Thermal energy recovery from high-temperature blast furnace slag ...
In response to the above-mentioned problems, a technique for recovering thermal energy from high-temperature slag particles has been exploited, which is similar to the drying cooling device for sintered ore [17]. Fig. 1 shows a schematic of the system used to recover the thermal energy from high-temperature slag particles. The high …
3D-printed interdigital electrodes for electrochemical energy storage ...
Interdigital electrochemical energy storage (EES) device features small size, high integration, and efficient ion transport, which is an ideal candidate for powering integrated microelectronic systems. However, traditional manufacturing techniques have limited capability in fabricating the microdevices with complex microstructure. Three …
Hai-Feng Wang, Yuan-Hong Qi and Ding-Liu Yan Process and …
dry granulation technology to treat the BF slag is very important. The application of BF slag depends on the content of amorphous solids in the slag after treatment. The …
Biopolymer-based hydrogel electrolytes for advanced energy storage ...
2.1. Properties of biopolymers and biopolymer-based hydrogels2.1.1. Chitosan (CS) and chitin-based hydrogels. Chitin is a native polysaccharide isolated from the exoskeleton of crustaceans, and chitosan is the deacetylated chitin with more than 50% building blocks containing primary amine groups [29].The molecular formula of chitosan is …
New Thermal Energy Storage Materials From Industrial Wastes: …
Thermal energy storage technology is a promising option for implementing thermal management in advanced chemical processes, and phase …
Industrial status, technological progress, challenges, and …
The main hydrogen production processes from methane and their advantages and disadvantages are shown in Table 1.SRM is a process involving the catalytic conversion of methane and steam to hydrogen and carbon oxides by using Ni/Al 2 O 3 catalyst at high temperatures of 750–920 °C and a high pressure of 3.5 MPa [2].The …
A comprehensive review of stationary energy storage devices for large scale renewable energy …
Next to conventional batteries, flow batteries are another type of electrochemical energy storage devices playing a role in stationary energy storage applications [18, 19]. Polysulphide bromine (PSB), Vanadium redox (VRFB), and Zinc bromine (Zn Br) redox flow batteries are among the types of flow batteries [ [17], [18], …
Heat Transfer in Fluidized Beds in a Dry Slag Granulation Unit
The world''s leading countries develop dry slag granulation units that are capable of producing solid slag granules and recovering the sensible heat of slag. The main element of such units is a granulation chamber where molten slag is atomized and solidified. In this chamber, up to 30% of the sensible heat of the molten slag is extracted. To …
Applications of biomass-derived materials for energy production, conversion, and storage …
Biomass-derived materials such as biochar, bio-oil, and syngas can be utilised for a number of applications apart from energy production, conversion, and storage technologies. These materials can be used to remove toxic pollutants, such as heavy metals from soil and water, thereby, aiding in remediation of polluted sites.
Dry Slag Granulation: A Path to Improving the Safety and Sustainability of the Metallurgical Sector …
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.
State of the art on high temperature thermal energy storage for …
The advantages of the two tanks solar systems are: cold and heat storage materials are stored separately; low-risk approach; possibility to raise the solar field output temperature to 450/500 C (in trough plants), thereby increasing the Rankine cycle efficiency of the power block steam turbine to the 40% range (conventional plants have a lower …
Combined steam/dry reforming of bio-oil for H2/CO syngas production with blast furnace slag …
Combined steam/dry reforming of bio-oil with blast furnace slag as heat carrier for the syngas production with the H2/CO ratio of 3:1 for further methanation, was investigated. The ...
Process and Equipment Design for the Dry Slag Granulation …
research on the activation energy of crystallization of amorphous solids in BF slag is the foundation to find out the reasonable cooling speed during dry granulation of molten slag. So it is of theoretical and practical significance to be analyzed. The activation energy of crystallization of amorphous solids in BF slag (E) was 108.90
Thermal energy recovery from high-temperature blast furnace slag particles …
During heat transfer between slag particles and water in the boiler tube, the thermal energy passes from high-temperature regions to low-temperature regions. Hence, the dimensionless constant associated with Ts,in can be expressed as follows: (9) C t = T s, in + 273 T w, in + 273 − 1.
Advanced Nanocellulose‐Based Composites for Flexible Functional Energy ...
[97, 98] Furthermore, unconventional architectures can be tailored by 1D nanocellulose-based composites to suit different energy storage devices for special applications. Typically, based on the dip-coating and twisting techniques, flexible yarn supercapacitors were fabricated using a carbon nanotube (CNT)@BC membrane as a structural matrix. [ …
Numerical Simulation of Internal Flow Field in Blast Furnace Slag Dry Granulating Device …
To solve these problems, we studied the dry granulation of molten slag by Rotary Cup Atomizer (RCA), in which the influence of the rotating speed of the RCA on slag drop size was mainly examined.
RECENT DEVELOPMENTS IN DRY SLAG GRANULATION: A …
Here we review common slag handling practices, the developments in dry slag granulation over the last three decades, introduce the Ecomaister-Hatch dry slag …
Numerical simulation of liquid slag flow in liquid slag storage device from energy …
Peer-review under responsibility of the scientific committee of ICAE2018 – The 10th International Conference on Applied Energy. 1876-6102 Available online at
Operation effect evaluation of grid side energy storage power station ...
The Zhenjiang power grid side energy storage station uses lithium iron phosphate batteries as energy storage media, which have the advantages of strong safety and reliability, high energy density, fast charging and discharging rate, and long service life; Using SVG (static reactive power generator) to replace traditional reactive power …
Process Concept for the Dry Recovery of Thermal Energy of …
The general concept behind the process is the dry recovery of thermal energy of metallurgical slags via indirect cooling and energy capture with water or …
Combined steam/dry reforming of bio-oil for H2/CO syngas production with blast furnace slag …
Combined steam/dry reforming of bio-oil with blast furnace slag as heat carrier for the syngas production with the H 2 /CO ratio of 3:1 for further methanation, was investigated.The increase of H 2 O addition can increase the total yield of H 2 and CO, but also increase the critical temperature at which 3:1-H 2 /CO syngas was obtained, while …
Dry slag extractor-power plant equipment
The model of dry-type slag extractor is selected according to the amount of slag discharged from the boiler, the size space of furnace bottom in the boiler room and the way of slag storage and transportation. The electric control system and hydraulic system are determined by the design form of the whole slag removal system. 5.
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.
Operation effect evaluation of grid side energy storage power station …
1. Introduction Due to their advantages of fast response, precise power control, and bidirectional regulation, energy storage systems play an important role in power system frequency regulation (Liu et al., 2019), voltage regulation (Shao et al., 2023, Zhou and Ma, 2022), peak shaving (Li et al., 2019, Dunn et al., 2011, Meng et al., 2023a), …
RECENT DEVELOPMENTS IN DRY SLAG GRANULATION: …
reduced to acceptable levels for storage, landfill, or slag sale. Wet granulation addresses some of the challenges of slag dumping, such as molten slag hauling and production of higher value by ...
Energy Storage Devices (Supercapacitors and Batteries)
Extensive research has been performed to increase the capacitance and cyclic performance. Among various types of batteries, the commercialized batteries are lithium-ion batteries, sodium-sulfur batteries, lead-acid batteries, flow batteries and supercapacitors. As we will be dealing with hybrid conducting polymer applicable for the …
Phase change material-based thermal energy storage
A tradeoff exists between the energy density (latent heat) and power density (thermal conductivity) for optimal PCM design. Figure 3 A shows the transient boundary heat flux (q″ = f(t)) absorbed by solid-liquid phase change as a function of time (t) when the left boundary superheat reaches 10 K for various boundary conditions …
The characteristics of syngas production from bio-oil dry reforming utilizing the waste heat of granulated blast furnace slag …
The bio-oil conversion and LHV utilizing different heat carriers via bio-oil dry reforming with a temperature of 800 C, a CO 2 /C of 0.85 and an LHSV of 0.45 h −1 are shown in Table 3. These results showed that granulated BFS could promote bio-oil conversion and LHV, which implied that granulated BFS had a certain catalytic …
Study on cooling down law and temperature control method of …
To solve the bottleneck of mismatch between intermittent slagging and waste heat continuous recovery, this paper discussed the liquid slag storage and …
Device for reinforcing heat transfer of dry slag extractor of power station …
The invention discloses a device for reinforcing heat transfer of a dry slag extractor of a power station boiler. The device comprises a slag turning unit and a support which is connected with the slag turning unit. The slag turning unit is …
Energies | Free Full-Text | Overview of Hybrid Energy Storage …
This article reviews the most popular energy storage technologies and hybrid energy storage systems. With the dynamic development of the sector of renewable energy sources, it has become necessary to design and implement solutions that enable the maximum use of the energy obtained; for this purpose, an energy storage device is …
Thermal energy storage
Thermal energy storage ( TES) is the storage of thermal energy for later reuse. Employing widely different technologies, it allows surplus thermal energy to be stored for hours, days, or months. Scale both of storage and use vary from small to large – from individual processes to district, town, or region.
