plant from Blast Furnace ‘slag runners This paper will show the development path taken to date and the planned route to our goal in 2016 of being the first to industrialise the ‘game changing’ process of dry Slag Granulation with Heat Recovery from the slag Keywords: Blast furnace; Dry slag granulation; Energy recovery; Cement...
The developed conversion process involves improving the physical properties in two stag Stage 1: Altering granulation parameters Slag Granulation is primarily affected by water temperature, water pressure and water flow rate When the material solidifies under slow cooling conditions, escaping gases leave behind micro pores in the cooled mass...
The slag granulation plant comprises three sections: for granulation, dewatering and storage In the granulation section, the liquid slag is ‘quenched’ by pouring onto it an excess water stream The evaporated water will be condensed in a condensing tower located above the granulation tank...
Aug 09, 2014· The dry slag granulation process is essentially to atomize the liquid slag and then to cool the particles rapidly so as to produce a glassy slag The atomization is done using a rotary cup air blast atomizer The particles cool as they travel through ,...
Blast furnace slag, as bulk solid waste produced in the ironmaking process, will inevitably pollute the environment and occupy a large amount of land resources if it is not treated and utilized [1,2]The traditional water quenching method of blast furnace slag (BFS) will consume a lot of new water in the process, pollute the atmosphere by gases such as H 2 S and SO 2, waste a lot of sensible ....
Aug 09, 2016· Scale-up to Semi-industrial Scale DSG Plant (2009/12) Circulation and cooling of droplets and granules in the cyclonic section High speed video of spinning disc during dry granulation of blast furnace slag at 75 kg/min • Designed, constructed, commissioned and used to generate data for validating CFD model • 3 m diameter reactor, processing ....
Aug 09, 2016· Scale-up to Semi-industrial Scale DSG Plant (2009/12) Circulation and cooling of droplets and granules in the cyclonic section High speed video of spinning disc during dry granulation of blast furnace slag at 75 kg/min • Designed, constructed, commissioned and used to generate data for validating CFD model • 3 m diameter reactor, processing ....
The invention relates to the granulation of molten slag directly from metallurgical furnac Known installation granulated slag containing slag chute, which consistently are hydrogenerator, a hopper - sump with grate and overflow device and coupled with well installed the airlift, connected in turn with the dehydrator carousel with feeding hopper and the discharge hopper, and well air pump ....
slag granulation process pdf - crusherquartz-crusher Recent progress of hot stage processing for steelmaking slags in , Jinan Steel has been using this process for BOF slag granulation since 1978 for their 25 ton BOF...
DOI: 101007/s40831-019-00214-0 Corpus ID: 139431241 Design and Operation of Dry Slag Granulation Pilot Plant @article{Cooksey2019DesignAO, title={Design and Operation of Dry Slag Granulation Pilot Plant}, author={M Cooksey and Adrien Guiraud and Benny Kuan and Y Pan}, journal={Journal of Sustainable Metallurgy}, year={2019}, volume={5}, pages={181-194} }...
Granulation of titania slag has been identified as a potential viable alternative to the conventional block route Both wet and dry granulation of titania slag has been investigated TiO2-rich slag is a suitable feed material for the chloride process if the ilmenite feed material is low in alkaline earth impuriti...
emission from the cement processing plant and in increasing the energy saving This paper discusses the results of slag granulation experiment using water spraying unit Based on the experimental results a granulation plant is proposed to be built closely to the existing steel making plant This study is part of a larger investigation work...
Dry granulation requires no subsequent drying of the product in the cement making process leading to a CO_2 reduction of roughly 30 kg/t compared with a similar sized wet system This project is a major R&D exercise now being undertaken by Siemens VAI in conjunction with industrial and scientific partners...
Slag treatment is the main ecological problem of the modern Ukraine metallurgy manufacture The blast-furnace slag is the by-product of the ironmaking process It has produced in the blast-furnace in the amount of 300 kg per tonne of pig iron Now in Ukraine the blast-furnace slag is treated by impinging much water for granulation This ....
slag granulation process pdf - crusherquartz-crusher Recent progress of hot stage processing for steelmaking slags in , Jinan Steel has been using this process for BOF slag granulation since 1978 for their 25 ton BOF...
The process, based on pan granulation of water free melt, has proved very successful The investment and production costs are low, and the product has excellent physical properties and storage ability The new pan granulation technique has since been used for production of NPK, urea and nitrate of lime fertilisers of regular (2-4 mm) and larger ....
Generally, wet granulation plants are used to cool down and process the material, using large quantities of water—it can take more than eight tons of water to treat one ton of slag As of now, there is no industrial-scale method to recover the heat energy retained in the slag,...
May 10, 2021· The wet granulation technique is primarily used to improve flow, compressibility, bioavailability, and homogeneity of low dose blends, electrostatic properties of powders, and stability of dosage forms The granulation process A granulation process has a lot of parameters that can have a significant impact on the process quality...
plant (tower plant) The ACP off-gas passes through wet cleaning and is then treated in a double-contact, double-absorption acid plant for production of 98% sulfuric ac The 70–76% acid from the tower plant is used for dilution in the absorption circuit in the contact plant The SCF off-gas is treated in a wet venturi scrubber...
The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants With the development of sintering technology, a sintering plant has become a tremendous success for providing a phenomenal increase in productivity and saving in coke rate to the blast furnace The technology of sinter making...
Aug 09, 2014· The dry slag granulation process is essentially to atomize the liquid slag and then to cool the particles rapidly so as to produce a glassy slag The atomization is done using a rotary cup air blast atomizer The particles cool as they travel through ,...
Oct 05, 2015· Centrifugal granulation is a crucial step in the most promising heat recovery technique for molten blast furnace slag Facing the fact that slag viscosity changes during the granulation process, in the present work, visualization experiments were conducted for centrifugal granulation of mixture liquids by a spinning disc...
DOI: 101007/s40831-019-00214-0 Corpus ID: 139431241 Design and Operation of Dry Slag Granulation Pilot Plant @article{Cooksey2019DesignAO, title={Design and Operation of Dry Slag Granulation Pilot Plant}, author={M Cooksey and A Guiraud and Benny Kuan and Y Pan}, journal={Journal of Sustainable Metallurgy}, year={2019}, volume={5}, pages={181-194} }...
A Review of Granulation Process for Blast Furnace Slag Pengfei Yu, Shuzhong Wang, Yanhui Li and Guixi Xu Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, School of ....
slag These all require rapid cooling of the slag and this led to the development of the idea that the cooling process could involve recovery of heat which could be re-used Granulation of slag Slag previously discarded, has commercial value when processed into the right form, but must be cooled down in a controlled...
Abstract: A continuously growing market for granulated slag and increasingly more severe Environmental constraints have encouraged Paul Wurth to further improve the technology of granulation to provide customers with state of the art installations This paper presents the initial designs of the granulation plant and the route to the latest ....
Slag, treatment, reduction, metal and heat recovery, granulation, slag product 1 Introduction The metallurgical industry generates every year huge amounts of slag The annual amount of generated steelmaking slags alone is more than 100 million tons The steel slag is normally used as construction materials, for instance, for...
The invention relates to the granulation of molten slag directly from metallurgical furnac Known installation granulated slag containing slag chute, which consistently are hydrogenerator, a hopper - sump with grate and overflow device and coupled with well installed the airlift, connected in turn with the dehydrator carousel with feeding hopper and the discharge hopper, and well air pump ....
sinter plant slag (LD process slag) HMDS Slag is a by product of steel which will reduce the cost of production due to , developing, in order to improve the recovery rates of slags At the same time, the re-use of iron and steelmaking slags has , to the granulation drum Granules were prepared in the granulation drum by maintaining a ....
We developed a new, integrated dry granulation and heat recovery process which promotes sustainability and full value recovery Molten slag is atomised under centrifugal forces exerted by a spinning disc to produce droplets which are then quenched and solidified using air to recover the heat...