Iron ore sintering is one of the most energy-consuming process in steel industry. Accurate prediction of carbon efficiency for this process is beneficial to energy savings and consumption reduction. ... The model built under each operating condition has 4 model parameters, then there are 4 × 7=28 model parameters that need to be …
In this article, the proposed method provides a valid reference to control the stable operation of the iron ore sintering process. The operating mode is an essential factor …
Based on the above research, this paper proposes a machine learning-based model for predicting the BHTP of iron ore. The model not only compares the …
This paper analyzes the iron ore resources at home and abroad, studies the sinter ore blending theory and the current ore blending situation, and expounds on the …
Numerous iron ore shaf t furnace models were thus proposed in the literature. The first 50 studies addressed the reduction of a single pellet by H 2, CO, or H 2 -CO mixtures [5-10].
One of the most-missed pieces of DM&IR rolling stock are the 50-ton capacity ore cars. The Walther's, MDC (Athearn), and MTH HO scale ore car models …
The Ambient Compressive Strength (CS) of pellets, influenced by several factors, is regarded as a criterion to assess pellets during metallurgical processes. A prediction model based on Artificial Neural Network (ANN) was proposed in order to provide a reliable and economic control strategy for CS in pellet production and to forecast and control pellet …
A novel HPGR online model coupled with real- time information applied as a digital assistant in industrial-scale pressing of iron ore concentrates August 2023 DOI: 10.5151/2594-357X-39401
The basic high-temperature properties of iron ore play a crucial role in optimizing sintering and ore blending, but the testing process for these properties is complex and has significant lag time, which cannot meet the actual needs of ore blending. A prediction model for the basic high-temperature properties of iron ore fines was thus …
The model provides coverage of operating mines, comprising 334 profiles, plus an additional 70 Tier 1 project profiles ... Detailed analysis and benchmarking for over 300 iron ore mines and projects around the world - including over 96% of global production - with a user-friendly and flexible Cost Model; Lead and Zinc Mining Cost Service.
This study employed a data-driven model to describe an iron ore sintering process. To build such a model, it is necessary (1) to determine the inputs and (2) to …
Synopsis: A mathematical model having the multi-interface model for the reduction of single pellet is employed for the theoretical analysis of the commercial operating conditions of shaft furnace and the following results are obtained. (1) The required bed height for the reduction is linear to the productivity of iron per cross sectional area of furnace under …
The reduced iron ore powder used in this experiment was Newman ore from Australia, the shielding gas was N 2, and the reducing gases were H 2, CO, and a mixture of H 2 and CO.
This paper aims to optimize iron ore sintering process from a multi-criteria point of view. Several typical groups of process parameters were firstly obtained by …
The iron ore fines and concentrate cannot be directly utilized in blast furnace, and therefore, its agglomeration i.e. enlargement of particle size is necessary before it is used as feed for iron making. ... such that the vertical sintering speed of 22–23 mm/min is maintained and the sintering operation is completed. 4 Results and …
Simulation Modeling of an Iron Ore Operation 102 Introduction An iron ore mining company in Western Australia has recently established a task force of staff and consultants to refurbish its Product Quality System. Of key importance to the project is im-proving the efficiency of the production process and reducing costs.
DOI: 10.1016/j.conengprac.2020.104297 Corpus ID: 213560509; Operating mode recognition of iron ore sintering process based on the clustering of time series data @article{Du2020OperatingMR, title={Operating mode recognition of iron ore sintering process based on the clustering of time series data}, author={Sheng Du and Min Wu and …
A fundamental study was carried out on the melting process and its primary controlling factors in iron ore sintering. Melting properties of sinter feed were evaluated by the volume ratio of the melted portion to the substantial solid of sinter, namely the "melting ratio". From a sinter pot test, the correlation between the melting ratio and the sintering conditions …
This paper addresses the modeling of the iron ore direct reduction process, a process likely to reduce CO2 emissions from the steel industry. The shaft furnace is divided into three sections (reduction, transition, and cooling), and the model is two-dimensional (cylindrical geometry for the upper sections and conical geometry for …
The reduction of the iron ore pellets is described using a specific grain model, reflecting the transformations from hematite to iron. The shaft furnace is modeled as a set of interconnected one-dimensional zones into which the principal chemical reactions (3-step reduction, methane reforming, Boudouard and water gas shift) are …
(e.g., increasing pressure drop). With iron ore sintering, iron fines are utilizable for pig iron production. The sintering process is influenced extensively by the properties of the input material and process conditions. The operating setting essentially influences the properties of the sintered product [1]. 1.1. Sinter Plant Process
A mathematical model of the iron ore sintering process in a fixed sinter bed and optimisation of the process parameters using real valued genetic algorithm is described.
This paper addresses the modeling of the iron ore direct reduction process, a process likely to reduce CO2 emissions from the steel industry. The shaft furnace is divided into three sections ...
The modeling of a shaft furnace, simulating the reduction of iron ore by syngas, is a powerful tool for defining optimal operating conditions. Use of such a model can lead to the maximization of conversion or the minimization of energy consumption, among other effects capable of reducing carbon dioxide emissions. As such, numerous …
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 …
Iron ore pellets are the main feedstock in ironmaking processes. While extensive research has addressed numerical modeling of the iron ore pellet induration process, little effort has been made to describe the intricate thermochemical processes occurring within the reactor starting from the pellet and particularly at the intra-particle …
The ore quay at Saldanha has two berths where two vessels of 310,000 deadweight tonnage can simultaneously tie up at the iron ore jetty. The terminal operates 24/7 and has the capacity to offload 10,000 tonnes per hour onto a vessel. From arrival to departure an ore vessel carrying 170,000 tonnes will be in Saldanha Bay for just 24 hours.
In the past few decades, iron-making industry in China has soared up due to the rapid development of economy. According to China Steel Association, the domestic production of pig iron exceeded 700 Mt in 2013.Besides the production, burdens of blast furnace have improved from sinter ores of low basicity incorporated with lump ores to …
DOI: 10.1016/j.ces.2020.115858 Corpus ID: 225025741; A CFD-DEM model for the simulation of direct reduction of iron-ore in fluidized beds @article{Kinaci2020ACM, title={A CFD-DEM model for the simulation of direct reduction of iron-ore in fluidized beds}, author={M. Efe Kinaci and Thomas Lichtenegger and Simon …
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