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中间包镁质干式振动料

性能

指标
MgO,%
≥86.5
体积密度
g/cm3
110℃×24h
≥2.39
1600℃×3h
≥2.35
抗折强度,1600℃×3h Mpa
≥4
线变化率,1600℃×3h
-1.01

镁钙质干式振动料

性能

指标
MgO,%
≥76
CaO,%
≥15.5
体积密度
g/cm3
110℃×24h
≥2.2
1600℃×3h
≥2.2
抗折强度,1600℃×3h Mpa
≥4.4
线变化率,1600℃×3h
-1.2

刚玉制品
Corundum proucts
  本产品采用电熔刚玉砂、纯氧化铝细粉为主要原料,经机械成型,高温烧成等工序制成。制品具有耐高温、耐腐蚀、热震稳定性好等特点,适用于石化工业、大中型合成氨气化炉与造气炉及轧钢加热炉底、出钢槽、各种高温电炉、钼钨丝高温炉、陶瓷煅烧炉、氧化铝瓷烧结炉等,也可作高温中的辅助材料,如匣钵、窑车砖等。
  With fused white corundum aggregate and a-alumina fine as main raw materials, through mechanical mold and high temperature sintered , these products have high refractoriness . Good corrosion resistance ,antioxidation and thermal shock resistance. They are suitable for petro-chemical industry (like large and medium sized synthetic ammonia vaporization furnace and gasometry ) and metallurgical industry (for example , the bottom of roll steel heating furnace , steel spout , various kinds of high temperature furnace and ceramic sintered furnace) . Also can be used as auxiliary material in high temperature industry like kiln furniture like pusher.

性能 properties
牌号 Brands

GY-85

GY-95

化学成份 Chemiacl composition

Al2O3%

≥85

≥95

Fe2O3%

≤0.5

≤0.3

显气孔率 Apparent porosity,%

≤21

≤20

体积密度 BD,g/cm3

3.0

3.2

耐火度℃ Refractoriness, ℃

1790

1790

耐压强度 CCS,Mpa

≥80

80-90

荷重软化开始温度 RUL,℃

≥1530

≥1550

重烧线变化 % Variation of reburning line (1550℃× 3h)

0.3

0.2

喷补(涂)料、涂抹料

                                         产品名称
   理化指标

镁质喷补涂料 高铝质喷补涂料
MgO,% ≥90
Al2O3,% 2.5 ≥65
Fe2O3,% ≤2.0
体积密度BD(1200℃烧后),g/cm3 ≥2 2
耐火度,℃ 1780 1600
抗折强度Mpa 110℃烘干(热态) ≥4
≥4
1200℃烧后 0.5
1400℃烧后 ≥0.3
加热线变化,% 1200℃×3h ±1.0
1400℃×3h 1.0
最高使用温度,℃ 1450 1400

    以上两种喷补涂料适用于各种窑炉燃烧室、蓄热室、各种热风管道内壁、冶金行业高炉和热风炉,作为补修和保护层之用。

                                        产品名称
   理化指标
镁质涂料 铬镁质涂料 刚玉质涂料
MgO,% ≥90 ≥65
Al2O3,% ≥92
Cr2O3,% 5-8
体积密度 BD,g/cm3 1.8-2.5 ≥2.4 ≥2.9
耐压强度Mpa 110℃烘干×24h ≥8
≥10 40
1500℃烧后×3h >10 >15 ≥60

    涂料在高温工业窑炉中应用很广,用于作保护层,如镁质、铬镁质涂料适用于连铸中间仓;刚玉质涂料适用于石油化工催化、裂化装置,施工简便、灵活,可以捣打,也可涂抹。

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