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vi-ronmentally friendly concrete block substitute that use no natural aggregate (sand and gravel). Instead, this product utilizes a fine powder of granulated blast furnace slag, as an equivalent of
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The steel slag superfine powder production process comprises the steps that a coarse grinding device is used for conducting coarse crushing on steel slag tailings; the steel slag tailings...
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The method helps to simplify conventional production steps of steel and iron slag powder, improve the uniformity of the steel and iron slag powder and reduce production energy...
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2019年5月23日 The steel slag is divided into converter (basic oxygen furnace, BOF) slag and electric arc furnace (EAF) slag according to the steel making process that is used, and EAF
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2018年1月30日 The applications of steel slag powder and steel slag aggregate in ultra-high performance concrete (UHPC) were investigated by determining the fluidity, nonevaporable
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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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2024年4月28日 Hou et al. [90] invented a low-cost method for preparing steel slag bricks on a pilot scale by compressing the steel slag powder and water mixture at 0.16 MPa, followed by
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2004年5月14日 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
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Slag powder process is introduced. • Objectives and affecting factors of slag powder process are analyzed. • The models are established by using the generalized regression neural network. •
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2024年1月29日 Result Slump air content. Figures 1 and 2 show the slump and air content, respectively, of concrete before hardening. The slump values at 0, 30, and 60 min were 190, 175, and 165 mm ...
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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 Portland cement
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2020年11月13日 DOI: 10.1016/j.jclepro.2020.125133 Corpus ID: 228908045; Preparation of sustainable and green cement-based composite binders with high-volume steel slag powder and ultrafine blast furnace slag powder
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Abstract: At present, the stacking of steel slag has caused serious environmental pollution and resource waste, so the utilization of steel slag resources is imminent. Using steel slag powder in cement-based materials can not only improve the utilization rate of solid waste resources, but also reduce the consumption of natural resources and reduce CO 2 emission by acting as a
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2014年2月19日 Thus an appropriate addition of fine ground basic steel slag powder for cement production can improve the property of cement made of BF slag powder. ... Recent status and future of converter slag utilization technology in Anshan iron and steel groups corporation. Min. Eng. 6(4), 58–60 (2008). in Chinese.
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2018年4月1日 1. Introduction. Bronze production has been marked as one of the major technological transitions in the archaeological record worldwide. From the onset of archaeological materials analysis, copper alloys have been a favoured subject (Pollard, 2013), and they remain so to this day.While major diachronic trends in the use of different copper alloys such as
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2019年11月26日 Titanium is widely used in specific applications due to its high strength, low density and good chemical stability. Despite it is one of the most abundant elements in the earth’s crust, it is ...
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Read the latest articles of Powder Technology at ScienceDirect, ... select article A new approach to the production of zein microstructures with vitamin B12, by electrospinning and spray ... select article Corrigendum to “Mathematical simulation of two-phase flow and slag entrainment during steel bloom continuous casting”: [Powder ...
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4.Future promotion prospect of slag powder technology scheme: the technology can digest industrial solid waste production slag cement powder, realize waste into treasure, process green, environmental protection, high efficiency, energy saving, has a
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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 lower cementitious activity and poorer volume stability of steel slag limit its high dosage in cement-based materials. In this paper, steel slag ultrafine powder
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2018年8月1日 In Japan, slag production resulting from BOF steelmaking decreased from 138 to 121 kgt-steel −1 by simply using this approach (Kitagawa, 2000). Using a duplex process also can ... popularized the technology of using steel slag powder; built 10 demonstration projects using steel slag and iron slag for cement and composite powder ...
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Paper 12 15 years of slag grinding with Loesche 2+2/3+3-technology: Daniel Strohmeyer: Loesche. Paper 13 Operation data of MPS vertical roller mills producing slag powder and slag cement: York Reichardt: Gebr. Pfeiffer. Paper 14 State of the art handling for slag: Davide Gambarotta: Gambarotta-Gschwendt srl
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2023年5月15日 On this basis, steel slag and slag composite micro powder (SSCM) technology was proposed, which realized the high added value and utilization rate of steel slag in industrial applications. ... With the rapid growth of the metallurgical industry, there is a significant increase in the production of metallurgical slags.
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The open circuit grinding process is the earliest slag powder grinding technology. It has the advantages of simple process, low technical requirements for operators, and low investment cost. The unit power consumption of this system is about 100kWh/t per grinding slag with a specific surface area of 450m 2 /kg.
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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. ... Hu NS, Han PF, et al. Research on application of big data mining technology in performance optimization of steam turbines. Proceedings of the CSEE 2016; 36: 459–467.
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China is the largest producer and consumer of calcium carbide in the world. The calcium carbide industry is an indispensable industry to support the basic life of people. The huge production capacity of calcium carbide is accompanied by a large number of solid waste carbide slag. Due to the immature treatment technology of carbide slag, a large number of carbide slag are stacked
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2004年5月14日 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 ...
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2019年9月16日 Vertical mill slag powder equipment plays a key role in the processing of slag. The application of the vertical grinding slag micropowder technology makes the processing of slag more elaborate. In the cement manufacturing production process, the slag is used as raw material to realize the recycling of waste and reduce the pollution of the slag to the environment.
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Carbon dioxide sequestration using steel slag—modeling and experimental investigation. Smitha Gopinath, Anurag Mehra, in Carbon Dioxide Sequestration in Cementitious Construction Materials, 2018. 4.1 Introduction. Steel slag is an industrial waste that is generated during the production of steel. In the production of steel, oxides of metal impurities in the iron combine
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2013年9月1日 The specific surface area of steel slag is generally between 300 and 500 m 2 /kg when it is used as a mineral admixture for cement or concrete production. Some studies showed that, in this range, increasing the specific area of steel slag was beneficial to its activity [26], [27], [28].It is interesting to know the activity of steel slag with even higher specific surface area.
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