Straight Grate Induration Equipment Fans
Optimizing the operation of straight-grate iron-ore pellet induration …
Mathematical models of straight-grate pellet induration processes have been developed and carefully validated by a number of workers over the past two decades. However, the subsequent exploitation of these models in process optimization is less clear, but obviously requires a sound understanding of how the key factors control the operation. In this article, we …
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An integrated optimal control model for the …
Wang Y, Fan X, Chen X. Mathematical models and expert system for grate-kiln process of iron ore oxide pellet production (Part I): mathematical models of grate process. ... Mitra K, Majumder S. Successive approximate …
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Iron ore sintering and pellet induration processes
In this work, a mathematical model for the straight-grate pellet induration furnace is presented. The induration furnace is an equipment used for the efficient heat and mass transfer between the … Expand. 2. Save. Review on mathematical models for travelling-grate iron oxide pellet induration furnaces.
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STRAIGHT GRATE INDURATION MACHINES
Straight grate induration machine for hematite. Working area – 189 m Construction of pelletizing plant no.3 with straight grate induration machine "МОК-592М". Working area – 592 m Pallets 4.0х1.5 Reconstruction of straight grate induration machine Lurgi-278 "B" Working area – 278 m Balling Disk "ОЧ-7500"
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Pelletization Solutions
Grate-Kiln system Straight grate systems Consistent pellet quality, lowest operating costs Maximizing output, minimizing capital cost The Grate-Kiln induration machine is composed of three separate pieces of equipment; the Traveling …
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Optimization of pellet production process parameters in grate …
Sadrnezhaad S K, Ferdowsi A, Payab H. Mathematical model for a straight grate iron ore pellet induration process of industrial scale [J]. Computational Materials Science, 2008, 44(2): 296-302. [10] Majumder S, Natekar P V, Runkana V. Virtual Indurator: A tool for simulation of induration of wet iron ore pellets on a moving grate [J].
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Mathematical model for a straight grate iron ore pellet induration
Straight grate furnaces are widely used for induration of hematite pellets where typically 1%–2% carbon is added to the green mix to help in generating heat by combustion.
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Energy and exergy analyses of a mixed fuel-fired grate–kiln …
Thurlby JA. A dynamic mathematical model of the complete grate/kiln iron-ore pellet induration process. Metall Trans B 1988;19B(1):103–12. [5] Thurlby JA. Gas flow and pressure balancing in modeling grate/kiln induration. Metall Trans B 1988;19B(1):113–21. [6] Thurlby JA. Energy cost minimization in grate/kiln induration.
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(PDF) Pellet Induration Process Software
One important constrain in plant operational practice is the temperature of fans, as excessive temperature may damage these equipment - in particular that of the recovery fan (Fan 3 in Fig. 2). Fans temperatures are measured online in the studied TGF plant and were available to comparison with model results (Table 4). Table 4.
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Dynamic simulation of pellet induration process in …
The heat hardening or "induration" of pellets employs one of the three conventional furnace types: vertical shaft furnace, grate-kiln system, and travelling straight grate. The latter …
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THE CIRCLE OF FLEXIBILITY CIRCULAR PELLETIZING …
Contrary to straight-grate systems where one-half of the induration grate is returned empty to the charging station, the circular-grate design of a CPT plant means that the equipment utilization can be fully optimized. Not only can the required grate length for a given output be significantly reduced with CPT, energy costs are also reduced.
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Successive approximate model based multi-objective …
DOI: 10.1016/J.CES.2011.03.041 Corpus ID: 111269584; Successive approximate model based multi-objective optimization for an industrial straight grate iron ore induration process using evolutionary algorithm
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Formulating iron ore pellet induration process in an …
In a straight grate induration system, hot gases are used for the thermal treatment of the pellets. ... There are fans employed to supply air/gas required for …
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Development and validation of a mathematical model for the moving grate
DOI: 10.1016/0301-7516(79)90031-0 Corpus ID: 98573752; Development and validation of a mathematical model for the moving grate induration of iron ore pellets @article{Thurlby1979DevelopmentAV, title={Development and validation of a mathematical model for the moving grate induration of iron ore pellets}, author={J. A. Thurlby and Robin J. …
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Modelling of heat transfer in a straight grate …
Straight grate furnaces are widely used for induration of hematite pellets where typically 1%–2% carbon is added to the green mix to help in generating heat by combustion.
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Traveling grate pelletizing
Traveling grate pelletizing Outotec Traveling Grate Pelletizing is the industry's leading induration technology for iron ore pellet processing and is designed for a wide range of plant …
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Overall comparison of straight grate (SG) and grate-kiln …
Secondly, the boron additive slag bonds and the additional silica slag bonds it induces at lower induration temperatures help reinforce the pellets' compressive strength (Sivrikaya & Arol, 2010 ...
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Iron ore pelletization
pending on practical circumstances, such as iron ore reserves, iron ore types, mar-ket demand, and required investment. The ratio for grate-kiln pellets has increased
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Optimization of Pellet Plant Straight Grate Induration …
In the straight grate induration process, the green pel-lets are subjected to different zones like drying, preheat-ing, firing, and cooling. In general, the high alumina pel-lets are associated with high LOI. The presence of high LOI in the final concentrate deteriorates the quality of the pellets [7]. The LOI of the ore indeed affects the quality
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Pelletizing Process
a straight grate system. Raw material Balling disc Green ball Comments Straight-Grate Grate-Kiln-Cooler No. Items Pellet quality 1 Grate-Kiln-Cooler process enables all pellets to be uniformly and adequately heat-hardened by tumbling action and be held at the peak temperature for longer period than in Straight-Grate. a) Uniformity
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Development and Evaluation of a Furnace for Lab …
Firing temperature and heating rates o f different induration equipment (data ... fan responsible to pr ... 15 C ross M, Blot P. Optimizing the Operation of Straight-Grate Iron-Ore Pellet Induration .
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-Block diagram of the drying, heating, and cooling zones in …
Download scientific diagram | -Block diagram of the drying, heating, and cooling zones in an iron-oxide pellet straight grate induration furnace. Pellets are fed at the right side. Cooling air ...
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Pelletization Solutions
The Straight grate induration machine is a continuous flow of pallet cars that move through drying, preheating, indurating, and cooling without intermediate transfers. ... The Grate-Kiln …
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GUIDELINES FOR SELECTING PELLET PLANT
Key Words: Iron ore pelletizing; Induration; Straight grate; Grate-kiln; Pellet plant ... Cooling Air Fan Updraft Drying Fan Hood Exhaust Fan Windbox Exhaust Fan Recuperation Fan Stack.
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Modelling, Optimization and Control of Straight Grate …
Straight grate induration furnace is a kind of moving bed cross-flow reactor in which the hot ... 2017), grate-kiln systems (Thurlby, 1988a,b; Fan et al., 2015; Tan et al., 2016), and pot grate furnace (Kucukada et al., 1994; Seshadri and Pereira, 1985). Voskamp and Brasz (1975) have simulated the straight grate induration furnace by using
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Virtual indurator: A tool for simulation of induration of wet …
Straight grate furnaces are widely used for induration of hematite pellets where typically 1%–2% carbon is added to the green mix to help in generating heat by combustion.
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Mathematical models and expert system for grate-kiln …
Grate process is an important step in grate-kiln pellet production. However, as a relatively closed system, the process on grate is inaccessible to direct detection, therefore, it is hard to control. As a result, mathematical models of temperature distribution, moisture distribution and oxidation degree distribution in pellet bed, with good universality, computation speed and …
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IRON ORE PELLETIZING PROCESS
Figure 3. Schematic diagram of the straight grate induration process /straight grate pelletizing process (Mourão et al., 2013).
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An integrated optimal control model for the …
The drying and preheating process plays a crucial role in the induration of iron ore pellets. It is conducted on a closed, moving bed in both the straight grate and grate-kiln processes. The internal state of the pellet bed …
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A Mathematical Model for Straight-Grate Iron Oxide Pellet …
In this work, a mathematical model for the straight-grate pellet induration furnace is presented. The induration furnace is an equipment used for the efficient heat and mass …
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