CO Reduction Process Technology and Development of Iron Ore Sintering
Iron ore sintering is a typical industrial process with high energy consumption, high material consumption and heavy pollution. It is reported that energy consumption accounts for about 6–10% of the total energy consumption of iron and steel enterprises. 2,3) Sintered ore is one of the main iron charges used in blast furnaces (BF), accounting for about 75% of the blast …
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Binary-ore oxygen carriers prepared by …
Chemical looping combustion (CLC) is a very promising low-cost CO 2 capture technology that uses metal oxides as an oxygen carrier (OC) to transfer active lattice oxygen from ... iron ore with sintering resistance and copper ore with high reactivity were combined to solve the problems of poor reaction performance of iron ore and easy sintering ...
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Low-Carbon Production of Iron & Steel: Technology Options, …
BF-BOF route employs a blast furnace (BF) to reduce the iron ore to molten iron and subsequently refined to steel in a basic oxygen furnace (BOF). As the dominant …
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Comprehensive Technologies for Iron Ore Sintering with …
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 …
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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
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Sintering Technology | PPT
The document discusses sinter making technology used in iron ore mining. It describes how iron ore fines generated during mining cannot be directly charged in blast furnaces due to size restrictions. ... Advantages Little over crushing Practically no oversize above 5 mm Moderate cost. Disadvantages Over crushing with excessive fines generation ...
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A novel blending principle and optimization model for low …
In order to improve the green manufacturing of iron ore sintering, a low-carbon and low-cost iron ore blending method is proposed and the corresponding optimization …
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Research Progress of Intelligent Ore Blending …
The iron and steel industry has made an important contribution to China's economic development, and sinter accounts for 70–80% of the blast furnace feed charge. However, the average grade of domestic iron ore is low, …
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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 ...
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Iron Ore Granulation for Sinter Production: Developments, …
Correspondingly, the challenges in sintering granulation field are proposed to include: (1) Development of iron ore sintering industry; (2) Ore blending optimization based on synergistic coupling of granulation and sintering; (3) Optimization of granulation process and equipment; (4) Methods and tools for granulation scientific research.
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Characteristic and mechanistic study of enhanced carbon …
Pyrolysis technology is an effective way to improve the utilization rate of biomass [13], [14], [15]. Soncini et al. [16] explored the pyrolysis and gasification of biomass and low rank coal and suggested that the rank of coal had significant synergistic effects, such as more tar being produced in the pyrolysis process of low-rank coal. Wu et al. [17], [18] studied the co-pyrolysis …
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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 ...
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Novel technology of reducing SO2 emission in the iron ore sintering
1. Introduction. Iron ore sintering is used all over the world to prepare agglomerates for the ironmaking blast furnace (Chen et al., 2016, Abreu et al., 2015, Zhao et al., 2015).It consists of an agglomeration through an oxidizing/reducing fusion of iron ore fines, fluxes (lime, limestone etc.) and solid fuels (coke fines and coal fines) as well as re-circulated …
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Co-benefits of CO2 emission reduction and sintering …
Hot exhaust-gas recirculation sintering was confirmed as an effective technology. ... uniform granularity and low powder quantity should be provided by powder processing such as iron ore sintering process [[7], [8], [9]]. Hence, many experimental tests and industrial application have been successfully conducted on limonitic laterite through ...
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Research Progress of Intelligent Ore Blending Model
The iron and steel industry has made an important contribution to China's economic development, and sinter accounts for 70–80% 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 …
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Low-temperature deNOx performance and mechanism: a …
The annual cost of heating the waste gas from a 600 m 2 sintering plant is about $10.81 million, significantly increasing the burden of deNO x for the enterprise. In addition, V 2 O 5 is less stable and has an environmental risk associated with some vanadium entering the flue gas after a long period of service for the catalyst [ 9 ].
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Ore-blending optimization model for sintering process …
An ore-blending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In the present work, 14 indices are proposed to represent chemical composition, granulating properties and high temperature properties of iron ores. After the relationships between iron ore …
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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 …
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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 …
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Numerical simulation of the Co-combustion of coke and …
For its low cost and high flexibility, numerical simulation has already played an important role in the study of all coke methods and hydrogen-rich gas injection in sintering beds ... Model predictions for new iron ore sintering process technology based on biomass and gaseous fuels. Adv Mater Res, 918 (2014), pp. 136-144.
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Low-carbon production of iron and steel: Technology …
HIsarna is a direct bath-smelting reduction technology that combines coal pre-heating and partial pyrolysis with the smelting reduction vessel working as its core reaction …
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A novel blending principle and optimization model for low …
Focusing on the high energy consumption of sintering, Junkai Wang et al. [10] proposed a collaborative optimization model for sintering mixture, in which the association models between ore proportion, production parameters and energy consumption, tumbler strength are established firstly, and the ore proportion is optimized using energy performance …
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Iron ore sintering patented technology retrieval search …
This page includes the patent name, patent number, legal status, invention/applicant, technical efficacy and accompanying drawings of Iron ore sintering-related invention patents and utility model patents, which can be searched for their Iron ore sintering-related patent result data, and can also be analyzed for Iron ore sintering-related patent technical data.
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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. Linear programming is an effective optimization method, which can consider both the indices of ore proportion and the cost of iron ores at the same time. Therefore, in the present work, aimed …
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Advances in Sintering and Pellet Technology
The objective of iron ore agglomeration is to generate a suitable product of granules in terms of thermal, mechanical, physical, and chemical properties. Sintering and pelletization processes are largely influenced by the source of iron ore and the way in which the beneficiation flowsheet is adopted.
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Economic and carbon emission analysis of two typical …
The Chinese government has implemented a series of policies and regulations to enhance air quality. NO x is of concern as an important precursor for ozone generation. The iron and steel industries are expected to lower their total pollutant emissions by more than 15 %, along with the adoption of new air pollutant emission requirements for iron and steel sintering and …
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Comprehensive evaluation of hydrogen-rich energy application in iron
The liquid absorption technology is appropriate due to the low CO 2 concentration of sintering flue gas (the temperature is 120∼185 °C, ... and carbon emissions under different modes are presented. and it is proved that segmented injection can achieve lower cost of clean iron ore sintering. 2. Experimental materials and method
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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 ...
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Low-carbon production of iron and steel: Technology options, economic
HIsarna is a direct bath-smelting reduction technology that combines coal pre-heating and partial pyrolysis with the smelting reduction vessel working as its core reaction container. 18 It can allow non-coking coal and low-cost iron ores (outside BF quality range) to produce iron with 20% less carbon footprint. 19 Commercial level ...
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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 ...
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