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slag powder production technology

Analysis and multi-objective optimization of slag powder process

2020年11月1日  Optimal solution for slag powder production process is determined by proposed CT-NSGAII algorithm. Slag powder is a process with characters of multivariables, strongly

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Powder Technology - ScienceDirect

The atomization of blast furnace slag powder can be employed to produce spherical and amorphous powder in a size range below 200 μm. The viscosity of the melt is the most

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Comprehensive Utilization Technology of Steel Slag

2019年5月23日  Steel slag is the waste generated in the steelmaking process and includes ferric oxide and the impurities of some infusible matters. It is the by-product when slag-forming

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Processing and Reusing Technologies for Steelmaking Slag

2013年9月4日  Steelmaking slag includes the following: slag produced in the hot-metal pretreatment processes (desiliconization, dephosphoriza- tion, desulfurization, etc.), slag

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Synthesis and Morphology of Slag-based Alkali-Activated

1 天前  2.1 Materials. The slag (LS) used in this study is a by-product of ferronickel (FeNi) production from the treatment of laterites in electric-arc furnaces at the LARCO S.A plant

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X-ray computed tomography (XCT) study on the porosity structure of slag ...

2 天之前  The global crude steel production in 2022 was 1884.2 million tonnes (Mt), 96.8% of which was cast using continuous casting technology. 1 The success of steel continuous

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Plant-wide optimization for slag powder production process

2017年9月1日  Combining with the features of the vertical mill grinding process, an integrated solution is proposed for plant-wide optimization problem of slag powder production process

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Modeling and analysis of material layer thickness in slag powder ...

So this paper analyzed the slag powder production process firstly. Then the models of material layer thickness, production and specific surface area are established based on the field data

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Research on the impact of carbide slag content on the

2 天之前  The slag and carbide slag were obtained from an iron and steel industry situated in Zhengzhou City. Micron silicon was acquired from a new material technology company. Water

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Modification of magnesium phosphate cement with steel slag powder

2024年8月9日  Modification of magnesium phosphate cement with steel slag powder and ground blast furnace slag: Mechanism of hydration and electrical conductivity ... etc.) with good electrical conductivity, generated at a ratio of 12–20 % of the total steel production [45 ... the acidic component, was of analytical grade and supplied by Shanghai Haohong ...

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furnace slag powder concrete admixtures

2024年1月29日  furnace slag (GGBS) has increased recently. Admixtures are used in the production of specic types of concrete owing to their economic feasibility, stability, and eco-friendliness 1. KS F 2563 ...

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Hydration superposition effect and mechanism of steel slag powder

2023年2月22日  Steel slag has great potential as a supplementary cementitious material, because its composition is similar to cement and it has a certain cementitious activity after grinding it into micronized powder [[11], [12], [13], [14]].However, the low hydration activity of steel slag compared to cement limits its application [15], [16], [17], and the reasons for this are as

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Modeling of Powder Production During Centrifugal Atomization

2021年4月28日  The Centrifugal atomization process finds wide application in the production of sprays droplets [] as well as polymer microspheres [], dry slag granulation [3, 4], metal powder production [5,6,7], etc.There is an increasing demand for powders and granules as a form of starting material for several industrial applications such as architectural coatings, additive

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Slag grinding mill micro powder production line - SBM Ultrafine Powder ...

2022年5月12日  Use of slag. In industrial production, slag plays an important role. Some major factories refine and process slag into slag cement, slag micro powder, slag powder, slag Portland cement, and slag wool. Blast furnace slag can also be used as raw materials for cast stone, glass-ceramic, fertilizer, enamel, ceramics, etc. (1) Glass-ceramic

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Slag Ultra-fine Powder Processing Technology

2024年10月25日  In traditional industrial production, slag is often regarded as waste, but with the advancement of technology, the potential value of slag has been gradually discovered. Using the HGM series Micro Powder Grinding Mill to grind slag into ultra-fine powder and mix it with silicate cement, a new type of slag silicate cement can be prepared.

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Alkali-activated slag supplemented with waste glass powder:

2021年3月1日  Ground granulated blast-furnace slag is one of the most frequently studied classic materials in alkali-activation technology due to its high reactivity (Wang et al., 1995). The reported compressive strength of alkali-activated slag (AAS) with specific preparation method can be up to 110 MPa (Wang et al., 1994).

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Powder Production Technologies - Powder Metallurgy Review

2024年12月11日  The resultant powder is highly irregular in particle shape, therefore ensuring good “green strength” so that die-pressed compacts can be readily handled prior to sintering, and each particle contains internal pores (hence the term “sponge”) so that the good green strength is available at low compacted density levels.

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Effects of steel slag powder on workability and durability of concrete ...

2014年8月5日  The workability and durability of a type of sustainable concrete made with steel slag powder were investigated. The hydrated products of cement paste with ground granulated blast furnace slag (GGBFS) alone or with a combined admixture of GGBFS-steel slag powder were investigated by X-ray diffraction (XRD). Furthermore, the mechanism of chemically

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张增起 - USTB

2024年7月16日  Recycling and comprehensive utilization of ferronickel slag in concrete, Journal of Cleaner Production, 2023, 414: 137633. [5] Xinyue Liu, Xiaoming Liu*, Zengqi Zhang*. Application of yellow phosphorus slag in resource recovery and environmental remediation: A review, Journal of Environmental Management, 2023, 349: 119397.

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Analysis and multi-objective optimization of slag powder process

2020年11月1日  The slag can form powder after grinding. When the specific surface area of slag powder is more than 400 m 2 /kg, the strength of the cement is obviously enhanced [1]. So how to ensure the quality and yield of slag powder has been an important issue. Slag powder is a multivariate, strongly coupled and nonlinear process.

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Laboratory Preparation and Performance

2022年11月11日  Steel slag is generally regarded as a supplementary cementitious material in cement-based materials, which is conducive to the realization of the goal of carbon peak and carbon neutralization. However, the

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Enhancement of apatite-phosphorus-rich biochar production

2024年12月1日  Carbide slag, a solid waste produced during the acetylene production process using the calcium carbide method, has recently gained significant attention regarding its disposal strategies (Sun et al., 2024).The main component of carbide slag is Ca(OH) 2, a common industrial waste that can be directly used as a calcium-based additive for co-pyrolysis with

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Intelligent process control system for predicting operating

2024年1月31日  Wang K, Li X, Jia C, et al. Tracking control of slag powder production process based on adaptive dynamic programming. Acta Automatica Sinica 2016; 24: 1542–1551. Google Scholar. 11. ... Transportation Research Part C: Emerging Technologies 2016; 73: 183–201. Crossref. Web of Science.

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Different carbon treatments for steel slag powder and their

2022年8月15日  Steel slag powder is the waste slag produced in the steelmaking process, and its emissions account for about 15%–20% of crude steel production in China (Shi et al., 2022a; Shi, 2004; Wang et al., 2011).However, a large amount of steel slag cannot be effectively utilized, which resulting in a large amount of steel slag stockpiled (Li et al., 2021).

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Seashell powder calcined slag cement: A novel green low

2024年9月1日  The findings revealed that the addition of seashell powder and calcined slag improved the material’s toughness and promoted the formation of cementitious products such as carboaluminate phases, C-A-S-H gel, and ettringite, with a 15% mixture of seashell powder and calcined slag increasing the compressive strength ratio of SCSC to ordinary ...

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Titanium Slag Production Process: Technologies To Improve

2023年11月8日  The process of titanium slag production is the process of smelting ilmenite concentrate in arc ore-thermal furnaces (OTF) in a semi-closed mode with the use of a powder mixture to obtain titanium slag of a specified content of iron oxide, as well as associated metal.

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Self-healing cold mix asphalt containing steel slag: A

2024年12月1日  It is also revealed that slag powder enhances microwave heating uniformity and microwave healing efficiency in HMA (Lou et al., ... Following that an infrared thermal imager (NEC Avio Infrared Technologies InfRec G100Ex, Japan) capable of imaging in the temperature range of 40–1500 °C, with a resolution of 0.08 °C and an image resolution of ...

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In-situ wet carbonation of steel slag powder paste made

2024年9月1日  The mineral composition in steel slag powder is similar to that of cement, including C 3 S, C 2 S, etc., which can react with water, enabling steel slag powder to be used as supplementary cementitious material [3].However, deficiencies such as limited activity and poor stability of steel slag powder significantly restrict its applicability [4, 5]. ...

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Analysis and multi-objective optimization of slag powder

2020年7月1日  The slag grinding system is the core of the slag powder control system, which con- sists of batching station, conveyor belt, vertical mill, hot gas generator , dust collector and product warehouse.

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