Slag Crushing Method
Comprehensive utilisation of blast furnace slag
Compared with the internal cooling double drum method, the single drum process has a low ability to crush granulated slag, incomplete slag crushing, wide …
JP3736985B2
JP3736985B2 - Method for crushing molten slag - Google Patents Method for crushing molten slag Download PDF Info Publication number JP3736985B2 ... slag lump crushing weak strong Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...
Analysis on factors affecting moisture stability of steel slag …
Among them, Bao-steel slag adopts the roller method treatment process. The high-temperature slag is dumped into the roller device, and the steel ball in the device crushes the steel slag as the roller revolves and sprays water to cool it. ... followed by further crushing. The slag of Wisco steel slag is treated by the hot stuffy method ...
A review of waste heat recovery technologies towards molten slag …
For the slag heat recovery technologies that have been developed up to now, the procedure of slag crushing is always a necessary step. Based on the crushing mechanism, three general physical methods have been promoted: mechanical crushing method, air blast method and centrifugal granulated method. 3.1. Mechanical …
Employing 3D laser scanner for automated morphological …
This research comprehensively examined nearly 1500 aggregates from five natural sources and five types of slag. Four statistical tests named Mann-Whitney U, Kolmogorov-Smirnov, Bootstrap, and Permutation were utilized to determine the optimal sample size for scanning. ... As a result, by comprehensively assessing four crushing methods, this ...
A kind of steel slag freezing crushing method
The present invention relates to a kind of steel slag freezing crushing methods, comprising the following steps: does to the steel slag of pan feeding and sorts for the first time, obtains the first steel slag and the second steel slag；Second steel slag is subjected to first time Superfreezing, third steel slag is further broken for, third steel slag is done …
Research on the Properties of Steel Slag with …
The thermal stability of steel slag treated by the hot splashing method was relatively higher than that of steel slag treated by the other two methods. ... crushing, etc. It is a by-product of the …
Slag Atomising Technology (SAT): Strategic management of
Processing of EAF using traditional methods involves crushing and grinding. However, the new technology of atomising molten slag is an innovative process that produces high-specification products with multiple uses. ... Compared to conventional methods of EAF slag processing, SAT is more versatile, most economical and has few …
Numerical Simulation of the Slag Granulation Process in Gas …
This section describes the detailed slag crushing process based on the simulation results and then analyzes the slag crushing mechanism based on its …
CN102191343A
An aircooled crushing method comprises the following steps of: pouring the molten steel slag into the rolling crushing chamber (1); blowing normal-temperature air with an air supply device (5-1) to cool the molten steel slag; crushing big steel slag of which the surface is crusted into small steel slag with the rolling crushing device (2), and ...
Slag Atomising Technology (SAT): Strategic management of …
Processing of EAF using traditional methods involves crushing and grinding. However, the new technology of atomising molten slag is an innovative …
Study on the composition and structure characteristics and …
The results show that the turbine airflow classification method can realize both classification and separation of the CWSFS, but the disc crushing method has a poor effect on the dissociation of residual carbon in fine slag, indicating that the grinding-based crushing method is not conducive to the effective dissociation between residual carbon ...
CN111589576A
The invention relates to a steel slag crushing, grading, sorting and continuous processing device and a method, wherein the steel slag crushing, grading, sorting and continuous processing device comprises: the device comprises a feeding system (1), a hopper (2), a vertical high-speed rotary crushing system (3), an iron removal system (4), a wind …
how to crush smelter slag
iron smelter slag crushing methods - vishwaseducation.in. how to crush smelter slag . Iron Smelter Slag Crushing Methods - Iron Ore Mining We are Iron Smelter Slag Crushing Machine Manufacturer We supply all kinds of Stone Crusher and design.
Recovery of precious metals from coal burning slag by multiple crushing
The present invention, therefore, provides stage crushing method for recovering precious metals from slag produced by a coal burning furnace or boiler comprising: a plurality of crushing steps, wherein each crushing step produces slag particles having successively smaller particle diameter sizes, said crushing steps continued until a final desired …
JPH06240313A
PURPOSE:To provide a method for separating metal in molten slag containing molten metal and solid metal as a cooling and crushing treatment for steelmaking slag and this pre-treatment. CONSTITUTION:In the case of discharging the molten slag 3 into two sets of slag receiving vessels 4a, 4b from a discharging slag ladle 2 incorporating the molten …
Demetallized slag for abrasives and/or roofing granules and related methods
Some methods for making a granular material comprise crushing demetallized slag particles with one or more crushers and screening the crushed demetallized slag particles with one or more screens to separate the demetallized slag particles into two or more fractions, the granular material comprising at least one of the …
Review on the innovative uses of steel slag for waste minimization
Steel slag-based cement clinker production is done by crushing and screening steel slag and is fed along with the lime at the feed end of the kiln . ... Tuovinen F (1989) Method for utilizing slag from ferroalloy production. US 4818290 A. Sarkar R, Singh N, Das Kumar S (2010) Utilization of steel melting electric arc furnace slag for ...
CN102191343B
An aircooled crushing method comprises the following steps of: pouring the molten steel slag into the rolling crushing chamber (1); blowing normal-temperature air with an air supply device (5-1) to cool the molten steel slag; crushing big steel slag of which the surface is crusted into small steel slag with the rolling crushing device (2), and ...
What is a Slag Crusher Machine and How Does it …
Slag Crusher Machines play a critical role in the steel recycling process by crushing and processing slag, a byproduct of steel production. These machines help to reduce waste and environmental …
CN112934422A
The invention provides a high-efficiency water-cooling crushing device and a high-efficiency water-cooling crushing method for molten steel slag by using a rotating roller, wherein a slag dumping machine is arranged above the top of a closed cover of a water-cooling crushing bed, the closed cover is provided with a slag dumping port, a water …
Extensive Code Testing
Crushed slag. A nonstandard term when used for recycled slag; Reconditioned flux. Submerged arc welding. or recycled flux that has been processed for use or reuse. The processing may include screening for particle sizing, removal of magnetic particles and baking to remove moisture. Recrushed slag. A nonstandard term when used for ...
Cost of Waste Disposal
COST REDUCTION: (WASTE DISPOSAL) Another way your company will reduce cost with a slag/flux reprocessing program is by eliminating all cost associated with discarding the hardened slag waste that is produced at your facility. Some of these associate costs are listed below. Fees charged for transportation of the waste material to the disposal site. …
Processing method for crushing slag
The invention discloses a processing method for crushing slag, comprising the following steps: conducting multi-level crushing, carrying out magnetic separation and grinding. The invention solves the problem that slag is hard to process and provides a reasonable preparation method for slag micro powder. In the method, after the slag is crushed for …
Copper Slag Beneficiation Process & Equipment
Therefore, the current beneficiation method for copper slag mainly includes flotation, but sometimes magnetic separation and gravity separation are also used. ① Flotation Method. This method is widely used in the field of mineral processing. The flotation method has the characteristics of low energy consumption and a high copper …
Recent progress of efficient utilization of titanium-bearing …
Titanium-bearing blast furnace slag (BFS) has valuable compositions and potential environmental hazardousness. Thus, developing efficient and green approaches to utilize BFS is highly desired for resource economization and environmental protection. In the past decades, many attempts have been adopted to reuse BFS efficiently, and …
Steel slag crushing, classifying and sorting continuous …
A processing device and technology for steel slag, applied in the direction of solid separation, etc., can solve the problems of inability to realize continuous production and operation of steel slag crushing and sorting, high grinding difficulty, and high grinding energy consumption, so as to change the multi-link processing method and production …
Recent research progress on recycling metallurgical waste slag …
Lastly, the electric field strengthening method makes full use of the high-temperature slag residual heat, avoiding the traditional melting → cooling → crushing → reheating process, thus greatly improving the energy utilization efficiency. Overall, the technology shows great potential for energy conservation and emission reduction.
Energy and exergy analysis of waste heat recovery from
In this study, the energy and exergy of the organic Rankine cycle driven by steel slag waste heat and solar energy were analyzed for various system configurations. In the system design, the technology of crushing waste heat pressurized hot smothering technology of steel slag rolls was considered. Subsequently, a regenerator was …
Breaking boundaries in slag waste heat recovery: Review and …
As the largest output of solid waste in the ISI, the production of blast furnace slag (BFS) by the blast furnace method exceeded 1.279 billion tons with extremely high temperature …
Additional AWS Info
The objective of this testing was to classify the recycled slag as an F7 A2-EM12 K, which means the testing of the coupon welded with the recycled slag will produce weld metal with an aswelded tensile strength no lower …