EFFECTS OF INDUCTION-FURNACE SLAG ON …
induction principle, made use of in foundries [11]. Induction furnace slag is a basic slag that is different from blast furnace slag which is an acidic slag. Therefore, IFS is non-toxic, non ...
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Iron- and Steel-Making Process
Alloy steels are generally made in EA and electric induction furnace. The most commonly used is BOF process as it delivers very high productivity and flexibility to produce high-quality conventional steel. ... Herein, the molten metal along with slag (produced during iron processing in blast furnace) is to be separated by a barrier called ...
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Experimental investigation on the influence of induction furnace slag
IFS experience uniform heating and more likely to form complex compounds of silica from adhering sand, iron oxides from steel scrap, other oxidation products during smelting and of refractory linings [9].As a result, presence of stable minerals similar to the di-calcium silicate phase [10] such as silica (SiO 2), limestone (CaO) and heavy metal oxides in induction …
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Effects of induction furnace slag on the durability properties of
It is a bye-product of the industrial processing of cast iron which occurs through electromagnetic induction (Mahmud et al ... Induction furnace slag was mixed with cement in the varying proportions of 0%, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55% and 60%. In sum, 13 concrete mix types were formulated during the process. With zero ...
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The steel production transformation process in Europe: New slag …
The main challenge of the steel industry for the next decade is the steel production transformation process, starting in Europe. The CO 2 intensive blast furnace/basic oxygen furnace (BOF) route will be substituted by a combination of Direct Reduced Iron (DRI), based on natural gas, later on "green" hydrogen, with an Electric Arc Furnace (EAF) or a Submerged Arc Furnace (SAF), …
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Iron making in induction furnace for casting steel billets
Liquid iron in 50 tons ladle from induction furnace was poured into the EOF vessel and the required quantities of calcined lime was added for the removal of sulphur and phosphorus. ... During this refining process, slag was removed intermittently. It is known that, at certain conditions above 1600 °C, phosphorus from the slag enters the bath ...
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Controlling Slag Defects, Insoluble Buildup in Melting …
Viscous non-metallic slags can negatively affect coreless, channel, and pressure-pour furnaces, causing slag formations on the furnace and/or inductor walls. The adhesions and/or build-up interfere with melting, thereby …
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Basic Oxygen Steelmaking Slag: Formation, Reaction, and …
1 Introduction. The basic oxygen steelmaking (BOS) process produced over 70% of the global crude steel in 2018, [] generating 100 to 150 kg of slag ("BOS slag") for every tonne of crude steel produced. BOS slag, a product of hot metal element (e.g., Si, Mn, Fe, P) oxidation and flux (e.g., lime, dolomite) dissolution, plays a critical role in the production of high-quality …
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Induction Furnace and Important Operational Aspects
The slag consists of a complex liquid phase of oxides of iron, manganese, magnesium and silicon, silicates and sulfides plus a host of other compounds, which may include alumina, calcium oxides and sulfides, rare earth oxides and sulfides etc. ... One of the most critical problems with the induction furnace steel making process is its ...
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BSRM: Using induction furnace slag to replace clay bricks …
Bangladesh Steel Re-Rolling Mills Limited (BSRM): An innovative project for utilising induction furnace slag to replace unsustainable fired clay bricks and stone chips
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Energy improvement in induction furnace using foaming slag …
process and electrical arc furnace using foaming slag to reduce energy consumption. As such, in this case study, the experiment will be conducted in a small foundry metal casting laboratory using an Induction Furnace (IF), which will reduce energy usage by using the foaming slag and as well point-ing out the importance and the impact of carbon
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Induction Furnace Melting
Induction furnace melting is a process of melting metal by using electromagnetic induction to produce eddy current heating in metal materials in induction furnace, also called induction melting. It is applicable to melting high-grade alloy steel, high-grade cast iron, high-temperature alloy, electrical engineering alloy, etc., as well as ...
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Mild Fluxing Restores, Maintains Electrical Efficiency …
Induction furnaces provided an economical way for iron foundries to melt and hold large quantities of molten metal, and they allow great flexibility in production requirements. However, controlling slag generation and …
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Effects of induction furnace slag on the durability properties of
Induction Furnace Slag is known to contain about 15% metallic constituent. It is a bye-product of the industrial processing of cast iron which occurs through electromagnetic induction (Mahmud et al., 2017). The slags are usually dumped on foundry sites as industrial wastes which contaminate the land and thus reduce the soil fertility [38].
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Energy improvement in induction furnace using foaming slag …
The induction heating process has been considered as high pro-ductivity, repeatable quality, and green heating technology compared to other fuel-fired furnaces (Dang, 2012). The aim of this …
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Production of Steel in Induction Furnace
If in induction furnace, it is a process which requires 10 tons of liquid steel to be tapped per heat and the heat cycle is such that it can only achieve 66.67 % utilization, then it is necessary to have power supply capable …
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induction furnace iron slag processing – Grinding Mill China
slag,iron furnace slag,slag processing,induction furnace slag …. We are into the steel manufacturing by the process of induction melting furnace since last 10 years, but right from the beginning as we came to know that slag (the … » Free online chat! slag,iron furnace slag,slag processing,induction furnace slag …. We offer a range of vibrating table, which used to settle …
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Effect of the lining and smelting technologies on slag
Results are presented from studies of the reasons for the formation and growth of slag crusts in the crucibles of induction furnaces during the smelting of cast iron. It is established that crust formation and adhesion of slag to the furnace lining are caused by interaction of the lining material with reactants in the melt. The degree of slag incrustation and adhesion …
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Preparation of Synthetic Titania Slag Relevant to the Industrial
A high titania slag that is used as a feedstock for TiO2 manufacturing is obtained by ilmenite smelting (FeO.TiO2). The composition of the slag obtained by smelting is dependent on the composition of the mineral used for slag preparation, i.e., ilmenite in our study. At the laboratory scale, ilmenite slags are mostly obtained by using ilmenite as the raw material. An …
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Comparison of Mechanical Properties of Induction Furnace …
The major components of the induction furnace slag sample were: Fe 2 O 3 and SiO 2. Significant amounts of Al 2 O 3 and MnO were also present. In contrast, the arc furnace slag contained a larger amount of CaO. A comparison of the major components of mixed induction furnace slag and arc furnace slag can be seen in Table 4.
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The Preparation of High-Purity Iron (99.987%) Employing a Process …
In this step, the composition of slag is adjusted to dephosphorize, if necessary. Step 3, the high basicity slag is dosed to refining for deoxidation. Similar to the process investigated in this study, researchers [9,10,11] have studied the process of smelting pure iron with DRI in an induction furnace, which has delivered good results. However ...
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Utilization of induction furnace steel slag based iron oxide
Keywords Induction furnace steel slag · Nanocomposite · Iron oxide · Antibacterial activity · Antimicrobial agent · Biodeterioration 1 Introduction Industrial by-products utilization and management is a major challenge among researchers globally, and many solutions have been initiated. In steel industry, steel manu-
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Method for dephosphorization and desulphurization in process of …
The invention provides a method for dephosphorization and desulphurization in the process of steel production in an induction furnace, which is characterized by comprising the following steps of: during the smelting period and the initial period of total meltdown of charging materials, controlling the temperature of molten steel to below 1,450 EDG C, performing …
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Control of Slag and Insoluble Buildup in Ladles, Melting and …
During the melting process, slag is generated from oxidation, dirt, sand and other impurities. Slag can also be generated from the scrap, erosion and wear of the refractory lining, oxidized …
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Removal of Phosphorous from Steel Produced by Melting …
In induction furnace category, coreless induction furnaces are very popular. As per the report published by Ministry of Steel, Government of India [1], total production of crude steel of India for the year 2009–2010, is 64.87 million MT. Out of 64.87 million MT, 31 % steel was pro-duced using induction furnaces. The main raw material for ...
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RESEARCH OF IRON EXTRACTION FROM PRIMARY …
This work explores the possibility of involving primary steelmaking slag in the processing with the extraction of iron by re-melting the slag in an induction furnace and low-iron slag, which can ...
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Analysis of Induction Furnace Slag of Ferrous Foundry
Abstract— In process of cast iron and ductile iron production, secondary raw material and industrial wastes are formed. The most abundant waste originating in the process is induction …
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The Preparation of High-Purity Iron (99.987%) …
In this study, high-purity iron with purity of 99.987 wt.% was prepared employing a process of direct reduction–melting separation–slag refining. The iron ore after pelletizing and roasting was reduced by hydrogen to obtain direct reduced iron …
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Iron Melting
An induction furnace is also a device that uses electromagnetic induction to heat metal. It can be used to melt metal. ... temperature control and the stability of the reaction in the furnace. 4. Iron tapping and slag discharge: ... Furnace post-processing: After pig iron is obtained, further smelting or alloying may be required to achieve the ...
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Managing Slag Build-up in Channel Induction Furnaces
After 11 months of operation from a newly relined furnace, slag build-up reduced the working furnace capacity to less than 35 tons. Build-up was so severe that adhering slag was over 15 inches thick and extremely tenacious in clinging to the furnace walls. The slag build-up was nearly impossible to remove during routine weekend maintenance.
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