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blast furnace slag

  • Blast Furnace operation: HOW A BLAST FURNACE WORKS

    Aug 04, 2011· The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom.

  • Blast furnace Slag Research Papers - Academia.edu

    This blast furnace slag is used to make a cementitious material by grinding it into a fine powder, which is called Ground Granulated Blast Furnace Slag or GGBS. The same blast furnace slag is used to make a glassy granular product (GBFS) which can be used as fine aggregate.

  • Tarmac | Blast Furnace Slag

    The rapid cooling of molten slag by large quantities of water produces sand-like granule aggregate. Primarily ground into a cement replacement known as ground granulated blast furnace slag (GGBS) this is used in ready-mixed and precast concrete and masonry, floor levelling compounds and high temperature resistant building products.

  • Blast Furnance Slag - User Guideline - Embankment or Fill ...

    Corrosivity: Blast furnace slag is mildly alkaline, with a pH in nonstagnant water mixtures in the range of 8 to 10. Despite the fact that blast furnace slag contains a small component of elemental sulfur (1 to 2 percent), the leachate is slightly alkaline and does not present a …

  • MSDS: Slag Material Safety Data Sheet

    Material Safety Data Sheet Section 1: PRODUCT AND COMPA NY INFORMATION Product Name(s): Slag Product Identifiers: NewCem ®, Litex TM Lightweight Aggregate, True Lite Lightweight Aggregate TM, Vitrex TM Pelletized Slag, Ground Granulated Blast Furnace Slag (GGBFS), Blast Furnace Slag,

  • Ground granulated blast-furnace slag - Wikipedia

    Blast furnace slag materials are generally available from slag processors located near iron production centers. Cements containing ground granulated blast furnace slag are available from many producers of Portland cement or directly from ground granulated blast furnace slag cement manufacturers.

  • Blast Furnace Slag - an overview | ScienceDirect Topics

    Blast Furnace Slag. Blast furnace slag (BFS) is a product of iron production, which has been widely investigated and utilized, particularly as a supplementary cementitious material for cement or alkali-activated material, owing to its high hydraulic property or alkali activation reactivity.

  • Types of iron and steel slag : NIPPON SLAG ASSOCIATION

    Blast furnace slag is recovered by melting separation from blast furnaces that produce molten pig iron. It consists of non-ferrous components contained in the iron ore together with limestone as an auxiliary materials and ash from coke. Approximately 290 kg of slag is generated for each ton of pig iron. When it is ejected from a blast furnace ...

  • Blast Furnace Slag Wholesale, Slags Suppliers - Alibaba

    Alibaba.com offers 746 blast furnace slag products. About 18% of these are slag, 2% are industrial furnace, and 1% are other construction & real estate. A wide variety of blast furnace slag options are available to you, such as free samples.

  • 21AA Blast Furnace Slag | Edw. C. Levy Co.

    21AA Blast Furnace Slag conforms to all the requirements of Michigan Department of Transportation "2012 Standard Specifications for Construction", section 902 "Aggregates" Usage Guide: The 21AA Blast Furnace Slag should be placed 6″ to 18″ thick depending upon ground conditions and design loadings, in lifts not exceeding 8″.

  • Blast furnace - Wikipedia

    A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air (sometimes with ...

  • Effects of Ground Granulated Blast Furnace Slag in ...

    Slag cement is often referred to as "ground granulated blast-furnace slag" (GGBFS). As requested in 2001 by slag cement manufacturers and the Slag Cement Association, the American Concrete Institute officially reviewed and changed the terminology from GGBFS to slag cement (ACI Committee 233, 2004).

  • How to Make Cement From Blast-Furnace Slag

    Table of ContentsGranulating SlagSlag CementPortland Cement made from Slag and LimestoneIron Portland CementSpecial CementsSlag BricksDiscussion The successful establishment of iron blast-furnace plants at Newcastle and Lithgow naturally invites attention to the economic utilization of the various products and by-products arising out of the industry.

  • Blast Furnace - an overview | ScienceDirect Topics

    The blast air causes the iron oxides, flux, and coke to react and iron, carbon monoxide and blast-furnace slag is produced. The molten iron and blast-furnace slag is collected at the base of the furnace, while the gases are recirculated for fuel in the sinter process, after separation of particulate material (Cooper, 2005).

  • Blast Furnace (1940-1949) - YouTube

    Apr 13, 2014· Coke Iron Ore and Limestone is put into the blast furnace. Hot air is pumped from the stoves into the blast furnace, gas is released. Animation of the processes. Slag and iron are produced. Shot ...

  • Blast Furnace Slag Cement - Manufacture, Properties and Uses.

    Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties.

  • Ground Granulated Blast Furnace Slag (GGBS) | Chemical ...

    May 09, 2018· The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material. GGBS being a waste material, it needs proper method for disposal. So incorporating this waste material in concrete can reduce the depletion of conventional concrete components

  • Blast Furnace Slag – IspatGuru

    Apr 10, 2013· Blast Furnace Slag Blast furnace (BF) slag is a nonmetallic by product produced during the process of iron making in a blast furnace. It consists primarily of silicates, aluminosilicates, and calcium-alumina-silicates. The molten slag usually absorbs most of the sulfur from the blast furnace …

  • Blast Furnace Control using Slag Viscosities and Liquidus ...

    Keywords: Pyrometallurgy, blast furnace, slag viscosity, slag liquidus temperature, phase equilibria Abstract – The viscosity of molten slag in blast furnace operations is an important process variable, influencing the rate and location of reactions inside the furnace, as well as the ease with which the final slag could be removed from the ...

  • Blast Furnace - YouTube

    May 03, 2010· Blast Furnace Modern furnaces are equipped with an array of supporting facilities to increase efficiency, such as ore storage yards where barges are unloaded. The raw materials are transferred to ...

  • What is slag cement

    Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. It is a recovered industrial by-product of an iron blast furnace. Molten slag diverted from the iron blast furnace is rapidly chilled, producing glassy granules that yield ...

  • UG-Mat Blast Furnace Slag | Recycled Materials Resource Center

    Blast Furnace Slag - Material Description ORIGIN In the production of iron, iron ore, iron scrap, and fluxes (limestone and/or dolomite) are charged into a blast furnace along with coke for fuel. The coke is combusted to produce carbon monoxide, which reduces the iron ore to a molten iron product.

  • Blast Furnace Slag | National Slag Association

    Blast Furnace Slag is formed when iron ore or iron pellets, coke and a flux (either limestone or dolomite) are melted together in a blast furnace.When the metallurgical smelting process is complete, the lime in the flux has been chemically combined with the aluminates and silicates of the ore and coke ash to form a non-metallic product called blast furnace slag.

  • Blast furnace | metallurgy | Britannica

    Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of a flow of air introduced under pressure into the bottom of the furnace with a mixture of metallic ore, coke, and flux fed into the top. Blast furnaces are used to produce pig iron from iron ore for subsequent

  • Properties of Hardened Concrete with Blast Furnace Slag

    The physical properties of Ground Granulated blast furnace slag (GGBFS) provides advantages to the concrete in fresh state as well as in its hardened state. It is always recommended for a concrete mix design, that would provide us with a denser mass of concrete, i.e. a solid that is free from voids ...

  • Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

    SLAG Ground granulated blast-furnace slag (Fig. 3-5), also called slag cement, is made from iron blast-furnace slag; it is a nonmetallic hydraulic cement consisting essentially of sili-cates and aluminosilicates of calcium developed in a molten condition simultaneously with iron in a blast furnace. The molten slag at a temperature of about 1500°C