dry slag granulation

Hot Searches

Granulation - Wikipedia

Dry granulation The dry granulation process is used to form granules without a liquid solution because the product granulated may be sensitive to moisture and heat Forming granules without moisture requires compacting and densifying the powders In this process the primary powder particles are aggregated under high pressure...

(642e) Dry Granulation of Blast Furnace Slag for Heat ,

Nov 07, 2013· Using dry slag granulation at integrated steel and iron mills will gain access to the sensible heat of the blast furnace slag The recovered energy can be used for the production of steam or electricity or for other useful preheating process An energy ,...

AIST - 2018 AISTech Conference Proceedings

Currently, the slag is granulated in wet granulation plants using large volumes of water and to date it has not been possible to utilize the remnant heat energy of the molten slag, with approx 17 GJ of energy per ton Keywords: Blast Furnace, Dry Slag Granulation, Slag Sand, Heat Recovery, Cement, Carbon Footprint, CO2 reduction,Energy Efficiency...

Preface for Thematic Section: Slag Granulation | SpringerLink

May 31, 2019· As such, it is highly desirable that an alternative slag process could be developed to replace water granulation to meet the current and future needs of the steel industry The concept of dry granulation and heat recovery was proposed in the 1970s...

Design and Operation of Dry Slag Granulation Pilot Plant ,

Abstract CSIRO has been working on a dry granulation process, integrated with heat recovery, since 2002 It involves a rotary disc that atomizes molten slag to produce liquid droplets, which are rapidly quenched to become solid granul...

Dry slag granulation: producing valuable by-products from ,

Nov 06, 2019· By converting low value air-cooled blast furnace slag into a high value material for the cement/construction industry, this process turns a waste product into wealth We are partnering with Beijing MCC Equipment Research & Design Corporation (MCCE) to commercialise the dry slag granulation technology...

Granulation of titania slag - SAIMM

Dry granulation of titania slag Description and operation of the dry granulation plant Dry granulation of titania slag was carried out at the 500 kW DC furnace on site In this instance compressed air was used as granulation medium Two rectangular guide plates placed on the slag taphole side of the furnace channelled...

Some Fundamental Aspects of Dry Slag Granulation Process

Some Fundamental Aspects of the Dry Slag GranulationProcess Sharif Jahanshahi*, Yuhua Pan and Dongsheng Xie CSIRO Minerals Down Under National Research Flagship, Clayton, Victoria, 3168, Australia Abstract: There is a growing interest in development of a dry slag granulation (DSG) process so as to recover the...

blast furnace slag granulation VNIIMT technology ,

Nov 19, 2014· blast furnace slag granulation VNIIMT technology vniimt...

Valorisation Symposium

Proceedings of the Fourth International Slag Valorisation Symposium Zero Waste 15-17 April 2015 Leuven, Belgium Editors Annelies Malfliet and Yiannis Pontikes...

CN104428427A - Slag granulation system and method of ,

A slag granulation device comprises a slag granulation chamber; a rotary atomising granulator (5, 6) to atomise molten slag, the granulator being mounted in the granulation chamber; and an air supply (33) to supply air to the molten slag (9) before the slag is atomised The system further comprises a slag delivery mechanism for delivering slag to the granulation chamber...

Feasibility of Rotary Cup Atomizer for Slag Granulation

At the present molten slag from a blast furnace (BF) is granulated by impinging much water without any recovery of its much sensible heat (1823K), polluting water and atmosphere To solve these problems, we studied the dry granulation of molten slag by Rotary Cup Atomizer (RCA), in ,...

Heat recovery in dry granulation of molten blast furnace slag

@article{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 Ishikawajima-Harima Heavy Industries Co and Sumitomo Metal Industries, Ltd, a process has been ....

Dry slag granulation with integrated heat recovery

Dry slag granulation could make a fundamental change in slag treatment In this new approach, molten slag is atomized under centrifugal forces on a spinning disc, and the droplets generated are quenched and solidified quickly using air, with simultaneous heat recovery...

Some Fundamental Aspects of Dry Slag Granulation Process

Some Fundamental Aspects of the Dry Slag GranulationProcess Sharif Jahanshahi*, Yuhua Pan and Dongsheng Xie CSIRO Minerals Down Under National Research Flagship, Clayton, Victoria, 3168, Australia Abstract: There is a growing interest in development of a dry slag granulation (DSG) process so as to recover the...

Dry Granulation of Blast Furnace Slag for Energy Recovery ,

Aug 09, 2014· Dry slag granulation using a rotary cup air blast atomizer 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 the air and are then cooled further ....

(PDF) Dry slag granulation of modified BOF slag

Dry slag granulation of modified BOF slag , "Dry slag granulation-­-the environmentally friendly way to making cement," in Proceedings of 9th global slag conference, Dubai, UAE, 2013 ....

Granulation characteristics of molten blast furnace slag ,

Jan 01, 2018· With this technology, dry slag granulation acts as a prerequisite and key role towards realizing the ultimate heat recovery rate and slag quality To this end, several techniques including rotary drum, air blast, and centrifugal granulation have been developed ...

Modeling on Dry Centrifugal Granulation Process of Molten ,

dry granulation process of molten slag which can solves the problems mentioned above to a large extent Different kinds of dry granulation techniques have been proposed and investigated Typical examples of these processes include granulation by cooling drum, mechanical stirrer, rolling drum, high speed air and centrifugal force etc1,2) Among...

Dry Granulation of Blast Furnace Slag - steel-360

Dry granulation of liquid BF slag is being developed in many countries along with heat recovery process The dry granulation process of liquid slagis described below 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...

RECENT DEVELOPMENTS IN DRY SLAG GRANULATION: A ,

23 Dry Slag Granulation Significant research and development has occurred in the area of Dry Slag Granulation (DSG) over the past decad Development of DSG technologies is driven by the desire to improve safety and sustainability of conventional slag handling methods The most significant advantage of DSG is that it provides a safer and more...

Forging a future in green steelmaking - CSIRO

Mar 16, 2015· Our dry slag granulation technology involves pouring molten slag from above our rig down to a spinning disc That disc is spinning at high speed and it atomises the molten slag into small granul [Image changes to show molten slag being atomised and collected in the taurus]...

Abstract: Dry Granulation of Blast Furnace Slag for Heat ,

In summary dry granulation of blast furnace slag allows an environmental friendly and sustainable subsequent processing for one of the last big heat recovery potentials at a modern blast furnace [1] References [1] McDonald, I, Long, E, Werner, A & Most, D (2010) Dry slag granulation - The environmental friendly way to making cement...

chinese technology for blast furnace slag granulation process

Paper - Slag Valorisation Symposium In this paper, the dry granulation process flow and semi- industrial , valorisation are 21% for steel slags and 76% for blast furnace slags...

Feasibility of Rotary Cup Atomizer for Slag Granulation

At the present molten slag from a blast furnace (BF) is granulated by impinging much water without any recovery of its much sensible heat (1823K), polluting water and atmosphere To solve these problems, we studied the dry granulation of molten slag by Rotary Cup Atomizer (RCA), in which the influence of the rotat-...

Dry Granulation of Blast Furnace Slag for Energy Recovery ,

Aug 09, 2014· Dry slag granulation using a rotary cup air blast atomizer 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 the air and are then cooled further ....

Dry Slag Granulation: A Path to Improving the Safety and ,

The energy in slag is lost through dumping and water granulation processes, and where slag is sold as a by-product, it is for its chemical content only Here, dry granulation processes also offer advantages including the production of by-products which hold value in both their chemical content and physical properties and heat recovery...

Slag Atomising Technology: Unlocking Real Value

12 Water Granulation Although not as common as dry slag handling, water granulation of slag represents a significant part of the in-dustry Two major forms of granulation systems do exist: 1) at the end of launder attached directly to the furnace or 2) at a dedicated facility designed to accept slag pots or ladl...

v118n6a10 Impact of air granulation on the ferrochrome ,

Air granulation is being tested to evaluate its effect on the ferrochrome value chain within a typical South African metallurgical complex Here we report the results of this first-of-its-kind work, and explore strategies for successful integration +$ %' slag handling, air granulation, dry granulation, energy recovery, granulation, ferroalloys ....

Modeling on Dry Centrifugal Granulation Process of Molten ,

dry granulation process of molten slag which can solves the problems mentioned above to a large extent Different kinds of dry granulation techniques have been proposed and investigated Typical examples of these processes include granulation by cooling drum, mechanical stirrer, rolling drum, high speed air and centrifugal force etc1,2) Among...