Development of Refractory Materials for Ladle Lining

The overall performance of the slag line magnesia carbon brick has been greatly improved. In recent years, the changes in the physical and chemical properties of ladle slag line bricks are shown in Table 3. Since 2012, the magnesia carbon brick formula has been adjusted three times to improve the grade of magnesia.

The properties and mechanism of microbial mineralized steel slag bricks

Steel slag is a major by-product of the steel refinery process [1].And the amount of it is generally 12–20% of crude steel production [2].Chinese steel production is expected to reach 8.14 million tons, with an annual output of more than 120 million tons of steel slag, and it is predicted that the steel slag would remain rapid growth within more than 3000 tons per year in …

A Study on Molten Steel/Slag/Refractory Reactions …

descended from external sources like refractory bricks, slag or alloying materials. Theirs composition and size are directly depended of steel, slag or ceramic materials compositions. When the molten steel is treated in a ladle, the reaction between steel and the refractory lining have a great influence on the steel purity.

Data-Driven Predictive Modeling of Steel Slag Concrete …

Conventional concrete causes significant environmental problems, including resource depletion, high CO2 emissions, and high energy consumption. Steel slag aggregate (SSA), a by-product of the steelmaking industry, offers a sustainable alternative due to its environmental benefits and improved mechanical properties. This study examined the …

Influence of Solid Waste Material Content on the Properties of Steel …

Steel slag and waste clay brick are two common solid wastes in industrial production, and their complex chemical compositions pose challenges to the production of traditional alumina silicate ...

Basic Oxygen Steelmaking Slag: Formation, …

Basic oxygen steelmaking (BOS) slag, a product of hot metal element (e.g., Si, Mn, Fe, P) oxidation and flux (e.g. lime, dolomite) dissolution, plays a critical role in the production of high-quality crude steel, although its behavior inside the …

Exploitation of steel slags in clay bricks

The feasibility of steel slag recycling in bricks was assessed through laboratory trials on three different topologies of wastes and clay bodies. The use of slag, previously ground below 3 mm, is substantially possible for additions of 2-3% without particular hindrances of technological nature. Additions of up to 5-670

Optimizing Alkali-Activated Mortars with Steel Slag and …

The cement industry is known for being highly energy-intensive and a significant contributor to global CO2 emissions. To address this environmental challenge, this study explores the potential of using the waste materials of steel slag (SS) and eggshell powder (ESP) as partial replacements for cement in alkali-activated mortars (AAMs) production, activated by NaOH …

ECO FRIENDLY LOW-COST BIO-BRICK

The below chemical equation represents a biological process of the Bio-brick calcite precipitation. This chapter deals with the manufacturing process of Bio mineralised steel slag bricks by using bacteria and ... The bio mineralized steel slag bricks were tested in compressive strength testing machine This test is carried out by following the ...

Stainless Steel Slag Fundamentals – From Furnace to …

is the lack of slag chemistry and viscosity control. In many cases the slag tended to be too stiff to sustain an adequate . The following discussion will attempt to provide a better understanding on the key factors that control slag ing in stainless steel making. There are basically two requirements for slag ing (C-Steel and ...

Steel Slag—Its Production, Processing, Characteristics, and

Steel slag is a byproduct from either the conversion of iron to steel in a basic oxygen furnace, or the melting of scrap to make steel in an electric arc furnace. This paper reviews the production, processing, and characteristics of steel slag, and its use as a cementing component in different cementing systems. ...

Characteristics of bricks made from waste steel slag

The characteristics of bricks made from steel slag were investigated in this research. Slag addition was shown to reduce the required firing temperature. When the firing temperature was greater than 1050 °C and the slag addition less than 10%, the bricks met ROC national standard CNS 3319 third-class brick for builders. ...

Application of Steel Slag as an Aggregate in Concrete …

Typical morphology of steel slag [].(a) BOF steel slag.(b) EAF steel slag.(c) LF steel slag.BOF steel slag is the solid waste produced in the converter steelmaking process, and its discharge is approximately 100–150 kg per ton of BOF steel [20,21,22,23].BOF steel slag commonly has a grayish-white appearance and a vesicular nature, with many non-interconnected pores [].

Study on Compressive Strength and Water Permeability of Steel Slag …

In order to reduce stormwater runoff, permeable brick was prepared by compounding with fly ash and steel slag as the main substrate. The study found that the amount of steel slag has a significant influence on the compressive strength of permeable brick. When the proportion of steel slag is 6.5%, the compressive strength of permeable brick after 28 days …

Microstructure and mechanical properties of CO2-cured steel slag brick …

DOI: 10.1016/j.conbuildmat.2020.121581 Corpus ID: 228885692; Microstructure and mechanical properties of CO2-cured steel slag brick in pilot-scale @article{Hou2020MicrostructureAM, title={Microstructure and mechanical properties of CO2-cured steel slag brick in pilot-scale}, author={Gui-hua Hou and Zi-ming Yan and Jinfeng Sun and Hamdy M. Naguib and Bao Lu …

Chemistry of Steelmaking by Basic Oxygen Furnace

Iron oxidation – Oxidation of iron (Fe) is the most important for the BOS process since it controls (i) FeO content of the slag and O2 content in the steel, (ii) loss of Fe in the slag and hence affects the productivity of the steelmaking process, (iii) oxidation potential of the slag, and (iv) FeO helps in the dissolution of CaO in the slag.

High-temperature wetting behavior between slag and …

2.1 Slag corrosion. In presence of corrosion medium, refractories degrade due to a combination of chemical corrosion, mechanical action and thermal stress [22,23,24].It could be classified into direct corrosion and indirect corrosion [].The direct one occurs when the low-melting-point or high-melting-point phase of a substance directly melts or disperses in the …

Microstructure and mechanical properties of CO2-cured steel slag brick …

Analogous to steel slag tiles, the substitution of clay by steel slag seems limited in quantity (normally < 20 wt%) at the present stage due to the relatively high porosity of the bricks with the ...

The properties of the carbonated brick made of steel slag …

The optimal slaked lime/steel slag (SL/SS) ratio for the carbonated brick is 0.2 and the as-prepared brick meets the requirements of the Chinese standard for MU20-grade …

Preparation and Performance of Ceramic Tiles with Steel Slag …

Steel slag and waste clay bricks are two common types of solid waste. However, due to the absence of effective treatment methods, there has been a substantial buildup of these materials, resulting in serious environmental problems [8,9,10].In recent years, steel slag has been found to be valuable as a coarse aggregate or a mixing material in concrete, cement, backfilling …

Characteristics of Bricks made from waste Steel Slag

Pai-Haung et al. [9], produced bricks from steel slag and clay, the work concluded that bricks fired to 1050 0 C, with 10% steel slag in it met the Chinese national standard for a third-class ...

SH6WHHO6ODJ&HUDPLF

content of steel slag is 0%, 40%, 50% and 60% respectively to prepare steel slag ceramic bricks. The formula is as follows: Table 1.Steel slag ceramic formula table S/N Steel slag Talc Clay Feldspa Quartz 0 0 45 23 24 8 1 40 27 13.8 14.4 …

Chemical composition of brick and induction …

Steel slag, which is mostly calcium carbonate, is created as a by-product of the steel oxidation process, whereas copper slag is created as a by-product of the metal smelting process and copper...

Preparation and Performance of Ceramic Tiles with Steel Slag …

The results show that the optimal ceramic tile formula was 45% steel slag, 35% waste clay bricks, and 25% talc. The optimal process parameters for this composition included a molding pressure of 25 MPa, a sintering temperature of 1190 °C, and a soaking time of 60 min.

Influence of steel slag on strength and microstructural …

3.1 Materials. According to ASTM C 618–19 (ASTM C 2019), the major binder employed in this study is a waste material created during coal-fired electricity generation that is low calcium FA.Steel slag, under ASTM C 989–2018 (ASTM C989, C989M–18a 2018), is the second alternative binder used in this study.Fly ash and steel slag used in this paper are …

(PDF) Iron and Steel Slags

The physico-chemical properties of four different types of iron and steel slags, including blast furnace slag, basic oxygen furnace slag, electric arc furnace slag, and ladle furnace slag, are ...

Impact of Induction Furnace Steel Slag as Replacement for …

The present study investigates the role of induction furnace steel slag aggregate (IFSSA) as a partial/entire replacement of fired clay brick aggregate (FCBA) in RC beams' …

Microstructure and mechanical properties of CO2-cured …

The results showed that the CO 2 cured bricks containing 25 wt% steel slag reached the highest CO 2 uptake of 7.5% (kg/kg steel slag), and they presented the highest …