Blast Furnace and Stoves | Eurotherm by Schneider Electric
COAL FIRED BOILER -PRINCIPALS - Energy Commission
Generation of Hot Air Blast and Hot Blast Stoves IspatGuru
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Apr 18, 2015 · When the stove is on blast (heating the blast air), the chimney valves are closed. The seats of the valve are arranged so that when the stove is on blast, the pressure in the stove holds the seats together to prevent leakage. When the stove is to be taken off blast and put on heating, there is a blow off valve that is opened to relieve the pressure.
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Any of the gas not burned in the stoves is sent to the boiler house and is used to generate steam which turns a turbo blower that generates the compressed air known as "cold blast" that comes to the stoves.
The hot blast air is produced by passing cold blast air through preheated chambers or stoves, and heating the air to above 1000°C. The stove is first heated up by burning gas and combustion air within the chamber and allowing the heat to be absorbed into the brickwork, or chequerwork. This mode is
Blast furnaces are lined by carbon and graphite refractory bricks to protect the integrity of the vessel. Carbon and graphite refractories are primarily used for blast furnace linings because of their high temperature conductivity and their ability to reduce the heat load by moving the excessive heat to the shell where the heat can be