• High Alumina Brick for Hot Air Stove System 1
  • High Alumina Brick for Hot Air Stove System 2
  • High Alumina Brick for Hot Air Stove System 3
High Alumina Brick for Hot Air Stove

High Alumina Brick for Hot Air Stove

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       热风炉用高铝砖

项目
item

RL—65

RL—55

RL—48

Al2O3, %              不小于
min

65

55

48

Fe2O3,%               不大于
max

-

-

-

耐火度℃              不低于
Refractoriness        min

1780

1760

1740

荷重软化开始温度,℃  不低于
RUL                   min

1500

1470

1420

重烧线变化,%         1500℃x2h
P.L.C.                1450℃x2h

0—-0.4

0—-0.4

0—-0.4

显气孔率,%           不大于
A.P.                  max

 
22(24)

常温耐压强度,Mpa     不小于
CCS                   min

50

45

40

抗震稳定性,1100℃水冷,次
Thermal Shock Resistance(cycle)

                   
6

注:括号内的数值是蓄热室格子砖的指标 Note:The value in parentheses is there result of Checkers.

Product features: with high alumina brick of hot air stove USES Yang high quality bauxite clinker as main raw material, after high pressure forming, high temperature sintering, the main mineral composition of mullite, the product has excellent volume stability, low creep rate and good thermal shock resistance, are widely used in various parts of the hot blast stove.


Q: How much is the bending temperature aluminum silicon carbide brick for torpedo car
High alumina brick is made of superfine alumina, fused corundum and fused mullite as main refractory materials.
Q: What is fireproof concrete?
A series of concrete with fire resistance and heat resistance is made of Portland cement series as cementing material and heat-resistant material as aggregate. Silicate fireproof heat-resistant concrete with Portland slag cement, Portland cement and water glass as cementing material, broken clay brick, clay, cement clinker, broken high alumina brick as aggregate.
Q: What are the high aluminum bricks made of?
The amount of refractory mud accounts for about 6% of the brick weight
Q: What are the main components of high alumina bricks?
Sweat is like water mineral alumina bauxite, aluminum ore, magnesite, waves of gibbsite. Anhydrous alumina raw material, such as corundum, alumina, fused corundum. High alumina brick Zhengzhou gold company specializing in the production of various specifications, you can directly ask their technical staff.
Q: What are the requirements for Rubble backfill height?
1, filling thickness is not greater than 50cm.2, filling, the use of layered filling.
Q: Application characteristics of high alumina brick
Reheating line change. If the firing temperature of high alumina brick products is enough and the firing time is enough, the volume is stable, the change of the reheating line is small; on the contrary, the residual shrinkage of clay brick products is caused by recrystallization.
Q: What are the requirements for refractory materials in heat treatment furnace?
The structural strength of high temperature is evaluated by loading softening point. Load softening point is that under certain pressure (2 kg/ cm 2 = 0.2MPa) under the condition of heating rate to heating, measured the sample deformation (deformation for the original sample 0.6%) temperature. This temperature is called the softening point of the refractory. Sample size is Phi 36 x 50mm.
Q: How to distinguish the good or bad of the high aluminum brick?
In the procurement of high alumina brick, the first color, high quality aluminum brick, brick surface smooth, yellow color pale, four sides equal, no broken angle, no cracks.
Q: What's the weight of the refractory bricks?
Referred to as refractory brick. Refractory made from refractory clay or other refractory material. Light yellow or brownish. The utility model is mainly used for laying smelting furnaces, and can withstand high temperature between 1580 DEG C and 1770 DEG C. Also called brick. Refractory material of a certain shape and size. According to the preparation process can be divided into bricks, brick, electric melting brick, refractory insulating bricks (Rong Zhuzhuan);
Q: How are the grades of high alumina bricks differentiated?
High alumina brick: aluminium silicate refractory product with a content of three Al2O3 (two) and more than 48%

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