1. Clay refractory bricks.
The fire facing surface of the furnace lining can choose the PN-42 brand, and the physical and chemical indicators and size deviation of PN-40 clay refractory bricks should comply with the requirements of clay refractory bricks GB/T34188-2017; When selecting irregular bricks,
What are the commonly used refractory bricks for fluidized bed furnace lining?
1. Clay refractory bricks.
The fire facing surface of the furnace lining can choose the PN-42 brand, and the physical and chemical indicators and size deviation of PN-40 clay refractory bricks should comply with the requirements of clay refractory bricks GB/T34188-2017; When selecting irregular bricks, their dimensions shall comply with the provisions of the design drawings.
2. High alumina bricks.
The facing surface of the furnace lining, especially in high temperature locations, can also choose LZ-55 and LZ-65 high aluminum bricks. The deviation of its physical and chemical indicators and external dimensions should comply with the provisions of "High alumina bricks" GB/T2988-2012; When selecting irregular bricks, their dimensions shall comply with the provisions of the design drawings.
3. Clay insulation refractory bricks.
The furnace lining insulation refractory material can use clay insulation refractory bricks NG120-0.6 and NG115-0.4. The deviation of its physical and chemical indicators and appearance dimensions should comply with the provisions of clay insulation refractory bricks GB/T394-2013.
4. Diatomaceous earth insulation bricks.
The insulation refractory material of the furnace lining can also use diatomaceous earth insulation product GG-0.7a. The deviation of its physical and chemical indicators and appearance dimensions should comply with the provisions of diatomaceous earth insulation products GB/T396.
In addition to the four types of refractory brick products mentioned above, ceramic fiber products, a large amount of refractory castable materials, prefabricated components of refractory castable materials, refractory mud, anti-corrosion coatings, etc. also need to be used in the lining construction of fluidized bed furnaces
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