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Description

Description of Checker Brick:


The checker brick is a kind of heat-exchange capacity, large heat storage area, smooth ventilation, low resistance and other heat-carrying heat storage body, with good volume stability, high temperature creep performance, high density and low porosity and other excellent characteristics. According to the structure, there are 7, 9, 19, 31 and 37-hole high-efficiency checker bricks, and the materials are silica, clay, high alumina, etc.


Technique Data

Technique Data of Checker Brick:

Item

Specification


GZ

DRN120

DRL127

DRL145

Al2O3  %

1.0

42

50

65

SiO2  %

95

/

/

/

Fe2O3  %

1.2

1.8

/

/

Apparent Porosity  %

24

22

25

23

Bulk Density  g/cm3

2.34(真密度)

2.1~2.3

2.3~2.5

2.5~2.7

CCS, MPa

30

25

40

50

0.2MPa Creep Rate %  0~50h

0.8

1500

0.8

1200

0.8

1270

0.8

1450

Thermal Expansion Rate  %  1000

1.26

/

/

/

PLC %

/

1350℃×2h

-0.4~0.1

1450℃×2h

-0.3~+0.2

1500℃×2h

±0.2


Project Cases
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