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Case: Slag pot / slag ladle made by CHAENG (Great Wall Steel Casting Co.,Ltd) has good property. On July 18, 2008, the Great Wall steel casting signed the first contract of slag pot, under the situation of financial crisis and shrinking market, on the same year on December 12 we signed 13 pcs of slag pot with South Korea''s posco, since 2008 we have signed the contract of more than 50 types of ...
Steel Ladle Refractory Solutions. HarbisonWalker International is one of the largest domestic manufacturers of steel ladle refractories. Our steel ladle refractory solutions are customized based on shopspecific conditions to optimize refractory performance and improve safety, refractory life and yield.
Slag removal. Keeping furnace slags on the molten steel too long can result in a reversion of elements such as phosphorus back into the steel. To avoid this, slag can be removed at slagskimming stations, where the ladle is tilted forward and a rake scrapes the slag into a slag pot parked beneath the ladle.
Ladle furnace slag is produced through the addition of lime (CaO), and dolomitic limestone () in the electric furnace. The resulting byproduct, ladle furnace slag, contains high concentrations of calcium oxide. Due to high CaO concentrations the material can be used in the production process of cement, as a limestone replacement.
A ladle furnace (LF) also known as a transfer ladle utilizes the roof and most like a typical EAF utilizing an 8 to 25 megavolt ampere transformer, three electrodes for arc heating with the ladle acting as the furnace shell. Ladle furnaces are utilized to relieve the primary melter of secondary refining. This process creates a layer of slag ...
504 slag ladle products are offered for sale by suppliers on, of which utensils accounts for 1%. A wide variety of slag ladle options are available to you, such as stainless steel. You can also choose from stocked slag ladle, as well as from ce / eu, ciq slag ladle, and whether slag ladle is metal.
While most of the furnace slag is recycled for use as an aggregate, excess steel slag from other operations (raker, ladle, clean out, or pit slag) is usually sent to landfills for disposal. MARKET SOURCES. Steel slag can normally be obtained from slag processors who collect the slag .
Blast Furnace Slag has been used in Canada as a road and plant base material since the early 1900''s. Steel Slag was originally used in the 1970''s and and consisted of premium surface course HMA. There was extensive use in 1980''s and by the 1990''s there was in excess of 488,000 tonnes consumed in a variety of applications.
refractory materials Common types of ladle refractories: (1) Clay refractory brick, clay brick A12O3 content is generally between 30% 50%, the price is low. Mainly used for ladle permanent layer and ladle bottom. (2) high alumina brick. Brick A12...
At the base of the furnace are two exits. The slightly higher located one is to extract the waste product, the slag. This flows into a slag ladle for further transport. Slag is often used for driveways. The lower located exit is used for the molten iron which flows to the torpedo wagon. It is then transported to an iron mill for further processing.
In order to make a complete characterization of ladle furnace slag (LF slag, LFS), as nonhazardous industrial waste, and to solve its permanent disposal and/or recovery, bearing in mind both the ...
Jun 06, 2014· The blast furnace (BF) cast house is the working area where hot metal and liquid slag are tapped from the blast furnace and either poured into ladles (torpedo car or open top ladle) or led off for solidification (pig casting and slag granulation) or treatment (cast house desulphurization).
Dec 01, 2019· Hello everyone. BLAST FURNACE The blast furnace is a countercurrent gas/solids reactor in which the descending column of burden materials [coke, iron ore and fluxes/additives] reacts with the ascending hot gases. The process is continuous with ra...
Ladle furnace basic slag (ladle slag, LS) is a byproduct of the steel refining process. There is a great amount of LS generated worldwide every year and the current solution is simply landfilling ...
blast furnace, Hot metal, hot metal runner, ladle, lime milk, PCM, Pig iron, skimmer, slag, Torpedo ladle, Handling of Hot Metal in Blast Furnace Iron Making Hot metal (HM) is produced by the reduction of descending ore burden by the ascending reducing gases in a blast furnace (BF). It is liquid in nature and gets collected in the hearth of the BF.
The slag can also be used to create fibers used as an insulation material called slag wool. Basic slag. Basic slag is a coproduct of steelmaking, and is typically produced either through the blast furnace oxygen converter route or the electric arc furnace ladle furnace route.
Blast furnace slag is recovered by melting separation from blast furnaces that produce molten pig iron. It consists of nonferrous components contained in the iron ore together with limestone as an auxiliary materials and ash from coke. Approximately 290 kg of slag is generated for each ton of pig iron.
Jan 15, 2016· Molten steel is transferred from the blast furnace to specific locations using "torpedo" cars which typically hold about 300 tonnes of liquid steel. A ladle is then placed underneath, the torpedo ...
Furnace vessel shell distortion and destruction during a long campaign must be overcome with use of improved alloys. Slag entrainment or carryover from furnace to ladle, a key to clean steel, should be controlled using electromagnetic sensors, IR camera systems and other currently available techniques.
Current Refractory Technology and Practices in the Steel Industry April 26, 2017 ... Slag Runner, Tilter Blast Furnace Ancillary Equipment> Stoves, Bustle Pipe, Tuyeres. United States Steel Corporation 6 Ironmaking Refractory Technology ... ladle shrouds Ladle Well Block Ladle Inner Well Nozzle Ladle Gate Mechanism Ladle Shroud 0 2 4 6 8 10 12 ...
A promising type of steel slag for applications is the ladle furnace (LF) slag, which is also known as the basic slag, the reducing slag, the white slag, and the secondary refining slag. The LF slag is a byproduct from further refining molten steel after coming out of a basic oxygen furnace (BOF) or an electric arc furnace (EAF). The use of the LF slag in further applications requires ...
The blast furnace (BF) iron slag, also known as a ground granulated blast furnace slag (GGBFS), the electric arc furnace carbon or stainless steel slag (EAFC/S), and the ladle furnace basic slag (LS), also called the white slag, have been regarded as precursors which exhibit good mechanical properties following alkali activation and can be ...
The variation in composition and properties of blast furnace slags are largely determined by the gangue in the ore and ash in the coke and much progress has been made in the reuse of such slag. With respect to steelmaking slag, emphasis has in recent years been placed on hot metal treatment before refining and ladle treatment after ...
Once the temperature and chemistry are correct, the steel is tapped out into a preheated ladle by tilting the furnace. For plaincarbon steel furnaces, as soon as slag is detected during tapping, the furnace is rapidly tilted back towards the deslagging side, minimizing slag carryover into the ladle.
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