optimization of iron ore pellets using disc pelletizer

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Circular Pelletizing Technology - Metal Bulletin

Pelletizing Technology Milestones 1969 Tubarao 1 Vale, Brazil 2.0 Mt/a Hematite 1973 Tubarao 2 Vale, Brazil 3.0 Mt/a Hematite 1978 Mandovi Pellets India 1.8 Mt/a Limonite 1978 SIDOR Venezuela 2 x 3.3 Mt/a Limonite 1981 Delta Steel Nigeria 1.5 mt/a Hematite References 2015 2011 First Circular. Pelletizing Plant contracted in India Pro Minerals 1 ...

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EFFECT OF SIZE OF IRON ORE PELLETS ON ITS REDUCTION …

Use of iron ore pe llets not only increase the productivity of the plant but also produce good quality iron. So it is essential to know about the various factors which affect the reducibility of th e iron ore pellet. In our project we aim at studying the effect of size of iron ore pellet on …

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Iron ore pelletizing - Outotec

Iron Ore Pellets are formed from beneficiated or run of mine iron fines. The iron is usually ground to a very fine level and mixed with limestone or dolomite as a fluxing agent and bentonite or organic binders as a binding agent. If the ore is a Hematite ore, coke or anthracite coal can be added to the mix to work as an internal fuel to help ...

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Optimization of Disc Parameters Producing More Suitable ...

Jan 04, 2012· a rotating disc or drum to produce green pellets and subsequently indurating the same on a moving grate to produce fired pellets[1].Drum pelletizer is used for batch process while disc pelletizer is used for continuous process. At JSW Vijayanagar unit, green balls are formed using disc pelletizer. There are a total of 6 discs rotating at an average

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s2 316e - Start

In view of the increased demand for high-grade iron ore pel- lets, the company decided to set up a pellet plant with a capacity of 3.0 mill. t/a, which went into commercial opera- tion in 1987. With around 22 mill. t raw ore won exclusively in open-pit mining each year, Kudremukh is now the largest iron ore …

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Understanding Pellets and Pellet Plant Operations – IspatGuru

Mar 21, 2015· Understanding Pellets and Pellet Plant Operations. Pelletizing is an agglomeration process which converts very fine grained iron ore into balls of a certain diameter range (normally 8mm to 20 mm, also known as pellets. These pellets are suitable for …

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Pelletizing Process

include iron scrap, reduced iron pellets and reduced iron briquettes. Sintered ore is made by partially melting and sintering coarse iron ore 1 to 3mm in size into products having a size of 15 to 30mm. The sintering process uses the combustion heat of coke breeze (fuel). Pellets are made from iron ore that is …

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Online size distribution measurement of dense iron green ...

1 · The pelletizing process is a common technology used in metallurgy, chemical industry, pharmacy, and other industry fields, and can improve the flow ability, compressibility, and uniformity of powder products [].In the metallurgical industry, a mixed material of raw iron ore fines, bentonite, and other powders are conveyed onto a rotary disc with sprayed water (as shown in Fig. 1 (a)).

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Pelletizing plant optimization - digital modelling of ...

Pelletizing plant optimization through digital modelling of ironmaking and steelmaking processes Replace manual manipulations of multiple variables with smart and automatic process adjustments to obtain pellets with required properties, increase throughput, reduce energy consumption and …

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IS 11373 (1985): Guidelines for laboratory disc ...

of iron ore pellets using a laboratory disc pelletiser. These guidelines have been formulate in order to facilitate the comparison of test data from various organizations on the same pellets. For individual organi- zations, the parameter may be varied as required. 2. TEST SAMPLE

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(PDF) AUTOMATIC CONTROL OF IRON ORE PELLETS SIZE ...

AUTOMATIC CONTROL OF IRON ORE PELLETS SIZE DISTRIBUTION AT A PELLETIZING PLANT. Ricardo Freitas. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 26 Full PDFs related to this paper. Read Paper. AUTOMATIC CONTROL OF IRON ORE PELLETS SIZE DISTRIBUTION AT A PELLETIZING PLANT. Download. Related Papers. Basics in ...

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Pelletizing disc SCARABAEUS© for mineral fertilizer production

Oct 01, 2020· The requirements made on a pelletizing disc were very high: In addition to a significant capacity increase from 7.7 to 15.4 t/h, it had to improve product homogeneity, as well as product quality. Figuring out that the biological mineral fertilizer is a material mix and every pellet contains all components of the mineral resources, we developed ...

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Optimization of Induration Cycle for Magnetite Concentrate ...

Oct 26, 2020· Green pellets were prepared using a laboratory balling disc with a diameter of 450 mm, and a tilting angle of 45° at 38 rpm. The green pellets consist of 94–95% −16 + 8 mm pellets. The constant 0.5 basicity (CaO/SiO 2) was maintained for all experiments. Green mix proportion is shown in Table 4. The green pellet moisture and bentonite ...

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(PDF) Coating of iron oxide pellets for direct reduction ...

Pellets were placed in a balling disc of 60 ing can continue to be a serious issue, forcing DR cm diameter rotating at 20 rpm. Coating was applied plant operators to lower reduction temperatures and, by spraying a suspension of coating material (15% hence, to limit productivity. solids by weight) using …

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Improving reducibility of iron ore pellets by optimization ...

reference pellet. First, the reference pellets were made taking iron ore fines of Blaine fineness 2855 cm 2/g as used in TSL, whose size fractions are given in Table 1. Then the prepared pellets were characterized in green and dry condition. Dry pellets were indurated in a chamber furnace at 1325 °C, based on the plant condition.

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Traveling Grate Pelletizing Plant - Outotec

Outotec's traveling grate pelletizing plant is the industry's leading induration technology for iron ore pellet production for a wide range of plant capacities. Based on over 60 years' experience and world-class R&D, our process produces uniform pellets and ensures high performance and quality, with low investment and operating costs, as well ...

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Detection and segmentation of iron ore green pellets in ...

Jan 24, 2019· In steel manufacturing industry, powdered iron ore is agglomerated in a pelletizing disk to form iron ore green pellets. The agglomeration process is usually monitored using a camera. As pellet size distribution is one of the major measures of product quality monitoring, pellets detection and segmentation from the image are the key steps to determine the pellet size.

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Iron Ore Pellets and Pelletization Process – IspatGuru

Nov 26, 2014· Iron Ore Pellets and Pelletization Process. Pelletizing of iron ore was started in the 1950s to facilitate the utilization of finely ground iron ore concentrates in steel production. For the pelletizing of iron ore there are two main types of processes namely, the straight travelling grate (STG) process and the grate kiln (GK) process.

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pelletization process by Kshirod - SlideShare

Sep 08, 2014· The configuration of iron ore pellets as packed spheres in the blast furnace allows air to flow between the pellets, decreasing the resistance to the air that flows up through the layers of material during smelting. This is the reason that iron ore is referred in the form of pellets rather than in …

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Improving Efficiency in Iron Ore Mining Facilities

A cost effective energy optimization project for a 35 MW iron ore pellet plant is presented. Applications involving large centrifugal loads and changing flow rates were prime targets for significant energy savings. Input-output power balances of these units provide significant data to energy improvement possibilities. On site high power fans (representing 35% of plant load) feature long annual ...

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Optimization of Firing Temperature for Hematite Pellets

were prepared by mixing the iron ore fines, limestone, and bentonite and coke breeze as per Table 2. Green pellets were prepared using laboratory scale balling disc. The green pellets were prepared in such a way that it should consist of ~97% –16+8 mm size range pellets. The details of balling disc are as follows: Disc diameter: 450 mm

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Making Acid Iron Ore Pellet - 911 Metallurgist

Aug 28, 2017· The ore was mixed in a Eirich Mixer with quantities of Peridur ranging from 0.1 to 0.4% and pellets were prepared in a laboratory disk. At first the results were not satisfactory at all. The wet and dry compressive strength and drop number increased with the increasing quantity of peridur added but the resistance against the thermal shock was ...

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Pelletization of iron ore fines with parameter ...

pelletizing, wherein a mixture of iron ore, water and binder is rolled in a mechanical disc or drum to produce agglomerates (green balls or wet pellets).7‒9 The green pellet quality significantly affects the fired pellet quality. Bentonite is the most commonly used binder in iron ore Pelletization.

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Iron Ore Pelletizing Process: An Overview | IntechOpen

Jul 11, 2018· The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and low-grade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. This chapter shows the status of the pelletizing …

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PRE-FEASIBILITY REPORT (PFR)

• State Pollution control board has already given Consent to Operate for both iron ore pellet plants. • Iron Ore Pellet Plant of 0.6 Million TPA has received Consent to Operate viz letter no. 2347/TS/CECB/2011 Dated 25/07/2011 Under Water Act, 2349/TS/CECB/2011 Dated 25/07/2011 Under Air Act and is attached as (Annexure-1). • Iron Ore ...

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STRAIGHT GRATE INDURATION MACHINES

To eighties, 80% iron-ore pellets in the USSR were produced at the equipment issued by Uralmashplant. In all, for the period from 1964, Uralmashplant built about 50 straight grate induration machines of conveyor type for the ore mining and processing enterprises of Russia, Ukraine and Kazakhstan at which 90% iron-ore pellets in

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Optimization of Disc Parameters Producing More Suitable ...

Jan 04, 2012· 1. Introduction Pelletization is an agglomeration technique, beneficial with finer iron ores over other agglomeration processes .Pellet making involves balling of fine powders and dusts with addition of moisture (8.5-9.5 %) and binder in a rotating disc or drum to produce green pellets and subsequently indurating the same on a moving grate to produce fired pellets[1].Drum pelletizer is …

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Optimization of Firing Temperature for Hematite Pellets

Green pellet mixes for different level coke breeze were prepared by mixing the iron ore fines, limestone, and bentonite and coke breeze as per Table 2. Green pellets were prepared using laboratory scale balling disc. The green pellets were prepared in such a way that it should consist of ~97% –16+8 mm size range pellets.

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