iron ore pellet cooling model

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 reduces to 30 °C at the discharged end.

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

The pressure of (1) A 3-D model for the pellet cooling process in a cooler cooling air in the annular cooler varies from −4 to −130 Pa. has been developed, and a field test was systematically car- The air flow velocity is higher on both sides than that in the J.X. Feng et al., Cooling process of iron ore pellets in an annular cooler 291 ...

Pelletizing - Wikipedia

Iron ore pellets are spheres of typically 6–16 mm (0.24–0.63 in) to be used as raw material for blast furnaces.They typically contain 64%-72% Fe and various additional material adjusting the stone composition and the metallurgic properties of the pellets. Typically limestone, dolomite and olivine is added and Bentonite is used as binder.. The process of pelletizing combines …

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, …

Iron ore - Wikipedia

Available world iron ore resources. Iron is the most abundant element on earth but not in the crust. [citation needed] The extent of the accessible iron ore reserves is not known, though Lester Brown of the Worldwatch Institute suggested in 2006 that iron ore could run out within 64 years (that is, by 2070), based on 2% growth in demand per year.

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 ...

Detailed Modeling of the Direct Reduction of Iron Ore in a ...

Oct 01, 2018 · This stone addresses the modeling of the iron ore direct reduction process, a process likely to reduce CO 2 emissions from the steel industry. The shaft furnace is divided into three sections (reduction, transition, and cooling), and the model is two-dimensional (cylindrical geometry for the upper sections and conical geometry for the lower one), to correctly describe …

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.

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

Nov 01, 2015 · 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 ...

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)

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

May 29, 2011 · 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 by numerical simulation with the commercial software FLUENT.

Detailed Modeling of the Direct Reduction of Iron Ore in a ...

11 Abstract: This stone addresses the modeling of the iron ore direct reduction process in the context 12 of the reduction in CO2 emissions from the steel industry. The shaft furnace is divided into three 13 sections (reduction, transition, and cooling), and the model is …

Iron Ore and Pellets - Vale

Vale is the world’s biggest producer of iron ore and pellets, raw materials essential to the manufacture of steel. Iron ore is found in nature in the form of rocks, mixed with other elements. By means of various industrial processes incorporating cutting-edge technology, iron ore is processed and then sold to steel companies.

ADAPTIVE NEURO FUZZY MODEL FOR PREDICTING THE COLD ...

Strength of iron ore pellet in straight grate indurating machine from 12 input variables. The model ... have made a mathematical model for the induration process of the iron-ore pellet based on the laws of heat, mass and momentum transfer. ... drying, downdraft drying, after firing and cooling. The pellets are heated to about 500 to 1000°C in ...

(PDF) Prediction Model of Iron Ore Pellet Ambient Strength ...

Prediction Model of Iron Ore Pellet Ambient Strength and Sensitivity Analysis on the Influence Factors. ... and cooling. The schematic diagram. of the pelletizing process is shown in Figure 1.

liming –– Iron Ore Pelletization Iron Ore ...

Straight Grate iron ore pelletizing system Principles of operation • In this process, the wet pellets are dried, preheated, indurated, and cooled on a continuous moving grate without intermediate transfers. •The process air introduced for pellet cooling is circulated from the cooling zone of the grate in a multi-pass manner to the other process

Estimation of Waste Heat from Exhaust Gases of an Iron Ore ...

Waste heat from the exhaust gases of Golgohar iron ore pelletizing Plant, in Sirjan, Iran, was studied using energy analysis based on input data extracted from measurements in a 5-month period. Constituents considered as inputs were fresh air, natural gas, green and indurated pellets, while the exhaust flue gas and hot indurated pellets were served as the output.

SAFETY DATA SHEET - algoma.msdsworld.com

SAFETY DATA SHEET 1. Identification Product identifier Cleveland-Cliffs, Inc. Iron Ore Pellets And Fines ... United Taconite Flux Pellet, United Taconite Iron Ore Fines, United Taconite Ore Fines. Synonyms Recommended use Iron ore pellets are the primary raw material used in …

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