Transient liquid phase sintering. In a compact that contains only iron powder particles, the solid state sintering process would generate some shrinkage of the compact as the sintering necks grow. However, a …
WhatsApp: +86 18221755073Each individual is Giri and Roy Mathematical modelling of the iron ore sintering process 3 Schematic view of GA model 2 Schematic view of sinter bed height for heat and mass balance showing differential an array of parameters of sintering process that is to be tuned. The best individual of the run is chosen to be used in final simulation of the ...
WhatsApp: +86 18221755073The sintering process can be defined as a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag …
WhatsApp: +86 18221755073This paper specifies the mathematical and physical modelling of the iron sintering process in laboratory conditions. The aim is to get the simplest approach (using thermodynamic software "HSC …
WhatsApp: +86 18221755073The 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. …
WhatsApp: +86 18221755073As a key thermal-state indicator of the iron ore sintering process, the content of ferrous oxide (FeO) in the finished sinter is directly related to product quality. Based on the massive data of sintering process, the data-driven soft sensor model provides a good choice for real-time FeO content detection. However, the complex characteristics of the data, …
WhatsApp: +86 18221755073used to recycle iron-containing waste such as steel slag and dust sludge from the production process of steel mills, which reduces costs and protects the environment. Cur-rently, there are two methods of lumping: pelletising and sintering, of which sintering is the main method [35, 36]. The flow of the iron ore powder sintering process is
WhatsApp: +86 18221755073A 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. The mathematical model is formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations. The …
WhatsApp: +86 18221755073Optimization of iron ore sintering process is to maximize the productivity and the sinter ore quality while minimizing the energy consumption. However, these economic and technical criteria are sometimes contradictory and the improvement of one criterion generally leads to the deterioration of other criteria. This paper aims to seek the …
WhatsApp: +86 18221755073Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel …
WhatsApp: +86 18221755073Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to obtain a product with suitable composition, quality and granulometry to be used as burden material in the blast furnace.
WhatsApp: +86 18221755073PROCESS BRIEF Sintering process is developed mainly to utilize under size of lump ore called iron ore fines; which otherwise, could not be charged directly in blast furnace. In order to conserve these, otherwise waste material, they are compacted together and made into lumps by a process known as sintering.Sintering is defined as the
WhatsApp: +86 18221755073Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke). The purpose of the ...
WhatsApp: +86 1822175507314th International Symposium on Process Systems Engineering. Haoran Li, Tong Qiu, in Computer Aided Chemical Engineering, 2022. 2.1 Process description. The sintering …
WhatsApp: +86 18221755073The accuracy and integrity of the actual production data influence the reliability and stability of sintering process in steel industry. However, the actual production data may encounter various outliers due to noise, sensor failure, and operator negligence existing in this process. To tackle this issue, this article develops an original framework …
WhatsApp: +86 18221755073Flow diagram of iron ore sintering process [13] The mix is sintered on a continuous, traveling grate called a sinter strand, which consists of multiple trolleys whose number is specific for the given sinter strand [14] (Fig. 4). In the heat zone, where the temperature is from 1250 to 1320°C on average, fine grains 64 Patrycja Łechtańska and ...
WhatsApp: +86 18221755073The sintering process can be defined as a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel (coke) with the objective of obtaining a product with the suitable characteristics (thermal, mechanical, physical, and chemical) to be fed to the …
WhatsApp: +86 18221755073The 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 iron-making process), and to minimize the energy consumption and environmental impacts. Several methods may be considered to address these issues.
WhatsApp: +86 18221755073A 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. The mathematical model is formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations.
WhatsApp: +86 18221755073The following advantages are mainly realized in iron ore sintering process to treat MSWI-FA: (1) MSWI-FA can be used as calcium based flux in sintering process, and the high temperature process is conducive to the decomposition of dioxins (Wong et al., 2020); (2) Sintering has a complete flue gas purification system, which can deal with …
WhatsApp: +86 18221755073When sintering a metal powder, such as iron powder, under atmospheric pressure a protective gas should be used. ... The sintering process improves the mechanical strength for handling; Work with Difficult …
WhatsApp: +86 18221755073Considering that iron compounds in furnace burden can be reduced to elemental iron by coal powder in sintering process, the reaction behaviors and properties of red mud in reduction sintering ...
WhatsApp: +86 18221755073The sintering process is an intricate system with a protracted process flow. The steps in the manufacturing line are primarily composed of the ingredients and …
WhatsApp: +86 18221755073The municipal solid waste incineration fly ash (MSWI-FA) contains a large amount of heavy metals, and the process of iron ore sintering and treating fly ash needs to pay attention to the migration characteristics of heavy metals. The impact of the application of MSWI-FA in the sintering process on the emission law of heavy metals …
WhatsApp: +86 18221755073Finally, 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 18221755073Although many efforts have been made for improving the drum granulation performance, for the iron sintering process, the effect of nuclei particle shapes and internal drum baffle setting are less reported. There is still a need for in-depth exploration of drum granulation. In particular, to reduce the computational cost, most of authors used ...
WhatsApp: +86 18221755073Abstract. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves …
WhatsApp: +86 18221755073The iron ore sintering process has the capability to handle and utilize complex raw materials, allowing for the reasonable utilization of zinc extraction residue. The addition of zinc extractant has been found to improve the sintering index, metallurgical properties, and gaseous pollutant emissions without significant negative effects. ...
WhatsApp: +86 18221755073This process is widely studied and researched in the iron and steelmaking industry. In this context, achieving an adequate sintered product depends on the …
WhatsApp: +86 18221755073The iron ore sintering process includes proportioning, mixing and granulating, feeding, igniting, sintering with ventilation, crushing, cooling and screening phases (Du et al., 2020, Hu et al., 2018). The operators are most concerned with the combustion process on the sinter strand, as shown in Fig. 1.
WhatsApp: +86 18221755073