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In this study, lightweight thermal insulation materials were prepared by adding FMS to ed concrete containing alkali-activated steel slag and blast-furnace slag. The dry bulk density, cube strength, thermal conductivity and drying shrinkage of samples with different compositions were investigated and their microstructure was …
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The slag dryer designed and manufactured by AGICO is a specialized mining equipment for drying various slag products. AGICO provides tailored technical solutions and drying equipment configurations for specific materials, enabling rapid drying and dehydration of blast furnace slag, iron slag, steel slag, and slag from other materials.
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In the present paper, the properties of carbonated steel slag-slaked lime (SS-SL) mixture, such as strength, drying shrinkage, water absorption, soundness, and durability were mainly investigated.
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The chemical compositions of steel slag may change with the different composition of the raw ore and manufacturing process. According to statistical results of the Waste Steel Slag Association of Japan, its main chemical compositions are CaO, SiO 2, T-Fe, MgO and Al 2 O 3.It also has a strong hydraulic.
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Steel slag is mainly composed of the minerals C 3 S and C 2 S, which can easily hydrate to form a C-S-H gel, thus exhibiting good cementitious activity [22]. ... ITZ and drying shrinkage of fly ash/slag geopolymer concrete. Constr. Build. Mater., 118 (2016), pp. 171-179, 10.1016/j.conbuildmat.2016.05.008. View PDF View article View in …
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The properties of the carbonated brick made of steel slag-slaked lime mixture such as strength, drying shrinkage, water absorption and soundness were mainly investigated. The experimental results indicate that, after carbonation, the strength of the brick increases, its drying shrinkage reduces, and its soundness becomes eligible. The …
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In this study, a coarse particle steel slag powder was selected with a specific surface area of 117.3 m 2 /kg for the following reasons: firstly, when steel slag is used as a drying agent, a lower hydration rate is beneficial to preserve the main minerals of steel slag which can be used in later carbonation S/S; and secondly, the cost of ...
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A novel method was developed to enhance the utilization rate of steel slag (SS). Through treatment of SS with phosphoric acid and aminopropyl triethoxysilane (KH550), we …
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For the N00 samples using steel slag aggregate, the drying shrinkage of the N00F0 sample without AMFs was approximately 0.158%. Furthermore, the drying shrinkage of the sample using AMFs and steel slag aggregate was approximately 0.130%, nearly 43% lower than that of the control sample.
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The compressive strength of the steel slag with suitable moisture and initial porosity can reach 118.7 MPa, and 217.2 kg CO2 eq./t steel slag can be sequestered. ... The water content is simultaneously regulated through air-drying of the steel slag. Initially, the impact of various water–solid ratios and water contents on the properties of ...
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At present, steel slag is primarily used as road bed material and civil construction material, and 30% of steel slag is used as road bed material. Expansion characteristic is a big problem when steel slag is used as road bed material. It is a phenomenon where the free lime contained in steel slag, although in a very small quantity, reacts with
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This study analyzed the fundamental properties of concrete using steel slag, to test its viability as an aggregate material. An experimental investigation into the effect of steel slag as a coarse aggregate, and heavyweight waste glass as a fine aggregate, on the drying shrinkage of concrete was performed. The calculated …
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Slag is the by-product of iron- and steelmaking processes. Normally, around half to one tonne of slag would be generated for yielding one tonne of rolled iron or steel (Lobato et al. 2015).It was reported that the world steel production was 1.9 billion tonnes in 2016, which suggested that at least around 1 billion tonnes of slag is produced during …
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Shop LG 9.0 Cu. Ft. Stackable Smart Electric Dryer with Steam and Built-In Intelligence Black Steel at Best Buy. Find low everyday prices and buy online for delivery or in-store …
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The slag is a byproduct of the iron and steel industry, and it is ground into a fine powder before being added to the other ingredients. The mixture is then ground into a fine powder, and it is ready to be used to make concrete. ... Drying and Grinding: The granulated slag is then dried to remove moisture content. After drying, it is finely ...
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Slag dryer Condition: New Brand Name: Fote Warranty: One year Drying Materials: materials with high moisture and big proportion such as slag, limestone, clay, river sand, silica sand, grain slag, slurry and sludge. Slag dryer can be divided into steel salg dryer and grain slag dryer. It can be used for drying materials with high moisture and ...
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The physicochemical properties of steel slag were investigated using SEM and IR, and it was found that free calcium oxide and free magnesium oxide in steel slag produce calcium hydroxide when in contact with water, leading to volume expansion. Thus, the expansion rate of steel slag itself was first investigated, and it was found that the …
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Steel slag has a great potential to increase favourable soil physico-chemical properties, and it can be used as an additive with organic wastes (Das et al., 2019, Wang et al., 2018a). ... Wetting and drying method: Significant increase in calcite content from SM1 (steel making slag) sample from 0.8% to 13.4% and in SM2 from 1.4% to 9.2%. ...
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The incorporation of steel slag improves the behaviors of drying and firing process of fired bricks. The results indicate gradual decrease in weight loss of the samples with increasing slag contents. The water absorption and porosity of the brick decrease when the firing temperature increased. The formation of a glassy phase, confirmed by …
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This slag is then charged to a packed bed heat exchanger where counter-current flow of secondary air cools the slag to about 50 °C. The hot air of both steps is at temperatures above 600 °C and may be used to generate steam or be used for preheating/drying. Fig. 5 shows still images of the slag atomization and the final …
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Desiccation-induced cracks in a compacted clay liner significantly deteriorate the hydraulic barrier performance of landfill covers. The present study explores the effects of polypropylene (PP) fiber reinforcement on the hydrological response and crack resistance of compacted steel slag (SS; 90 wt%) – bentonite (10 wt%) mixtures under drying and …
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Abstract. Slag dumping and water granulation are the most commonly used slag treatment methods in the metallurgical industries. In both processes, water is present (by desire for cooling and dispersion or as a result of rain accumulation) and thus equipment and operations are designed to minimize and mitigate the risk of steam explosions …
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Waste recycling and reuse is an important component of sustainability. Extensive research is being conducted to address this issue by incorporating industrial by-product such as steel slag, copper slag, fly ash, ferro-chrome slag, and so on into the construction industry. Steel slag, which is mostly calcium carbonate, is created as a by …
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The deposit volume of steel slag in China exceeds 400 million tons, leading to the occupation of a large area of land and serious environment pollution. ... The vertical mill integrates smashing, grinding, drying, and classifying powder and is characterized by low power consumption, a better sealing property, a larger grain diameter of material ...
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Semantic Scholar extracted view of "Resistance of fiber-reinforced fly ash-steel slag based geopolymer mortar to sulfate attack and drying-wetting cycles" by Xiaolu Guo et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 220,149,266 papers from all fields of science ...
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Despite the utilization of steel slag in asphalt mixtures is a prominent way to increase the temperature and heal cracks using microwave, the recurring issue of the steel slag overheating may critically soften the asphalt binder located nearby and lead to the collapse of the whole specimen . Contrastingly, filler-size magnetite particles have a ...
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Contribute to sili2023/sbm development by creating an account on GitHub.
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Granulating dryer is a steel slag dryer for drying large scale of materials, and it has large production capability, large application scope, small flow resistance and convenient …
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Performance of carbonated steel slag stabilized soils after drying-wetting cycles. The resistance to D-W cycles is an essential factor in evaluating the engineering performance of stabilized soils. Fig. 6 displays the UCS of AS-Q-S-C1 and AS-Q-S-C2 after D-W cycles. Accordingly, the UCS of AS-Q-S-C1 was generally lower than that of AS-Q …
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Slag Rotary Dryer Application. The slag dryer is widely applied in building materials, metallurgy, mineral processing, chemical industry, cement and other industries, and can be used for drying water slag, steel slag, fly ash, carbide slag, desulfurization gypsum, clay, river sand, quartz sand and other slag materials. Slag Dryer Main Structure
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