Blast furnace top temperature control method
A temperature control method and blast furnace technology, which are applied in blast furnaces, blast furnace details, furnaces, etc., can solve the problems affecting the stability of the blast furnace, direct running, unfavorable direct running of the blast furnace, and deterioration of the quality of the charge, so as to reduce the amount of water drawn from the top of the furnace and reduce the The number of water draws and the effect of increasing power generation
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[0020] The water fetching from the top of the 6# blast furnace in Taiyuan Iron Works is controlled by the first-level system of the blast furnace. After the first-level system sets the interlocking conditions, the program will automatically run according to the interlocking conditions, which can realize automatic water fetching. The trial process includes the following steps:
[0021] Step 1: Set the linkage between the furnace top water pumping and charging: when the top temperature is higher than the set starting water pumping temperature of 210°C, the furnace The top does not start water fetching; only when the top temperature is greater than the set start water fetching temperature, and the furnace top is loaded with ore 10 seconds before the next time before the next time the ore is loaded, the furnace top water fetching is started;
[0022] Step 2: The conditions for stopping the top water pumping are: when the top temperature is lower than the set stop water pumping temp...
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