Refractory Fire Clay Brick

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General Information

Fireclay bricks are made from clinker clay. The alumina content ranges from 36% to 48%.

Feature
Low thermal conductivity        
High refractoriness  
High mechanical strength      
Excellent thermal shock resistance

Application
Fireclay bricks are commonly applied in blast furnace, hot blast furnace, teeming ladle, glass furnace, etc.

Item

Index

SK-30

SK-32

SK-34

SK-35

AL2O3 %  

30

35

38

45

Fe2O3 %  

2.5

2.5

2

2

Refractoriness(SK)

30

32

34

35

Refractoriness Under Load, 0.2MPa, (°C )

1250

1300

1350

1400

Apparent Porosity (%)

22-26

22-26

20-24

20-22

Bulk Density (g/cm³)

1.9-2.0

1.95-2.1

2.1-2.2

2.15-2.22

Cold Crushing Strength (MPa)

20

25

25

30

Thermal Expansion at 1000°C (%)

0.8

0.6

0.6

0.5

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Q:when to replace the worn refractory bricks in rotary kiln?
Wear out at least 23.
Q:What types of refractory bricks are divided into?
The flue has fireproofing time requirements, very expensive, I just know this in my project, using a special refractory brick and fireproof plaster
Q:What is the coefficient of heat transfer for clay bricks?
The heat transfer coefficient of clay brick is about 0.8.
Q:Shale brick and clay brick? Answer before you know it
Has the advantages of high strength, thermal insulation, heat insulation, sound insulation and other characteristics, in order to shale as the main building materials brick construction, is the biggest advantage of shale brick and clay brick traditional construction method is exactly the same, without any additional special ` construction facilities, special tools, is the best substitute for traditional clay solid brick.
Q:What are the hazards of solid clay bricks?
The prohibition or restriction of high energy solid clay brick production, the development of low energy consumption, thermal insulation of new wall materials, insulation performance is good, not only can save energy in production, but also can make the function of the building can be effectively improved, reducing the energy consumption in buildings in use.
Q:How to choose refractory brick
According to the using environment of your product, process requirements, used place, refractory brick is very wide, there is low temperature, high temperature, there is heat insulation, there is wear resistant, corrosion resistance.
Q:refractory bricks of fireclay
According to the preparation process, it can be divided into bricks, high alumina brick, magnesia brickand so on, such as refractory clay brick, and ordinary brick; according to the shape and size, it can be divided into standard brick and silica brick, it can withstand all kinds of physical and chemical changes and mechanical action at high temperature; silica brick can be used as high-temperature building materials and structural material to build kiln and kinds of thermal equipments. Refractory material and fused brick with a certain shape and size are called refractory brick for short.
Q:What is the proportion of lightweight fireclay bricks?
It is a lightweight refractory product containing aluminium 30%-46%. It is made of clay clinker or light clinker as the main raw material. It is usually produced by combustible material. It can also form porous structure by chemical or foam method.
Q:What is the meaning of the new type of dry rotary kiln refractory brick 620,320?
20 stands for that the length of the brick is 20CM, there is only a kind of 620 brick for masonry. Simply say: 1. 620 and 320 these two specifications of bricks are needed simultaneously if it is 4 meters kiln that should be built. When the diameter of the kiln is 6M. Other specifications of kiln can be built by useing these two kinds of bricks in different proportions. 3M kiln can be built only by using 320 brick, its proportion of use is 16. 3 stands for kiln's diameter
Q:What is the name of the white clay refractory brick
Kaolin

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