iron ore sinter making process explained

Iron ore sintering ResearchGate

Abstract. 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 ...

Sintered Ore an overview | ScienceDirect Topics

Sinter Making. The iron ore fines (− 10 mm) are agglomerated using Dwight Lloyed sintering machine. The iron ore fines and coke breeze fines mix with moisture is fed on the sinter bed which is ignited by a gas burner to initiate sintering process. The hot sintered ore is discharged at the end of the machine. The energy consumption ...

Recent progress in sustainable and energyefficient technologies for ...

Iron ore sinter plants are energyintensive components of integrated iron and steel production (see Table 1), where the iron ore fines (<5 mm) are converted into larger (>5 mm) lump sinter cakes with greater gas permeability, which are the most important burden materials for iron making in blast furnaces (BFs) [7].The main process is shown in Fig. 2 and described in detail in previous studies ...

Effect of B2O3 Content on the Sintering Basic Characteristics ... Hindawi

The sintering basic characteristics of iron ore play a key role in the process of sintering. In this study, the effects of B 2 O 3 on the assimilation characteristics, softening temperature, fluidity of liquid phase, compressive strength of bonding phase, and microstructure of the mixed fine powder of hematite and vanadiumtitanium magnetite (HVTM) are studied.

Intelligent Control of Sintering Process | SpringerLink

This section describes sintering process, analyzes its characteristics, and introduces the carbon efficiency and thermal state parameters. Iron Ore Sintering Process. DwightLloyd sintering machine is adopted in sintering process, as shown in Fig. qualified sinter produced by the sintering process is utilized in the blast furnace process [].

Special Issue "Mineralogy of Iron Ore Sinters, Volume II" MDPI

The sintering process is a thermal agglomeration process, and it is accompanied by chemical reactions. In this process, a mixture of iron ore fines, flux, and coal particles is heated to about 1300 °C1480 °C in a sinter bed. The strength and reducibility properties of iron ore sinter are obtained by liquid phase sintering.

Metals | Free FullText | Effect of Silica Content on Iron Ore Sintering

During the iron ore sintering process, its SiO2 content considerably affects the sinter quality. In this study, the effect of SiO2 content on iron ore sintering indexes was studied, with mineral composition and microstructure analyses. It was shown that the strength and reducibility of sintering products improved when SiO2 content increased.

Effect of concentrate and micropellet additions on iron ore sinter bed ...

The granulation process for iron sinter production is the Q H ﬁrst step in the production of pig iron, where ﬁne iron ore JPU = (1) A DP together with other ﬁne materials (collected dusts, mill scale), ﬂuxes and coke breeze are converted into agglom where Q is the air ﬂow rate (m3 min−1), A is the cross sec erates.

(PDF) Iron Ore Sintering: Process ResearchGate

Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slagforming agents and solid fuel (coke).

Prediction of Sinter Properties Using a HyperParameterTuned ...

The sintering process produces iron ore agglomeration of size 1040 mm with better reducibility values than lumps. Utilization of a higher proportion of quality agglomerates in the burden increases the productivity of the blast furnace. The sintering process increases the productivity and reduces the requirement of fuel, flux, and operation time.

RBA leaves rates on hold, ASX, Australian dollar and gold prices tumble ...

The iron ore mining giants BHP, Rio Tinto and Fortescue Metals fell between and % each. ... it would require making some fiscal instruments more nimble, strengthening the (semi) automatic ...

Numerical Modeling of the Iron Ore Sintering Process JSTAGE

The mathematical modeling of the iron ore sintering process has received much attention since the 1970s, when Muchi and Higuchi7) proposed the first one dimensional (1D) model. Fig. 1 is an attempt to explain how the sintering process can be treated as a one or a two dimensional (2D) process. The top left quadrant shows a side view of a steady

Ore Sintering an overview | ScienceDirect Topics

Ore Sintering. The aim of the MEBIOS process is the formation of a ventilation route in the sintering bed by creating a lowdensity area around the large pellets arising from a kind of wall effect and suppression of sinter bed shrinkage due to support of the load by the dense large pellets in the upper part of the sinter bed. From: Iron Ore, 2015.

Characteristics and Sintering Mechanisms of Iron Ores with a High ...

Meanwhile, an iron ore sinter is a crucial material for the ironmaking process, and its chemical, physical, and metallurgical properties significantly impact the blast furnace (BF) performance. In turn, the main materials used for a sinter are iron ore fines, and their chemical compositions play a critical role in the sintering process. Due to ...

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 ...

Characteristics and Sintering Mechanisms of Iron Ores with a High ...

Meanwhile, an iron ore sinter is a crucial material for the ironmaking process, and its chemical, physical, and metallurgical properties significantly impact the blast furnace (BF) performance. 9 In turn, the main materials used for a sinter are iron ore fines, and their chemical compositions play a critical role in the sintering process.

Effect of Iron Ore Pellet Size on Metallurgical Properties MDPI

Iron ore pellets are small and hard spherical particles agglomerated from a fine iron ore concentrate. They are used in the blast furnace process to produce hot metal. The diameter of blast furnace pellets is usually between 8 and 16 mm. In this study, a batch of magnesia iron ore pellets was first sieved into particle sizes of 810 mm, mm, mm and 1620 mm, and the four ...

Utilization of Pellet Fines in the Iron Ore Sintering Process Springer

Sintering is a crucial process in integrated steel plants where a mixture of iron ores, fluxes, and coke are fused to produce a sinter. During sintering, various mineral phases crystallize and bind the grains together, resulting in a strong sinter.

Model of an iron ore sinter plant with selective waste gas ...

Sintering of iron ores is an enormous energyintensive and resources consuming process. Introducing a selective waste gas recirculation (SWGR) to the sintering process reduces the energy consumption, stack gas volume flow, and sulfur dioxide emissions of an iron sinter production. Simulating this complex process in flowsheet simulations of ...

Reductants in iron ore sintering: A critical review ScienceDirect

Moreover, the conventional iron making unit, blast furnace requires the raw material in the form of iron oxide with a size range of 10120 mm. Sintering is the oldest agglomerate thermal process using iron ore mineral fines of mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...

Blast Furnace Process | SpringerLink

Ironbearing materials: The function of the ironbearing materials is to supply the iron, which represents about % of the hot metal. Major ironbearing materials are lump ore (contains 5265% Fe), sinter (contains 5265% Fe) and pellets (contains 6067% Fe); minor ironbearing materials are mill scale and steelmaking slag (which ...

Low Carbon Sinter Making: Use of Inert Gas to Improve Sinter RDI JSTAGE

Sinter making is an intermediate step in valueadded chain for producing steel. Iron ore fines (−10 mm) is agglomerated to make it suitable blast furnace feed. In sintering process, ironore is partially reduced, and different fluxes are added to eliminate the undesirable elements in the slag.