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Circulating fluidized bed boiler refractory wear resistant heat preservation material furnace door expansion section physical and chemical index

Words:[Big][Medium][Small] Mobile Page Two-Dimensional Code 2018-06-10     

The oven doorSelf-flowing corundum castableYG-GJ-14

Bauxite aggregate 40

Aluminum oxide powder 5

Corundum material 40

Additives for 15

Fire resistance >1790℃;Volume density > 2.8g /cm3;

Normal temperature compressive strength >90 Mpa;Bending strength >9 Mpa;

Change rate of reburning line is 0.2%.Thermal shock stability >40 times;

Maximum operating temperature 1350℃

Wear < 8 cc

4 years

The above

Use corundum.This part should have three physical properties: fire resistance, wear resistance and thermal shock stability. Due to the inconvenient construction of this part, wear-resistant plastic is used. This material is composed of three reasons.(1) bauxite aggregate, fire resistance;(2) aluminum oxide powder can stabilize thermal shock;(3) corundum material plays a wear-resisting role.    
The expansion jointAluminum silicate cotton

Bauxite aggregate 40

Aluminum oxide powder 5

Corundum material 40

Additives for 15

Fire resistance >1790℃;Volume density > 2.8g /cm3;

Normal temperature compressive strength >90 Mpa;Bending strength >9 Mpa;

Change rate of reburning line is 0.2%.Thermal shock stability >40 times;

Maximum operating temperature 1350℃

Wear < 8 cc

4 years

The above

Used for corundum plastics.With the furnace outlet wear-resistant plastic material effect.





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