AZS Brick/Alumina, Silica and Zircon Brick

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
17 m.t
Supply Capability:
10000 m.t/month

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Product Description:

FUSED CAST BRICK

 

CMAX Bricks made from high quality quartz tail sand, lime and mineralizing agent through the process of crashing, screening, mixing, pressing, drying and sintering.

 

Application


CMAX Silica bricks are commonly applied in coke oven, hot blast stoves, glass furnace etc.

 

Advantage

 

Fused cast AZS (alumina, zirconia and silica) firebricks are mainly categorized into 33#, 36# and 41# according to different zirconia's contents from 33% to 41%.
Fused cast alumina (α-β Al2O3 and β Al2O3) firebricks are composed of alpha alumina, beta alumina and small amount of glass phase.

Both AZS and alumina firebricks have shown excellent performance in glass furnace construction.

ITEM

AZS33

AZS36

AZS41

α-β Al2O3

β Al2O3

Al2O3 %

50

49

45

94

93

ZrO2 %

32.5

35.5

40.5

_

_

SiO2 %

15.5

13

13

1.8

0.5

Na2O + K2O %

1.3

1.35

1.3

3.7

6

Bulk Density, (g/cm3)

3.75

3.85

4

3.4

3.05

 Apparent Porosity, %

1.2

1

1.2

2

10

 C.C.S., Mpa

300

300

300

200

30

Exudating Temperature of Glass Phase,

1400

1400

1410

_

_

Bubbling Tendency(1300×10h) (%)

2

2

2

0              1000×10h

_

Anti-Corrosion Rate of Glass Liquid, 1500×36h (mm/24h)

1.5

1.4

1.2

<0.3     1350℃×10h

_

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Q:Should kiln be warmed before the ignition of the new furnace?
If you don't have to heat up the furnace. The new furnace must be heated up, and the temperature should be increased according to the heating-up furnace curve, so the current situation you meet is appeared
Q:does the electric kiln burner need to be sealed?
seal when open the kiln, and observe the temperature, when the temperature reaches a point, you can move the firebrick away, and continue observing the temperature to decide whether to seal it or not, but do not seal it completely, repeat the procudure until reach the sinter point or skill requirement.
Q:How many degrees of refractory brick if its surface turns red, how to test the temperature of refractory brick after it is burnt to red.
If the raw materials are different, then the redness is different under different temperatures.
Q:When using high alumina refractory brick, what are the reasons leading to the decline of the performance of high alumina brick?
The excess air coefficient is controlled in 1, in order to prevent producing water cracks in the production of high aluminum refractory brick from, control the water absorption of 2 grade clinker of bauxite with high alumina below 4%-5%. 1-1,the water absorption of the tube mill should also be controlled below 6%, and adjust thermotechnical, making the high alumina refractory brick burning be in the stable weak oxidizing atmosphere. should be 2
Q:Where are clay bricks or cement bricks?
Cement brick is the use of fly ash, cinder, coal gangue, slag, chemical residue or natural sand, sea mud etc. (more than one or several kinds of raw materials) as the main raw material, made of cement coagulant, a kind of new wall materials by high temperature calcination made called cement brick.
Q:Which is more useful, aerated concrete block or clay brick?
How to evaluate the porous brick right (aerated concrete block), the practicability of the clay brick, brick which is first aerated concrete block, aerated concrete block and clay brick is the coexistence of wall materials, only the current use rate than the aerated concrete block of clay solid brick.
Q:Is fireclay brick acidproof? Does clay brick anti corrosion when it's used to build chimney lining?
Refractory bricks anti acid and alkali after high-temperature calcination, and anti-corrosion won't be a problem
Q:What is the difference between fused brick and clay brick?
Artificial small bulk for building. Also called sintered brick. Clay to clay (including shale, coal gangue powder) as the main raw material, through mud processing, molding, drying and roasting and. Chinese in the spring and Autumn period has created a square and brick, Qin and Han Dynasties brick technology and production scale, quality and variety have significant development, known as "Qin Zhuanhan tile". Ordinary brick size of 240 mm * 115 mm * 53 mm, according to compressive strength (Newton / square millimeter, N / mm2) size is divided into MU30, MU25, MU20, MU15, MU10, MU7.5, these intensity levels.
Q:does all the refractory refer to refractory bricks when making steel?
chamotte, castable refractory, etc are shapeless refractory, above are all ferrous metallurgy auxiliary
Q:The stove which made of refractory bricks and fireclays will produce cracks after being used. How to solve this problem?
The use of low expansion materials will be better. But as for the stove, the appearance of crack is attributed to the selected materials or the environment. And when the temperature is not high, there still seems to be crack, so through expansion joint reservation, not allowing itself to crack

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