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slag blast granulating heat recovery:

Heat recovery in dry granulation of molten blast furnace slag

2021-8-18 · In a research and development project undertaken jointly between Ishikawajima-Harima Heavy Industries Co. and Sumitomo Metal Industries, Ltd., a process has been developed for granulating molten slag discharged from blast furnaces, to produce granules utilizable as fine aggregate in the preparation of concrete, while at the same time ensuring effective recovery and utilization of the sensible heat carried by the molten blast furnace slag.

Granulation and Heat Recovery from Metallurgical Slags ...

2019-12-9 · For these reasons, and considering the typical HRE (heat recovery efficiency) values reported in the literature, a reasonable recovery would be 50% (thermal to thermal). With this, and using the weighted average enthalpy of all slags at 1.6 GJ/t, the effective thermal

slag blast granulating heat recovery - hotelshrihaan

Waste Heat Recovery from Blast Furnace Slag by . Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat. To recover the heat, a new waste heat-recovery system—granulating molten BF slag by rotary multinozzles cup atomizer and pyrolyzing printed circuited board with obtained hot ...

slag blast granulating heat recovery - hotelshalam

slag blast granulating heat recovery For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and profit more quickly.

Dry Slag Granulation with Heat Recovery - ABM

2020-4-6 · DRY SLAG GRANULATION WITH HEAT RECOVERY* Ian James McDonald1 Andrea Werner2 Abstract Each year, approximately 400 million tons of blast furnace slag is produced worldwide with a tapping temperature of around 1,500°C. It is normally used as a substitute for cement clinker or as an aggregate material in road construction.

(PDF) Heat Recovery from Slag through Dry Granulation

The method proposed by Australia's Commonwealth Scientific and Industrial Research Organization (CSIRO) to recovery heat from BF slag is composed by two successive processes: the dry granulating ...

Energy recovery from high temperature slags - ScienceDirect

2011-9-1 · The only documented study on recovery of slag heat through coal gasification is a materials-energy balance analysis by Li et al. in China. In the proposed coal gasification system, CO 2 is injected together with coal into a molten BF slag bath, generating carbon monoxide through Reaction (1). The sensible heat of off-gas is recovered in a heat exchanger to make steam while the cleaned gas is

Research status of centrifugal granulation, physical heat ...

2021-8-1 · After being subjected to granulation, BF slag can subsequently undergo a heat recovery process to extract the thermal energy. Based on the energy conversion forms of the BF slag particles, the heat recovery technology used for extracting thermal energy from BF slag is classified as either the physical method or the chemical method.

Development of a BOF slag blast granulating and heat ...

Made available by U.S. Department of Energy Office of Scientific and Technical Information ...

A hybrid cooling system to enable adhesion-free heat ...

It remains a long-standing challenge to recover high-temperature heat from blast furnace slag. Centrifugal granulation assisted thermal energy recovery (CGATER), although being proposed for tens of...

slag blast granulating heat recovery - hotelshrihaan

Waste Heat Recovery from Blast Furnace Slag by . Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat. To recover the heat, a new waste heat-recovery system—granulating molten BF slag by rotary multinozzles cup atomizer and pyrolyzing printed circuited board with obtained hot ...

slag blast granulating heat recovery

slag blast granulating heat recovery. Granulating Dryer Introduction Granulating dryer is a steel slag dryer for drying large scale of materials and it has large production capability large appliion scope small flow resistance and convenient operation Steel slag dryer is widely used in the drying for the sand river sand slag coal cinder quartz.

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

2013-11-7 · for the blast furnace slag energy and as in consequence CO 2 can be saved. 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.

Development of a BOF slag blast granulating and heat ...

Made available by U.S. Department of Energy Office of Scientific and Technical Information ...

A hybrid cooling system to enable adhesion-free heat ...

Moreover, for a specific granulating device as well as the slag droplet with diameter of 5 mm and initial temperature of 1673 K, the condition with heat transfer coefficient of 50–76 W·m⁻² ...

Development of Heat Recovery From Blast Furnace Slag

A considerable amount of heat energy is contained in the molten slag tapped from blast furnace.At present,the BF slag is treated by impinging much water for granulation and the energy is wasted without recovery.Thus,dry granulation technology has attracted more and more attention.The basic problems and technical difficulties of dry granulation were analyzed.Typical dry granulation processes ...

HEAT RECOVERY IN DRY GRANULATION OF MOLTEN

HEAT RECOVERY IN DRY GRANULATION OF MOLTEN BLAST FURNACE SLAG. ENERGY DEVELOPMENTS IN JAPAN; ISSN 0161-8091; USA; DA. 1983; VOL. 5; NO 3; PP. 287-309; BIBL. 6 REF. Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above ...

Research on the Granulating Water of Blast Furnace Slag ...

Water granulating is widely used to treat blast furnace slag in iron-making process, and the large amount of waste heat of granulating water is currently wasted in the cooling tower or in detritus tank. In response to the status, a new-style technical scheme that the granulating water was used for building heating as the heat source was put forward in the paper.

Slag recycling - recovery

No slag recovery data is available for 2019, but estimates from the US Geological Survey (USGS) assume that the quantity recovered will comprise approximately 50 % blast furnace slag and 50 % steelworks slag with a merchandise value of US$ 470 million. Blast furnace slag

Dry Granulation of Blast Furnace Slag for Energy Recovery ...

2014-8-9 · Dry Granulation of Blast Furnace Slag for Energy Recovery. Around 300 kg of liquid slag is produced as byproduct while producing one ton of hot metal in a blast furnace (BF). This slag is at a temperature of around 1500 deg C and has a sensible heat of approximately 400 M Cal per ton. BF slag

TPT: Dry Granulation of Blast Furnace Slag for Heat Recovery

Dry Granulation of Blast Furnace Slag for Heat Recovery Blast furnace slag is known as a by-product from the production of hot metal at integrated steel and iron mills. Approximately 300 kg of this liquid slag with a temperature of about 1500°C is tapped

Granulation of molten slag for heat recovery - IEEE ...

2002-7-31 · IEEE Xplore, delivering full text access to the world's highest quality technical literature in engineering and technology. | IEEE Xplore

Waste Heat Recovery from Blast Furnace Slag by Chemical ...

Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat. To recover the heat, a new waste heat-recovery system—granulating molten BF slag by rotary multinozzles cup atomizer and pyrolyzing printed circuited board with obtained hot BF slag particle—was proposed in this study.

A hybrid cooling system to enable adhesion-free heat ...

Moreover, for a specific granulating device as well as the slag droplet with diameter of 5 mm and initial temperature of 1673 K, the condition with heat transfer coefficient of 50–76 W·m⁻² ...

Development of Heat Recovery From Blast Furnace Slag

A considerable amount of heat energy is contained in the molten slag tapped from blast furnace.At present,the BF slag is treated by impinging much water for granulation and the energy is wasted without recovery.Thus,dry granulation technology has attracted more and more attention.The basic problems and technical difficulties of dry granulation were analyzed.Typical dry granulation processes ...

Waste Heat Recovery from Blast Furnace Slag by Chemical ...

Abstract. Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat. To recover the heat, a new waste heat-recovery system—granulating molten BF slag by rotary multinozzles cup atomizer and pyrolyzing printed circuited board with obtained hot BF slag particle—was proposed in this study.

DRY SOLIDIFICATION WITH HEAT RECOVERY OF

2013-4-9 · Former developments for blast furnace slag In the past, various alternative granulation and solidification processes for liquid blast furnace slag, e.g. granulating mill4, air granulation5 or pelletising6 were developed and applied, but are no longer industrially employed. Quite often, the

Development of Molten Slag Dry Granulation and Heat

DU Bin,LUO Guang-liang,JIANG Rong-quan(Tianli Drying Co.,Ltd,Shangdong,Jinan,250014,China)

Design and Operation of Dry Slag Granulation Pilot Plant ...

2019-2-22 · Sakakibara M (1990) Development of the technology on heat recovery from molten slag of blast furnace. Tetsu Hagane 76:1587–1596. Article Google Scholar 27. Jahanshahi S, Xie D (2012) Current status and future directions of CSIRO’s dry slag granulation process with waste heat recovery.

Some Fundamental Aspects of Dry Slag Granulation

2014-7-8 · Abstract: There is a growing interest in development of a dry slag granulation (DSG) process so as to recover the sensible and latent heats from molten slags and convert iron blast furnace slags into a glassy phase that is a suitable replacement for Portland cement. The combination of waste heat recovery and conversion of slag into a saleable