Blast-furnace ironmaking energy-saving novel process and equipment
A blast furnace ironmaking and process technology, applied in the field of smelting, can solve problems such as adverse effects of ironmaking quality and energy consumption, reduction of melting speed and dripping speed, and impact on blast furnace air permeability, so as to improve smelting speed, output, and air permeability The effect of improving and simplifying the burden of uneven heating and cooling
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[0029] The technical solutions of the present invention will be described in detail below in conjunction with specific implementation methods and accompanying drawings.
[0030] The blast furnace ironmaking process of the present invention comprises a mechanical manufacturing step, a pelletizing step, a direct reduction step, and a vacuum cooling step. Powder balls can be equally divided into 42 pieces at the same time. This mineral powder ball has an appearance diameter of 1000mm and a height of 200mm (the number of equal parts and the setting of size are flexibly set according to specific needs, and are related to specific equipment size and output requirements. The present invention does not not limited), then through the cantilever 90-degree rotation and then hydraulically pushed to the trolley launched by the circulating direct reduction furnace, the operation is rotated back and forth, and 8 pieces are placed on each trolley; the formed mineral powder balls are transporte...
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