Learn how Outotec offers optimized technology solutions for nickel and cobalt products from various raw materials using hydrometallurgical processes. Explore …
WhatsApp: +86 182217550732.3 HIsmelt []. The process HIsmelt is also termed as 'high intensity smelting'. In the process, liquid iron is produced straight from the iron ore. The process (Fig. 3) treats iron ore fines with minimum of pre-treatment, providing a flexibility to quality of iron it can handle.Iron ore fines and non-coking coal with significant impurities could be …
WhatsApp: +86 18221755073In the 70 year history of the Flash Smelting process for sulphide concentrates [2], significant equipment development was needed in the completely new smelting …
WhatsApp: +86 18221755073The converter is an indispensable key equipment in the steel manufacturing industry. With the increasing demand for high-quality steel, there is an increasing demand for monitoring and controlling the status of the converter during the smelting process. Compared to other manufacturing industries, such as food processing and textile, …
WhatsApp: +86 18221755073What is slag? Slag is fully named ground-granulated blast-furnace slag (GGBFs), a by-product produced by metallurgical smelting plants. In addition to iron ore and fuel (coke), appropriate limestone and dolomite should also be mixed to lower the smelting temperature in the smelting process.
WhatsApp: +86 18221755073The Bayesian optimization support vector regression (BO-SVR) model was used to predict the copper content in the slag and matte grade by combining plant production data with …
WhatsApp: +86 18221755073Electric Induction/Fuel Fired Furnaces – for smelting gold and silver concentrate; Baghouses and Scrubbers – for particulate and gas removal; Slag Handling and Pouring Equipment – Slag Pots and Carts, 3500 and 5000 oz Ag Molds, 1000 oz Au Molds, Mold Stands, and Slag Crushing and Separating Equipment, other items
WhatsApp: +86 18221755073Materials. The smelting slag used in this study was obtained from a copper plant in China. Mineralogical analysis, performed using scanning electron microscope (SEM) and energy dispersive X-ray spectroscope (EDS), polarizing microscope and X-ray diffraction (XRD), indicated that fayalite (Fe 2 SiO 4) and magnetite (Fe 3 O 4) phases …
WhatsApp: +86 18221755073Iron processing - Smelting, Refining, Alloying: The primary objective of iron making is to release iron from chemical combination with oxygen, and, since the blast furnace is much the most efficient process, it receives the most attention here. Alternative methods known as direct reduction are used in over a score of countries, but less than 5 percent of iron …
WhatsApp: +86 18221755073The production of primary lead is a process of extracting lead from lead sulfide concentrate by smelting. Smelting process mainly includes sinter plant–blast furnace route and direct smelting reduction process as shown in Figs. 2 and 3, including oxidation, reduction, and refining (Sohn and Olivas-Martinez, 2014).In sinter plant–blast …
WhatsApp: +86 18221755073regression (BO-SVR) model was used to predict the copper content in the slag and matte grade by combining plant production data with machine learning. The data features of the relevant copper smelting parameters were extracted using the BO-SVR model, and the data were fitted to obtain the interaction relationship functions between the variables.
WhatsApp: +86 18221755073's Outotec DRI Smelting Furnace is the perfect electrical solution for replacing blast furnaces when combined with a direct reduction plant. The flexible process, which produces molten metal directly usable in downstream steel making processes, is based on proven proprietary equipment and decades of experience in smelting furnaces.
WhatsApp: +86 18221755073This study compares the CO 2 emissions of different copper smelting and converting technologies using simulation-based life cycle assessment. It shows that the …
WhatsApp: +86 18221755073During the melting process, the substance transitions from its solid to liquid state, whereas smelting is the process of extracting metal from ore by heating it over its melting point. Tools and materials needed for smelting. A variety of tools, materials, and equipment are required to carry out the smelting process.
WhatsApp: +86 18221755073Plant and process support services Outotec's advanced plant and process assessment services help you identify areas with the greatest potential for improvement. We can assess everything from individual equipment, automation systems, and metallurgical processes, to complete plants. With our extensive knowledge of process …
WhatsApp: +86 18221755073The smelting process can be divided into three stages, namely decomposition of high-valence sulphide, oxidation of sulphide, and matte smelting and slagging reaction (Fig. 1).The efficiency of matte smelting and matte-slag separation, as well as the extent of copper losses to slag are mainly affected by the oxidation/reduction potential, matte …
WhatsApp: +86 18221755073In the field of zinc smelting and manufacturing, the primary challenge faced by each smelting plant is to mitigate the environmental issues associated with solid waste such as smelting slag, respond to the call for sustainable development, and enhance the economic efficiency of the smelting plants [1,2].Given the relatively high content of …
WhatsApp: +86 18221755073In the gold mining industry, smelting is the final stage of extracting pure gold from ore. This process involves melting the gold-laden material to separate the precious metal from impurities. Here, we'll delve into the two primary methods used to smelt gold-loaded carbon from cyanide leaching plants: desorption electrolysis and direct …
WhatsApp: +86 18221755073The three-stage process (smelting, slag reduction and slag fuming) is shown Figure 16. However, the stages applied in practice are mostly smelting and slag reduction, while the fuming stage is only necessary if zinc recovery is required. For plants with a capacity above 100,000 tpa, each stage can be carried out using a single furnace.
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WhatsApp: +86 18221755073The slag tapholes are opened by means of a mud-gun drill, and oxygen lancing is very seldom necessary. The slag is tapped onto a short water-cooled copper launder before falling into the water launder. Rake classifiers are employed to separate the slag and water. The slag is conveyed to two dewatering silos and thereafter placed on a slag dump.
WhatsApp: +86 18221755073Aluminum processing - Smelting, Refining, Alloying: Although there are several methods of producing aluminum, only one is used commercially. The Deville process, which involves direct reaction of metallic sodium with aluminum chloride, was the basis of aluminum production in the late 19th century, but it has been abandoned in favour of the more …
WhatsApp: +86 18221755073Ore Selection: The type and quality of the ore are crucial factors that impact the efficiency and quality of the smelting process. 6. Protective Gear. Safety First: Personal protective equipment (PPE) is essential for operators working in smelting plants. This gear includes heat-resistant gloves, face shields, safety glasses, ear protection ...
WhatsApp: +86 18221755073Learn how Outotec's Flash Smelting technology is the cleanest and most efficient method for producing copper and nickel from sulfide concentrates. Explore the benefits, …
WhatsApp: +86 18221755073ABSTRACT Improving metal–slag separation in pyrometallurgical processes is increasingly important. Due to the harsh conditions, direct observations of the molten phases behavior in the settler of the Outotec Flash Smelting Furnace (FSF) are not possible and the ways to improve metal settling can only be studied by simulation and …
WhatsApp: +86 18221755073The fundamental feature of the flash smelting process is its capability to utilise the combustion energy of sulphidic raw materials, by conducting a carefully …
WhatsApp: +86 18221755073Nickel processing - Extraction, Refining, Alloying: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher …
WhatsApp: +86 18221755073The utilisation of computational thermodynamics enables a rigorous management of the phase equilibria in industrial multi-components slag-matte-metal …
WhatsApp: +86 18221755073The footprint of the plant was constrained by the available space on site, and the total length of the plant was not negotiable, which meant that the length of the dual strand slag casting machine (shown in gold in Fig. 9) had to be chosen to fit the site, rather than to fit the process. The predicted solidification capacity of the slag casting ...
WhatsApp: +86 18221755073Jak E, Hidayat T, Shishin D, Mackey P, Hayes P. 2019. Modelling liquid phases and metal distributions in copper converters: transferring process fundamentals to plant practice. Miner Process Extract Metall (TIMM C). 128(1-2):74–107.
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