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, rocklike aircooled slag Granulated slag The molten slag is cooled rapidly by jets of pressurized water, resulting in a vitreous, granulated slag

Slag Wikipedia

The water carries the slag in its slurry format to a large agitation tank, from where it is pumped along a piping system into a number of gravel based filter beds The filter beds then retain the slag granules, while the water drains away and is returned to the system

Blast furnace slag granulation at cast house – IspatGuru

May 05, 2013· The fine mesh on the exterior of the drum retains the granulated slag and allows the water to filter through The granulated slag layer at the bottom of the drum creates a self filtering effect After dewatering the residual moisture of the granulated slag is around 8% to 10 % The dewatered water is cleaned, cooled and recycled The dried slag

Blast Furnace Slag an overview | ScienceDirect Topics

Three significant types of BFS that are granulated, aircooled, and expanded slags can be produced depending on the cooling and solidifying methods of molten slag Granulated blast furnace slag (GBFS) is obtained by rapidly quenching the molten slag by using highpressure water jets

USA Method for treating granulated blast furnace

A method for treating a water slurry of granulated blast furnace slag containing particles of granulated slag having a size consist of about 0635 centimeter × 0 (1/4 inch by 0) wherein a size separation of the particles is made at about 100 sieve The sink fraction ie coarse particles larger than 100 mesh are partially dewatered and thermally dried prior to being comminuted with raw

Cited by: 16

The Exploitation of Blast furnace Slag as Sand Replacement

Application of steel slag sand results reduced the cement clinker dosage and increasing the content of industrial waste products Use of non ground granulated blast furnace slag as fine aggregate in concrete was experimented by Isa Yuksel and Omer Ozkan [5]

Author: Ahmed Serag Faried, Magdy A Abd Elaziz, Taher A Tawfiq

USA Apparatus for dewatering granulatedslag

Molten slag is granulated with water to produce a granulatedslag/water sry that is fed into the bottom of a horizontally extending foraminous drum This drum has radially inwardly extending vanes and is rotated to lift up the granulated slag and separate it from the water, discharging the slag onto a conveyor belt for storage or further use

Cited by: 15

Ground Granulated Blast Furnace Slag (GGBS) | Chemical

May 09, 2018· This slag is periodically tapped off as a molten liquid and then rapidly quenched with large volumes of water This process optimizes the cementitious properties and produces granules like coarse sand This granulated slag is then dried and ground to a fine powder It is also knows as slag cement because it has similar properties as cement clinker

Ceramic membrane synthesis based on alkali activated blast

The main purpose of this research is synthesis of zeolite ceramic membranes based on alkali activated blast furnace slag for pervaporation separation of ethanol/water mixture (90 wt%) A new and simple method was applied to fabricate these ceramic membranes

Cited by: 5

Method for treating granulated blast furnace slag Justia

A method for treating a water slurry of granulated blast furnace slag containing particles of granulated slag having a size consist of about 0635 centimeter times 0 (1/4 inch by 0) wherein a size separation of the particles is made at about 100 sieve The sink fraction ie coarse particles larger than 100 mesh are partially dewatered and thermally dried prior to being comminuted with raw

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BAOSTEEL BSSF TECHNOLOGY FOR SLAG PROCESSING

slag to granulated slag within 35 minutes Small footprint Concentrate on the discharge of steam, is conducive to the installation of dust removal devices, reduce air pollution Grain processing, storage silo slag, dust less to avoid environmental pollution better separation between slag

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Ground Granulated Blast Furnace Slag an overview

Slag Ground granulated blastfurnace slag, more commonly referred to as slag or slag cement, is a byproduct of steel production Slag is primarily composed of CaO, SiO 2, aluminum oxide (Al 2 O 3), and magnesium oxide (MgO) When used as part of a portland cement concrete, slag reacts with both the water (latent hydraulic reaction) and the

Slag Cement Questions

Slag cement (also called ground granulated blast furnace slag) is a hydraulic cement produced during the reduction of iron ore to iron in a blast furnace Molten slag is tapped from a blast furnace, rapidly quenched with water ("granulated"), dried and ground to a fine powder

Ground Granulated Blast Furnace Slag in Concrete and its

This slag is later granulated by cooling it For this, it is allowed to pass through a highpressure water get This result in quenching of the particles which results in granules of size lesser than 5mm in diameter The main constituents of blast furnace slag are CaO, SiO2, Al2O3 and MgO

Terminology and Specifications Slag Cement

Ground Granulated BlastFurnace Slag as a Cementitious Constituent in Concrete 4 (Reported by ACI Committee 233) This report primarily addresses the use of slag cement as a separate cementitious material added along with portland cement in the production of concrete

Method for treating granulated blast furnace slag

Dec 30, 1980· A method for treating a water slurry of granulated blast furnace slag containing particles of granulated slag having a size consist of about 0635 centimeter × 0 (1/4 inch by 0) wherein a size separation of the particles is made at about 100 sieve

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UDC 669 054 82 : 669 184 244 66 Processing and

ed slag produced by rapidly cooling hot molten slag (initially at a temperature of about 1,500°C) with a jet of highpressure water Granulated slag is vitreous and looks sandy It is similar in chemical composition to Portland cement and hardens when it reacts with water Therefore, about 80% of granulated slag is used as a raw materi

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“Ground Granulated Blast Slag (GGBS) In Concrete – A Review”

that floats on top of the iron This slag is periodically tapped off as a molten liquid and if it is to be used for the manufacture of GGBS it has to be rapidly quenched in large volumes of water The quenching optimises the cementitious properties and produces granules similar to coarse sand This „granulated‟ slag is then dried and

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4 Aggregate Specifications and Requirements

7) Shells unfossilized shell of fresh water clams 8) Coal, wood, and other foreign materials 9) Materials with loosely cemented grains and/or a weathered coating Coke and Iron Coke and iron are of concern only with the slag materials Coke is an ingredient in the steel making process Slag

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Why is the glass content of a granulated slag tested in

Why is the glass content of a granulated slag tested in the laboratory of the Portland cement plant? To be of use as a supplementary cementitious material (ie partial replacement for Portland cement) the ground, granulated, blast furnace slag (GGB

Silicomanganese Slag Recycling Solution

There are two types of silicomanganese slag: watergranulated slag and dry bulky slag, so we have two treatment process of silicomanganese slag to introduce 1watergranulated slag recycling solution The watergranulated slag is loose and granular The alloy in watergranulated slag is with high liberation degree, simple crushing circuit is used

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(PDF) Nickel recovery from electric arc furnace slag by

During the pyrometallurgical treatment of the nickelbearing laterite in the plant of GMM SA LARCO, slag is produced after treatment in electricarc furnace (EAF) that contains 010 to 020 % Ni

Processing of Granulated Blast Furnace Slag and its

Granulated Blast Furnace Slag (GGBFS, or GGBFS, or BFS) is the most used material in cement industry to make slag cement How is GBFS made? What are the processing and its applications? Process: water quenching Generally speaking, GBFS is formed by water quenching

[PDF]

“Ground Granulated Blast Slag (GGBS) In Concrete – A Review”

that floats on top of the iron This slag is periodically tapped off as a molten liquid and if it is to be used for the manufacture of GGBS it has to be rapidly quenched in large volumes of water The quenching optimises the cementitious properties and produces granules similar to coarse sand This „granulated‟ slag is then dried and

Why is the glass content of a granulated slag tested in

Why is the glass content of a granulated slag tested in the laboratory of the Portland cement plant? To be of use as a supplementary cementitious material (ie partial replacement for Portland cement) the ground, granulated, blast furnace slag (GGB

Silicomanganese Slag Recycling Solution

There are two types of silicomanganese slag: watergranulated slag and dry bulky slag, so we have two treatment process of silicomanganese slag to introduce 1watergranulated slag recycling solution The watergranulated slag is loose and granular The alloy in watergranulated slag is with high liberation degree, simple crushing circuit is used

Processing of Granulated Blast Furnace Slag and its

Granulated Blast Furnace Slag (GGBFS, or GGBFS, or BFS) is the most used material in cement industry to make slag cement How is GBFS made? What are the processing and its applications? Process: water quenching Generally speaking, GBFS is formed by water quenching

Ground Granulated BlastFurnace Slag | Request PDF

Since the discovery of the latent hydraulic reactivity of ground granulated blastfurnace slag (ggbfs) by Emil Langen at the end of the 19th century, this material has been used successfully as

Ground granulated blastfurnace slag

Dec 17, 2015· Groundgranulated blastfurnace slag is obtained by quenching molten iron slag from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a

A RECIRCULATORY SYSTEM FOR THE GRANULATION OF MOLTEN SLAG

Oct 26, 1971· Granulated slag sluicing launder 17 has a sufficient slope downwardly in the direction of the coarse slag particlesetting separation section or pit 22 of receptacle 20, as shown in FIG 1, to assure the passage of the mixture of hot water and coarse and fine slag particles therein down its entire length for discharge from the lower end of the

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NATIONAL SLAG ASSOCIATION

Cementitious Applications of Ground Granulated Blast Furnace Slag MF 1845 NATIONAL SLAG ASSOCIATION wwwnationalslagassoc Page 4 10 Lighter color 11 Lower cost HISTORY OF USE Use of separatelyground slag combined with portland cement at the mixer began in South Africa more than 30 years ago Watergranulated slags are used in 5050

Use of Slag | VDChari

Jul 07, 2018· USES OF SLAG Slag is a broad term covering all non metallic coproducts resulting from the separation of a metal from its ore Its chemistry and morphology depends on the metal being produced and the solidification process used Slag can be broadly categorized as ferrous (iron/steel) and nonferrous (copper, lead/zinc) depending on the industry from

(PDF) Nickel recovery from electric arc furnace slag by

During the pyrometallurgical treatment of the nickelbearing laterite in the plant of GMM SA LARCO, slag is produced after treatment in electricarc furnace (EAF) that contains 010 to 020 % Ni

[PDF]

Separation of Metals from a Slag Using a Multicell Jig

Vol2, No2 Separation of Metals from a Slag Using a Multi cell Jig 141 conditions, the heavy layer is built up to almost the height of the feed point) This ensures good rades But increasing the hutch water much beyond this limit will result g in lower recoveries

Granulated slag dehydrator russianpatents

SUBSTANCE: dehydrator includes drum with perforated shell, which can rotate, inside which granulated slag transportation elements are mounted, slagwater pulp supply device and inclined gravityflowing chute Elements for transportation of granulated slag to chute are made in the form of sector boxes formed by means of radial walls installed

disposal of slag from blast furnace MC Machinery

Slag is produced during the separation of the molten steel from impurities in the furnace, which is comprised of a complex Discussion of blast furnace slag recycling of a factory IEEE Blast furnace slag disposal has experienced the following development: as a waste treatment, use in subgrade and foundation engineering, to the stage of

Indiana General Assembly Indiana Register

The start of Taxpayer's process of creating "granulated slag" is the addition of water, which is not materially different than its production of the other slag However, because of the extra water and pressure that is required to be used in order to create "granulated slag," Taxpayer must have excess water drained prior to further transport

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