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Circulating fluidized bed boiler refractory wear-resistant insulation material cyclone tube outlet flue physicochemical index

Words:[Big][Medium][Small] Mobile Page Two-Dimensional Code 2018-10-15     
Cyclone outlet flue

High strength castable


Alumina aggregate50
Silicate powder5
curundum powder
Refractories>1500℃;Bulk density2.7g/cm3;
Normal temperature compressive strength>120Mpa;

Normal temperature flexural strength>10 Mpa;

Were resistance<8cc

Reburning line rate0.2%;
Max working temperature1500℃;
4 year above

Divided into three layers:

1. High-strength wear-resistant castables, the main raw materials are: (1) alumina aggregate, which plays a role in fire resistance; (2) corundum powder, which plays a role in wear resistance.

Second, the light thermal insulation castables, composed of floating beads and alumina aggregates, play a role in refractory insulation.

Third, aluminum silicate fiberboard, the same as the cyclone separator return leg

light weight castable
  Refractories>1200℃;Bulk density0.8 g/cm3;


Apparent porosity<0.3%;

Max working temperature1150℃;
Thermal Conductivity0.28w/m.k
Alumina silicate board   Refractories>1000℃;Bulk density0.2g/cm3;
Compressive0.8Mpa;Reburning line rate<0.2%
Max working temperature900℃


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