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straight grate induration machine length

STRAIGHT GRATE INDURATION MACHINES - FE Techno

Straight grate induration machine for 100% hematite. Working area – 189 m Construction of pelletizing plant no.3 with straight grate induration machine

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Mathematical model for a straight grate iron ore pellet ...

Dec 01, 2008  length in furnace (m) z. ... Energy consumption by the induration machine is, ... The highly integrated nature of the pellets and the gas flow throughout the

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Dynamic simulation of pellet induration process in ...

Dec 05, 2008  Description of induration process in straight-grate machine. Fig. 1 depicts schematic of a typical straight-grate induration system. The grate bars fixed

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Eiaion of Wae ea fro Ehau ae of an ron re elleiing lan in ran

Straight grate indurating machine is used for the induration of the pellets. The induration area has been designed as a traveling grate method. Under normal

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Virtual indurator: A tool for simulation of induration of ...

Jun 16, 2009  The induration process time for the pot grate simulation was computed using the industrial moving grate length and grate speed data provided in Table 1.

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COMBUSTION AND EMISSION CHALLENGES AT LKAB

Figure 1. Sketch of an indurating machine in a Straight-Grate plant. Figure 2: Cross-section of the induration machine in the burner section. 1.2 NOx emission

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indurating machine used in pellet plant

Mathematical model for a straight grate iron ore pellet induration ... May 9, 2008 ... ferent zones of a typical industrial plant. Different conditions .... the

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(PDF) CFD model of a straight-grate furnace for iron oxide ...

PDF A three-dimensional CFD model of a straight grate furnace for indurating iron-oxide pellets was developed for exploring conditions of furnace... Find, read

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(PDF) Iron Ore Pelletizing Process: An Overview

Oct 06, 2017  The drums usually have a length-to-diameter ratio of 2.5 ... The most widely used industrial processes for pellet induration are the straight grate and the.

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Mathematical model for a straight grate iron ore pellet ...

Dec 01, 2008  length in furnace (m) z. ... Energy consumption by the induration machine is, ... The highly integrated nature of the pellets and the gas flow throughout the straight grate induration system means that small changes in the process conditions are reflected throughout the whole operation . The main usefulness of the developed model over a range ...

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Dynamic simulation of pellet induration process in ...

Dec 05, 2008  Description of induration process in straight-grate machine. Fig. 1 depicts schematic of a typical straight-grate induration system. The grate bars fixed on a moving strand are first covered with a layer of burnt pellet, known as hearth-layer. The green pellets containing 7 to 9 wt.% free moisture and 10 to 14 mm in size are then fed onto this ...

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Dynamic simulation of pellet induration process in ...

A mathematical model of pellet induration process in the straight-grate system is presented. The important physical and chemical phenomena known to affect the heat and mass transfer in the process ...

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Virtual indurator: A tool for simulation of induration of ...

Jun 16, 2009  The induration process time for the pot grate simulation was computed using the industrial moving grate length and grate speed data provided in Table 1. Similarly, the inlet gas temperatures during recuperation were assigned based on the recuperating hood temperature profile provided in Table 1, after converting grate length to process time ...

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COMBUSTION AND EMISSION CHALLENGES AT LKAB

Figure 1. Sketch of an indurating machine in a Straight-Grate plant. Figure 2: Cross-section of the induration machine in the burner section. 1.2 NOx emission reduction methods NOx emissions from the oil burners in the MK3 grate kiln are mostly from the thermal mechanism due to the high peak flame temperatures and high oxygen concentrations.

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SINTERING AND PELLETISATION OF INDIAN IRON ORES

Green balls are first dried and preheated on the straight grate followed by ... Travelling grate machine used for induration of green pellets resembles the ... stationary hood above the entire grate length with burner system in the firing zone. b. Bottom part is composed of the stationary wind boxes connected with

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(PDF) CFD model of a straight-grate furnace for iron oxide ...

PDF A three-dimensional CFD model of a straight grate furnace for indurating iron-oxide pellets was developed for exploring conditions of furnace... Find, read and cite all the research you ...

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(PDF) Iron Ore Pelletizing Process: An Overview

Oct 06, 2017  The drums usually have a length-to-diameter ratio of 2.5 ... The most widely used industrial processes for pellet induration are the straight grate and the. grate-kiln.

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Traveling Grate Pelletizing Plant - Metso 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 RD, our process produces uniform pellets and ensures high performance and quality, with low investment and operating costs, as well ...

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Iron Ore Pelletizing Process: An Overview IntechOpen

Jul 11, 2018  The drums usually have a length-to-diameter ratio of 2.5–3.5 and very low slope with angles of inclination of the drum axis to the horizontal between 6 and 10°. ... The most widely used industrial processes for pellet induration are the straight grate and the grate-kiln.

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Energy-Efficient Indurating Machine of the Fourth ...

Aug 03, 2020  The thermal scheme and the main elements of a new-generation energy-efficient indurating machine are presented in Fig. 1. The straight-grate indurating machine includes a movable grate (1) composed of pallet cars that sequentially transports the raw pellets loaded thereon it through the following process zones: drying (2), heating (3), induration (4), after-firing (5), and cooling (6).

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process of indurarating machine

STRAIGHT GRATE INDURATION MACHINES. Oct 23, 2020 High-sulfur magnetite concentrate can be used as a raw material for pelletizing process in iron-making industry; and sulfur removal can occur in the indurating machine via roasting phenomenon.

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siemens-vai/CPT The circle of flexibility

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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pellet plant straight grate grate kiln capital costs

straight grate induration machine fans in philippines. Grate Kiln Iron Ore Industrial Processes Grate-Kiln Process Iron Ore Pelletising The production of Iron ore pellets is a complex business measured in millions of tons of production Pellet plants are built to meet any or a combination of criteria like Captive /

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Sintering and Pelletizing - Metso Outotec

Ensure your plant’s high performance and profitability while lowering investment and operating costs with our agglomeration technologies. Our innovative sintering and pelletizing solutions are based on over 60 years’ experience and world-class RD. Metso Outotec Traveling Grate

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Energy-Efficient Indurating Machine of the Fourth ...

Aug 03, 2020  The thermal scheme and the main elements of a new-generation energy-efficient indurating machine are presented in Fig. 1. The straight-grate indurating machine includes a movable grate (1) composed of pallet cars that sequentially transports the raw pellets loaded thereon it through the following process zones: drying (2), heating (3), induration (4), after-firing (5), and cooling (6).

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The grate-kiln induration machine - History, advantages ...

The heat hardening or induration of pellets is typically done in shaft furnaces, grate-kiln systems or on straight grates. Rotary kilns were originally developed in the late 19th century for ...

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Development and validation of a mathematical model for the ...

Jun 01, 1979  Most of this is in straight grate indurators, commonly of at least 3 million t.p.a, capacity, in which drying and thermal hardening of the pellets is completed on a moving strand. The straight grate induration process is highly interactive with significant transport and product quality measurement delays (Batterham et al., 1977).

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Iron ore pelletizing - Metso Outotec

The on-size pellets are then fed to the induration machine. Both straight grates and grate kilns dry the pellets out in a drying section, then bring the pellets up to a temperature of about 800-900 °C in a preheat zone, then finish the induration process at roughly 1200-1350 °C.

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siemens-vai/CPT The circle of flexibility

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.

Read More
(PDF) Iron Ore Pelletizing Process: An Overview

Oct 06, 2017  The drums usually have a length-to-diameter ratio of 2.5 ... The most widely used industrial processes for pellet induration are the straight grate and the. grate-kiln.

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CIRCULAR PELLETIZING TECHNOLOGY – A REVOLUTIONARY

The length of each zone is designed on the basis of the results from pot grate tests conducted on the ores to determine their pelletizing characteristics. Exhaust gases from the wind boxes and hood are cleaned in electrostatic precipitators (ESP) or in a bag filter system. Figure 2 shows the various process zones of the induration furnace and the

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Usage of High-LOI Iron Ore Fines in Pellet Making ...

Jun 08, 2019  The schematic diagram of the straight grate induration process is shown in Fig. ... 100% high-LOI iron ore in the blend and optimization of induration machine parameters.Optimization of drying and preheating time and temperature as well as firing temperature was carried out using rising hearth furnace. The drying time was varied from 6 to 16 ...

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Pellet Plant Process Flow Chart With Straight Grate Technology

straight grate induration machine suppliers and straight ... pellet plant process flow chart with straight grate technology. straight grate induration process for iron ore pelletizing. Read more

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pelettzing plant indurating burner

Iron Ore Pellets Induration Solutions Metal 7. The burners are also designed to obtain the desired smaller and shorter flame which is kept inside the burner port, preventing radiation heat from reaching the pellets. The energy cost for the operation of the indurating furnace is very important. Straight grate

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Iron Ore Pelletizing Process: An Overview IntechOpen

Jul 11, 2018  The drums usually have a length-to-diameter ratio of 2.5–3.5 and very low slope with angles of inclination of the drum axis to the horizontal between 6 and 10°. ... The most widely used industrial processes for pellet induration are the straight grate and the grate-kiln.

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Iron Ore Pelletizing Grate-Kiln System Brochure - Metso ...

Process flexibility Pelletization process 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 time ...

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Metso Metso –– Iron Ore Pelletization Iron Ore ...

• Grate Kiln Induration Machine •Straight Grate Induration Machine •Pelletizing Discs / Pelletizing Drums •Roller Screens / Roller Conveyor •Reciprocating / Oscillating Conveyor •Wide Belt Conveyor •Burners •Control Systems •Beneficiation Plants •EPC package with Partner Companies 8

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