Optimizing Iron Ore Proportion Aimed for Low Cost by …

Optimizing Iron Ore Proportion Aimed for Low Cost by Linear Programming Method YULU ZHOU, XIN JIANG, XIAOAI WANG, LIN WANG, LIANG HE, ... can obviously reduce the cost of iron ores in sintering process with keeping good sintering performances and good quality of sinter. ... Technology Research Institute, Shijiazhuang, Hebei 050023, China. ...

Application of coalbed methane assisted iron ore sintering: …

COG produced by the coke-making process has a high H 2 content and low cost (Ni et al., 2020). ... Influence of multiple gaseous medium injection on low-carbon iron ore sintering performance: characteristics of natural gas and steam coupling injection ... Development and application of key equipment technology for top gas injection in sintering ...

New approach to improve heat energy utilization efficiency …

This paper develops a cost-effective low-carbon iron ore sintering technology that can be directly applied to iron and steel production, with its essence to add partial fuel into …

Iron Ore Pelletizing Process: An Overview

has deteriorated and low-grade iron ore has been processed. ... Despite its low cost, the inorganic compounds from bentonite are. ... Additionally, the sintering of ore grains also happens,

Emission Control of Toluene in Iron Ore Sintering Using …

Iron ore sintering flue gas containing large amounts of volatile organic compounds (VOCs) can form secondary photochemical smog and organic aerosols, thus posing a serious threat to human health and the ecological environment. Catalytic combustion technology has been considered as one of the most prospective strategies for VOC elimination. This paper focuses …

Mathematical Simulation of Iron Ore Fines Sintering Process …

The fuel segregation distribution sintering process, with a high fuel dosage in upper layer and a low fuel dosage in bottom layer of the sintering bed, was studied to handle uneven heat distribution problems in the conventional iron ore sintering process. A mathematical simulation method was adopted to contrastively study the fuel segregation distribution …

Examining low nitrogen oxides combustion in iron ore sintering

The sintering bed surface steam-injection technology has attracted significant research interest for its potential advantages in low-energy consumption and low emission.

Novel technology of reducing SO2 emission in the iron ore sintering

PDF | On Jun 8, 2017, Tiejun Chun and others published Novel technology of reducing SO2 emission in the iron ore sintering | Find, read and cite all the research you need on ResearchGate

Emission Control of Toluene in Iron Ore Sintering Using …

Iron ore sintering flue gas containing large amounts of volatile organic compounds (VOCs) can form secondary photochemical smog and organic aerosols, thus posing a serious threat to human health ...

Intelligent Recommendation Framework for Iron Ore …

Optimization of sinter ore allocation is a key step in the steel production process, which has become the most important measure for steel enterprises to effectively reduce cost, improve quality, save energy and reduce emissions. In this paper, the first intelligent recommendation model for the sintering dosing scheme considering cost, quality and carbon …

A novel blending principle and optimization model for low …

According to the complementary principle of the basic properties between iron ores, the blending model takes the minimum blending cost as optimization objective, and searches …

Development of Low Carbon Technology in China's Iron …

In China, iron and steel industry made up approximately 15% of the country's total CO 2 emissions in 2017 (Energy Transitions Commission (ETC) 2019).The completion of China's urbanization will result in less demand from the construction sector for steel, and more steel materials would come from recycling of scraps, promising a lower proportion of iron and steel …

New approach to improve heat energy utilization efficiency in iron ore …

This paper develops a cost-effective low-carbon iron ore sintering technology that can be directly applied to iron and steel production, with its essence to add partial fuel into surface sintering bed Through applying this technology, the sintering energy consumption and pollutant emission are reduced, and the heat utilization efficiency is ...

New approach to improve heat energy utilization efficiency in iron ore …

From the perspective of economic cost, for a 360 m 2 sintering machine with an annual output of 4 million tons, ... This paper develops a cost-effective low-carbon iron ore sintering technology that can be directly applied to iron and steel production, with its essence to add partial fuel into surface sintering bed Through applying this ...

Low-temperature oxidation behavior and mechanism of …

Iron ore sintering is an important part of a long steelmaking process with sulfur dioxide emissions accounting for 40%–80% of the total sulfur dioxide emissions in steel companies [1,2,3,4].Semi-dry flue gas desulfurization technology combines the characteristics of wet and dry flue gas desulfurization processes, and it has significant advantages such as low …

Mathematical Simulation of Iron Ore Fines Sintering Process …

The fuel segregation distribution sintering process, with a high fuel dosage in upper layer and a low fuel dosage in bottom layer of the sintering bed, was studied to handle uneven heat ...

Optimization of iron ore blending based on replacing …

Mauritanian iron ore powder (OM) has advantages of high iron grade, low aluminum content, and low loss on ignition, which can be used as a new mineral to replace low alumina limonite that has been exhausted in Australia. However, it will ... The optimization of ore blending technology in sintering is an effective method to improve the quality ...

Dastur and Company | Engineering Design Services

The sintering of iron ore fines is a century old technology. There has been gradual improvement in sintering process, sinter plant engineering, process control & automation and several others. ... Blast furnace burden constituting high proportion of superior quality sinter enables low cost operation. In the recent past, several important ...

Influence of multiple gaseous medium injection on low-carbon iron ore

In this study, a low-cost coupling injection technology for iron ore sintering was developed, which could reduce fossil fuel consumption and greenhouse gas emissions even more while ensuring the sintering indexes, and discusses the impact of the technology on NOx and CO emissions in terms of gas phase dynamics, this research findings provided ...

Iron Ore Sintering: Raw Materials and Granulation

the main technology (Electric Furnace, 27.5%; Open Heart ... demand of iron ore has caused the exploitation of low grade iron. ... breeze particle size and its influence on the iron ore sintering pro-

Ore blending ratio optimisation for sintering based on …

The iron ore blend for sintering depends to a great extent on ore properties. It is hard to determine the final sinter reducibility from the reducibility and ratio of single iron ores in a mixture.

MAXIMIZING LOW FE HYGROSCOPIC IRON ORE …

grade than the powdery ore. The iron ore deposits are distributed over the northern, southern and central blocks of Goa. In the Pig Iron Manufacturing, Iron Ore contributes around 40-45% to the total Cost of Raw material & hence the cost of Iron Ore plays a crucial role in the success of pig iron business. By using the low grade iron ore

Integrated Recycling of Red Mud for Iron Ore Sinter …

Optimizing iron ore proportion is significant for improving the performances of sintering process, and the cost of iron ores is important for iron and steel company.

Examining low nitrogen oxides combustion in iron ore sintering

These flue gas treatments require a significant investment of 40–60 % of the total cost of a sintering plant [12 ... should theoretically apply to low-temperature iron ore sintering, yet there are few reports on its application in this area. ... unless it has a sufficiently high fixed carbon content and low volatility. As sintering technology ...

Dastur and Company | Engineering Design Services

Blast furnace burden constituting high proportion of superior quality sinter enables low cost operation.

Iron ore sintering

The mineral processing of iron ore generates a large quantity of fines, considering particles under 5 mm in size [1,2]. Blast furnace (BF) ironmaking involves a vertical counter-current process ...

Iron Ore Pelletizing Process: An Overview

The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and low-grade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. This chapter …

Partial substitution of anthracite for coke breeze in iron ore sintering

The production of crude steel in the iron and steel industry in China has grown dramatically, which has made the country the world's largest steel producer since 1996 1,2,3. 40%–60% of the total ...

A novel blending principle and optimization model for low-carbon and low-cost sintering in ironmaking process

For production cost reduction, optimised blending ratios were designed according to ore prices and properties (microstructure, crystal water decomposition, assimilation ability, liquid phase...

Effective utilization of dolomitic lead–zinc waste rock by …

With increasingly stringent environmental protection policies, cost-effective and value-added treatment of massive lead–zinc waste rock (LZWR) generated from the preconcentration process has attracted substantial attention. A type of dolomitic LZWR with 18 wt.% MgO, 27 wt.% CaO, 0.29 wt.% Zn and 1.43 wt.% S was used as a replacement flux in …

Investigation on the application of by-product steam in iron ore

The combustion-supporting effect of steam to coke breeze in sintering has the potential to improve sinter quality and reduce pollutants emissions. The results show that increasing the by-product steam injection concentration (0.32–0.47vol%) and prolonging the injection time (5 min) within a proper range (10–15 min) can improve sinter quality. 2.13kgce/t …

Comprehensive Technologies for Iron Ore Sintering …

around the world to optimize the iron ore sintering produc-tion by increasing the thickness of materials layer. As a result materials layer thickness of sintering machines has also continued to increase, from 200–300 mm at that time to more than 700 mm now. Due to the limitation of special iron ore resources and technical conditions, later ...

Optimizing Iron Ore Proportion Aimed for Low Cost by

Optimizing iron ore proportion is significant for improving the performances of sintering process, and the cost of iron ores is important for iron and steel company.

A New Approach of Pelletizing: Use of Low-Grade Ore as a

For carbon neutrality, the use of sinter should be decreased owing to higher CO2 emission in the sintering process of the blast furnace operations. This trend might contribute to the increased use of iron ore pellets with lower CO2 emission in the fabrication process, high reducibility and gas permeability due to higher mechanical strength. The pelletizing process …

Reductants in iron ore sintering: A critical review

Moreover, the conventional iron making unit, i.e. blast furnace requires the raw material in the form of iron oxide with a size range of 10–120 mm. Sintering is the oldest agglomerate thermal process using iron ore mineral fines of 0.5–8 mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...