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 … Expand. 3. PDF. Save. Optimization of iron ore blending based on replacing Australian low alumina limonite.
WhatsApp: +86 18221755073
In particular, the sintering process is one of the highly energy-intensive stages of the ironmaking process, which relies mainly on coal and coke for the entire combustion …
WhatsApp: +86 18221755073
The experiment involving ammonia injection was conducted to minimize solid fuel consumption and carbon emissions during the sintering process of iron ore. The sintering bed temperature, sintered ore quality, …
WhatsApp: +86 18221755073
According to the U.S. Environmental Protection Agency, the sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated product, …
WhatsApp: +86 18221755073
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 …
WhatsApp: +86 18221755073
The combustion behaviour of solid fuels – for example, coke and biomass char – is an important consideration in iron ore sintering as it determines heat availability for the melt formation process. This behaviour is influenced by the presence of an adhering layer of fine material around the fuel particles.
WhatsApp: +86 18221755073
Ni-based coating, a kind of surface material, is characterized by high hardness, outstanding wear resistance, and excellent corrosion resistance. Ni-based coatings doped with hard phases can improve the coating quality. This is an important topic in related fields. Compared with traditional Ni-based coatings, Ni-based coatings doped with a hard phase have …
WhatsApp: +86 18221755073
in terms of iron ore type and the ratio of each ore, was pre-defined by the steelmaking company that ... used in the sintering process, which is consequently correlated to the reduction in CO2 emissions. Simultaneously, the quality of this newly designed sinter was improved compared with the standard sinter in view of reducibility. ...
WhatsApp: +86 18221755073
The objective of iron ore agglomeration is to generate a suitable product of granules in terms of thermal, mechanical, physical, and chemical properties. ... The double-layer ignition sintering process can reduce the emission of nitrogen oxides in the sintering process under the condition of guaranteeing the quality of sinter, which has great ...
WhatsApp: +86 18221755073
Coke breeze is the main heat source in sintering process. Its combustion yields enough amounts of heat which melts the sinter mix. One of the factors that significantly affect the course of coke breeze combustion is its grain size [1,2,3].It is known that fine-grained coke reduces permeability of the sinter mix and the use of coke breeze with particle size below 1 …
WhatsApp: +86 18221755073
The iron ore sintering process was simulated and computational domain was the same as the configuration of a sinter pot as shown in Fig. 1. Entrance of the sinter pot was defined as a velocity inlet. The magnitude of velocity was obtained from the experimental gas-flow rate [7]. The bottom of the sinter pot was set to be pressure outlet which ...
WhatsApp: +86 18221755073
The ultimate goal of the iron ore sintering process is to maximize the sinter productivity, strength, and reducibility (which are related to the energy consumption in the …
WhatsApp: +86 18221755073
A fine particle and sintering process technology, applied in the direction of dispersed particle separation, gas treatment, membrane technology, etc., can solve problems such as complex composition, complex flue gas composition, and large flue gas flow
WhatsApp: +86 18221755073
The sintering process is a well-established process in use at integrated steel making plants. It consists of an agglomeration through an oxidizing/reducing fusion of iron ore fines (sinter feed) and fluxing agents (lime, limestone, etc.) as well as re-circulated materials (dust, sludge, etc.) at temperatures between 1200 °C to 1400 ° C. A carbon based solid fuel is …
WhatsApp: +86 18221755073
Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming …
WhatsApp: +86 18221755073
AbstractReal-time accurate evaluation of the working conditions is crucial for ensuring the process safety and production efficiency in the sintering process. However, existing sintering condition ...
WhatsApp: +86 18221755073
Iron ore sintering involves the movement of a flame front down a particulate bed, and a series of physico-chemical reactions over a large temperature range.
WhatsApp: +86 18221755073
Title Model predictions of important bed and gas properties during iron ore sintering Creator Zhou, Hao; Zhao, Jia Pei; Loo, Chin Eng; Ellis, Benjamin George; Cen, Ke Fa
WhatsApp: +86 18221755073
Sintering is a thermal agglomeration process, and its main raw materials are iron ore, returning sinter ore, fluxes, and coke (Fernández-González, Ruiz-Bustinza, Mochón, González-Gasca, & Verdeja, 2017).The high energy consumption and serious pollution associated with the sintering process have always been an important concern of iron and …
WhatsApp: +86 18221755073
Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix (raw mix or green mix) of iron ore fines, fluxes, fuel (coke breeze) and plant return fines (e.g. mill scale, blast furnace dust, and returned sinter fines etc.) are converted into a particular form of agglomerate.
WhatsApp: +86 18221755073
The document discusses the sintering process used at the Rourkela Steel Plant in India. It describes how iron ore fines, limestone, dolomite and other raw materials are blended and formed into nodules. ... Parameters affecting sintering Iron ore size: The granulometry of iron ore fines, used in sintering, has a great influence on sinter plant ...
WhatsApp: +86 18221755073
You, Z.; Zhang, Y.; Jiang, T. 2014: Behavior of SO2 in the Process of Flue Gas Circulation Sintering (FGCS) for Iron Ores Isij International 54(1): 37-42 Eng Loo, C.; Tame, N.; Carlson Penny, G. 2012: Effect of Iron Ores and Sintering Conditions on Flame Front Properties Isij International 52(6): 967-976
WhatsApp: +86 18221755073
Iron ore sintering process is the second to the municipal waste incinerator toxic pollutants emission source and more than 50% of dioxin emissions are from sintering process in the iron and steel industry (Cang et al., 2014; Cieplik et al., 2003). However, due to the sintering flue gas has the characteristics of complex composition, large flow ...
WhatsApp: +86 18221755073
Finally, experiments are executed with the data collected from a factory. The results indicate that it can effectively predict the fluctuation interval of the BTP, and then successfully recognize the operating mode. In this article, the proposed method provides a valid reference to control the stable operation of the iron ore sintering process.
WhatsApp: +86 18221755073
There are two main methods for raw material clotting: Pelletizing (pellet production): During pelletizing, 10-20mm pellets are produced. Currently, agglomeration (sintering) is the most common method, and it has several …
WhatsApp: +86 18221755073
Currently, steel production in China is dominated by the BF-BOF route, and sinter is an indispensable high-quality raw material for blast furnace ironmaking (Wang et al., 2019).The energy supply for the iron ore sintering process relies on coke breeze or anthracite under conventional conditions, and hydrogen-rich gas is considered as "bridge fuel" for carbon …
WhatsApp: +86 18221755073
2013. Sintering is a process by which a mixture of iron ores, fl uxes and coke is agglomerated in a sinter plant to manufacture a sinter product of a suitable composition, quality and granulometry to be used as burden material in the blast furnace.
WhatsApp: +86 18221755073
Therefore, sintering and blast furnace processes offer good opportunities to decrease the CO 2 emissions since mall decreasing of the coke breeze consumption and bonding agent used in iron ore sintering process could decisively contribute to decrease the environmental load of the steelmaking industry.
WhatsApp: +86 18221755073
The optimization of parameters for controlling iron ore sintering process based on maximum satisfaction, Liu Yunlian, Li Xinjun, Gao Dan
WhatsApp: +86 18221755073
Iron ore sintering is a pretreatment step of smelting that agglomerates the iron ore using surface melting of green pellets to improve the quality of the steel product. The sintering process not …
WhatsApp: +86 18221755073
0086-21-58386256
Our office time Mon - Sat 10.00AM - 7.00PM Sunday CLOSED
Copyright © 2024.Con All rights reserved.sitemap