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steel slag and bf slag production 2010

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Slag Grinding Plant

The company specializes in manufacturing tube mills, rotary kilns, vertical mills and large steel casting and can undertake the EPC projects of cement production lines, active lime production lines, blast furnace slag/ steel slag/ nickel slag grinding plants, and its products are sold to more than 50 countries and regions in Southeast Asia ....

Technical Report UDC 669 162 275 2

kg per ton of pig iron produced, and the annual production of blast furnace slag (BF slag) in Japan exceeds 24 million t (all units herein are metric)1) As seen in Fig 1, BF slag is divided into air-cooled slag and granulated slag The former is produced by letting molten slag cool in open pits or yards, and the latter by rapidly cooling mol-...

Waste slag as alternative raw material in the ,

Waste slag as alternative raw material in the cement production Ferrous slag is produced by adding slagging agents such as limestone or dolomite and/or fluxing materials to blast furnaces and steel furnaces to strip the impurities from iron ore, steel scrap, and other iron or steel input feeds...

86 IRON AND STEEL SLAG

86 IRON AND STEEL SLAG (Data in million metric tons unless otherwise noted) Domestic Production and Use: When making crude (or pig) iron and crude steel, slagging agents are added to strip impurities from the iron ore in the blast furnaces and from the crude iron and scrap steel feeds to the steel ,...

Dry Granulation of Blast Furnace Slag

BF slag is rich in CaO, SiO2, Al2O3, and MgO which are similar to the components of Portland cement When this liquid BF slag is cooled fast enough then the solidified slag has a large percentage of glassy phase with high cementations activity and hence it can be used in the production of BF slag cement...

Steel Slag

This metals recovery operation (using magnetic separator on conveyor and/or crane electromagnet) is important to the steelmaker as the metals can then be reused within the steel plant as blast furnace feed material for the production of iron Additional information on steel slag aggregate use in the United States can be obtained from:...

Blast Furnace Slag

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...

Granulated Blast Furnace Slag

* The majority of components in Granulated Blast Furnace Slag are various glassy Metallic Silicates (Iron, Calcium, Magnesium, Aluminum, and Titanium Silicates), including: Dicalcium Silicate (Ca 2 SiO 4 ) 14284-23-2, Merwinite (Ca 3 MgSi 2 O 8 ) 13813-64-4, and Gehlenite (Ca 2 Al 2 SiO 7 ) 1302-56-3...

Iron and steel slag

apply to this mineral commodity Slag production data for the world are unavailable, but it is estimated that annual world iron slag output in 2010 was on the order of 230 to 270 million tons, and steel slag about 120 to 180 million tons, based on typical ratios of slag to crude iron and steel output...

86 IRON AND STEEL SLAG

US ferrous slag production, but domestic slag sales1 in 2019 were estimated to be 17 million tons valued at about $470 million Blast furnace slag was about 50% of the tonnage sold and accounted for 88% of the total value of slag, most of which was granulated Steel slag produced from basic oxygen and electric arc furnaces accounted for the...

FACT SHEET Steel industry co

plants often use a mix of DRI and recycled steel feeds On average the production of one tonne of steel results in 200 kg (EAF) to 400 kg (BF/BOF) of co-products These include slags, dusts, sludges and other materials Ironmaking and steelmaking slags More than 400 million tonnes of iron and steel slag is produced each year...

Blast Furnace Slag Cement

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 properti...

The potential utilization of slag generated from iron

Oct 29, 2019· Along with iron and steel production, large amount of slag is generated Proper management on the iron- and steelmaking slag is highly demanded due to the high cost of direct disposal of the slag to landfill, which is the most adopted management approach In this article, the potential application of iron- and steelmaking slag has been reviewed, which included the slag utilization in ....

Statistics 2010

production 6% others 6% final disposal hydraulic engineering interim storage 3% fertilizer 3% internal use for metallurgical purposes cement production / concrete addition 660/6 road construction 230/6 interim storage others granulated blast furnace slag 820/6 air-cooled blast furnace slag BOS -slag 48% secondary steel slag EAF - slag (high alloy...

Steel Slag

Steel slag can also be produced by smelting iron ore in a basic oxygen furnace According to methods for cooling molten steel slag, steel slag is classified into five types: natural air-cooling steel slag, water-spray steel slag, water-quenching steel slag, air-quenching steel slag, and shallow box chilling steel slag ,...

UDC 669 054 82

and composition adjustment The yield of iron/steel slag is about 300 kg/t-p per ton of pig iron for blast furnace slag and about 100-150 kg/t-s per ton of molten steel for steelmaking slag In Japan, some 40 million tons of iron/steel slag are presently produced annu-ally (Table 1) Technology UDC 669 054 82 : 669 184 244 66...

Blast furnace slag

Blast furnace slag Blast furnace slag is formed during the production of hot metal by thermo-chemical reduction in a blast furnaceDuring this continuous process, iron ore or pellets as well as fluxes (lime[stone] and/or dolomite) are heated under reducing conditions in the presence of heated air...

Steel Slag

STEEL SLAG User Guideline Granular Base INTRODUCTION Steel slag can be used as aggregate in granular base applications It is considered by many specifying agencies to be a conventional aggregate and can normally exceed the aggregate requirements for granular aggregate base...

How to Make Cement From Blast

It has been prophesied that in a few years nearly all cement will be made by some process from blast-furnace slag The writer is indebted to Mr G D Delprat, general manager Broken Hill Proprietary Company Limited, for kind permission to use data in connection with the blast-furnace slags made at the Newcastle iron and steel works Discussion...

blastfurnace slag production

Blast furnace slag - Euroslag Blast furnace slag Blast furnace slag is formed during the production of hot metal by thermo-chemical reduction in a blast furnace During this continuous process, iron ore or pellets as well as fluxes (lime[stone] and/or dolomite) are heated under reducing conditions in the presence of heated air...

production iron and steel slag of china

of MS Slag Tata steel reported production of 3,563,651 tonnes of BF Slag The information regarding plantwise capacity of iron and steel slag in the country is given in Table- 1 16-3 SLAG IRON AND STEEL THM : Tonne Hot Metal Blast Furnace Slag In the blast furnace, the slag floating over molten pig iron (hot metal) is flushed out in slag pot ....

Blast Furnace Slag

This molten iron product can be cast into iron products, but is most often used as a feedstock for steel production Blast furnace slag is a nonmetallic coproduct produced in the process It consists primarily of silicates, aluminosilicates, and calcium-alumina-silicat The molten slag, which absorbs much of the sulfur from the charge ....

Ground granulated blast

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powderGround-granulated blast furnace slag is highly cementitious and high in CSH (calcium silicate hydrates) which is a strength enhancing ....

Basics of slag production

Oct 27, 2011· With world steel production now well over a billion tonnes per year, the slag that arises from some of the processes involved is a major resource Traditionally it has been used mainly as an aggregate but for some types there are other applications, such as a raw material for cement or as a fertiliser , In tonnage terms, blast furnace slag ....