kobe steel rotary hearth furnace

FASTMET® Process Products || KOBE STEEL, LTD.

FASTMET ® is a direct reduction process using rotary hearth furnace (RHF). Various carbon sources such as coal, coke breeze or carbon bearing wastes can be used as reductant. Reduction process is completed in 6 - 12 minutes. ... Kobe Steel, Ltd. also has abundant experiences on environmental matters, such as incinerator and sewerage plants.

Steel News - aist.org

The pellets are fed into a rotary hearth furnace; reduction, melting, and slag separation occur in about 10 minutes ... Kobe Steel provided the ITmk3 process license, engineering services, primary production equipment, and technical support. SDI plans to use the nuggets produced by the Minnesota ITmk3 Plant in its steel …

Not All RHFs Are - Midrex

ll rotary hearth furnace-based direct reduction technologies are not alike. This primer is written to dispel misconcep-tions in the industry and to show how Midrex and Kobe Steel have evolved five separate technologies from the basic RHF con-cept to meet specific client needs. ROTARY HEARTH TECHNOLOGY Rotary hearth furnaces are not a new ...

FASTMET®: Proven Process for Steel Mill Waste Recovery

Over the past 10 years, Midrex and Kobe Steel have been developing the FASTMET process that will enable the steelmaker to deal with steel mill waste problems. The FASTMET Process converts steel mill wastes, with or without the addition of iron ore fines, into metallized iron in a rotary hearth furnace (RHF) using carbon as the reductant.

US5186741A - Direct reduction process in a rotary hearth ...

Direct reduction process in a rotary hearth furnace ... Direct reduction process in rotary hearth furnace ES92104620T ES2206441T3 (en) 1991-04-12: 1992-03-17: Process and direct reduction apparatus. DE1992633172 ... (Kobe Steel, Ltd.) Rotary hearth furnace for producing reduced metal and method of producing reduced metal

Kobe Steel Tops Japanese Materials-Recycling Awards | GreenBiz

Jan 16, 2006· Kobe Steel Tops Japanese Materials-Recycling Awards. Kobe Steel Tops Japanese Materials-Recycling Awards. GreenBiz Editors. ... With its FASTMET process for direct reduction using rotary hearth furnaces, Kobe Steel succeeded in recycling iron mill dust from blast furnaces that had until now been difficult to recycle, and at the same ...

US Patent Application for Rotary Hearth Furnace And Method ...

A rotary hearth furnace includes an exhaust gas eductor. The exhaust gas eductor includes a compartment-defining portion and an exhaust duct. The compartment-defining portion is provided on part of a ceiling of the rotary hearth furnace in an exhaust gas discharge region, and an exhaust duct is connected to the compartment-defining portion.

Talk:HIsarna ironmaking process - Wikipedia

Kobe Steel's ITmk3 (Iron Technology Mark III) direct reduction process which improved throughput (but not the other drawbacks) by using a rotary hearth semi-fluidised bed furnace operating at 1500 Celcius. Iron nuggets had to still be magnetically separated from slag with size screening.

ROTARY HEARTH FURNACE TECHNOLOGIES FOR imim.pl/files ...

The midrex/kobe steel RHF conceptTo be successful, rotary hearth furnace direct re-duction must be properly applied for each case, whethergreenfield or at an existing facility.

itmk3 (2)__

For Kobe Steel, successful start-up and operation will pave the way for future plant sales, nugget sales, and technology licensing. REFERENCES 1. J.M. McClelland, "A Layman's Guide to the Midrex and Kobe Steel Rotary Hearth Furnace Technologies," Direct from Midrex From the Hearth…

Steel News - aist.org

The rotary hearth furnace—the core operating equipment of the FastMet Process—is a donut-shaped furnace that recycles steel dust at high process temperatures and speeds to produce DRI. The rotary hearth furnace is also able to abstract zinc from the steel dust.

Proses Pembuatan Besi Baja - Proses ITmK3

Cara tersebut menggunakan prinsip Rotary Hearth dengan proses Fastmet. Pada tahun 1996, Kobe Steel melakukan suatu penelitian terhadap pengembangan suatu proses pembuatan besi baja generasi ke tiga, yaitu ITmk3®.

Rotary Hearth Furnace Technologies - Midrex

MIDREX/KOBE STEEL TECHNOLOGIES FASTMET Process/Technology FASTMET uses a rotary hearth furnace to convert steel mill wastes and iron oxide fines to highly metallized DRI. Carbon contained in the wastes or added as coal, charcoal or coke is used as the reductant. Combustion of volatiles from the reductant and

Blog - Event

Are Chinese Steel Mills Slowly Graduating to Rotary Hearth Furnace (RHF)? ... Technology HIsmelt Plant Hismelt Technology Industrial Automation Iron & Steel Industry Iron Making Iron Making Process JSW Kobe Steel laser technology media Pellet_Plant Photoshop Posco Primetals RHF Scrap Shouguang Shandong plant Smart Factories Steel Automation ...

Prospects for Coal-based Direct Reduction Process

Kobe Steel has developed coal-based direct reduction (DR) technologies, the FASTMET, FASTMELT and ITmk3 processes, which reduce carbon composite agglomerates (pellets or briquettes) on the hearth of a rotary hearth furnace (RHF). This paper outlines the features of each process, status of technical development and commercialization.

Rotary hearth furnace for producing reduced metal and ...

Jun 12, 2002· In a rotary hearth furnace for producing reduced metal through heating and reducing carbon containing materials composed of at least metal oxide-containing material and carbon-containing reduction Rotary hearth furnace for producing reduced metal and method of producing reduced metal - KOBE STEEL LTD

Tenova Core Supplies Large Rotary Hearth Furnace at …

The furnace has a design capacity to produce 500,000 tons of iron nuggets annually using the innovative Kobe Steel ITmk3® process. The "doughnut" type rotary hearth furnace has an impressive diameter of approximately 68 meters, making it the largest diameter rotary hearth furnace that Tenova Core has ever supplied and one of the largest rotary

kobe steel rotary hearth furnace - amarcord.co.za

Kobe Steel Tops Japanese MaterialsRecycling Awards . Jan 16, 2006 · With its FASTMET process for direct reduction using rotary hearth furnaces, Kobe Steel succeeded in recycling iron mill dust from blast furnaces that had until now been difficult to recycle, and at the same time, in recovering volatile components such as zinc, allowing the recovery of highly pure iron materials.

rotary earth furnace iron ore reduction plant

Unlike blast furnaces, direct reduction ironmaking plants using natural gas (e.g., the MIDREX process a coal based reduction process using a rotary hearth furnace (RHF) in collaboration with MIDREX Technologies, a subsidiary of Kobe Steel in the iron ore fines, steel mill waste and non coking coal.

Mesabi Nugget - The new age of iron - ResearchGate

The ITmk3 process developed by Kobe Steel Ltd. is a new ironmaking technology that uses a rotary hearth furnace to turn iron ore fines and pulverized coal into iron nuggets of comparable quality ...

Rotary hearth furnace - Kobe Steel, Ltd.

Apr 12, 2011· To provide a rotary hearth furnace which has a simple furnace structure in which the furnace is not damaged even if the furnace is operated for a long term while presenting general equations capable of adequately determining a thermal expansion margin in the rotary hearth furnace.

Press Release Details | The former Nippon Steel | Press ...

2) After establishment, the joint company will apply to the Ministry of the Environment for approval to recycle steel dust. Upon receiving approval, a new recycling facility will be constructed for the operation of a Kobe Steel FASTMET® Plant using a rotary hearth furnace (hereinafter "RHF").

Iron Nugget Production Process- A Review - news.steel-360.com

The process is based on coal reduction technology and developed by Kobe Steel. Iron Nuggets are produced by ITmk3 process, which is also known as 'Iron making Technologies mark 3'. The process is based on coal reduction technology and developed by Kobe Steel. ... These pellets are charged into a Rotary Hearth Furnace (RHF), heated to 1350 ...

ROTARY HEARTH FURNACE TECHNOLOGIES FOR IRON ORE ...

Inc. and Kobe Steel, Ltd. have evolved three prima-ry technologies from the basic RHF concept to meet specific client needs: FASTMET R, FASTMELT R and ITmk3 R. 2. The midrex/kobe steel RHF concept To be successful, rotary hearth furnace direct re-duction must be properly applied for each case, whether greenfield or at an existing facility.

Techint, Kobe Steel and Midrex Reach Worldwide Agreement

Techint Technologies, Pittsburgh, Pa., signed an agreement with Midrex Technologies and Kobe Steel that creates an alliance for the marketing and supply of FASTMET(r) and FASTMELT(r) projects worldwide. Under the agreement, Techint will supply the rotary hearth furnaces and …

A Trusted Partnership - baldor.com

Kobe Steel, the groundbreaking iron making technology uses a rotary hearth furnace to turn iron ore, pulverized coal and limestone into iron nuggets that have 97% iron content. Most of the nuggets produced will be shipped by rail to SDI's three Indiana steel mills.

Japan: Kobe Steel's New Technology Aims To Reduce Blast ...

Kobe Steel has been operating three BFs – the second blast furnace at Kakogawa has an oven capacity of 5400 m3, while the other furnace has 4,844 m3 capacity. The steel major's external procurement ratio of coke is higher than that of its competitors.

Alternative Iron Makers Forge Alliance - Recycling Today

Fastmet is a coal-based DRI process developed by Kobe Steel and Midrex Technologies Inc. Iron bearing materials (virgin iron ores or waste oxides) are blended with a reductant (coal or waste carbon source) and are rapidly heated in a rotary hearth furnace (RHF) to produce 85 to 92 percent metallized DRI in six to 12 minutes.