The Making of Iron & Steel - SEAISI

increased, the majority of flux required in the blast furnace is precalcined (burnt) in the agglomerated feed. Sinter is better suited to this practice than pellets. Iron Ore Agglomeration Ø Sinter Process The sinter process was introduced around 1910 to treat flue dust extracted from blast furnace …

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Process Of Blast Furnace - furnacesekidzuyo.blogspot.com

Blast furnace Gas Cleaning Systems - Millennium Steel An important by-product of the blast furnace process is blast furnace gas, used as fuel for heating blast air in the hot blast stoves and as supplemental fuel for steam and power generation.

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Blast furnace - Wikipedia Republished // WIKI 2

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals and its alloys, generally iron, but also others such as lead or copper.. In a blast furnace fuel (coke), ores, and flux (limestone) are continuously supplied through the top of the furnace, while a hot blast of air (sometimes with oxygen enrichment) is blown into the lower section of the furnace ...

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Blast furnace - The Full Wiki

History. Blast furnaces existed in China from about the 5th century BC, and in the West from the High Middle Ages.They spread from the region around Namur in Wallonia in the late 15th century, being introduced to England in 1491.The fuel used in these was invariably charcoal.The successful substitution of coke for charcoal is widely attributed to Abraham Darby in 1709.

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The Sintering Process of Iron Ore Fines – IspatGuru

Mar 09, 2013· The Sintering Process of Iron Ore Fines Sintering plants are normally associated with the production of hot metal in blast furnaces in integrated steel pants. The process of sintering is basically a pre-treatment process step during iron making to produce charge material called sinter for the blast furnace from iron ore fines and also from ...

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UDC 669 . 162 . 2 Development of Ironmaking Technology

of phenomena in the lower part of a blast furnace (including the behavior of particulate substances), quality control of sinter and coke such as a sintering method for lowering SiO 2 content and blast furnace evaluation technology, etc.), (3) Use of plastics as the alternative energy source for blast furnaces and coke ovens,

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Blast furnace - SlideShare

Jan 16, 2016· Blast furnace 1. The Formation of Iron and Steel The Blast Furnace 2. Step 1 - the formation of sinter 3. Step 2 - the Blast Furnace The outer case is a water cooled steel casing that provides the main support for the 30 m high furnace.

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Sinter plant - Wikipedia

Such iron ore cannot be directly charged in a blast furnace. In the early 20th century, sinter technology was developed for converting ore fines into lumpy material chargeable in blast furnaces. Sinter technology took 30 years to gain acceptance in the iron-making domain, but now plays an important role.

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(PDF) Optimum nut coke for the iron making blast furnaces

Optimum nut coke for the iron making blast furnaces. ... a history of continuous ... the influence of nut coke on the shaft permeability and sinter reducibility under blast furnace simulating ...

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(PDF) Iron ore sintering. Part 1. Theory and practice of ...

The Sinter Plant at Ashland Works consists of Dravo-Lurgi traveling grate sintering machine which processes a mixture of materials including iron ore, iron pellet fines, blast furnace flue dust ...

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Blast Furnace - an overview | ScienceDirect Topics

Blast furnace gas is produced during the iron oxide reduction in blast furnace iron making in which iron ore, coke and limestone are heated and melted in a blast furnace and is an indigenous process gas of the steelworks industry (Pugh et al., 2013).

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Ironmaking 101 – From Ore to Iron with Blast Furnaces ...

Figure 1 Drawing of an ironmaking blast furnace with hot-blast stove. Source: The German Steel Federation (WV Stahl) In order to make steel, iron must be extracted or won from iron ore. Blast furnacing, smelting and direct iron reduction are the current ironmaking processes.

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Blast Furnace Charge (Raw Materials for Steel-making ...

Jan 11, 2013· 1. QUALITY OF CHARGE MATERIAL: A blast furnace charge consists of coke, ore or sinter, and limestone. These materials must be in lumps of a certain size (40-60 mm). Larger lumps prolong the process of reduction and fluxing. Smaller lumps block the flue-gas passages and prevent a uniform descent of melting materials in the furnace. 2. IRON ORES: Ore is a metal bearing mineral.

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Scunthorpe Steelworks - Wikipedia

In addition to the new plant new sinter equipment was constructed, allowing the works to operate on near sinter use in the blast furnaces – part of the rationale for the sinter investment was the deterioration of the quality of the locally mined ore, resulting in increasing quantities of fines in the ore.

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Sintering Furnace - YouTube

May 31, 2016· Vacuum sintering furnace is a fantastic industrial furnace for sintering of powder metallurgy (PM) and metal injection molding (MIM) products including stainless steel, hard alloy, superalloy ...

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Blast Furnace Anatomy #1 – To the Heart of Steelworks ...

At POSCO, the condition of blast furnaces can be monitored through live-data such as the temperature of the furnace, pressure, and the status of molten iron-making. Since the blast furnace operation is 24/7 nonstop, maintaining a stable condition has a critical bearing on …

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How iron is made - material, manufacture, making, history ...

The raw materials used to produce pig iron in a blast furnace are iron ore, coke, sinter, and limestone. Iron ores are mainly iron oxides and include magnetite, hematite, limonite, and many other rocks. The iron content of these ores ranges from 70% down to 20% or less.

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Sinter Plant Process - blast-furnaces.com

Sinter Plant | Industrial Efficiency Technology &?/h3>Learn more » The purpose of the sinter plant is to process fine grained raw materials into a coarse grained iron ore sinter, ready to be charged to the blast furnace.

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Blast Furnace Ironmaking - an overview | ScienceDirect Topics

Jan 01, 2010· For example, blast furnace ironmaking including sintering and coking plants consumes about 65-75% of the entire energy at an integrated steelworks (ca. 11–12 GJ/t hot metal) (Babich, 2009). Both direct and indirect coal use, e.g. in the form of coke, is presented. Use of coal and coke breeze for sintering is out of the scope of this contribution.

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Blast furnace | metallurgy | Britannica.com

Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of a flow of air introduced under pressure into the bottom of the furnace with a mixture of metallic ore, coke, and flux fed into the top. Blast furnaces are used to produce pig iron from iron ore for subsequent

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Development of Pellet-Sinter Composite Agglomerate for ...

Charging of super fluxed sinter in combination of acid pellets in blast furnace is the common technique to improve the utilization of fines in iron making. Sintering has a size limitation, while pelletization can utilize ultra-fine iron oxides or concentrates, but it is involved with high energy consumption and production cost. In order to ...

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Blast Furnace operation: HOW A BLAST FURNACE WORKS

Aug 04, 2011· The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom.

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CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants. With the development of sintering technology, a sintering plant has become a tremendous success for providing a phenomenal increase in productivity and saving in coke rate to the blast furnace. The technology of sinter making

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Why don't we use sinter in blast furnace? Why are we ...

In sinter,there are 3 types. 1 . Acidic sinter 2.fluxed sinter 3.super fluxed sinter 1.In acidic sinter basicity is less than one. 2.fluxed sinter basicity=1 3.super fluxed sinter basicity more than 1. If we charge acidic sinter,we wanted to add...

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Blast furnace - Wikipedia

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air (sometimes with ...

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Technical Review Development of Iron-making Technology

circumferentially balanced operation of large blast furnaces. Fig. 111) shows the historical changes in the unit consumption of Photo 1 Oita No. 2 Blast furnace (inner volume 5,775 m3, the world biggest BF at the time of blow-in) Table 1 History of fuel injection into blast furnaces (focusing mainly on events of Nippon Steel) 1-9) Year Topics

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Features of Sinter Plant for Steel Making - YouTube

Dec 07, 2015· Compressive utilization of wastes. The produced slag powder will be used as cement additive or building material,etc.;Electric belt scale metering,computer ...

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Sinter Plant | Industrial Efficiency Technology & Measures

The purpose of the sinter plant is to process fine grained raw materials into a coarse grained iron ore sinter, ready to be charged to the blast furnace. Sintering of fine particles into a porous clinker – sinter – is necessary to improve the permeability of the burden, making reduction easier. A high quality sinter has high reducability, which reduces the intensity of blast furnace ...

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