Magnesite chrome block siv zoo magnesia thiab chromic oxide raws li cov khoom siv raw, molded los ntawm kev kub siab thiab raug rho tawm haujlwm hauv qhov kub. magnesia chrome bricks muaj cov yam ntxwv ntawm cov siv lead ua loj thiab siab ncaj qha kev sib raug zoo. thiab magnesite chrome hluav taws cib muaj qhov ua kom tawg tau zoo thiab zoo acid slag yaig tsis kam nrog cov khoom qis alkaline. magnesite chrome block yog cov khoom siv zoo tshaj plaws hauv ob sab hauv cib rau kev nplua nuj tawm ntawm lub cub tawg, hluav taws xob rauv, iav rauv, melting rauv thiab teb cement kiln.
Vim qhov zoo ntawm magnesia chrome cib, magnesia chrome cib muab faib ua magnesia chrome cib, ncaj qha sib txuas magnesia chrome cib, semi bonded magnesia chrome cib, rebonded magnesia chrome cib thiab lwm yam.
Magnesia chrome cib yog ua los ntawm cov khoom sib txuas sib txuas ua ke, thiab tshem tawm cov nyhuv xoob los ntawm kev nthuav dav thaum tsim cov spinel los ntawm cov tshuaj tiv thaiv ntawm MgO thiab Cr2O3, Al2O3 lossis FeO. Tsis tas li ntawd, kuj tseem tsis tau hlawv magnesite chrome hluav taws cib xws li unburned magnesite chrome block yog ua los ntawm inorganic magnesia saline tov. thiab unburned magnesia chrome cib yog qhov yooj yim thiab tus nqi qis. hom magnesia chrome cib no muaj qhov zoo thermal stability, tab sis nws qhov kub thiab txias lub zog yog qis dua li kub kub magnesia chrome cib.
Common magnesite chrome cib
Cov khoom | Cov cim ntawm lub cev thiab tshuaj lom neeg | |||||
MGe-16A | MGe-16B | MGe-12A | MGe-12B | MGe-8A | MGe-8B | |
MgO% ≥ | 60 | 45 | 60 | 55 | 65 | 60 |
Cr2O3 % ≥ | 16 | 16 | 12 | 12 | 8 | 8 |
Pom tseeb Porosity % ≤ | 19 | 22 | 19 | 21 | 19 | 21 |
Txias Crushing zog MPa≥ | 35 | 25 | 35 | 30 | 35 | 30 |
Refractoriness Nyob rau hauv Load ° C≥ | 1650 | 1550 | 1650 | 1550 | 1650 | 1530 |
Direct-Bonded magnesite chrome cib
Cov khoom | Cov cim ntawm lub cev thiab tshuaj lom neeg | ||||||
ZMGe-16A | ZMGe-16B | ZMGe-12A | ZMGe-12B | ZMGe-8A | ZMGe-8B | ZMGe-6 | |
MgO% ≥ | 60 | 58 | 68 | 65 | 75 | 70 | 75 |
Cr2O3 % ≥ | 16 | 16 | 12 | 12 | 8 | 8 | 6 |
SiO2% | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 2.5 |
Pom tseeb Porosity % ≤ | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
Txias Crushing zog MPa ≥ | 40 | 40 | 45 | 45 | 45 | 45 | 45 |
Refractoriness Nyob rau hauv Load ° C ≥ | 1700 | 1650 | 1700 | 1650 | 1700 | 1650 | 1700 |
Magnesia chrome cib feem ntau yog siv rau hauv kev lag luam metallurgical, xws li lub tsev qhib lub qhov cub hluav taws xob, lub qhov cub hluav taws xob sab saum toj ntawm lub qhov cub hluav taws xob, tawm ntawm finery thiab txhua yam uas tsis yog ferrous smelting rauv. magnesite chrome thaiv kuj tseem siv rau hauv txoj hauj lwm ntawm qhov chaw kub hnyiab ntawm cov cement rotary thiab regenerative chamber ntawm iav kiln.
RS refractory Hoobkas yog tus kws tshaj lij magnesia chrome bricks tsum uas tau tsim nyob rau hauv thaum ntxov 90s ntawm nees nkaum caug xyoo. RS refractory Hoobkas tau tshwj xeeb hauv magnesite chrome hluav taws cib rau ntau tshaj 20 xyoo. Yog tias koj muaj qee qhov kev thov ntawm magnesite chrome block, lossis muaj qee cov lus nug ntawm magnesia chrome cib txog lub cev thiab tshuaj ntsuas ntsuas, thov hu rau peb dawb. Rs refractory Hoobkas raws li tus kws tshaj lij magnesite chrome hluav taws cib chaw tsim khoom hauv Suav teb, muaj qee qhov kev sib tw zoo li hauv qab no: