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As soon as Chu Guang stepped into Steel Plant 81, he felt that the surrounding temperature had risen by several degrees. So much so that he even felt a little hot in his deerskin coat.
Raising his head and looking forward, he saw two furnaces, one large and one small, in the center of the factory.
The outer shells of these furnaces were cast by molds and were covered with refractory materials such as silica to serve as acid linings.
One of the blast furnaces with a blower was responsible for heating the scrap steel stuffed into the furnace to 1,300 degrees and melting it into molten iron. The other converter, which was erected by a concrete base and had six air inlets at the bottom, was responsible for blowing molten iron of 1,300 degrees into qualified molten steel.
This process did not need to be heated again.
The heat released by the oxidation process was enough to make the molten steel in the furnace rise from 1,300 degrees to 1,600 to 1,700 degrees. A certain amount of chromium would be added in a specific proportion, and then after the smelting was completed, the converter would be dumped, pouring the molten steel into a mold made of refractory materials, which would be repeatedly rolled by a pair of rollers.
In order to facilitate the operation, a lot of pulleys and slings were installed on the ceiling. Many of these were materials removed from the waste tire factory, and the quality was still very reliable.
At present, Steel Plant 81 was still a small workshop,...
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