis qis nrog magnesium oxide, ferrous oxide, thiab lwm yam kom nrawm cov kev sib xyaw ntawm magnesium oxide. Thaum kawg, ntxiv qhov tsim nyog ntawm cov tshuaj tiv thaiv kab mob rau cov magnesia carbon cib thiab xaiv cov khoom siv thermosetting zoo tuaj yeem txhim kho qhov kub thiab txias ntawm magnesia carbon firebricks.
2. Txhim kho qhov muaj pes tsawg leeg ntawm smelting slag
Rau magnesium carbon bricks refractory cov ntaub ntawv, MgO cov ntsiab lus nyob rau hauv lub slag yuav tsum tau nce ntau npaum li sai tau ua kom lub MgO nyob rau hauv lub slag ncav cuag ib tug saturated lub xeev thiab txo lub dissolution ntawm MgO. Txij li thaum MgO yog ib qho alkaline oxide, ua kom cov slag alkalinity tuaj yeem txo cov tshuaj tiv thaiv ntawm cov slag thiab magnesium oxide thiab txo cov tshuaj yaig ntawm magnesia carbon cib. Txo cov ntsiab lus ntawm FeO lossis lwm yam khoom uas tuaj yeem ua rau cov tshuaj lom neeg hauv cov slag tuaj yeem txo cov oxidation ntawm MgO thiab graphite los ntawm cov slag;
3. Siv cov kev ntsuas sab nraud
Tsim cov txheej txheem tiv thaiv ntawm qhov chaw ntawm magnesia carbon cib los ntawm lwm txoj kev los tiv thaiv cov magnesia carbon cib los ntawm kev tiv thaiv cov slag, thiab tiv thaiv lub cev nkag mus thiab tshuaj yaig ntawm high-temperature molten steel / slag rau sab hauv ntawm cov khoom refractory, xws li txaws slag los tiv thaiv qhov cub. Magnesium carbon cib refractory cov ntaub ntawv tseem tuaj yeem tiv thaiv los ntawm lwm qhov chaw xws li hluav taws xob, teb sib nqus, thiab ultrasonic teb. Ntawm lawv, sab nraud hluav taws xob teb cathodic tiv thaiv txoj kev yog ib qho kev siv tshuab tshiab rau kev kawm txog kev tiv thaiv ntawm cov ntaub ntawv refractory rau high-temperature yaig ntawm molten steel / slag nyob rau hauv xyoo tas los no, uas tau nyiam cov neeg tshawb fawb thoob plaws ntiaj teb.
