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To address these great issues especially the global warming, numerous approaches have been introduced, among which the heat recovery and material recycling from the traditional carbon-intensive industries, such as the metallurgical industry …
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 high-temperature fluid or gas through radiant heat absorbing tubes for heat absorption and recovery.
Potential 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. =0.5％of annual coal import of …
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: 1-3 October, 2012 Sharif Jahanshahi and Dongsheng Xie 2.
Waste Heat Recovery from High-Temperature Blast Furnace Slag Particles ... Keywords: Waste Heat Recovery, Slag, Granulation, Particles, Gravity Bed Boiler . Introduction . Blast furnace slag is one kind of solid waste, which ... molten slag discharged from iron making process.
Slags are byproducts of the metallurgical industry. It is of importance to recycle materials and recover heat from metallurgical slags to reduce the energy consumption and environmental impact of steel industry. China is the largest iron- and steelmaking slag producer in the world, and intensive ...
The 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 liquid-phase restoration for steelmaking waste slag of the Zlatoust Metallurgical Plant applying the induction heat installation is the aim of this study.
Energy efficiency improvements achieved using heat recovery processes offer benefits to both the business case and environmenta l impact of metallurgical facilities. Fig. 1: Heat recovery from slag in a laterite nickel production.
Metallurgical slags, discharged at high temperature range, are produced as by-products 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 …
Atoll Metal Recovery is a world leader in the provision of metal recovery services to metallurgical processors and mining companies. Since its formation, Atoll Metal Recovery has built 11 major metal-from-slag recovery plants in Southern Africa, capable of processing between 120 and 200 t/h of slag.
Apr 02, 2010· These parameters include bell less charging system, use of agglomerates, coal injection, hot blast temperature, coke rate, stove waste gas heat recovery, and high top pressure. The slag volume represents loss of material and energy both. This …
For carbon steel slags: after screening of slag materials our magnetic separation process ensures the highest level of metal recovery. Through further crushing and screening, the scrap can be upgraded to high-Fe material for use as coolant scrap in the mill. The residual slag is sold as an aggregate.
Abstract. Heat recovery from hot blast furnace (BF) slag is difficult to achieve but has great potential to recover energy and thereby reduce CO 2 emissions. The objective of this work is to utilise the heat of hot BF slag granulates to generate combustible gas from printed circuit boards.
In this process, thermal energy of slag transfers to sensible heat of hot air. Recently, another trial to recover waste heat of the BF slag in the form of sensible heat of hot water after the wet granulation is also reported. In other words, these heat recovery processes are based on utilization of sensible heat with/without latent heat.
Slag as heat storage material for waste heat recovery (leaded by CIC Energigune). The primary energy requirements of heavy industries are intensive. Even if companies are putting a big effort to reduce the needed input energy and optimize the overall energetic efficiency, between 30-50% of this energy is lost during the manufacturing process.
Dry solidification with heat recovery of ferrous slag ... That is the reason for comprehensive research in dry slag solidification with heat recovery in the most recent past. ... Solidification of large quantities of slag, independent of the metallurgical process (BF, BOF, EAF, ladle furnace), in the absence of any particular system to ...
XSD Sand Washer. The efficient sand washing machine of XSD series is a kind of cleaning equipment of international advanced level for sand and slag pellets, developed on the basis of introducing foreign outstanding technology of the same kind of products.
Better trouble-shooting capabilities for metallurgical process problems or deficiencies. More accurate determination of process efficiency and recovery rates. More informed flowsheet design and modification. Improved information flow to management.
Waste Heat Recovery Using the Example of Slag Fuming 2. Principle of a Waste Heat Recovery System The primary process gas handling is the main purpose of a waste heat boiler. The process gas temperature has to be cooled down to a level that allows a further treatment for ex-
Blast furnace slag present invention dry granulation and heat recovery ... furnace slag and waste heat recovery process translated from Chinese .... particles, and then using the remaining heat recovery technology methods.
companies in the metallurgical industry. The energy recovered from these waste ... Depending upon the type of slag handling . process, waste heat can be recovered at different temperatures at different stages, ... Heat recovery from slag is being researched .
The Enviroplas process was developed at Mintek to treat certain metallurgical wastes, such as Lead Blast Furnace (LBF) slag, Electric Arc Furnace (EAF) dust, and …
1: Zhou Jicheng Zhang Chunxia Li Xiuping Qi Yuanhong (Central Iron & Steel Research Institute State Key Laboratory of Advanced Steel Processing and Products,Beijing,100081);Status of Procedure Energy Consumption and the Review and Prospect of Energy Saving Technologies of Blast Furnace Process in China[A];[C];2009
Crystallization 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 …
Y02P10/242 — Slag reuse in metallurgical processes. ... In the following a slag quench water vapor waste heat recovery process as an example to illustrate the operation of the process of the present invention. ... Blast furnace slag waste heat recovery system and recovering control method for blast furnace slag waste heat recovery system
Solid waste recovery and transformation. ... it also allows recovering pig iron. Moreover, the slag from the process is a metallurgical slag that can be recovered by using the Danieli Global Blue process successfully implemented at the ABS meltshop. ... Clean Heat Recovery System Mobile App. Fume Treatment Plant Video.
Blast Furnace Slag Granulation Process. ... Heat Recovery Metallurgical Process Slag. ... Air blast granulator [3] ... heat recovery process. ... is a typical endothermic process, and blast furnace slag needs a rapid cooling in. blast furnace slag granulation process - sherda.org.
In modern blast furnaces around 0.25-0.30 tons of liquid slag with a temperature of approximately 1450°C are produced per ton of pig iron. A number of slag heat recovery systems have been proposed.