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influence of sinter on coke rate of blast furnace

ores for the blast furnace process Sinter plants agglomerate iron ore fines with other fine materials at high temperature in a mix bed to create a product that can be used in a blast furnace Main feed into a sinter plant is base mix which consists of iron ore fines coke fines and flux lime stone fines and iron ,...

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The weight ratio of roasted ore, coke and limestone fed ,

The ratio of roasted ore, coke and limestone fed into the blast furnace in the manufacture of cast iron is 8 : 4 : 1 This mixture is known as charge Hence, Option (C) is correct...

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Size and mechanical strength of blast-furnace coke ,

09-10-2021· Iron ore materials are becoming smaller in size but stronger and more abrasive, while the proportion of coke in blast-furnace burdens is decreasing These and other factors justify the demand for a smaller coke of greater size uniformity and higher ,...

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The coke in the charge of blast furnace - Examveda

The coke in the charge of blast furnace Supplies heat to reduce ore and melt the iron The coke is a source of carbon monoxide which will reduce the iron oxide in the ore to iron and the carbon monoxide oxidizes to carbon dioxide The limestone acts as a flux to remove other impurities and help the iron physically separate from the rest of the ....

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The weight ratio of roasted ore, coke and limestone fed ,

The ratio of roasted ore, coke and limestone fed into the blast furnace in the manufacture of cast iron is 8 : 4 : 1 This mixture is known as charge Hence, Option (C) is correct...

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reducibility of iron ore and coke rate in blast furnace

reducibility of iron ore and coke rate in blast furnace Blast-Furnace Production definition of Blast-Furnace , Blast-Furnace Production the production of pig iron by the reduction smelting of iron ores or pelletized iron-ore concentrates in blast furnac Get Price Steel Prices India, Iron Steel Indu....

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Ironmaking 101 – From Ore to Iron with Blast Furnaces ,

10-10-2017· Ironmaking Blast Furnace Iron is made by reacting iron ore (iron oxide and impurities), coke (a reductant) and limestone (CaCO 3) in a blast furnace Iron ores with lower iron content such as taconite are first processed to concentrate the iron level and drive off volatile impuriti...

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Chemical reactions of coke in the iron blast furnace ,

23-11-2017· Proc Blast Furnace, Coke Ovens, and Raw Materials Conference AIME (March 1952) 11, p 137 Google Scholar 12 H W Johnson: The Peripheral Distribution of Gases in the Blast Furnace Amer Iron and Steel Inst (May 26, 1938) 13 K Neustaetter: Observations on Gas Flow and Coke Consumption in the Blast Furnace Blast Furnace and Steel Plant ....

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LOCATION AND EXTENT OF COHESIVE ZONE IN THE BLAST FURNACE ,

42 Iron Ore , improves the productivity and reduces the coke rate and that in majority of the cases, the iron bearing material in the blast furnace reaches the softening temperature (top end of cohesive zone) with a reduction degree higher than 50 percent[1]...

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th SEM B TECH DEPARTMENT OF METALLURGY AND MATERIALS ,

Blast furnace iron making raw materials Blast furnace reaction , Raw materials for producing 1 ton of iron Minerals of iron and their reserves Coke and coal and production of coke Beneficiation of iron ore Agglomeration techniques with sintering and pelletising in details , 2-fuel rate 450-470 kg/thm(270-275 coke and 175-225 kg of coal)...

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Investigation of the Effects of Coke Reactivity and Iron ,

27-09-2020· coke solution loss reaction starts to take place with a discernable rate, consuming the charged coke and producing CO In principle, the gas utilization e ciency can be promoted by increasing the reducibility of iron ore, due to a higher reduction rate This explains why iron ore with a high reducibility is desirable in practice...

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What is coke rate in blast furnace? - Answers

17-01-2012· According to steelnicin; Coke Rate is measured in Kgs of BF Coke consumed per tonne of Hot Metal produced in the Blast Furnace(Kg/THM) By convention, this excludes coke (nut/pearl coke,...

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Factors affecting Coke rate in a Blast Furnace – IspatGuru

29-06-2014· Factors affecting Coke rate in a Blast Furnace satyendra; June 29, 2014; 4 Comments ; BF burden, BF gas, blast furnace, coke rate, reducing agent,; Factors affecting Coke rate in a Blast Furnace BF is a counter current reactor in which the reducing gas is produced by the gasification of the carbon of the BF coke with the oxygen of the hot blast injected via tuyeres in the lower part of the ....

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reducibility of iron ore and coke rate in blast furnace

reducibility of iron ore and coke rate in blast furnace Blast-Furnace Production definition of Blast-Furnace , Blast-Furnace Production the production of pig iron by the reduction smelting of iron ores or pelletized iron-ore concentrates in blast furnac Get Price Steel Prices India, Iron Steel Indu....

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Blast Furnace Coke Properties and - DiVA portal

blast furnace the reaction was limited by the diffusion rate Coke degradation was therefore mostly restricted to the coke surface in the blast furnace At a later EBF campaign, off-gas dust was sampled during operation with different iron-bearing materials EBF ,...

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LOCATION AND EXTENT OF COHESIVE ZONE IN THE BLAST FURNACE ,

42 Iron Ore , improves the productivity and reduces the coke rate and that in majority of the cases, the iron bearing material in the blast furnace reaches the softening temperature (top end of cohesive zone) with a reduction degree higher than 50 percent[1]...

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Lecture 28: Materials Balance in Iron making Key words ,

Pig iron analyses :weigh percent % ; Fe 927,C4 Si2,P09 and Mn04 The coke rate is 900kg/ton of pig iron (Modern blast furnace operates with much lower coke rate) During smelting 995% of Fe is reduced and 05% is slagged The CO/CO2 ratio in the top gas is 2/1 Calculate a) Weight of iron ore...

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Functions of coke in the blast furnace? - Answers

27-02-2012· the Coke supplies carbon monoxide to reduce the ore in a blast furnace and supplies heat to melt the iron...

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The coke in the charge of blast furnace - Examveda

The coke in the charge of blast furnace Supplies heat to reduce ore and melt the iron The coke is a source of carbon monoxide which will reduce the iron oxide in the ore to iron and the carbon monoxide oxidizes to carbon dioxide The limestone acts as a flux to remove other impurities and help the iron physically separate from the rest of the ....

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Substitution of Coke and Energy Saving in Blast Furnaces ,

The system of discrete material and thermal balances in the radial annular cross-sections for 12 vertical and 10 radial ring zones is used to describe the heat and mass transfer processes of iron ore reduction and melting in blast furnace with respect to the various degree ,...

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Why Use Coke for Blast Furnace Ironmaking not Use Coal ,

06-10-2019· In blast furnace ironmaking, coal is not as strong as coke, and crushing will cause a decrease in the permeability of the blast furnace The calorific value and carbon content of some anthracite coals are higher than coke, but there are more harmful impurities such as ,...

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(PDF) The Coke and Iron Ore Materials Kinetic ,

The Coke and Iron Ore Materials Kinetic Characteristics and Quantitative Indicators of Blast Furnace Process , Influence of coke reactivity on the blast furnace productivity (1) and coke rate (2)...

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Ironmaking 101 – From Ore to Iron with Blast Furnaces ,

10-10-2017· Ironmaking Blast Furnace Iron is made by reacting iron ore (iron oxide and impurities), coke (a reductant) and limestone (CaCO 3) in a blast furnace Iron ores with lower iron content such as taconite are first processed to concentrate the iron level and drive off volatile impuriti...

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Investigation of the Effects of Coke Reactivity and Iron ,

Hence, it is necessary to select coke with appropriate reactivity, in accordance with iron-ore reducibility, instead of blindly pursuing high-reactivity coke in actual operation The use of coke with high reactivity in the ironmaking blast furnace (BF) has yet to be explored, and a thorough understanding is still required to clarify the effect of coke reactivity on the BF gas utilization ....

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Reducibility Of Iron Ore And Coke Rate In Blast Furnace

Reducibility Of Iron Ore And Coke Rate In Blast Furnace Enhancement of Iron Ore Sinter Reducibility through Coke The injection of free resources of coke oven gas COG, which is rich with hydrogen, into the modern blast furnace is one of such measur...

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th SEM B TECH DEPARTMENT OF METALLURGY AND MATERIALS ,

Blast furnace iron making raw materials Blast furnace reaction , Raw materials for producing 1 ton of iron Minerals of iron and their reserves Coke and coal and production of coke Beneficiation of iron ore Agglomeration techniques with sintering and pelletising in details , 2-fuel rate 450-470 kg/thm(270-275 coke and 175-225 kg of coal)...

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Functions of coke in the blast furnace? - Answers

27-02-2012· the Coke supplies carbon monoxide to reduce the ore in a blast furnace and supplies heat to melt the iron...

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What is coke rate in blast furnace? - Answers

17-01-2012· According to steelnicin; Coke Rate is measured in Kgs of BF Coke consumed per tonne of Hot Metal produced in the Blast Furnace(Kg/THM) By convention, this excludes coke (nut/pearl coke,...

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CFD Investigation of the Effects of Iron Ore Reducibility ,

eters that affect the blast furnace coke rate To reduce the coke rate via pulverized coal injec-tion , shaft region of a blast furnace where the iron ore and coke undergo gas-solid reactions...

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CFD Investigation of the Effects of Iron Ore Reducibility ,

eters that affect the blast furnace coke rate To reduce the coke rate via pulverized coal injec-tion , shaft region of a blast furnace where the iron ore and coke undergo gas-solid reactions...

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