Blast Furnace Slag Granulation Process

Blast Furnace Slag Granulation Process

(PDF) A Review of Granulation Process for Blast Furnace Slag

Oct 08, 2021 · Yu, et al. [188] reviewed the granulation process for blast furnace slag. They reported that for every pig iron production accompanied by 0.3-0.6 tons of blast furnace slag produced with the ...

Read More
(PDF) Slag granulation systems for blast furnaces

Slag Granulation Systems for Blast Furnaces Page 9 of 12 B-2-033. Figure 8 Hot wate r granulation system at a 7500 thm/d fu rnace. The stack needs to be sufficiently high to disperse the steam ...

Read More
Blast Furnace Slag Granulation at the Cast House – IspatGuru

May 05, 2013 · Blast Furnace Slag Granulation at the Cast House. A blast furnace (BF) is a closed system into which iron-bearing materials (iron ore lump, sinter and/or pellets), fluxes (slag formers) and reducing agents (i.e. coke) are continuously fed from the top of the furnace shaft through a charging system. The products of reduction process which takes ...

Read More
Blast furnace slag granulation | Climate Technology Centre ...

Blast furnace slag is a nonmetallic byproduct of the manufacture of pig iron in a blast furnace. BFS consists primarily of silicates, aluminosilicates, and calcium-alumina-silicates. BFS forms when slagging agents (e.g., iron ore, coke ash, and limestone) are added to the iron ore to remove impurities.

Read More
Granulation characteristics of molten blast furnace slag ...

Jan 01, 2018 · The molten slag granulation experimental system consisted mainly of a molten slag supply unit, a centrifugal-air blast granulation unit and an image capture unit, as shown in Fig. 1.For the molten slag supply unit, we employed a high-temperature furnace with a

Read More
AISTech2018 Dry Slag Granulation – The Future Way to ...

approximately 80% of blast furnace slag sand is used as cement additive. The added value as cement additive is usually than utilizing the slag as aggregate material for road construction. The wet granulation process operates with a high water to slag ratio of about 8:1. The advantage of the wet process is that it

Read More
Process for granulation of slag - Paul Wurth S.A.

Abstract: The granulation of molten material, blast furnace slag for example, is accomplished by wetting the slag with a stream of water and thereafter transporting the thus formed granules away from the point of granulation with the water stream. Water consumption is minimized and average grain size increased by employing a multi-layer water ...

Read More
Slag Granulation with Continuous Dewatering Ironmaking

of granulation tanks and/or INBA dewatering drums adapted to your furnace design and requirements. Blowing Box Jet Slag Granulation Area: Granulation Tank & Blowing Box The slag granulation area links the hot slag runner of the blast furnace and the INBA dewatering system. This link is directly accomplished through the use of a granulation tank.

Read More
Granulation Effect Analysis of Gas Quenching Blast Furnace ...

Dec 12, 2019 · High content amorphous phase blast furnace slag beads were prepared by gas quenching blast furnace slag (BFS), which could not only avoid a series of environmental problems caused by traditional water quenching methods, but also significantly increase the added value of BFS subsequent products. In this paper, the granulation mechanism of BFS and the amorphous phase

Read More
Blast Furnace Slag – IspatGuru

Apr 10, 2013 · Blast Furnace Slag. satyendra; April 10, 2013; 1 Comment ; Air cooled slag, BF slag, BF Slag cement, Expanded slag, Glass content, Granultated slag, Leachate, Pelletized BF slag,; Blast Furnace Slag. Blast-furnace (BF) slag is defined by the American Society for Testing and Materials as ‘the non-metallic product consisting essentially of silicates and alumino-silicates of calcium and other ...

Read More
US7410537B2 - Process for the production of Portland slag ...

Accordingly, the present invention provides an improved process for the production of Portland slag cement using granulated blast furnace slag, which comprises: (viii) forming of cement clinker by known process, (ix) ball-milling of cement clinker for a period ranging between 30-60 minutes in dry condition, (x) reducing size of granulated blast furnace slag by any process to obtain the size in ...

Read More
Modeling on Dry Centrifugal Granulation Process of Molten ...

Lots of iron molten slag from blast furnace can be produced during iron making process. It is generally cooled by water quenching method which causes many problems, such as water consumption, serious pollution, energy wasting etc. To solve these problems, much more attention has been paid to various dry granulation methods.

Read More
Prediction on particle size characteristics of high ...

Oct 01, 2020 · The centrifugal granulation technique has the potential for high value-added resource utilization and simultaneous waste heat recovery from blast furnace (BF) slag. Particle size characteristics which provide guide for the determination of operation conditions, are main criterion for assessing the system performance.

Read More
UG-Mat Blast Furnace Slag | Recycled Materials Resource Center

Moisture in blast furnace slag, which occurs in the granulation process or in pelletized slag, should be removed by drying prior to the use of GGBFS as either an additive to Portland cement or a mineral admixture to Portland cement concrete.

Read More
Thermal-chemical conversion of sewage sludge based on ...

Nov 15, 2021 · In recent decades, many researchers focused on waste heat recovery method of blast furnace (abbreviated as BF) slag by SS gasification. Specifically, the slag granulation technology can produce slag particles with diameter less than 10 mm, which provides a guarantee for waste heat recovery technology [ 18 ].

Read More
Influence of the Thermal History of Granulated Blast ...

Mar 13, 2020 · The results described above explain also very well why the reactivity of dry granulated blast furnace slag was found to be lower compared to the same slag being quenched with water. The cooling with enormous airflows is slower compared to the classical water granulation process also if it results in a glassy slag.

Read More
Sabrina Lao - Management Consultant, Digital ...

Wet granulation Blast furnace slag, an essential part of the blast furnace process, is increasingly sold as a valuable by-product to cement producers. When selecting a slag composition, competing requirements must be considered to meet blast furnace and cement producer needs.

Read More
Dry Granulation of Blast Furnace Slag - Steel360

Apr 04, 2019 · 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. Atomization is done using a rotary cup air blast atomizer (Fig 1). The particles cool as they travel through

Read More
Modeling on Dry Centrifugal Granulation Process of Molten ...

Modeling on Dry Centrifugal Granulation Process of Molten Blast Furnace Slag. Lots of iron molten slag from blast furnace can be produced during iron making process. It is generally cooled by water quenching method which causes many problems, such as

Read More
CN201817499U - Water processing system for blast-furnace ...

The utility model relates to the field of metallurgical ironmaking equipment, in particular to a water processing system for blast-furnace slag granulation. The water processing system for blast-furnace slag granulation comprises a condensing tower, a granulator, a dewatering drum, a water collecting tank, a sedimentation tank, a lift pump, a cooling tower, a cold water tank, a condensed

Read More
OBJECTIVE: SCOPE: 3. PROCESS

through hot metal runners and slag is lead to cast house slag granulation system or to dry slag pit (when granulation is not being carried out) through slag runners. iii) Stoves and Hot Blast Supply System: Hot Blast Stoves (normally 3 nos.) supply hot blast after heating cold air provided by turbo blowers/Fans to Blast furnace through hot ...

Read More
Dry Slag Granulation (DSG) - YouTube

May 09, 2019 · Primetals Technologies has developed a new innovative blast furnace dry slag granulation process with heat recovery at the voestalpine pilot plant in Linz, A...

Read More
Blast Furnace Slag | Tarmac

Blast furnace slag is a secondary aggregate used widely in construction because of its performance attributes and durability. Slag aggregates produced by Tarmac are supplied as CE marked products under the Factory production control process of ISO 9001:2008 for the production of products to BS EN 12342 - Aggregates for Unbound and Hydraulically Bound Mixture, BS EN 13043 - Aggregates for ...

Read More
Cast House Slag Granulation Plant-10 inaugurated at BSP

Oct 24, 2021 · Cast House Slag Granulation Plant-10 is an important unit of Blast Furnace-5 which was functioning since 1995. This granulation process is of dehydrator type, through which work was done to

Read More
Some Fundamental Aspects of Dry Slag Granulation Process

granulation process and the dynamics of slag droplet collision with solid surfaces will be covered. Published studies on the thermodynamics of sulphur in slags and kinetics of sulphur transfer between blast the furnace slags and oxidising gas mixtures have been reviewed to ascertain the effects of oxygen ial pressure on part

Read More
高炉渣不同干法粒化工艺的对比试验

Abstract:In order to improve the dry granulation effect of blast furnace slag,and determine an appropriate granulation process,the characteristics and mechanism of different granulation methods were compared by means of dry granulation tests of the blast furnace slag. The results show that the form of granulated slag particles changes to ...

Read More
SAFETY GUIDELINES FOR IRON & STEEL SECTOR BLAST

house) through hot metal runners and slag is lead to cast house slag granulation system or to dry slag pit (when granulation is not being carried out) through slag runners. iii) Stoves and Hot Blast Supply System: Hot Blast Stoves supply hot blast after heating cold air provided by turbo blowers/Fans to Blast furnace through hot blast main ...

Read More
Sabrina Lao - Management Consultant, Digital ...

Wet granulation Blast furnace slag, an essential part of the blast furnace process, is increasingly sold as a valuable by-product to cement producers. When selecting a slag composition, competing requirements must be considered to meet blast furnace and cement producer needs.

Read More
Products › Ironmaking and steelmaking › Slag Granulation ...

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. This proven granulation process ensures economic granulation and produces valuable and consistent properties in the blast furnace slag.

Read More
转杯离心粒化熔融高炉渣数值模拟 - chinamet.cn

Abstract:In the process of centrifugal granulation of molten blast furnace slag based on spinning cups,under the centrifugal force exerted by the spinning cup,the molten slag deforms into a liquid film on the inner wall surfaces of the cup. The thickness of the slag film at the edge of the spinning cup will directly dominate the size of the ...

Read More
Thermal-chemical conversion of sewage sludge based on ...

Nov 15, 2021 · In recent decades, many researchers focused on waste heat recovery method of blast furnace (abbreviated as BF) slag by SS gasification. Specifically, the slag granulation technology can produce slag particles with diameter less than 10 mm, which provides a guarantee for waste heat recovery technology [ 18 ].

Read More