Experimental study on waste heat recovery for metallurgical slag particles Article (PDF Available) in Dongbei Daxue Xuebao/Journal of Northeastern University 35(2):245248 · February 2014 with ...
Get Priceslag is being formed rises by approximately 30°C. Since this is within the design range of 70°C or less, the designed cooling capacity can be obtained. 3. Development of Slag Heat Recovery Process Design of Slag Heat Recovery Pilot Plant The slag heat recovery pilot plant which was built in this development is a counterflow packed bed ...
Get PriceHeat Recovery from Slag through Dry Granulation ... the technique that the waste heat of metallurgical slag particles is directly recovered by gravity bed waste heat boiler to produce steam was ...
Get PriceWaste Heat Recovery from HighTemperature Blast Furnace Slag Particles Junxiang Liu1,2, Qingbo Yu1*, Jiayan Peng1 and Wenjun Duan1 . 1. School of Metallurgy, Northeastern University, Shenyang, Liaoning, 110819, P R China . 2. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming 650093, P R China
Get Pricearticle{osti_5610662, title = {Heat recovery in dry granulation of molten blast furnace slag}, author = {Tetsuro, N. and Hiroshi, N. and Koichi, F. and Tsukio, I.}, abstractNote = {In a research and development project undertaken jointly between IshikawajimaHarima Heavy Industries Co. and Sumitomo Metal Industries, Ltd., a process has been developed for granulating molten slag discharged ...
Get PriceMetallurgical slags are conventionally divided into ferrous and non–ferrous, based on the metal produced in each process. The typical chemical composition and generation rate of various slags for the major metal manufacturing processes are provided in Table 1, Table seen, the relative amount of slag produced per ton of iron/steel is lower than the nonferrous operations.
Get PriceThe main hot stage slag valorisation processes were introduced to deal with slag granulation, metal recovery, and slag products quality. In addition to the slag granulation process with pollution control and continuously dewatering (INBA™ process), several modified blast furnace (BF) slag granulation methods are currently being applied in China.
Get Pricegranulation and heat recovery technology. Here we review common slag handling practices, the developments in dry slag granulation over the last three decades, introduce the EcomaisterHatch dry slag granulation process, and elaborate on future applications of the technology in the processing of argon oxygen decarburization and blast furnace slags.
Get PriceThe efficiency of the recovery phase depends on both temperature conditions and the composition slag, and introduced additions. The exploration of the possibility and feasibility of the liquidphase restoration for steelmaking waste slag of the Zlatoust Metallurgical Plant applying the induction heat installation is the aim of this study.
Get Pricearticle{osti_5610662, title = {Heat recovery in dry granulation of molten blast furnace slag}, author = {Tetsuro, N. and Hiroshi, N. and Koichi, F. and Tsukio, I.}, abstractNote = {In a research and development project undertaken jointly between IshikawajimaHarima Heavy Industries Co. and Sumitomo Metal Industries, Ltd., a process has been ...
Get PriceThe book deals with aluminium as material and its recovery from bauxite, the various process steps and procedures, melting and casting plants, metal treatment facilities, provisions and equipment for environmental control and workforce safety, cold and hot recycling of aluminium including scrap preparation and remelting, operation and plant ...
Get PriceExperimental results on the dry slag granulator pilot plant have demonstrated that the process can effectively produce glassy slag granules from molten iron blast furnace slag, and recover significant heat, and that the CFD model can be used to predict process performance.
Get PriceJun 25, 2016· Metallurgical slags, discharged at high temperature range, are produced as byproducts in metallurgical processes. In order to reuse waste energy in molten metallurgical slags, the dry granulation and waste heat recovery technology is a popular technology, compared to …
Get PriceAug 09, 2016· Dry Slag Granulation with Waste Heat Recovery 1. MINERALS DOWN UNDER NATIONAL RESEARCH FLAGSHIP Current Status Future Direction of CSIRO’s Dry Slag Granulation Process with waste heat recovery ICST 2012, Dresden, Germany: 13 October, 2012 Sharif Jahanshahi and Dongsheng Xie 2.
Get PriceAug 09, 2016· Dry Slag Granulation with Waste Heat Recovery 1. MINERALS DOWN UNDER NATIONAL RESEARCH FLAGSHIP Current Status Future Direction of CSIRO’s Dry Slag Granulation Process with waste heat recovery ICST 2012, Dresden, Germany: 13 October, 2012 Sharif Jahanshahi and Dongsheng Xie 2.
Get PriceApr 01, 1987· 1. A process for the recovery of volatile metal values from metallurgical slags, characterized by comprising flowing a stream of molten metallurgical slag through a furnace, optionally feeding a reducing agent into said slag stream, impinging on the surface of the slag stream the heat from at least one plasma torch, removing from above the slag a gas containing metal vapours, and …
Get PriceThe Process Metallurgy Module is a calculator within ThermoCalc that makes it easy to set up calculations for steel and slag. The module is designed for application to steelmaking and steel refining processes including converters, such as basic oxygen furnaces, electric arc furnaces, ladle furnace metallurgy and more.
Get PriceHeat Recovery from Slag through Dry Granulation ... the technique that the waste heat of metallurgical slag particles is directly recovered by gravity bed waste heat boiler to …
Get PriceSmelting, the process of extracting base metals from their natural states (ores), has been used since the bronze age to create precious and useful metals. Ore is decomposed in smelting with heat and a chemical reducing agent such as calcium, driving off other elements as gases or slag and leaving the metal base behind. In
Get Priceheat recovery metallurgical process slag US4111159A Recovery of heat from molten slag from , The slag after recovery of heat is discharged out of the slag vessel 1 by tilting it as , Apparatus for recovering heat from slag from a metallurgical process, .
Get PriceCrystallization of Blast Furnace Slags Pertaining to Heat Recovery Shaghayegh Esfahani Doctorate Materials Science and Engineering University of Toronto 2016 Abstract Heat recovery from blast furnace slags is often contradicted by another requirement, to generate amorphous slag …
Get PriceAfter her technical chemistry degree at the Graz University of Technology with focus on process engineering she did her PhD in synthetic biofuels. Her experience in metallurgical and energy recovery topics she got during developing a new process line for primary converter dedusting, including a heat recovery unit and a filter unit.
Get Priceferrous metallurgy. Heat loss from the slag in the heat balance amounts to 3040%, while the temperature of the liquid slag is 13001350°C. To recover heat from waste gases, which can be used to preheat the feed, air blast, fuel, to generate electricity and steam, it is required to equip the existing metallurgical furnace with appropriate
Get PriceMetallurgical ContentGold AlloysGold Melting PointsRetortingGold SmeltingGold Refinery SlagRefining GoldGold AssayFluxMelting GoldCupellationGoldSilver SeparationGold Refining Book Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality. In this way, it is necessary to have a better marketable product so that the ...
Get PriceIn addition to slag recovery, the liquid furnace slag and ladle slags are generally processed to recover the ferrous metals. ... which is highly dependent on the rate of slag cooling in the steelmaking process. Table 182. Typical steel slag chemical composition. ... Due to their high heat capacity, steel slag aggregates have been observed to ...
Get PriceSep 05, 1978· It is an object of this invention to provide a method and apparatus for efficiently recovering heat from slag from a metallurgical process by effectively collecting the sensible heat of the slag as heat contained within steam or some other hightemperature fluid or gas through radiant heat absorbing tubes for heat absorption and recovery.
Get PriceApr 01, 2019· Dry granulation and heat recovery from metallurgical slags. Plenary Lecture. ... Internal slag recycling and other solid wastes utilisation in metallurgical process ; Slag engineering to optimise metallurgical process ( protect lining brick from degradation,…) Slag formation, slag foaming, slag minimisation in the process ...
Get PricePotential of melted slag as heat source Melted slag at 1500℃has sensible and latent heat of about 400 – 500 cal/g. If half of the heat of melted slag is to be recovered in Japan, the total heat recovery will be equivalent to about 1 Mt of coal. =%of annual coal import of …
Get PriceThis article relates to the analysis of formation and the metal content of slag, generalised data from enterprises on yield and treatment of slags. Test results of the metal content determination in slag dumps, slag granulometric composition, its physical and chemical properties, as well as results of experimental investigation of metal recovery process from slags are presented.
Get PriceApr 01, 2019· Heat recovery for an efficient microwave process. Irene RuizOria – Atlantic Copper Dry copper slag atomisation: on site laboratorypilot scale trials at copper smelter facility. Jan Peter Schupsky – Forschungszentrum Jülich
Get PriceIn this chapter, techniques for the treatment and recycling of metallurgical slags are described. Metallurgical slags are considered secondary raw materials and are used or added during the process to improve steelmaking practice. Steelmaking slag added into ladle slags makes it possible to minimize slag …
Get Pricestep, a heat transfer model for calculating the ten developed. The details of this model and the gov MATHEMATI Direct Heat Recovery Process A simple process in which slag is granulatec droplets are released into a vertical heat recovery construction or land filling or as coarse aggregate for dly, the slag can be used as a substitute for Portland
Get PriceA process for the beneficial treatment of fluid metallurgical slag upon tapping of the same from a steel making furnace for the recovery of the metal values contained in the metallic oxides of the slag and the simultaneous production of a useful slag product which consists of initially intermixing with said slag a quantity of exothermic reducin ...
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