Henan Zhongke Engineering & Technology Co., Ltd.
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  • Contact Person : Ms. Zhou Christina
  • Company Name : Henan Zhongke Engineering & Technology Co., Ltd.
  • Tel : 0086-371-67898596
  • Fax : 0086-371-67898596
  • Address : Henan,Zhengzhou,Weat Huagong Road
  • Country/Region : China
  • Zip : 450000

spinel bricks

spinel bricks
Product Detailed
Related Categories:Refractory

Detailed Product Description


Spinel brick are mainly used in burning zone, transitional zone and kiln mouth of rotary kiln. In particular, Spinel brick has been becoming one of the major lining materials for rotary kiln. It is applied in the transitional zone, cooling zone, kiln mouth and even in burning zone of ceramic kiln. Spinel brick is replacing magnesium chrome bricks step by step. The thermal shock resistance of alkalescency refractory material is poor. The key point of using alkalescency refractory material is that a coating can be formed on surface of kiln. The shortcoming of poor thermal shock resistance can be made up by keeping the proper thickness of coating on kilnThat is 200 to 300mm It s also applied for spinel brick when it is used in burning zone of kiln.

Index

Fued synthetic Spinel bricks

 sintering synthetic Spinel bricks

MgO/%≥

>78

>80

Al2O3/%≤

10~13

8~12

Fe2O3/%

<1

<1

SiO2/%

<1.8

<1.5

volume density /kg.m-3

≥2920

2920~2950

Apparent porosity %≤

≤19

17~19

Compress strength /MPa≥

≥40

≥40

refractoriness under load   , ≥               T0.6 
T2

≥1650

≥1700

≥1650

≥1700

Linear expansivity  /% (1000)

0.96

0.99

thermal conductivity  /W (m K ) -1

3.00

3.00

Thermal shock resistance         
(1100-Water cold)

≥8

≥8



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