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Water granulated steel slag

  • Blast Furnace Slag Granulation at the Cast House IspatGuru

    May 05, 2013· The granulated slag and water slurry is distributed evenly over the whole length of the drum. Axial vanes inside the drum continuously lift the granulated slag and deposit it onto a conveyor belt located above the distributor. The fine mesh on the exterior of the drum retains the granulated slag and allows the water to filter through.

  • Granulated Blast Furnace Slag - Australasian (iron & steel

    Granulated Blast Furnace Slag (GBFS) Brief Description . GBFS is formed when molten blast furnace slag (BFS) is rapidly quenched from the furnace, rather than left to slowly solidify by air-cooling.. Physical Description. On casual examination, GBFS would pass for river sand, with a top size of about 6mm.

  • separation of water from granulated slag

    The granulated slag and water slurry is distributed evenly over the whole length of the drum. Axial vanes inside the drum continuously lift the granulated slag and deposit it onto a conveyor belt located above the distributor. The fine mesh on the exterior of the drum retains the granulated slag and allows the water to filter through.

  • Review on Ground Granulated Blast-Furnace Slag as a

    which combats deterioration of steel.Use of GGBS in the concrete generates less heat while mixing with the water against cement. It also helps to reduce the heat of hydration resulting less shrinkage and temperature cracks in the concrete. Fig.1 Blast furnace slag and ground granulated blast furnace slag

  • Slag Cement Granulated Blast Furnace Slag

    Slag Cement Granulated Blast Furnace Slag 11 Benefits of the Concretes Produced with Blast Furnace Slag Cement Hydration The reaction between blast furnace slag cement and water is a complicated process. This involves the activation of the slag with alkalis and sulphates in order to form its hydration product. Some of these are

  • Slag Granulation with Continuous Dewatering Ironmaking

    The granulated slag and water mix is distributed evenly over the whole length of the drum. Axial vanes inside the drum continuously lift the slag sand onto a conveyor belt for immediate evacuation. The fine mesh on the exterior of the drum retains the slag sand and allows the water to filter through.

  • Ground Granulated Blast Furnace Slag - Tata Steel

    Tata Steel IBMD is one of the leading suppliers of GGBS and the product has been used in construction of many iconic structures in India. The Ground Granulated Blast Furnace Slag (GGBS) is obtained by grinding blast furnace slag in water or steam. This process leads to a glassy, granular product that is then dried and ground into a fine powder.

  • Dry Granulation of Blast Furnace Slag - Steel 360

    Apr 04, 2019· To obtain glassy phase, liquid slag is normally subjected to water granulation process. Rapid cooling of liquid slag in the water prevents the crystallization of slag and breaks the slag into small particles by thermal stress. Liquid slag freezes in an amorphous granulate, called granulated BF slag.

  • Ground improvement : Iron and steel slag products : NIPPON

    The construction involved laying 60 cm of granulated blast furnace slag (approximately 550,000 m 3) on a 90-cm layer of marine sand in the Shin-Moji No. 1 coast project area, and 90 cm of granulated blast furnace slag (approximately 650,000 m 3) on a 90-cm layer of marine sand in the No. 2 project area.

  • Granulated Blast Furnace Slag - an overview

    Granulated blast furnace slag should contain calcium oxide (CaO), magnesium oxide (MgO), and silicon dioxide (SiO2), the sum of which should account for at least two-thirds of the mass. The remaining third contains aluminium oxide (Al2O3), with small amounts of other compounds. In addition, the ratio by mass (CaO + MgO):SiO2should exceed 1.0.

  • Effect of Water Granulation Conditions on Density and

    Water granulated blast furnace slag has a latent hydraulic property, and it has been confirmed that the compressive strength of concrete increases after 20 years when blast furnace fine aggregate is

  • RECENT DEVELOPMENTS IN DRY SLAG GRANULATION: A

    uses water to fragment and quench the molten slag. The slag is first granulated via launder granulation and tank granulation. In launder granulation, molten slag is granulated and quenched with pressurized water jets. In tank granulation, molten slag is directly poured into large quantities of stirring water. The slag/water slurry is

  • 86 IRON AND STEEL SLAG - USGS

    Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old slag piles at about 129 processing plants (including some iron and steel plants with more than one slag-processing facility) in 33 States, including facilities that import and grind unground slag to sell as ground granulated blast furnace slag (GGBFS).

  • Iron and Steel Slag Utilization: A Comprehensive Analysis

    spraying with water. This results in a crystalline, rock-like air-cooled slag. Granulated slag is formed when the molten slag is cooled rapidly by jets of pressurized water, resulting in a vitreous, granulated slag. Steel Making Slag:

  • Mineral Resource of the Month: Iron and Steel Slag

    Dec 27, 2015· Air-cooled blast furnace slag and steel slag are cooled under ambient conditions, resulting in hard, dense slag that is especially suitable for use as inexpensive aggregates. Granulated blast furnace slag is formed by quenching molten slag in water to form sand-sized glassy particles.

  • Effect of Water Granulation Conditions on Density and

    Water granulated blast furnace slag has a latent hydraulic property, and it has been confirmed that the compressive strength of concrete increases after 20 years when blast furnace fine aggregate is

  • Ohio EPA Policy Use of Blast Furnace and Steel Slag

    steel slag and blast furnace slag must meet applicable environmental regulations pertaining to dust control and storm water runoff. POLICY: 1. Use of steel slag and blast furnace slag in asphalt is encouraged from an environmental perspective. 2. Use of blast furnace slag in concrete is encouraged from an environmental perspective. 3.

  • GENERAL INFORMATION Iron & Steel Slags about NSA IRON

    Processed steel slag is strong, hard, durable, dense and roughly cubical particles which make it especially suitable for use in road construction. Not all steel slag is expansive, but water quenching is the first step in weathering of steel slag which may be essential to provide a stable, non-expansive construction material. In the cooling process,

  • GROUND GRANULATED BLASTFURNACE SLAG (GGBS)

    GROUND GRANULATED BLASTFURNACE SLAG (GGBS) 7 13. DISPOSAL CONSIDERATIONS Waste treatment methods Product Uncontaminated spillages can be reused. Dispose of according to the local legislation. Avoid entry into the sewage water system. Contaminated packaging Completely empty the packaging and process it according to local legislation. 15

  • Applications of Steel Slag Powder and Steel Slag Aggregate

    Jan 30, 2018· The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable water content, and pore structure of paste and the compressive strength of concrete and by observing the morphologies of hardened paste and the concrete fracture surface. The results show that the fluidity of the paste

  • Types of iron and steel slag : NIPPON SLAG ASSOCIATION

    The molten slag flows into a cooling yard, where it is cooled slowly by natural cooling and by spraying with water. This results in a crystalline, rock-like air-cooled slag. Granulated slag The molten slag is cooled rapidly by jets of pressurized water, resulting in a vitreous, granulated slag.

  • CURRENT DEVELOPMENT OF SLAG VALORISATION IN

    BF slag Water granulated Ground granulated BF slag powder as cement and concrete material 48.5 Cement mortar material 46.5 Air cooled Blinding 5.0 Steel slags A series of Ground granulated steel slag powder as cement and concrete material 5.4 Portland cements grades 30.1 Bricks 1.1 Road construction and backfilling 63.4

  • Environment-Friendly Block, Ferroform, Made from Steel

    in concrete. Of these materials, steelmaking slag, ground granulated blast-furnace slag, and water are essential. If recycled water is used, Ferroform can be manufactured entirely from recycled materials. Ferroform is manufactured by mixing, placing and curing these materials. Since this

  • Effect of Water Granulation Conditions on Density and

    Water granulated slag for fine aggregate of concrete dif- fers from water granulated slag for cement, in that a high density granulated slag with a unit weight 1.45 kg/l or more is demanded for use in concrete.

  • CN202830051U - Ironmaking blast furnace water granulated

    The ironmaking blast furnace water granulated slag water filter device comprises a water filter bin (1) which is arranged below a water granulated slag bin (6) and is characterized in that the

  • 1. PRODUCT NAME BLAST FURNACE SLAG BASE AND

    of water. (2) Granulated slag is the glassy, granular product formed when the molten blast furnace slag is rap-idly chilled by immersion in water. Basic Use: Aggregates are used for all types of base and subbase construction. In addition to applications requiring graded aggregates, pit run blast furnace slag is extensively used for subbase

  • (PDF) The mineralogy of air granulated converter slag

    Steel slag is the main waste product in the steelmaking process. Because of its chemical composition and technical properties, it can be reused as raw material in steel plants and can serve as a

  • (PDF) Utilization of carbonated and granulated steel slag

    An experimental program was carried out to investigate the possibility of producing carbonated granulated steel slag aggregate (CSA) to replace common natural aggregate (NA) like limestone,

  • Processing of Granulated Blast Furnace Slag and its

    The glassy and granular material is generated when slag is rapidly chilled by immersion in water. The most common process for granulating blast furnace slag involves the use of high water volume, high pressure water jets in direct contact with the molten blast furnace slag at

  • IBMD - Granulated Blast Furnace Slag Manufacturer in India

    The process of slag granulation involves pouring the molten slag through a high-pressure water spray in a granulation head, located in close proximity to the blast furnace. Granulation process is the controlled quenching of the slag in cold water which does not give time for crystalline growth to take place.

  • JFE Steel Corporation - Slag - Blast-furnace cement

    Granulated blast-furnace slag is produced by using water to rapidly cool molten slag. This type of slag is sold as a raw material for cement in Japan and overseas.

  • Slag Suppliers - ILHAN TRADING

    Slag cement (Ground granulated blast- furnace slag): A hydraulic cement formed when granulated blast-furnace slag is ground to a suitable fineness. Granulated blast-furnace slag: The glassy, granular material formed when molten blast-furnace slag is rapidly chilled as by immersion in water. Also referred to as granules. Get a Slag Quote Today!

  • SAFETY DATA SHEET Ground Granulated Blast Furnace Slag

    GGBFS derives from a by-product of the steel industry produced by adding limestone flux to the ore to remove non-ferrous contaminants. This raw product is then milled to a fine powder form for its intended use. All significant constituents are listed below: Chemical Entity Proportion CAS Number Granulated Blast Furnace Slag >90% 65996-69-2

  • Slag recycling - recovery

    The use of iron and steel slag has a long tradition in Japan [4]. However, the produced quantity of blast furnace slag decreased from 25.4 Mta in 2007 to 23.0 Mta in 2017, but the proportion of granulated slag rose slightly from 82.6 % to 84.4 %. By international comparison, these figures give Japan a

  • Dry Granulation of Blast Furnace Slag for Energy Recovery

    Aug 09, 2014· The liquid BF slag freezes in an amorphous granulate, called granulated BF slag. The non crystallization rate of the water granulated BF slag can reach to a level of 95 %. By contrast, the glassy phase obtained during crystallization of liquid BF slag by slow cooling in the air is quite limited.

  • Effects of Ground Granulated Blast Furnace Slag 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). The term slag cement will be used throughout this paper when referring to finely-ground granulated blast-furnace slag.

  • Utilization of carbonated and granulated steel slag

    Jun 01, 2015· In this study, the granulated steel slag aggregate made into spherical shape of different sizes with all fine ground steel slag was treated by accelerated carbonation process with a certain temperature, humidity and CO 2 pressure for 4 h,,. 2.