process for producing molten iron

US8157888B2 - Process for producing molten iron - Google ...

A high purity of molten iron is produced efficiently at a higher productivity, by feeding a raw material mixture containing a carbonaceous reducing agent, an iron oxide-containing material and a CaO-containing material onto a hearth of a moving-hearth reducing furnace, heat-reducing the raw material mixture in the reducing furnace, and melting it in a melting furnace melting, wherein a ...

US4755219A - Process for producing molten pig iron or ...

A process for producing molten pig iron or steel raw material in which iron oxide-containing, preferably pre-reduced raw material particles are introduced from above into a fluidized bed formed from carbonaceous solid particles and an oxygen-containing carrier gas.

Iron processing | Britannica.com

Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of …

Puddling (metallurgy) - Wikipedia

In the original puddling technique, molten iron in a reverberatory furnace was stirred with rods, which were consumed in the process. It was one of the first processes for making bar iron without charcoal in Europe, although much earlier coal-based processes had existed in China.

History· Process· Puddling furnace· Footnotes· Further reading

1A Manufacturing Process for Iron and Steel

After the BF-BOF process, molten steel is controlled to a target composition and temperature and is then cast by continuous casting machine to produce slabs, blooms, and billets. These castings are rolled to the required dimensions by the rolling mill to produce steel products.

bessemer process of iron ore extraction - …

Oct 22, 2018· The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the . A Bessemer converter could treat a "heat" (batch of hot metal) of 5 to 30 tons at a time.

12.5 Iron And Steel Production - US EPA

12.5 Iron And Steel Production 12.5.1 Process Description1-3 ... The molten iron and slag are removed, or cast, from the furnace periodically. The casting process begins with drilling a hole, called the taphole, into the clay-filled iron notch at the base of the hearth. During casting, molten iron flows into runners that lead to transport ladles.

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