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slag waste heat utilization

Thermodynamic Studies on Steel Slag Waste Heat

2020-10-18  Srinivasarao M., Kumar N., Syamsundar A. (2021) Thermodynamic Studies on Steel Slag Waste Heat Utilization for Generation of Synthesis Gas Using Coke Oven Gas (COG) as Feedstock. In: Bose M., Modi A. (eds) Proceedings of the 7th International Conference on Advances in Energy Research. Springer Proceedings in Energy.

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A novel method of utilization of hot dip galvanizing slag ...

2018-2-15  Novel method of utilization of hot dip galvanizing slag using the heat waste from itself for protection from radiation. Good agreement is observed between experiment and WinXCOM results. Shielding properties of the prepared samples are better than some concretes, glasses and alloys.

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A review of waste heat recovery technologies towards ...

2013-12-1  Utilization of slag. Besides the high-temperature waste heat carried by slag, the slag itself is a kind of raw material which can be widely used as Portland cement, glass–ceramics, ready mixed concrete, asphaltic concrete, roadbed material and construction aggregate.

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A novel method of utilization of hot dip galvanizing slag ...

Novel method of utilization of hot dip galvanizing slag using the heat waste from itself for protection from radiation. • Good agreement is observed between experiment and WinXCOM results. • Shielding properties of the prepared samples are better than some concretes, glasses and alloys. •

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Latent Heat of Amorphous Slags and Their Utilization as

The utilization of latent heat of slag crystal-lization can decrease the temperature of waste gas, or in other words, even a lower grade waste heat can be used. 2. Experimental The experimental apparatus and procedure for making the slag particles are the same as that described in a previ-

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Recovery, Utilization and Research of Waste Heat from the ...

To make use of waste heat of water quenching for blast furnace slag in production, this paper introduces and then analyzes some ways of waste heat recovery is used to power generation, sea water desalination and heating, in particular, indicates that the form of indirect heating of graining tower steam recycling equipment is the best most application and extension.

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Thermodynamic Analysis of Blast Furnace Slag Waste Heat ...

2015-4-14  The blast furnace (BF) slag waste heat was recovered by an integrated system stage by stage, which combined a physical and chemical method. The water and coal gasification reactions were used to recover the heat in the system. Based on the first and second law of thermodynamics, the thermodynamic analysis of the system was carried out by the enthalpy–exergy diagram. The results

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Granulation and Heat Recovery from Metallurgical Slags ...

2019-12-9  The hot slag granules then fall into a modified fluidised bed where waste heat is recovered at 400 °C. Waste heat recovery at higher temperatures is possible, but

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Thermodynamic Analysis of Blast Furnace Slag Waste Heat ...

Utilization efficiency of the BF slag waste heat by each unit. Table III. The enthalpy and exergy efficiency of the prevailing method of heat recovery from slag

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The technological calculation for synergistic system of BF ...

2014-11-1  In order to achieve the conversion and utilization of BF slag waste heat and CO 2-rich industrial waste gas, a synergistic system was proposed.The methods of technological calculation and exergy analysis were conducted to determine the performance of the gasifier in the system using the coal/waste gas gasification reaction to recover the BF slag waste heat.

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Heat Transfer and Energy Utilization of Waste Heat ...

2020-2-26  equipment in slag waste heat recovery, and waste heat recovery rate can reach 50%. Rouaban et al. [17] studied recycling and utilization of slag in road con-struction in Algeria. Al-Baijat et al. [18] found that using slag can improve con-crete properties. At present, there are few studies on the influence of waste heat recovery device

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Recovery, Utilization and Research of Waste Heat from the ...

To make use of waste heat of water quenching for blast furnace slag in production, this paper introduces and then analyzes some ways of waste heat recovery is used to power generation, sea water desalination and heating, in particular, indicates that the form of indirect heating of graining tower steam recycling equipment is the best most application and extension.

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RESEARCH OVERVIEW ON RECOVERY OF WASTE HEAT

2020-2-27  of waste heat resources contained in liquid slag is equivalent to about 38 million tons of oil equivalent. It has great value of waste heat recovery and resource utilization. Among all kinds of slag treatment methods, dry centrifugal granulation has the advantages of small particle size and high vitrification, which is a

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Waste heat recovery from blast furnace slag-washing

Waste heat utilization of blast furnace slag-washing water project payback period of only one heating period, can also apply for State energy conservation subsidies, and by way of collection of heating charges, create benefits for the steel mills, and cost savings. Also, because the

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Energies Free Full-Text Heat Recovery from High ...

Waste heat recovery from high temperature slags represents the latest potential way to remarkably reduce the energy consumption and CO2 emissions of the steel industry. The molten slags, in the temperature range of 1723–1923 K, carry large amounts of high quality energy. However, the heat recovery from slags faces several fundamental challenges, including their low thermal conductivity ...

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FEASIBILITY OF WASTE HEAT RECOVERY FROM MOLTEN

2006-2-13  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. They greatly contributes to recovery of waste heat simply, easily and economically.

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Preparation of Slag Wool by Integrated Waste-Heat

Preparation of Slag Wool by Integrated Waste-Heat Recovery and Resource Recycling of Molten Blast Furnace Slags: From Fundamental to Industrial Application . by Dawei Zhao, Zuotai Zhang, Xulong Tang, Lili Liu. and . Xidong Wang * Beijing Key Laboratory for Solid Waste Utilization

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Recovery and Utilization of Metallurgical Solid Waste ...

2019-2-20  At present, a lot of metallurgical solid wastes have not been timely and effectively recycled, resulting in serious problems of environmental pollution and waste of resources. As a result, large-scale comprehensive utilization technologies have been initiated, including slag dry granulation technology, steel slag cement technology, slag wool technology, slag waste heat recovery technology, etc ...

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TECHNOECONOMIC ANALYSIS FOR UTILIZATION OF

2020-11-23  heat is transferred by the hot water (heat source) or steam or any other waste heat source for its utilization in absorption refrigeration. The water that is absorbed into concentrated solution in absorber is evaporated in this section and then recycled back after further cooling to 307 K (34 °C) by ambient temperature water source.

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CO2 Mineralization and Utilization using Steel Slag for ...

2017-12-8  where D CO2 (m 2 /s) is the diffusivity of CO 2 species which is a function of temperature 17, δ is the film thickness (m), and k CO2 is the mass transfer coefficient (m/s). According to our ...

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A novel method of utilization of hot dip galvanizing slag ...

A novel, unconventional, low cost, eco-friendly and effective shielding materials have been made utilizing the hot dip galvanizing slag using the heat waste from itself, thereby saving the natural resources and preventing the environmental pollution. SEM-EDS of shielding materials indicates that the

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Recovery, Utilization and Research of Waste Heat from the ...

To make use of waste heat of water quenching for blast furnace slag in production, this paper introduces and then analyzes some ways of waste heat recovery is used to power generation, sea water desalination and heating, in particular, indicates that the form of indirect heating of graining tower steam recycling equipment is the best most application and extension.

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Research Overview on Recovery of Waste Heat from High ...

In 2017, the total amount of liquid slag produced by the world iron and steel industry is about 913 million tons and the amount of waste heat resources contained in liquid slag is equivalent to about 38 million tons of oil equivalent. It has great value of waste heat recovery and resource utilization.

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Utilization of municipal waste incineration slag LCDRI CN

2020-10-30  Slag is the product of MSW incineration, accounting for 20% – 30% of the total weight of MSW, and fly ash accounts for about 0.5%. According to the survey, in 2019, 5932t domestic waste will be incinerated, which will produce 5.2-7.8 million tons of slag, and the amount of fly ash will be about 13 tons, which will virtually increase the ...

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FEASIBILITY OF WASTE HEAT RECOVERY FROM MOLTEN

2006-2-13  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. They greatly contributes to recovery of waste heat simply, easily and economically.

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Burner waste heat recovery and utilization

2021-7-2  3.Recovery paths. There are many ways to recover and utilize waste heat, but there are three main ways: direct utilization of waste heat, waste heat power generation, and comprehensive utilization of waste heat. 4.Economic benefits. Waste heat recovery and utilization is an important way to improve economy and save fuel.

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Preparation of Slag Wool by Integrated Waste-Heat

Preparation of Slag Wool by Integrated Waste-Heat Recovery and Resource Recycling of Molten Blast Furnace Slags: From Fundamental to Industrial Application . by Dawei Zhao, Zuotai Zhang, Xulong Tang, Lili Liu. and . Xidong Wang * Beijing Key Laboratory for Solid Waste Utilization

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Waste heat recovery: technologically and economically ...

2017-2-7  Waste heat recovery: technologically and economically viable solutions for industrial businesses A white book on industrial waste heat recovery Fives 2017. 1 ... Clinker can be partially substituted with industrial waste such as blast furnace slag, or with gypsum . from -

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CO2 Mineralization and Utilization using Steel Slag for ...

2017-12-8  where D CO2 (m 2 /s) is the diffusivity of CO 2 species which is a function of temperature 17, δ is the film thickness (m), and k CO2 is the mass transfer coefficient (m/s). According to our ...

Read More
TECHNOECONOMIC ANALYSIS FOR UTILIZATION OF

2020-11-23  heat is transferred by the hot water (heat source) or steam or any other waste heat source for its utilization in absorption refrigeration. The water that is absorbed into concentrated solution in absorber is evaporated in this section and then recycled back after further cooling to 307 K (34 °C) by ambient temperature water source.

Read More