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iron ore pellet cooling model

Optimization of Cooling Process of Iron Ore Pellets Based ...

Issue 11 Optimization of Cooling Process of Iron Ore Pellets Based on Mathematical Model and Data Mining 1005 At the fixed throughput, feed temperature determines the system energy. Although the discrepancy of off-gas tem- perature is about 200 °C at the feed end, it …

11.23 Taconite Ore Processing - US EPA

PELLET COOLING BC PELLET SCREENING BD PELLET STORAGE BE BF BG BH ... Pelletization is the third major step in taconite ore processing. Iron ore concentrates must be ... Acid pellets are produced from iron ore and a binder only, and flux pellets are produced by adding between 1 and 10 percent limestone to the ore and binder before pelletization ...

Pelletizing Process

Pelletizing Process Shinichi YAMAGUCHI*1, Takeshi FUJII *1, ... Pellets are made from iron ore that is finer than that used for sintered ore. The ore fine is formed into spheroids, called green balls, approximately ... preheating, firing and cooling.

Mathematical Model For Energy Saving In Induration Of Iron ...

Abstract Mathematical model for a pilot scale iron ore pellet induration furnace has been developed which considers the process of induration including the reactions of limestone, magnetite and coke. The differential equations of energy, mass and momentum are solved simultaneously. The profiles of temperature, pressure and concentration are obtained.

Sinter plant - Wikipedia

Main feed into a sinter plant is base mix, which consists of iron ore fines, coke fines and flux (limestone) fines. In addition to base mix, coke fines, flux fines, sinter fines, iron dust (collected from plant de-dusting system & ESP) and plant waste are mixed in proportion (by weight) in a rotary drum, often called mixing and nodulizing drum.

Review of Organic Binders for Iron Ore Agglomeration

Review of Organic Binders for Iron Ore Agglomeration J.A. Halt, S. Komar Kawatra . ... promoting sintering of iron oxide grains in the pellet. Upon cooling, it adds additional solid bonds. Contrarily, purely organic binders burn away during thermal treatment, ... iron ore pellet makers and consumers desire pellets that a) are strong enough to ...

Cooling process of iron ore pellets in an annular cooler ...

A 3-D mathematical model was presented for the cooling process of iron ore pellets based on the laws of mass, momentum, and heat transfer. The flow, pressure, and temperature fields were obtained ...

Iron ore pelletizing systems -

Iron ore pelletizing systems. Iron ore fines are agglomerated into pellets and then indurated using a furnace to create iron ore pellets. These are typically fed to a blast furnace or DRI plant as part of the process to make steel.

White paper Optimizing iron ore agglomeration plant ...

White paper: Optimizing iron ore agglomeration plant performance 3 Besides the risk of increased energy costs per ton of pellets, fluctuations in plant operation can also negatively impact product quality due to poorly optimized operation. Parameters such as pellet strength and diameter can be affected by sub-optimal plant operation, resulting in

Avery Morse - conservancy.umn.edu

processing of the iron ore pellets. The properties of the pellets are critical for shipping and the final destination of the blast furnaces. The three main parts of thermal processing were drying firing and cooling. Drying removes the moisture from the pellets before it is fired. The firing starts the oxidation reaction to harden the pellets.

IRON ORE PELLET PLANT ANNULAR COOLER IMPORTANT PART - …

Nov 20, 2017· An annular cooler is a turntable that holds the hot pellets. The ambient air is blown through the hot pellets. The turntable is made of wedge shaped pans. The pellets fall out of the kiln directly ...

Circular Pelletizing Technology - metalbulletin.com

The Challenge of making iron ore pellets Typical Flow Sheet of a Pelletizing Plant ... 1 Iron ore grinding Dosing & Mixing Induration furnace Product intermediate bin 2 Additive storage & grinding Green balling Product classification Process gas cleaning ... 9Combination with the simulation model for pelletizing allows very accurate up

allis-chalmers grate/kiln/cooler process, iron ore pellet ...

iron ore pellet cooling model – beltconveyers.net. Mathematical model grate-kiln-cooler process iron ore pellets – OneMine Mining and Minerals Library search results. Cooling process of iron ore pellets in an annular cooler. »More detailed

(PDF) Cooling process of iron ore pellets in an annular ...

Cooling process of iron ore pellets in an annular cooler. International Journal of Minerals, Metallurgy, and Materials, 2011. Jun Feng. Download with Google Download with Facebook or download with email. Cooling process of iron ore pellets in an annular cooler. Download.

Optimization of Cooling Process of Iron Ore Pellets Based ...

Cooling process of iron ore pellets in a circular cooler has great impacts on the pellet quality and systematic energy exploitation. However, multi-variables and non-visualization of this gray system is unfavorable to efficient production. Thus, the cooling process of iron ore pellets was optimized using mathematical model and data mining ...

Modelling of a Pilot Scale Iron Ore Pellet Induration ...

AbstractIn this work, a mathematical model of the pilot scale iron ore pellet induration furnace is presented. The validity of the model has been verified by performing separate experiments of subprocesses: drying, firing and cooling. The experiments were performed in such a way that the phenomena of heat transfer, drying and coke combustion could be studied separately.

Iron ore pelletizing Grate-KilnTM system

Iron ore pelletizing 3 Process flexibility There are two main processes for producing iron ore pellets: The Grate-Kiln system and the straight grate system. In the straight grate system, a continuous parade of grate cars moves at the same speed though the drying, induration and cooling zones. Any change in one section effects the residence

Study of the induration phenomena in single pellet to ...

Study of the induration phenomena in single pellet to traveling grate furnace. ... although the rate of heating and cooling are strongly dependent on the pellet diameter. ... J.A. ThurlbyA dynamic mathematical model of the complete grate/kiln iron ore pellet induration process.

Modeling and Simulation of the MIDREX Shaft Furnace ...

Aug 21, 2015· The reduction zone considered as a counter current gas–solid reactor produces sponge iron from iron ore pellets. The transition zone has sufficient height to isolate the reduction zone and cooling zone from each other and the cooling zone cools the solid product down to around 50°C. Each zone has a system of reactions.

iron ore pellet cooling model - riversidevets.co.za

Circular Cooler For Iron Ore Pellet Plant . Annular cooler, circular cooler . Circular Cooler is one of the main equipments in pelletizing process project, which is used for cooling the hot pellet from the rotary kiln, and also for absorbing the heat from the hot pellet, for reusing in the former process, to reduce the energy consumption of the whole process.

Pelletizing - Wikipedia

The formation of raw iron ore pellets, also known as pelletizing, has the objective of producing pellets in an appropriate band of sizes and with mechanical properties high usefulness during the stresses of transference, transport, and use. Both mechanical force and thermal processes are used to produce the correct pellet properties.

Iron Furnace Problem What is the porosity distribution in ...

What is the porosity distribution in the iron ore hopper? KSG 2011 Iron Furnace Problem What is the porosity distribution in the iron ore hopper? Problem presented by Mansour Al-Harbi Saudi Basic Industries Corporation (SABIC) Executive Summary In the processing of iron ore, pellets are funneled into a furnace and reduced by contact with a gas.

Improving reducibility of iron ore pellets by optimization ...

IMPROVING REDUCIBILITY OF IRON ORE PELLETS BY OPTIMIZATION OF PHYSICAL PARAMETERS J. Pal a*, S. Ghorai a, A. Ammasi a, S.K. Hota b, V.M. Koranne b, T. Venugopalan b a CSIR-National Metallurgical Laboratory, Jamshedpur, India b Tata Steel Ltd., Jamshedpur, India (Received 06 December 2015; accepted 27 April 2016)

FLUID FLOW AND HEAT TRANSFER WITHIN AND AROUND A …

FLUID FLOW AND HEAT TRANSFER WITHIN AND AROUND A POROUS IRON ORE PELLET PLACED IN INFINITE SPACE A-L. Ljung1, T.S. Lundström1 and K. Tano2 ... cooling zone. Throughout the process, pellets are ... - Based on the properties of grained ore, the model porous cylinder is built up by spherical particles with

OUTOTEC TRAVELING GRATE SINTERING

Outotec Traveling Grate Sintering is based on our extensive experience and continuous R&D in fine-ore preparation and agglomeration. The process is suitable for sintering a wide range of raw materials, including iron, manganese, and nickel ores. Our innovative technologies, including industry-leading process automation

Optimization of a simulated iron-oxide pellets induration ...

The preparation of iron ore concentrates for iron and steel-making industries usually requires stages of ore concentration and agglomeration of iron oxide pellets. The agglomerated pellets are sintered in an induration furnace in order to give them the necessary mechanical properties for their handling and transportation to the reduction site.

SIMULATION OF HEAT TRANSFER AND FLUID FLOW IN A …

SIMULATION OF HEAT TRANSFER AND FLUID FLOW IN A POROUS BED OF IRON ORE PELLETS DURING UP- DRAUGHT DRYING Anna-Lena LJUNG1, T. Staffan LUNDSTRÖM1 and Kent TANO2 1 Division of Fluid Mechanics, Luleå University of Technology, SE- 971 87, Luleå, Sweden 2 LKAB, Research and Development, SE- 983 81, Malmberget, Sweden ABSTRACT