heat recovery metallurgical process slag

Heat recovery metallurgical process slag Manufacturer Of High

CFD modelling of dry slag granulation using a nov is also able to recover the sensible slag heat as hot air The integrated DSG and heat recovery process has been successfully demonstrated at a pilot plant scale with throughputs of up to 5 t h Figure 1 Figure 1: Photos of a the semiindustrial scale 3 m diameter integrated DSG and heat recovery pilot plant at09/12/2019· The process was designed, and the concept was tested on labscale demonstrators with an overall heat recovery rate of 42% Some applications of the recovered slag heat are also presented in thisGranulation and Heat Recovery from Metallurgical Slags

Recovery of heat from molten slag from metallurgical processes

OSTIGOV Patent: Recovery of heat from molten slag from metallurgical processesHeat Recovery Metallurgical Process Slag As a powerful mining equipment company its professional equipment includes jaw crusher, sand making machine, ball mill, pulverizer, dryer, rotary kiln, etcYou can buy a single equipment In addition, you can customize the production line according to your site and capital Purchase Equipment 125 Iron And Steel Production 02 toHeat Recovery Metallurgical Process Slag

Heat Recovery Metallurgical Process Slag In Monaco

Apr 02 2011 in this process the sensible heat from the slag is converted though several chemical processes and into high value added mineral wool which can be used for thermal insulation the heat from the slag was used as a heat source and theK Komnitsas, D Zaharaki, in Geopolymers, 2009 161 Introduction Millions of tons of metallurgical slags, consisting mainly of silicate and glassy phases, are produced every year from several types of furnaces during non ferrous, ferrous metal and steel productionIn steelmaking, the generation of slags reaches almost 15% of the quantity of metal producedMetallurgical Slag an overview | ScienceDirect Topics

A review of waste heat recovery technologies towards

01/12/2013· Hightemperature waste heat from the iron and steel industry, as shown in Fig 1, are mainly stored in products, molten slag and waste gas Molten slag, as a kind of byproduct during the steelmaking process, is exhausted in extremely high temperature and thus, it carries a great deal of highgrade heat accounting for 10% of waste energy in steel industry and 35% of18/06/2019· Abstract Slag produced as a byproduct in industrial processes, contains considerable metals contents, which need to be recovered to avoid environmental contamination In present review, the types(PDF) Metallurgical Processing Strategies for Metals

Pyrometallurgy Towards Clean Metallurgical Processing 2012

Heat recovery from slag has gained attention of metal extraction processes A direct method to r current air flow that extracts the heat from falling drol a substitute for Portland cement, thus high cooling sufficiently strong hydaulicity cooling howe lower the thermal efficiency of the process This arti( to determine the optimum conditions in the heat flow and granule diametermetallurgical process The impurities such as silicate and aluminate in the raw material of blast furnace iron smelting form liquid slag at 14001600°C Since the 1980s, blast furnace slag has been used as a secondary resource in many countries 2 EXISTING HIGH TEMPERATURE LIQUID SLAG TREATMENT METHODS At present, more than 80% of the slag is treated byRESEARCH OVERVIEW ON RECOVERY OF WASTE HEAT FROM HIGH TEMPERATURE SLAG

Recovery of heat from molten slag from metallurgical processes

A method of recovering heat from slag from a metallurgical process, comprising the steps of placing a molten slag below radiant heat absorbing tubes, passing a fluid medium through the heat absorbing tubes, causing heat radiated by the molten slag and by subsequently solidified slag at high temperature to undergo transfer to the fluid medium and thereby to be recovered,USA Method for recovering heat from molten slag Molten slag discharged from a metallurgical furnace and flowing down from a slag trough is atomized by air jet into a primary heatexchanger of rotary cylindrical type and hot slag granules thus obtained and air are caused to pass in a cocurrent therethrough so as to exchange the heat of the slag to the air flow toheat recovery metallurgical process slag boulangerietretsfr

High Temperature Rheological Characteristics of Iron and Steel

16/11/2020· Tobo, et al proposed a unique process of slag waste heat recovery The sensible heat of the sheetshaped slag was recovered by a counterflow packed bed type heat exchanger and showed that the heat recovery ratio is over 30% Motz, et al carried out research on dry solidification with heat recovery of ferrous slag They reported that theRecovery of heat from molten slag from metallurgical We claim: 1 A method of recovering heat from slag from a metallurgical process, comprising the steps of placing a molten slag below radiant heat absorbing tubes, passing a fluid medium through the heat absorbing tubes, causing heat radiated by the molten slag and by subsequently solidified slag at highheat recovery metallurgical process slag

A review of waste heat recovery technologies towards molten slag

01/12/2013· Hightemperature waste heat from the iron and steel industry, as shown in Fig 1, are mainly stored in products, molten slag and waste gas Molten slag, as a kind of byproduct during the steelmaking process, is exhausted in extremely high temperature and thus, it carries a great deal of highgrade heat accounting for 10% of waste energy in steel industry and 35% ofmolten slag granulation for waste heat recovery from various metallurgical slags Appl Therm Eng 2016;103:1112–8 8 Heo JH, Kim BS, Park JH Erratum to: effect of CaO addition on iron recovery from copper smelting slags by solid carbon Metall Mater Trans B 2013;44(6):1352–63 9 Zhang H, Shi X, Bo Z, et al Reduction of molten copper slagsThermodynamic analysis of thermal energy recovery and direct

How Heat Exchangers Will Support the Energy Transition

24/08/2022· To illustrate, at a slag production rate of 100 tph, a verticaltube movingbed heat exchanger — used to cool the granulated slag from 1832 to 662°F (1000 to 350°C) — can recover about 20 MW of thermal energy When combined with a heat recovery steam generator and steam turbine operating with an overall efficiency of about 65 percent, approximately 13Paul Wurth has developed the INBA® slag granulation process, incorporating our proprietary dynamic INBA dewatering drum With about 300 references, it is the most popular and effective route of processing blast furnace slag in the world today The process is highly flexible; and the compact subplant can be applied to any furnace configuration USB2 Granulation ofpaul wurth slag granulation

USA Recovery of heat from molten slag from metallurgical

Molten slag in a vessel or vessels is placed below heat absorbing tubes through which water is passed and converted into steam by the heat radiated by the slag of high temperature, the heat thus being recovered by utilizing the steam for heating purposes, or for driving a turbine or the like A cover is placed over the tubes and the vessel or vessels to increase the heat transferRecovery of heat from molten slag from metallurgical We claim: 1 A method of recovering heat from slag from a metallurgical process, comprising the steps of placing a molten slag below radiant heat absorbing tubes, passing a fluid medium through the heat absorbing tubes, causing heat radiated by the molten slag and by subsequently solidified slag at highheat recovery metallurgical process slag

heat recovery metallurgical process slag kooks

Recovery of heat from molten slag from metallurgical Sep 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 tubesTHE ESTIMATION OF SLAG PROPERTIES Know More 42 Heat Capacity, enthalpy 17 43 Thermal expansion , Metallurgical slags are usually based on the CaOAl2O3 SiO2 system , An example of process control is that the slag compositions should have a high Scapacity to maximise transfer of S from the metal to slag this is usually achieved by using a liquid, highheat recovery metallurgical process slag francescopeit

heat recovery metallurgical process slag foxdevelopmentpl

slag 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 31 Design of Slag Heat Recovery Pilot Plant The slag heat recovery pilot plant which was built in this development is a counterflow packed bedmetallurgical slag crushers ZCRUSHER heat recovery metallurgical process, slag Economics of Slag Heat Recovery from Ferronickel Slags titanium slag crusher plant Device and method for recovering hightemperature , , dry heat recovery of metallurgical slag to obtain , easy to operate, more conducive to promote metallurgical process wastemetallurgical slag crushers bhaktibe

Thermodynamic analysis of thermal energy recovery and direct

molten slag granulation for waste heat recovery from various metallurgical slags Appl Therm Eng 2016;103:1112–8 8 Heo JH, Kim BS, Park JH Erratum to: effect of CaO addition on iron recovery from copper smelting slags by solid carbon Metall Mater Trans B 2013;44(6):1352–63 9 Zhang H, Shi X, Bo Z, et al Reduction of molten copper slags05/04/2019· Dry granulation and heat recovery from metallurgical slags: Patrick Ammerlaan – SQAPE Commercialising geopolymers and gaining trust in the Dutch market through the patented SQAPE technology: paper: Oral presentations Session 1: Slag valorisation and thermodynamics; David Algermissen – FEhS – Building Materials Institute Valorisation of EAF slag through aDownloads | Slag Valorisation Symposium

A new technological approach to the granulation of slag melts of

03/11/2021· The technological factors required to improve the operational properties of granulated metallurgical slags demanded in the building industry have been analyzed In order to satisfy these factors, a new technology for hydrovacuum granulation of slag melts (HVG) has been developed It is shown that the main advantage of the proposed HVG process is the01/04/2019· Dry granulation and heat recovery from metallurgical slags 0910 Plenary Lecture Patrick Ammerlaan – SQAPE Commercialising geopolymers and gaining trust in the Dutch market through the patented SQAPE technology 0950 Coffee break 10201200 Session 9: Alternative heating, cooling and reactivity 1020 Willem Deleu – MEAM Heat recovery for anHome | Slag Valorisation Symposium

NEW APPROACHES TO SMELTER OFFGAS HEAT RECOVERY

from the process, so offgas heat recovery is critical to minimizing energy consumption and reducing operating costs Metallurgical process offgas presents real challenges for heat recovery due to high dust loading, corrosive gas, and thermal cycling in batch processes Waste heat boilers have been used for heat recovery on continuous

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