MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Residual heat utilization of steel slag hot stuffing method
ThreeStage Method Energy–Mass Coupling HighEfficiency
2021年6月14日 This paper proposes a waste heat recovery and resource utilization technology for molten steel slag, which can effectively improve the heat recovery efficiency After the 2018年2月20日 Integrated utilizing slag and its waste heat to produce materials was a suitable method Hot slag was modified to enhances its properties or prepare high valueadded Modifying hot slag and converting it into valueadded materials: A 2023年11月15日 Waste heat recovery from hot steel slag was determined in a granular bed through the combination of numerical simulation and an industrial test method First, the Waste heat recovery from hot steel slag on the production line 2013年12月1日 In this process, the highspeed air flow not only crashes the slag stream to granules but also feeds the granules into a boiler to have a highly intensive heat transfer with A review of waste heat recovery technologies towards molten slag
Development of waste heat recovery technology from
2023年5月4日 Therefore, the efficient recovery and utilization of sensible heat of steel slag has always been the focus of attention of the metallurgical field all over the world2013年7月1日 Steel Slag (SS) is a main solid waste in the iron and steel industry, and its treatment technologies include the hotSS splashing method, the airgranulation method, the Treatment process and utilization technology of steel slag in China 2023年5月15日 hot smothering method: The hot molten steel slag is poured into the hot smothering device, and the appropriate amount of intermittent water spray cooling makes it Comprehensive utilization of steel slag: A review ScienceDirect2023年8月1日 To effectively utilize steel slag, China’s General Institute of Metallurgy Construction proposed a novel crushing waste heat pressurized hot smothering technology of Energy and exergy analysis of waste heat recovery from
Waste heat recovery from hot steel slag on the production line
2023年11月15日 Waste heat recovery from hot steel slag was determined in a granular bed through the combination of numerical simulation and an industrial test method First, the effective thermal conductivity of the granular bed was calculated Then, the unsteadystate model was used to simulate the heat recovery under three different flow fields (Otype, Stype, and 2023年3月1日 Figure 8 illustrates the TG/DSC analysis curves of IWAAs with different carbonation times Obvious endothermic peaks appear at 105 °C, 400~450 °C, and 600~750 °C, which could be induced by the Comprehensive utilization of steel slag: A review Request PDF2020年9月24日 Steel slag is a large amount of residual material produced in the process of steel manufacturing With the requirements of sustainable development in China, the utilization of steel slag has become a hot issue Through an indepth study on steel slag, it is apparent that it has been widely used in various fields in recent years The resource utilization of steel slag is not Sustainable Utilization of Steel Slag from Traditional Industry and 2022年1月17日 Steel slag, a waste byproduct from steel production, accounts for about 12–20 tons when manufacturing 100 tons of steel [1], which wastes storage space, create water pollution and other environmental concerns [2]Steel slag can be classified as basic oxygen furnace (BOF), electric arc furnace (EAF) and ladle furnace slag depending on three different furnaces in Residual properties of steel slag coarse aggregate concrete after
Recycling of iron and steel slag for carbon reduction and low
2024年6月12日 1 INTRODUCTION Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steelmaking, account for 80%–90% of the total smelting slag [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output [] SS comprises various slags, including basic oxygen furnace slag (BOFS) Waste heat recovery from hot steel slag in insuit production lines has always been a worldwide challenge In this paper, insuit industrialscale tests of the highly efficient recovery of waste heat from the hot steel slag by the airblast method were performed in a steel mill The effects of airflow and steel slag thickness on cooling air temperature changes and waste heat recovery were InSuit Industrial Tests of the Highly Efficient Recovery of Waste Heat 2024年11月1日 The wind quenching method employs highpressure air to granulate liquid steel slag, which then exchanges heat with air in a waste heat boiler, resulting in a relatively low heat recovery rate [25] The thermal smothering method utilizes the waste heat of steel slag to react with water, producing hot water and steamCarbothermal reduction of flue gas desulfurization ash through The composition of the steel slag was introduced,the current domestic steel slag treatment process was also described,and the working principle and the relative merits of steel slag treatment process,such as heat over method,roller method and hot stuffy method,were reviewedThe constitution of slag was introduced and the approaches to comprehensive Treatment Process and Utilization Technology of Steel Slag in
Thermodynamic optimization opportunities for the recovery and
2015年7月5日 Semantic Scholar extracted view of "Thermodynamic optimization opportunities for the recovery and utilization of residual energy and heat in China's iron Methods Citations 2 View All 115 Citations CO2 and Economical Analyses of the Hydrogen Production Using Waste Heat from Molten Slag in the Steel Industry H Purwanto N Request PDF On Apr 1, 2015, Lingen Chen and others published Thermodynamic optimization opportunities for the recovery and utilization of residual energy and heat in China’s iron and steel Thermodynamic optimization opportunities for the recovery and 2021年6月14日 Hightemperature molten steel slag is a large amount of industrial solid waste containing available heat energy and resources This paper introduces an efficient and comprehensive utilization ThreeStage Method Energy–Mass Coupling HighEfficiency Utilization 2013年7月1日 Steel slag is a byproduct discharged from the steelmaking process, which is characterized by abundant free calcium/magnesium oxide, low cementitious properties, and high contents of heavy metalsTreatment process and utilization technology of steel slag in
Development of waste heat recovery technology from
2023年5月4日 The temperature of molten steel slag produced by the steelmaking process is 1500°c~1700°c, and the total amount of energy contained is considerable2022年1月21日 Hot modification is an efficient way to change the mineral compositions of steel slag with the aim of improving comprehensive utilization [10,11,12,13,14] Hot modification is beneficial for promoting iron recovery rate by transforming iron mineral structure and stabilizing the volumes by decreasing the βCa 2 SiO 4 content, which is the key factor for application in Novel method for improving iron recovery from electric arc furnace slag 2023年5月15日 Steel slag is the main solid waste generated in the steelmaking process, accounting for 15 to 20% of crude steel output [1]China's crude steel output in 2021 was 1035 billion tons [2], more than half of the global crude steel output (19505 billion tons) [3], and the steel slag output exceeded 120 million tonsIn contrast, the comprehensive utilization rate of Comprehensive utilization of steel slag: A review ScienceDirect2024年11月1日 Nevertheless, the residual slag after leaching may not be suitable for steelmaking production, leading to highgrade sensible heat loss Y Li [49] further investigated the metallurgical slag ranging from 1450 to 1650 °C represented significant secondary energy potential and developed a method to directly modify the hot slag into highvalueadded Recent research progress on recycling metallurgical waste slag
The Research Progress of Steel Slag Utilization and Stabilization
2024年10月10日 33 Hot Stifling Stabilization of Steel Slag The hot stifling method uses the heat of steel slag to spray water on the surface in a closed environment, allowing steam to penetrate into the interior of the steel slag under pressure, and the fCaO expands after reacting with water, causing the steel slag to crushAt the same time, it also introduces the residual slag+double slag process and gasification dephosphorization slag circulation steelmaking technology for steel slag treatment inside the furnace, providing direction for steel enterprises to clean and comprehensively utilize steel slag Key Words： drum method; heat splashing method; heat Analysis of Steel Slag Treatment Process and Comprehensive Utilization2015年3月12日 Waste heat recovery from high temperature slags represents the latest potential way to remarkably reduce the energy consumption and CO2 emissions of the steel industry The molten slags, in the temperature range of 1723–1923 K, carry large amounts of high quality energy However, the heat recovery from slags faces several fundamental challenges, Heat Recovery from High Temperature Slags: A Review of Chemical Methods2023年8月1日 In this study, the energy and exergy of the organic Rankine cycle driven by steel slag waste heat and solar energy were analyzed for various system configurations In the system design, the technology of crushing waste heat pressurized hot smothering technology of steel slag rolls was considered Subsequently, a regenerator was integrated into this system The heat Energy and exergy analysis of waste heat recovery from pressurized hot
Utilization of residual heat to prepare high performance foamed glass
2021年12月1日 China has become the world's biggest steel output country more than 20 years The steel production of China achieved nearly one billion tons in 2020, which accounted for more than 57% all over the world (World Steel Association, 2021)During the iron and steel making processes, blast furnace slag (BFS) is the maximum amount of solid waste2020年1月1日 The general process of heat stewing method (2) Sintering flux The production of sinter needs adding lime as flux The content of calcium element in steel slag is relatively high, and it can be Review of Resource Utilization Technology of Steel Slag and 2023年11月10日 The hotstuffing method involves placing the molten steel slag in a hot smothering tank or hot smothering pond for water spray cooling Subsequently, the residual heat of the slag is used to generate steam to react with unstable compounds such as freeCaO and freeMgO Eventually the SS is selfdecomposed and pulverizedCementstabilized largesized steel slag base course based on The residual heat of steel slag is a promising heat energy resource that can be recovered Generally, the temperature of steel slag in the molten state is higher than 1400°C, and the calorific value of the residual heat in steel slag is higher than that of other types of residual heat [1–3] The released heat could reach 16 GJWaste heat recovery from hot steel slag on the production line
Overview of Steel Slag Application and Utilization
Overview of Steel Slag Application and Utilization JW Lim1,2, LH Chew2, Thomas SY Choong2, C Tezara1 and MH Yazdi1,3 1Department of Mechanical Engineering, INTI International University, Jalan BBN 12/1, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan,Malaysia 2Department of Chemical and Environmental Engineering, Universiti Putra 2018年2月20日 Methods of utilization of waste heat for hot slag to produce 2011, Zhang et al, 2014) have produced glassceramics from molten steel slag without recovering residual iron component But Cang and Li By using fine modification method, hot slag and its waste heat has been successfully utilized and converted in value Modifying hot slag and converting it into valueadded materials: 2021年8月5日 To solve the problem of difficult utilization of steel slag, the liquid steel slag was modified and the airquenching granulation process was carried out to make steel slag into a valueadded end product: airquenching granulated steel slag The granulated slag was tested to analyze the variation rule of slag properties under different modification conditions Based on Hightemperature modification and airquenching granulation of steel slag2024年6月12日 1 INTRODUCTION Blast furnace slag (BFS) and steel slag (SS), as industrial solid wastes produced in the process of steelmaking, account for 80%–90% of the total smelting slag [] BFS accounts for about 30% of pig iron output, [] while SS accounts for 10%–15% of the crude steel output [] SS comprises various slags, including basic oxygen furnace slag (BOFS) Recycling of iron and steel slag for carbon reduction and low
Use of steel slag as sustainable construction materials: A review
2021年10月1日 Steel slag is a solid waste derived from the steelmaking process, which accounts for approximately 15% of the total crude steel output (Furlani et al, 2010; Pang et al, 2016)By 2016, approximately 832 million tons of steel were produced in China with an annual output of more than 100 million tons (Hasanbeigi et al, 2016), which exceeded half of the total 2024年4月22日 Further hydrogen purification can be realized by the adsorbent or metal palladium membrane diffusion method The steel slag discharged by steel mills is discontinuous, which leads to the output of steel slag heat source is not continuous and stable, so how to ensure the stable heat output of steel slag will be the key to maximizing hydrogen Research progress of hydrogen production and CO2024年10月1日 Qiu et al [8] carried out experiments of sodium hydroxide steel slag double alkali method of sintered flue gas desulfurization in a bubbling reactor, and found that the desulfurization rate could be maintained above 80 % for a long time under the optimal conditions, and the sodium hydroxide steel slag double alkali method of desulfurization could overcome Utilization of steel slag in air pollution and greenhouse gas An overview of utilization of steel slag Huang Yi, Guoping Xu, reduce fuel consumption due to the heat Fe content in steel slag [14] 313 Utilization for hot metal dephosphorizationAn Overview of Utilization of Steel Slag ResearchGate
The positive contributions of steel slag in reducing carbon dioxide
2024年10月15日 Steel slag is a byproduct generated during the steelmaking process, constituting 15 to 20 % of crude steel production [3]Steel slag possesses significant sensible heat, carbon sequestration potential, and resource utilization capacity, all of which are crucial for reducing CO 2 emissions in the steel industry Given its high heat content in the molten state, 2023年6月27日 To make full use of residual heat (temperature) and water vapor (relative humidity, RH) retained in flue gas, the compound effects of temperature (60–140 °C) and RH (2–60 %) of 2hour CO 2 curing on the compressive strength and CO 2 fixation of basic oxygen furnace slag (BOFS) blocks were systematically investigated The results indicated that, in Flue gas carbonation curing of steel slag blocks: Effects of residual 2024年7月9日 Hotstuffy steel slag (HSS) obtained by selfdisintegration treatment technology with waste heat has different compositions and properties compared with ordinary steel slag (OSS) Although the properties of OSS as a mineral admixture have been reported by numerous articles, few researches focus on HSS, especially its effect on early cement hydrationEarly hydration of hotstuffy steel slagcement composite pastes Carbon dioxide sequestration using steel slag—modeling and experimental investigation Smitha Gopinath, Anurag Mehra, in Carbon Dioxide Sequestration in Cementitious Construction Materials, 2018 41 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 Steel Slag an overview ScienceDirect Topics
Application of composite steel slag as subgrade Filler:
2023年3月17日 The slags are typically named after the processes from which they are produced: hotspray poured steel slag, hotstuffing steel slag, watercooled steel slag, windquenched steel slag and so on [21] In this study, the WSS and HPSS used are from a large iron and steel plant in China, and both had been aged for more than three years2021年12月1日 Its calorific value is equivalent to 0058 ton coal and has a high recovery value (Zhang et al, 2013, Li et al, 2021b) At present, the recycling methods of industrial waste heat include physical methods and chemical methods The physical methods can be classified into wet treatment process (water quenching method) and dry treatment processUtilization of residual heat to prepare high performance foamed glass The resource utilization of steel slag is not only conducive to resource conservation, but also conducive to sustainable production and environmental protection In this paper, the common ways of resource utilization of steel slag in construction, agriculture, industry, and catalysis are reviewed Steel slag as a solid waste with great developmentSustainable Utilization of Steel Slag from Traditional Industry and 2019年8月30日 Many published estimations indicate that there is a large potential for increased recovery and utilization of industrial excess heat 5, 6 Even in countries such as Sweden, where many industrial plants already deliver excess heat to district heating systems and other external heat sinks, studies indicate that there is still a large potential for increased utilization of Characterization and visualization of industrial excess heat for