铬质砖

点击图片查看原图

公司基本资料信息

产品详细说明

项目	高氧化铬砖	中等氧化铬砖	铬刚玉砖	铬刚玉砖	铬刚玉砖
Item	High Cr2O3	Middle chrome	Chrome-Corundum	Chrome-Corundum	Chrome-Corundum
	brick	brick	brick	brick	brick
Cr2O3 %	≥93	≥86	≥60	≥30	≥12
Al2O3 %	—	—	≤38	≤68	≤80
Fe2O3 %	—	—	≤0.2	≤0.2	≤0.5
显气孔率 %	≤17	≤17	≤14	≤16	≤18
Apparent porosity
体积密度 g/cm3	≥4.3	≥4.2	≥3.63	≥3.53	≥3.3
Bulk density
常温耐压强度 MPa	≥100	≥100	≥130	≥130	≥120
CCS
荷重软化开始温度 ℃	≥1680	≥1670	≥1700	≥1700	≥1700
(0.2MPa,0.6%)
Refractoriness under load
重烧线变化率 %	±0.2	±0.2	±0.2	±0.2	±0.2
(1600℃×3h)
Reheating linear change rate
应用	高铬砖主要用于煤化工、化工工业窑炉、无碱玻璃纤维、垃圾焚烧炉等窑炉的关键部位；
	铬刚玉砖主要用于炭黑炉、铜冶炼炉的内衬，玻璃窑炉的熔池，轧钢加热炉滑道、出钢平台。
Application	High-chrome bricks are mainly used in the key parts of the furnaces for coal chemical
	industry,chemical industrial,alkali-free glass fiber and garbage incinerator, etc
	Chromium-corundum bricks are mainly used for the linings of carbon soot furnace and
	copper smelting furnace, the skid rail molten pool of glass furnaces,and tapping
	platform of rolling mill furnace.