of coke breeze sintering iron ore

  • Sinter Plant - MECON

    sintering process. Due to the density difference between iron ore fines and coke fines, coke fines form layer on the surface of raw mix balls / nodules. Suction temperature will increase with increase in coke fines up to certain limit. This is due to the fact that coke burns to liberate temperature and start agglomeration. During

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  • Iron processing | Britannica

    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 its preparation for smelting. Iron (Fe) is a relatively dense metal with a silvery white appearance and distinctive

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  • Influence of high grade iron ore usage on the performance ...

    iron ore microstructural characterization. 3.0 Results and Discussions 3.1 BRBF fines characteristics The Table 2 shows the BRBF chemical and physical specifications of BRBF from Malaysia DC. As mentioned before it is a high grade iron ore with low gangue content, which make it a very good ore to be used in sintering process.

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  • Some experiences in the sintering of iron ores

    Some experiences in the sintering of iron ores S. JAYARAM, D. D. BHUPTANI, P. MEHTA, and F. W. KOKO AS PART of a 2 m. ton expansion project, the Tata Iron and Steel Company set up an ore-crushing and sintering plant to provide a sized ore plus sinter feed to the blast-furnaces. The sinter plant started operation in late 1959,

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  • Utilization of charcoal in the iron-ore sintering process

    time and the replacement of coke with charcoal may lead to increase in sinter productivity. Overall, the results from the laboratory scale tests suggest that replacement of coke breeze energy with an equivalent amount of energy from charcoal in the iron-ore sintering process

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  • Sintering

    coarser-grained ore particles up to a dia. of 8 mm . Coke breeze --- main energy source . Heating up of the granulated mix to slightly above the softening . The final product consists of a spongy sinter cake which is brought to the necessary grain size of 5- 50 mm. Agglomeration Processes

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  • SAFETY GUIDELINES FOR IRON & STEEL SECTOR MINISTRY .

    the agglomeration of the Iron ore fines (generally <8 mm) by incipient fusion of fine mineral particles with heat produced by burning of coke breeze, uniformly distributed in raw mix bed. During the sintering process, iron ore fine particles agglomerate into a porous .

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  • The Sintering Process of Iron Ore Fines – IspatGuru

    Mar 09, 2013· The Principle of sintering The principle of sintering involves the heating of iron ore fines along with flux and coke fines or coal to produce a semi-molten mass that solidifies into porous pieces of sinter with the size and strength characteristics necessary for feeding into the blast furnace.

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  • Effects of anthracite replacing coke breeze on iron ore ...

    Effects of anthracite replacing coke breeze on iron ore sintering - Volume 105 Issue 5 - Deog-Won Ri, Byung-Jun Chung, Eung-Soo Choi Please note, due to scheduled maintenance online transactions will not be possible between 08:00 and 12:00 BST, on Sunday .

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  • ore sintering

    Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke The purpose of sintering is to obtain a product with suitable composition, quality and granulometry to be used as burden material in the blast furnace This process is widely .

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  • Particulate Sintering of Iron Ore and Empirical Analysis ...

    Jan 15, 2015· Particulate Sintering of Iron Ore and Empirical Analysis of Sintering Time Based on Coke Breeze 47 | Page analysis and comparison of these three sets of sintering times; per unit rise in ignition temperature and per unit coke breeze input concentration shows proximate agreement and a significantly high level of derived ...

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  • Minerals | Free Full-Text | Measurement of Process ...

    Iron ore sintering is undertaken at steelworks to produce coarse and competent feed for the iron blast furnace from iron ore fines and secondary iron oxide sources. In the sintering process, a blend of iron oxide fines (<6 mm) is mixed and agglomerated with the addition of fluxes, return sinter and coke breeze.

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  • ore sintering

    Other articles where Coke breeze is discussed: iron processing: Sintering:,of fine coke (known as coke breeze) within the ore generates the necessary heat Before being delivered to the sinter machine, the ore mixture is moistened to cause fine particles to stick to larger ones, and then the appropriate amount of coke .

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  • What is the sinter? - Quora

    Sep 24, 2017· Sinter is an agglomerated form of iron ore fines in which ore particles are bonded by applying incipient fusion at the contact surface.formation of diffusion bonds through recrystallization and crystal growth of hematite and magnetite,which keep the particles together without melting.

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  • sintering of iron ore fines

    125 Iron And Steel Production, The sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated product, sinter, of suitable size for charging into the blast furnace The raw materials are sometimes mixed with water to provide a cohesive matrix, and then ....

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  • iron ore sintering process ppt

    In 1905, EJ Savelsberg developed the process of iron ore sintering with the sintering mixture containing coal and coke breeze (German patent number 210742). In 1906, AS Dwight and RL Lloyd both of USA invented a belt type sinter machine for vacuum sintering.

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  • Development of carbon composite iron ore ... - SpringerLink

    Jan 29, 2015· Iron ore microfines and concentrate have very limited uses in sintering processes. They are used in pelletization; however, this process is cost intensive. Furthermore, the microfines of non-coking coal and other carbon-bearing materials, e.g., blast-furnace flue dust (BFD) and coke fines, are not used extensively in the metallurgical industry because of operational difficulties and handling problems.

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  • CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

    consists of a cellular mass of ore bonded in a slag matrix. The sinter mix, besides the ore fines, usually contains other materials like flue dust, return fines, limestone and/or dolomite etc., in order to control the properties of the product as well as to utilize industrial waste. Return sinter fines having lower fusion temperature than the raw mix serve as seeds for initiation of the sintering process.

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  • Alternate carbon sources for sintering of iron ore (Acasos ...

    Alternate carbon sources for sintering of iron ore (Acasos) In the RFCS project ''Acasos'', alternative carbon sources, for example olive pits, sunflower husks, blast furnace (BF) dust and sludge, anthracite and pet coke, were analysed, pre-treated and evaluated by sinter pot tests and industrial sinter plant trials. It was found that pre-treatment is essential for the utilisation of alternate carbon sources.

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  • Control of the grain size distribution of T the raw ...

    of coke breeze and flux in sinter mixes have been studied15–17 as well as the use of coarse iron ore particles10,18,19. Bhagat et al.15 reported that the micro-porosity of the sinter and its reducibility increased with a decrease in the size range of the coke breeze. .

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  • THE THERMOVISION MEASUREMENT OF TEMPERATURE IN .

    For the experiments, iron ore, iron concentrate, dolomite, limestone, coke breeze, and sawdust from oak-wood were used. In the experiments following parameters of sintering charge were considered: (Fe total = 44%, basicity = 1.6, moisture = 10%, content of fuel = 3.8%). The process

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  • Technical Report UDC 622 . 785 . 5 : 548 . 73 ...

    sintered ore, which is an important iron source accounting for more than 70% of the blast furnace burden in the Asia-Pacific region. Sin-tered ore is produced by mixing fine iron ore with limestone (flux) and coke breeze (heating fuel), granulating the mixture into pseu-do-particles, heating them by combustion of the fine coke to 1450

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  • PHASE COMPOSITION OF IRON ORE SINTERS PRODUCED .

    The sinter produced using a conventional fuel – coke breeze – served as a reference sample representing the standard composition of the sinter charge. In other cases a part of coke was replaced with alternative fuels of biomass - charcoal and walnut shells with the same grain size as was the coke breeze size.

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  • Particulate Sintering of Iron Ore and Empirical Analysis ...

    Jan 15, 2015· Particulate Sintering of Iron Ore and Empirical Analysis of Sintering Time Based on Coke Breeze 47 | Page analysis and comparison of these three sets of sintering times; per unit rise in ignition temperature and per unit coke breeze input concentration shows proximate agreement and a significantly high level of derived ...

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  • Sintering: A Step Between Mining Iron Ore and Steelmaking

    Sinter is the primary feed material for making iron and steel in a blast furnace. According to the U.S. Environmental Protection Agency, the sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated product, sinter, of suitable size for charging into the blast furnace.

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  • Granulation of Coke Breeze Fine for Using in the Sintering ...

    and coke breeze granules were almost the same. The iron ore sinter which was produced by using coke breeze without sieving yielded low productivity for both sinter machine and blast furnace. Furthermore, using coke breeze without sieving in sintering of an iron ore decreases the vertical velocity of sinter machine and increases the reduction time.

    Sintering Technology for Iron ores and Optimization of ...

    Raw materials consisting of iron ore fines, coke breeze, slag modifiers such as lime stone, dolomite, manganese ore, lime, quartzite, and sand etc., and waste materials such as mill scale, screenings, dusts, sludges, and converter slags etc. are batched and conveyed to a blending system.

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  • Modeling Sintering Process of Iron Ore - Open

    Modeling Sintering Process of Iron Ore 25 Fig. 2. Thermal cycle of the materials in the sinter strand. Several attempts have been done to predict the final properties of the sinter product (Water et al. 1989, Kasai et al. 1989, 1991). The most important parameters are reducibility,

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  • Influence of Coke Combustion on NOx Emission during Iron ...

    This paper explores NOx emission during iron ore sintering on a pilot-scale pot. A novel technique of using a three-layered bed structure was adopted to study the role of coke level, properties and combustion behavior on NOx emission. In addition, the lime content of the mix was also altered to understand the effect of the melt formation process.

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  • Sintering studies of Iron Ore Fines of Hospet-Sandur ...

    ore, f) lime dust and g) Coke breeze were obtained from M/s Hospet Steel Plant site. All the additives received are chemically analysed and the results are given in Table 2. (b) Preparation of Sinter Charge The Sinter charge was prepared on the basis of basicity .

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  • GOVERNMENT POLYTECHNIC DHANBAD

    sinter with the size and strength characteristics necessary for feeding into the blast furnace. It is basically an agglomeration process achieved through combustion. The iron ore sintering is carried out by putting mixture of iron bearing fines mixed with coke breeze on as permeable grate. The top layer of this sinter bed is This PDF file is ...

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