Utilization of induction furnace steel slag in concrete as …
IF steel slag is a secondary melting slag in which ferrous metal scrap and fluxes are melted using an electromagnetic field to produce steel/cast iron and it generates 10–15% of by- product as slag. Induction furnace slag is not used in the cement/aggregate production due to its low content of CaO, it also has high content of iron oxide.
Scrap Preheating for Steel Melting Induction Furnaces
3. Preheating of scrap is not yet an adopted practice for the Induction Furnace (IF) process. Preheating of scrap and DRI to 450-650 Degree C would considerably decrease heat timing and save electricity. Cap topped IF's can be modified for utilization of waste heat for preheating of scrap and DRI. But as most Induction Furnaces are open ...
Experimental Study on use of Electric ARC Furnace Slag in ... - IJERT
One of the major problems was the disposal the industrial waste. Many industrial waste materials can be getting recycled and can be used for some construction purposes. The materials used for pavement construction was coarse aggregate, soil and bitumen. In our study we use electric arc furnace slag as coarse aggregate for pavement construction.
Substituting brick aggregate with induction furnace slag for ...
In this study, the potential of waste induction furnace slag (IFS) as a replacement of brick aggregate was investigated. The effects of replacing crushed brick aggregate by IFS aggregate on properties of concrete were studied, for varying mix design parameters including W/C ratio (0.45 and 0.50), cement content (340, 375, and 400 kg/m 3 ), and ...
Dross Removal Skimmers - Lanexis
The best method of taking molten metal samples and for skimming slag from induction furnaces and ladles. The products are supplied in a range of sizes from 275 cm3 to 2000 cm3 capacity. Designed for obtaining samples for spectrographic analysis, test bars and thermal analysis samples. Molten metal samples can be retrieved in a cost efficient ...
Recovery and purification of metallic silicon from waste …
The holding time was varied from 30 min to 60 min. The detail experimental conditions are listed in Table 2 and the schematic diagram of induction furnace employed to carry out the separation of silicon from waste silicon slag is shown in Fig. 1.
Channel Induction Furnaces - HarbisonWalker International
Channel induction furnaces are commonly used for melting low-melting-point alloys and/or as a holding and superheating unit. Channel induction furnaces consist of a refractory-lined steel shell that contains molten metal. The two types of channel furnaces are horizontal and vertical. Horizontal furnaces are lined with brick refractory, while ...
Recovery and purification of metallic silicon from waste silicon slag ...
The holding time was varied from 30 min to 60 min. The detail experimental conditions are listed in Table 2 and the schematic diagram of induction furnace employed to carry out the separation of silicon from waste silicon slag is shown in Fig. 1.
Slag recycling - recovery
The terms blast furnace slag (BFS) and granulated blast furnace slag, as well as LD slag and electric furnace slag are used for finer distinctions. ... The Waste Framework Directive 2008/98/EC also regulated the recycling of iron and steel slags. Fig. 6 shows the recycling of blast furnace slag for 2018. The production volume was 20.7 Mta, of ...
Induction furnace testing of the durability of prototype crucibles …
Low-carbon Fe is induction melted without a slag in a rammed magnesia crucible. At the beginning of melt-down Al pig (99.95% Al) charged in a clay- graphite bottompouring crucible is placed in a pot furnace at 1800 deg F. ... An induction furnace for melting and casting highly pure metals and alloys such as uranium and uranium alloys in such …
Basics of slag production - Article on the slag industry ... - Global Slag
In tonnage terms, blast furnace slag is at present the main type followed by slags from the Basic Oxygen Steelmaking (BOS) and Electric Arc Furnace (EAF) processes. Various other processes such as external desulphurisation of steel may generate significant amounts of slag at some plants but overall they are only a small proportion of the total.
Intoduction to Steel Slag - Blast Furnace Slag - Academic …
What is/are Steel Slag? Steel Slag - In this way, the steel slag, a residue of the steel industry, stands out. [1] Iron and steel slags exhibit great potential due to their high alkali content and reactivity. [2] The basic mechanical properties of steel slag concrete with waste thermal steel slag instead of the coarse and fine aggregates in concrete are studied and compared with the …
Chemical composition of steel slag | Download Table - ResearchGate
In this study, antibacterial activity of iron oxide (Fe2O3) nanocomposites based on induction furnace (IF) steel slag has been carried out.IF steel slag is …
Chrome-Alumina DVC Lining | Coreless Induction Furnaces
The solubility of MgO in a CaO-FeO-CaF 2 slag at 1550°C is about 4% but will quickly increase above 10% or more after progressive SiO 2 enrichment of the slag along the dephos process [7]. The table below displays an example of the evolution of a dephos slag in a lab coreless furnace lined with a basic 85% MgO lining.
Metallurgical resource recovery from waste steelmaking slag from ...
Abstract. Steel slag from an electric arc furnace (EAF) may contain significant amounts of oxides of valuable metals. The recovery of iron and other metals from the EAF slag using smelt-reduction ...
Benefits of Incorporating Induction Furnace Slag in Concrete as ...
Benefits of Incorporating Induction Furnace Slag in Concrete as Replacement of Cement: A Case Study of Pakistan Mohammad Laeeque Ahmed, Muhammad Afzal Javed, Abdul Sami Qureshi; Affiliations Mohammad Laeeque Ahmed Department of Civil Engineering, The University of Lahore, Lahore ...
Sand For Concrete From Steel Mills Induction Furnace Waste …
aggregates, no studies have been performed regarding the use of induction furnace slag in concrete as aggregates replacing natural aggregates. In making mild steel ingot scrap to sponge iron is fed into the induction furnace which produces large quantity of slag. For example Kotdwar a small town of Uttarakhand Steel Mills induction furnances alone
Development and Testing of …
Nigeria . Adewuyi R. A. 1, Adefidipe E.R. 2, and Ukachi P.A . 1. ... However, conventional furnaces for producing cast ironare induction furnaces of different types, electric arc furnaces, and cupola furnaces. ... furnace is usually used for melting waste cast iron for the production of parts e.g. block engine, cylinder head. GSJ: Volume 8 ...
Utilization of induction furnace steel slag based iron oxide ...
Metals and metal oxide-based nanocomposites play a significant role over the control of microbes. In this study, antibacterial activity of iron oxide (Fe2O3) nanocomposites based on induction furnace (IF) steel slag has been carried out. IF steel slag is an industrial by-product generated from secondary steel manufacturing process and has various metal oxides …
induction furnace cleaning of copper slag - domyszalay.pl
Bearing Capacity of Strip Footing Rest on Reinforced, unreinforced copper slag and induction furnace slag overlay compacted silty clay ie double layer system and their effectiveness using model tank tests in ....
Blast Furnace Slag - Material Description - User …
Blast furnace slag is a nonmetallic coproduct produced in the process. It consists primarily of silicates, aluminosilicates, and calcium-alumina-silicates. The molten slag, which absorbs much of the sulfur from the charge, comprises about 20 percent by mass of iron production. ... TRT Terms: Waste products as road materials--Handbooks, manuals ...
Effects of Induction-Furnace Slag on Strength Properties …
Recycling of industrial wastes for concrete production is currently the utmost effective way of managing wastes for a cleaner environment and sustainable products. This study investigates the...
Sand for Concrete From Steel Mills Induction Furnace Waste Slag
The main advantages are all the elimination of scraps and a reduction in the over exploitation of quarries. Figure 1: Induction Furnace Slag. Blast furnace slag is used in blended cement. Although many studies have been conducted on the evaluation of the electric arc furnace slag to be use in concrete as aggregates replacing natural aggregates ...
Control of Slag Defects and Insoluble Buildup in Melting …
Figure 1 shows typical slag buildup in a coreless induction-melting furnace. The areas of slag deposits are at a much lower temperature than the center of the furnace walls. Slag also is deposited in areas midway down the c rucible lining, where insufficient metal turbulence from magnetic stirring occurs. Channel Furnaces Another type of ...
Induction Furnaces and Electric Arc Furnace - Hani Tech
The electric furnace is representative. 1. The induction furnaces are heated faster and have higher thermal efficiency. The heat is generated in the furnace (liquid steel), so the heating speed is high. In the arc furnace, the heat of the arc after the material is cleared must be transferred to the molten steel through the slag, which is ...
Recycling of induction furnace steel slag in concrete for …
In the present investigation, induction furnace (IF) steel slag as coarse aggregate with 0%, 20% and 40% replaced concrete specimens of size 150 × 150 × 150 mm was prepared as an initiative to utilize iron-rich IF steel slag. The casted concrete specimens were cured for 28 days at room temperature (28 °C) in freshwater, and the obtained compressive …
US20050247162A1 - Precious metals recovery from waste
A method of recycling electronic waste and recovering valuable metal components from electronic waste which involves feeding electronic wastes such as cell phones, computers, pagers, personal data assistants, handheld global positioning devices, MP3 players, calculators, batteries, etc. into an induction furnace that is changed with a mass of liquid iron.
Management and Treatment for Decommissioned Combustible …
Made available by U.S. Department of Energy Office of Scientific and Technical Information ...
Blast Furnace Slag - Material Description - User Guidelines for Waste …
Blast furnace slag is a nonmetallic coproduct produced in the process. It consists primarily of silicates, aluminosilicates, and calcium-alumina-silicates. The molten slag, which absorbs much of the sulfur from the charge, comprises about 20 percent by mass of iron production. ... TRT Terms: Waste products as road materials--Handbooks, manuals ...
Cupola - an overview | ScienceDirect Topics
In the cupola (Fig. 1.1 – pos.1), coke is combusted releasing heat that is utilised for heating and melting raw materials. Most rock melts have temperatures in the range from 1300−1600°C. The cupola furnace is a system for melting magma rocks and supplements. In the cupola furnace, several chemical and thermodynamic processes take place.
Melting Time Prediction Model for Induction Furnace Melting …
A system-level evaluation was used to analyze the induction furnace operation and process system in this study. This paper presents an investigation into the relationship between the instantaneous chemical composition of a molten bath and its energy consumption in steelmaking. This was evaluated using numerical modelling to solve for the estimated melting time …
HSN Code for Furnace in India - Export Genius
Search HSN code for Furnace in India. HSN Code. Product Description. 2619. Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel. 261900. Slag dross (other than granulated slag) scalings and other waste from the manufacture of iron or steel: 26190010. Converted slag (scull) of blast furnace.
Making Non-fired Brick Using Locally Produced Induction Furnace Steel Slag
In the present study, the non-fired bricks were made using induction furnace steel slag generated in the local steel mills of Bangladesh. Induction furnace steel slag, cement, hydrated lime mixtures with gypsum as a binder were used to make bricks. The slag composition was varied by 0%, 25% and 50%. The bricks were cured under water for 7, 14 and 28 days. …
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Induction furnace slag is such material that can be used as cement replacement [11]. This material considers being a potential waste material which is dumped near the industrial area. Using a cheaper SCM like induction furnace slag (IFS) will reduce the total cost of producing HPSCC. ... Ota, Ogun State, Nigeria. The fine aggregate-sized slag ...
Recovery and purification of metallic silicon from waste silicon slag ...
Qian [26] recovered silicon from silicon slag using high-temperature resistance furnace and medium-frequency induction furnace by …
Reclamation of Induction Furnace Slag by Separation of Metal …
1) Slag of induction furnace is crushed in pulverizer. These pulverizer is generally used to make powder of hardened sand mould. 2) Crushing is done by means of hammer mounted on roller. 3) Metal is separated by use of plate type magnetic separator. Used for lifting & handling of ferromagnetic particles.