Method for producing huge high-purity nickel ingot square billets through four-gun electron beam cold bed furnace
An electron beam cooling bed furnace and nickel ingot technology, applied in the field of engineering applications, can solve problems such as reports that have not yet been found, and achieve the effects of shortening the process flow, fast casting speed, and good economic benefits
Active Publication Date: 2014-12-10
YUNNAN TITANIUM IND
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Abstract
The invention discloses a method for producing huge high-purity nickel ingot square billets through a four-gun electron beam cold bed furnace. The method comprises the following steps that electrolytic nickel with the purity of 99.5 percent is selected, the surface of the electrolytic nickel is cleaned, the electrolytic nickel is cut into small blocks with the diagonals smaller than or equal to 120 mm, the small blocks are cleaned, dried and smelted in the electron beam cold bed furnace, continuous casting is carried out through a square crystallizer, and the huge high-purity nickel ingot square billets are obtained. According to the method, the electron beam cold bed furnace is used for carrying out smelting, the smelting speed is high, the whole smelting process is carried out under a highly vacuum condition, air pollution is avoided, and gas impurities can be effectively eliminated. As a refining cold bed is arranged, removal of saturated low-steam-pressure impurities, high-density impurities and low-density impurities can be realized in the smelting process, and smelting and purification can be carried out simultaneously. By replacing the crystallizer, the huge high-purity nickel ingot square billets of different specifications can be produced, the processes of skinning, forging and the like in the prior art are simplified, the production cost is reduced, and the production efficiency of nickel plates and strips is largely improved.
Technology Topic
Smelting processNickel plate +8
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