specific heat of ladle furnace slag

(PDF) Energy and Exergy Analysis of a Ladle Furnace

In this work, the second law of thermodynamics is applied to the industrial ladle furnace (LF) with a capacity of 55-57 tons of melted steel to evaluate the physical exergy during the steel ...

Ladle Furnace Slag in Construction | Request PDF

Ladle furnace reducing slag is a common byproduct in steelmaking of carbon and low alloy steels. After air cooling and weathering over several days, this material is completely ground into fine ...

Missouri University of Science and Technology Scholars' Mine

oxide on the alloy surface. Important sources of oxygen are furnace slag and air contact (slag carryover and air entrainment during tapping). 2. Other sources of oxygen include slag remaining in the furnace (or ladle) from previous heats, oxygen dissolved in the metal, air

Ladle Furnace - an overview | ScienceDirect Topics

The required heating energy depends not only on the desired temperature increment but also on the amount and thermal properties (specific heat) of the alloys which are added in the ladle. Except for heating ladle furnace is an excellent place to make desulfurization with slag, Ca-treatment, and other alloying and trimming additions.

Study on The Thermal Properties of Concrete Containing ...

Study on The Thermal Properties of Concrete Containing Ground Granulated Blast Furnace Slag, Fly Ash and Steel Reinforcement Bekir Erdem Bas In this study, the thermal and mechanical properties of two types of concrete were measured. The first type contained ground granulated blast furnace slag, and the second type contained Class F fly ash.

Solar Energy Materials and Solar Cells

of two electric arc furnace (EAF) slag samples were studied. In TES system, as heat storage material, slag will meet with high temperature and low temperature environment. The wear resulted from heat expansion and cold contraction of slag with storaging and releasing energy process was addressed. The results revealed that slag is a

Thermal properties and friction behaviors of slag as ...

Aug 01, 2018· From RT to 500 °C, the specific heat capacity of c slag increased from 0.717 J/(g·K) to 0.975 J/(g·K) and the value of s slag increased from 0.713 J/(g·K) to 0.858 J/(g·K). The measured specific heat capacity of both slags show similar values to …

factory price wholesale refractory steel ladle lining ...

Wholesale high quality magnesia carbon brick factory priceMagnesium-carbon brick is a non-carbon-burning composite refractory material bonded by a carbonaceous binder. Magnesia-carbon brick is mainly used in the inner lining of the converter, AC electric arc furnace, DC electric arc furnace, and the bottom of the slag line in a molten pool of ladle.

What is the specific heat of slag? - Answers

Feb 18, 2012· Specific heat capacity (quite often called specific heat) is the amount of heat that a given mass of a material must absorb to raise its temperature by a …

What are the Lining of the Heating Furnace?

Sep 27, 2020· Anti-dry slag castable, suitable for the bottom of the heating furnace, and the place where iron oxide slag is deposited. The use temperature can reach 1600℃. Its main characteristics are high refractoriness, good thermal shock resistance, and good resistance to the corrosion of iron oxide slag in the heating furnace.

Steady mathematical model of ladle furnace heat work

Fig. 3 Example of the total heat loss components of the ladle furnace. 4 Conclusion Calculations show that the steady heat balance model of a ladle furnace is usable in practice. It is necessary that the adjustable parameters in the model were adapted to specific conditions of the concrete ladle furnace.

(PDF) Properties of Blast-Furnace Slag Cement Concrete ...

As reported by Saito et al., autogenous shrinkage of concrete may be reduced by modifying blast-furnace slag fineness used and the content of gypsum in the binder [7]. Recently, GGBS with a specific surface area of at least 2750 cm2/g and less than 3500 cm2/g was developed. This has been used for low heat slag cement as a concrete additive [8].

EP3099825A1 - Use of ladle furnace slag from al-killed ...

EP3099825A1 EP15703108.9A EP15703108A EP3099825A1 EP 3099825 A1 EP3099825 A1 EP 3099825A1 EP 15703108 A EP15703108 A EP 15703108A EP 3099825 A1 EP3099825 A1 EP 3099825A1 Authority EP European Patent Office Prior art keywords killed steel killed slag furnace slag ladle Prior art date Legal status (The legal status is an assumption and is not a legal …

Effect of EMS on Inclusion Removal in Ladle Furnace for ...

amount of furnace slag into the ladle is slag skimming in combination with a tilting ladle car equipped with an EMS. At slag raking, the slag will be pushed towards the slag rake side under the electromagnetic force, move the steel upwards on the stirrer side of the ladle and make the slag removal more efficient and thorough. Figure 3.

Automatic Control System of Steel-Teeming Ladle Heating …

and brick lining work row of slag-line area made of periclase-carbonacious brick. The change in ladle construction allowed more rational arrangement of slag pots – steel teeming ladle is located in line with two slag pots in the furnace cinder tunnel [1]. Furnace slag cutoff method using steel-tapping hole with skimmer brick and vertical

The Potential of Ladle Slag and Electric Arc Furnace Slag ...

Slag A is an electric arc furnace type slag, while Slag R is a ladle furnace basic slag produced in the secondary stage of refining, when the steel is desulfurized. Due to these differences in production, the content of elements varies; for example Slag A has a higher content of SiO 2 and Al 2 O 3 than Slag R, but a lower content of CaO and MgO.

Thermal behavior of ecological plasterboard with ladle ...

This study analyzes the thermal behavior of different plasterboard with the addition of ladle furnace slag, with progressive substitutions of plaster for slag on 20%, 40%, 60% and 80%.

Characterization of Ladle Furnace Slag from Carbon Steel ...

Jun 15, 2016· In this research, using high pressured air, the molten ladle furnace slag was cooled down rapidly, and the crystallization of these harmful components were prevented. Furthermore, because of amorphous phases and chemical composition of C 12 A 7, and β-C 2 S, the pulverized rapidly air cooled ladle furnace slag showed rapid setting properties ...

Hydration properties of ladle furnace slag powder rapidly ...

LADLE FURNACE AND SECONDARY METALLURGY TRAINING …

Jan 17, 2010· Type and power of stirring Ladle furnace geometry. Temperature, °C CVS MAKINA - LF TRAINING - D.E. 75 Heating The electric arcs are immersed in a slag which absorbs a large part of the heat and transfers it to the metal bath.The slag is superheated 50- …

Steel Slag - Material Description - User Guidelines for ...

Mar 08, 2016· These different types are referred to as furnace or tap slag, raker slag, synthetic or ladle slags, and pit or cleanout slag. Figure 18-1 presents a diagram of the general flow and production of different slags in a modern steel plant. The steel slag produced during the primary stage of steel production is referred to as furnace slag or tap slag.

Study and Measurements of Waste Heat Recovery of Slag in ...

The slag produced in an ore refining or smelting process of a blast furnace, is almost 30 % of metal produce, and at 0a temperature @ 1150 C. ... temperature is 1500 0C and that Specific heat of slag is 0.24 KJ/Kg0C, ... ladle available for collecting slag, etc. The report of Kolhapur foundry sector is studied and decided the visit plan

Impact of Plasterboard with Ladle Furnace Slag on Fire ...

Mar 06, 2019· The thermal behavior at different doses of white slag is also studied with plasterboard specimens with dimensions of (300 × 400 × 15) mm. The heat transference coefficient by wall-air convection has values from 2.76 W/m 2 °C to 12.01 W/m 2 °C, which allows assessment of the thermal conductivity of these materials as a function of the amount ...

Use of statistical analyze for calculation of specific ...

Jan 01, 2007· For average temperature of the slag [T.sub.b]=1423 K, for normal work of the furnace, according to equation (4) till (12), approximate calculation of specific heat of slag component is done. Gained results are given in histogram introduced in fig. 2.

US Patent for Methods of protecting furnace electrodes ...

May 11, 2020· A method for forming a protective antioxidative barrier on the furnace electrodes using a chemically altered cooling liquid containing an antioxidant additive. This method can be applied to electrodes used in electric arc furnaces and ladle metallurgy furnaces. The method can involve spraying the cooling liquid onto the electrode, thereby forming the protective antioxidative barrier and ...

development of manufacturing process for blast furnaceiron ...

Granulation characteristics of molten blast furnace slag by hybrid. 1/1/2018· 1. Introduction Molten blast furnace (BF) slag is one of the main by-products in the iron-making process, and has a yield of 300 kg/t-pig iron .The heat contained in molten BF slag (1500 C) reaches up to 1600 MJ/t.Globally, the production of pig iron was nearly 1153 ...

250+ TOP MCQs on Furnaces for Melting and Answers

What is the function of slag hole in a cupola furnace? a) To tap the slag generated b) To generate the slag ... It has a mean specific heat of 0.237 cal/g o C and heat required for melting 1 Kg of iron is 1022 kJ. ... Ladle furnace d) Crucible furnace

Recycling Method of Waste Refractory Bricks in Steelmaking

Oct 08, 2016· The apparent porosity was 5.1% and 4.0%, the specific gravity was 2.83 and 2.80, The compressive strengths were 50 and 40 MPa, respectively. ...

Development of the Technology of Electric Arc Furnace ...

May 05, 2016· Fig 2 Heroult arc refining furnace. Evolution of EAF steelmaking technology. Since the first industrial EAF for steel making came into operation, development was rapid and there was a tenfold increase in production from 1910 to 1920, with over 500,000 tons steel being produced by EAFs in 1920, though this represented still only a very small percentage of the global production of steel of that ...

Hydration Properties of STS-Refining Slag-Blended Blast ...

May 17, 2018· The refining process using an aluminum deoxidizer for fabricating stainless steel generated steel slag (STS-refining slag (SRS)) that contains a large amount of Al 2 O 3 and is a compound of mainly 12CaO·7A l2 O 3 and 3CaO·A l2 O 3 . When SRS was mixed with slag cement, rapid exothermic reaction occurred in the initial phase of hydration.

HEAT RECOVERY FROM MELTED BLAST FURNACE SLAG …

Blast furnace slag is a byproduct of iron making. For 1000 kg of iron, approximately 290 kg of slag is formed. When the melted slag leaves blast furnace, its temperature is about 1800 K. In Japan, approximately 24 million tons of blast furnace slag is formed annually (1). The heat of melted slag produced annually in Japan is

Control of Gas Bubbles and Slag Layer in a Ladle Furnace ...

Physical System — The ladle system simulated in this paper is shown in Figure 2. The ladle inner diameter is 2.85 m, the melt height is 2.80 m and the initial slag layer thickness is 0.10 m. Different positions of the porous plug have been studied. Control of Gas Bubbles and Slag Layer in a Ladle Furnace by Electromagnetic Stirring

Control of H2S Emissions During Slag Quenching

ladle train of slag is poured over the ... furnace slag and the pit dimensions, heat losses from the sides of the pit are relatively small. Therefore, a one- ... Specific heat (liquid phase) Slag emissivity Natural con-vection coef-ficient Heat transfer to ground 130 (Ib/ftf) 2550 (°F)

Characterization of ladle furnace basic slag for use as a ...

May 01, 2009· However, the practical application of ladle furnace basic slag (LFS) differs from the latter due to its special characteristics. Ladle furnace basic slag, or refining slag, is produced in the final stages of steelmaking, when the steel is desulphured in the transport ladle, during what is generally known as the secondary metallurgy process.

Treatment and characterisation of electric arc furnace ...

Oct 01, 2007· Blast Furnace Slag (BFS) from the crude or pig iron production in blast furnace. Steel slag from a Basic Oxygen Furnace (BOF) and the Electric Arc Furnace (EAF). Ladle refining slag from the steel refining processes in the ladles. The blast furnace slag after granulation and grinding finds extensive use in cement and concrete.

specific heat of ladle furnace slag

If you have any questions, please feel free to contact us.

Important Links

Latest Products

Subscribe Us