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What castables are needed for masonry hot blast stove

2021-02-25 14:13

  Unshaped refractories for hot blast stoves are mainly divided into the following categories:

  1 Refractory mud

  For the mud of refractory bricks for masonry hot blast stove, please refer to the mud of refractory bricks for masonry furnace. In addition, a large number of silica bricks are used in the high-temperature parts of the hot blast stove, and silica refractory mud is required to build the silica bricks. Silica refractory mud uses silica powder or some added silica powder as the main material, and the bonding agent can be soft clay or chemical bonding agent.

  2 Refractory castable

  When lining the hot blast stove, some castables are also used in some parts, such as clay castables at the bottom of the hot blast stove, and andalusite castables between the outer wall of the ceramic burner and the wall of the combustion chamber.

  3 spray paint

  Refractory spray coatings are widely used in hot blast stoves. Different types of refractory spray coatings can be used in the combustion chamber, regenerator, mixing chamber and various hot blast pipe inner walls of hot blast stoves. Its function is to heat insulation and improve the furnace body. Air tightness, protection of furnace shell steel plate, etc.

  4 Thermal insulation materials

  Thermal insulation refractories refer to refractories with high porosity, low bulk density and low thermal conductivity. The most commonly used heat-insulating materials in hot blast stoves include heat-insulating refractory bricks, refractory ceramic fiber felts, and polystyrene boards.

Unshaped refractories for hot blast stoves are mainly divided into the following categories:
In summary, the steel, refractory powder and lightweight aggregate used for lightweight brick sand refractory castables have different varieties and dosages
Part of the key energy consumption in glass manufacturers is the glass furnace (which consumes about 75% of the total energy consumption).
The technical indicators of refractory castables are the main reference basis in the procurement process, which determines the quality of refractory castables.
There are many types of alkaline refractory bricks. Today, we will introduce in detail the general products for concrete kilns

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