sintering process of iron ore in jsw

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A Novel Sintering Process for Porous Iron Ore Sintering with ... Springer

The present work proposes a novel process to sinter porous iron ore (porosity ~2324%) with enhanced productivity and quality. The iron ore is preprocessed in the presence of calcined lime for the temporary closure of pores, which further prevents water absorption during the granulation process in drum in the presence of water. The calcined lime coated iron ore provides surface coating on ...

Improving the Physical Properties of Sinter by usage of HMDS Slag Case ...

HMDS Slag contains high amount of CaO, iron, and MgO, thus recycling it through sintering process helps in the saving of flux and iron ore. The recycled wastes have some effect on sinter quality, strength and productivity. JSW Steel Limited is a Mtpa integrated steel plant and produces 1400 to 1500 tons of HMDS Slag per day.

Influence of Alumina on Iron Ore Sinter Properties and Productivity in ...

JSW Steel Limited, Toranagallu 583119, Bellary, Karnataka, India. Search for more papers by this author. Mahapatra, ... The selective granulation process is a new sintering process for high alumina iron ore fines, and can eliminate the adverse effects of 'hard to sinter' or 'unsuitable for ironmaking' ores. ...

Mineralogical Aspects of Reducing Lump Iron Ore, Pellets ... Springer

Abstract Iron ore, pellets, and sinter were reduced with hydrogen at 800 °C to understand the degree of reduction and the mineralogical aspects. The weight loss of goethite and limonite iron ore was noticed to be lower than that of magnetite and hematite varieties. Xray diffractometry (XRD) indicated 100 pct Fe in the case of hematite, 93 pct in magnetite, 53 pct in goethite, and as low as ...

Use of Banded Hematite Quartzite (BHQ) in Blast Furnace for ... Springer

Lump iron ore, fluxed/superfluxed sinter and acid/basic pellets are the major iron bearing materials. Because of high SiO 2 and Al 2 O 3 content in iron bearing materials, limestone and dolomite as fluxes are added in sintering process to promote the formation of low melting slag which helps in achieving the desired sinter properties.

Sinter Plant Presentation (Sinter Operation) [PDF Document]

For Example : BF Iron ore fines, Sinter fines, Pellet fines, Coke fines Flue Dust SMS Slag, Gas cleaning plant dust Sponge Iron Plant SIP Sludge, Iron Ore fines Rolling Mill Mill scale Iron Ore mines Iron Ore fines. Sintering process caught attention of steel plant managers around the world to take care of waste generated in the steel ...

Influence of sinter grate suction pressure (flame front speed) on ...

In the iron ore sintering process, the resistance to air flow is a major factor in deciding the flame front speed, which influences the sinter productivity and quality.

Optimization of iron ore sintering process based on ELM ... ResearchGate

The proportioning of iron ore is the first step of the sintering process. It mixes different kinds of iron ores with coke, limestone, dolomite, and returned sinter to produce a raw mix for the ...

Optimisation of FeO in iron ore sinter at JSW Steel Limited

Abstract Coke breeze is the most common fuel used in sintering, and its usage depends on the alumina content and fineness of the sinter mix. The coke breeze consumption in the JSW Steel Limited sinter plant was high compared to many other sinter plants in the world, and as there was a local shortage, optimisation in the sinter plants was necessary. FeO is an indicator of the thermal state of ...

RateLimiting Mechanism in Iron Ore Sintering Process with ... Springer

In the iron ore sintering process, sinter mix consisting of the fines of iron ore, limestone, dolomite and solid fuel is mixed with water, granulated and charged on a traveling grate. The top layer is ignited, and the atmospheric air is continuously drawn through the bed. ... JSW Steel Ltd, Vijayanagar Works, Toranagallu, Karnataka, 583275, India.

Influence of sinter basicity (CaO/SiO 2 ) on low and high alumina iron ...

At present, the alumina content in the sinter grade iron ore fines at JSW Steel varies from 4 to 6%. The quality of iron ore presently being used calls for extensive investigations to produce low ...

(PDF) Iron Ore Sintering: Quality Indices ResearchGate

Abstract and Figures. Sinter plants process a mixture of iron ore fines, recycled ironmaking products, slagforming agents and solid fuel (coke) with the finality of obtaining a product with the ...

Basics of Iron Ore Sintering | SpringerLink

Abstract. In iron making process, sintering of iron ore fines is an integral step to utilize not only the ore fines but also to introduce a part of flux (limestone and dolomite) along with the sinter in blast furnace burden. In this way, the productivity of the furnace considerably improves. In this paper, some fundamental aspects such as the ...

A Sintering Ore Blending Optimization Model Based on "Iron Increase and ...

This chapter contains sections titled: Introduction Comparison of the Property of Iron Ore before and after Ore Dressing Sintering Ore Blending Optimization Model Model Application and Sinter...

Research Progress of Intelligent Ore Blending Model MDPI

The iron and steel industry has made an important contribution to China's economic development, and sinter accounts for 7080% of the blast furnace feed charge. However, the average grade of domestic iron ore is low, and imported iron ore is easily affected by transportation and price. The intelligent ore blending model with an intelligent algorithm as the core is studied.

Optimisation of FeO in iron ore sinter at JSW Steel Limited

The coke breeze consumption in the JSW Steel Limited sinter plant was high compared to many other sinter plants in the world, and as there was a local shortage, optimisation in the sinter plants was necessary. FeO is an indicator of the thermal state of the sintering process and is employed as a quality control tool at many plants.

Influence of limestone particle size on iron ore sinter properties and ...

; JSW Steel Limited, Torangallu, Karnataka. JSW Steel Limited, Torangallu, Karnataka. ... Iron ore fluxed sinter is the main ferrous burden of Jindal south west steel limited (JSWSL) blast furnaces. ... the granulation effectiveness and by the sintering process itself. It is wellknown that in fluxed sinter, the size of limestone ...

Variation in Iron Ore Sinter Mineralogy with Changes in Basicity MDPI

The target basicity of iron ore sinter is set by blast furnace slag composition requirements, and therefore varies with the proportion of acid burden such as lump iron ore and pellets. Increasing the lump proportion of the burden will increase the target sinter basicity. The mineralogy of sinter produced with a range of basicity between and was analysed using optical point counting ...

Sintering: A Step Between Mining Iron Ore and Steelmaking

Sinter quality begins with the mined iron ore and the proper selection and mixing of the raw materials. Inhomogeneous raw mix can affect permeability and cause an increase in fuel consumption. During the iron ore sintering process in iron and steel manufacturing, an online analyzer can be used to determine the elemental composition of the bulk ...

Multisource Information Fusion for Autoformer: Soft ... ResearchGate

Sintering is a complex industrial process that applies heat to fine particles of iron ore and other materials to produce sinter, a solidified porous material used in blast furnaces.

Improvement in Sinter Properties with Reduction in Emissions ... Springer

Biomass is a renewable and sustainable energy source, and it has now become an increasingly important alternative energy source in the iron ore sintering process [3, 4]. As compared with the usage of conventional solid fuel (coke breeze and anthracite coal) in the sintering process, biomass is carbon neutral and it has lower CO 2, NOx, and SO ...

Optimisation of FeO in iron ore sinter at JSW Steel Limited

Ironbearing byproducts are rich in iron and carbon and are often reused in the iron ore sintering process. However, there are fewer studies on the effect of them on sintering flue gas pollutants.

Iron Ore Sintering | SpringerLink

Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy ironbearing raw material used for blast furnace ironmaking. Hightemperature process and addition of alkaline flux will improve metallurgical performance of ironbearing raw material. Besides, the sintering process will consume the ...

Blending, Processing, and Pelletization of LowGrade Iron Ore: The JSW ...

The results show that the start decomposition temperature of #2 iron ore is °C, which is °C higher compared to that of #1 iron ore, because of its smaller pores and the difficulty of ...

Improving iron ore sintering process performance CSIRO

Research to improve iron ore sintering is helping to maintain one of Australia's major exports. In order to maintain such high levels of production, new and increasingly mineralogically complex ores are being exported. These complex iron ores present unique mine planning and processing challenges and can impact feasibility through to handling ...

Characteristics Evaluation and High Effective Utilization of ... Springer

The granulation of iron ore is an important process in the iron ore sintering. It strongly affects the permeability of sinter bed and then affects the productivity and properties of produced sinter such as strength and reducibility. The granulation ability of limonite ores was poor; they should be used with high granulation ability iron ores to ...

Corex Process an overview | ScienceDirect Topics

This process allows the direct utilization of fine iron ores and coal instead of sinter and coke. The fluidized bed reactor system is fed with iron ore fines of a particle size smaller than 8 × 10 −3 m (Ahn et al., 2010) and additives such as limestone or dolomite. To heat up the raw iron ores in the last fluidized bed reactor (fluidized bed ...

Sinter plant Wikipedia

Sinter plants agglomerate iron ore fines (dust) with other fine materials at high temperature, to create a product that can be used in a blast final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals. The process, called sintering, causes the constituent materials to fuse to make a single porous mass with little change in the chemical ...

Effect of nuclei particle shape and baffle setting on the drum ...

Iron ore sintering is one of the key steps in the ironmaking process, where granulated pellets are transformed into sinter in the sintering machine, providing an ideal raw material for ironmaking blast furnace. Drum granulation in the sintering process plays an essential role in determining the final sintering performance.

Synergistic conversion of iron ore sintering dust and waste biochar to ...

The iron ore in the sintering dust was mainly magnetite, a small amount of hematite and gangue. Moreover, a small amount of quicklime also existed in the sintering dust due to using it as a solvent for the sintering process (Wu et al., 2022b). The peak intensity of metallic iron rose with the temperature, while peaks of magnetite and hematite ...

Iron ore sintering ScienceDirect

Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first described to identify the key steps of the process, that is, granulation and thermal densification. Discussion is then focused on the effect of the chemical, physical, and ...

Utilization of Pellet Fines in the Iron Ore Sintering Process Springer

The sinter plant that converts the iron ore fines into a desirable blast furnace feed, offers an avenue for recycling wastes. One of the several wastes that are produced at an iron and steel plant is the undersized pellet fines, which cannot be directly used in iron making. The present study evaluated the influence of these pellet fines on the sintering process. 5 experiments were conducted ...

PDF Utilization of Pellet Fines in the Iron Ore Sintering Process Springer

2 Sinter Plant, JSW Steel Ltd, Bellary, Karnataka, India. 2986 Trans Indian Inst Met (2023) 76(11): 1 3 ... Material Selection for Sintering Process Raw materials like iron ore nes, limestone, dolomite, coke breeze, blast furnace return nes, sinter return nes, micro

(PDF) Iron Ore Granulation for Sinter Production: Developments ...

The iron ore sintering process is one of the most energyintensive and pollutantemitting processes in . the steel process, with significantly higher SO 2, NO x, CO, CO 2 and dioxin emissions and ...

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