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, …

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

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

In order to maintain a stable blast furnace operation, artificial lumping of iron ore is a necessary practice via iron ore sintering technology. It has dramatically reduced production fluctuations, and more importantly has expanded the sources of access to various types of iron ore, permitting low-grade iron ore to be utilized.

Effect of biochar substitution on iron ore sintering characteristics based on optimization of fuel distribution through the bed. Author links open ... and bituminous coal (BC) is proposed as a green and low-cost technology. The preparation parameters included a co-carbonization temperature of 600 °C, a co-carbonization time of 30 min, and a ...

Iron ore sinter plants are energy-intensive components of integrated iron and steel production (see Table 1), where the iron ore fines (<5 mm) are converted into larger (>5 mm) …

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 …

The study of sunflower seed husks as a fuel in the iron ore sintering process. Mineral Engineering 2008; 21: 167-177. [3] Ooi TC, Thompson D, Anderson DR, Fisher R, Fray T, Zandi M. The effect of charcoal combustion on iron-ore sintering performance and emission of persistent organic pollutants. Combustion and Flame 2011; 158: 979-87. [4]

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 …

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.

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 …

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 …

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 ...

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 …

2. 2 Indus Institute of Technology and Engineering, Ahmedabad Department of B.E. in Metallurgy Engineering 2013 CERTIFICATE Date: 23/05/2013 This is to certify that the dissertation entitled " Design and Fabrication Of Iron Ore Sintering Machine " has been carried out by Albin K. Cherian & Siddharth Rathod under my guidance in fulfillment of the degree of …

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 …

1. Introduction. In the metallurgical ironmaking process, sinter is the main raw materials fed into the blast furnace to produce molten iron. To produce sinter, iron ore fines are mixed with coke and fluxes, and granulated in a granulator with the addition of water; the granules are then distributed to the sintering machine for ignition, exhaust, sintering and crushing …

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 ].

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 …

Applying hydrogen energy into iron ore sintering process is an efficient strategy to abate CO 2 emission. This investigation mainly focused on revealing the influence of H 2-rich gas injection on sintering performance and elucidating the deep mechanism through both laboratory tests and mathematical model.Results showed that injecting H 2-rich gas contributed to …

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 ...

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 …

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 ...

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 ...

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 …

Iron ore sinter plants are energy-intensive 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 …

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 ...

The cost of the FeCl 3 /Li pair was USD 3.70 kWh −1, which is 7.5% of the cost for lithium iron phosphate C and 4.2% of the cost for NMC-C. Compared with several newly developed, promising ...

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.

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 …