• A Method for Steel Ladle Lining Optimization Applying ...

    A steel ladle of voestalpine was the object used for lining concept optimization. Figure 1a depicts the simplified two-dimensional model representing a Fig. 1. (a) Two-dimensional model of the reference steel ladle case; (b) two-dimensional model of the steel ladle for the lining concept optimization study.

  • Ladle Furnace Refractory Lining: A review

    linings in these ladles are subjected to a severe operating environment and therefore need some preparation for continuous, trouble-free ladle operation. In this paper, the effect of various refractory combinations on the ladle system is reviewed. Keywords: Heat loss, Ladle Furnace, Refractory Lining, Optimization, Steel manufacturing. 1 ...

  • Customer Service - MROClik

    A steel ladle is a container for transferring molten steel tapped from the converter or the electric arc furnaces up to the casting shop, reserving the steel during casting and occasionally during secondary refining of the steel. The refractory lining must meet the specific requirements according to the steel grades produced, and the ...

  • US3540713A - Steel making ladle construction - Google Patents

    US3540713A US3540713DA US3540713A US 3540713 A US3540713 A US 3540713A US 3540713D A US3540713D A US 3540713DA US 3540713 A US3540713 A US 3540713A Authority US United States Prior art keywords metal lining ladle shell construction Prior art date 1969-02-24 Legal status (The legal status is an assumption and is not a legal conclusion.

  • Corrosion Mechanism of A Density-Reduced Steel Ladle ...

    A postmortem investigation was conducted on a newly developed dry-gunning mix that was installed in a steel ladle wall on top of a slag penetrated castable and that achieved a service life of 31 heats versus only 18 heats for the reference mix that contained dense alumina and spinel aggregates.

  • Ladle Repair Mix For Steel Ladle

    Steel Ladle Monolithic Ladle. We offer ULC castables on basis Al2O3 or MgO- Al2O3 and ZrSiO4 for monolithic wear lining of steel ladle and bottom of steel ladle as well gunning repair mass on MgO basis what show a significant reduction of the refractory material consumption rate and environmentally friendly due to less waste material.

  • Comprehensive CFD simulation of the ladle cycle toward ...

    The objective of this study is to optimize ladle cycle to enhance the lining service life. This optimization would be achieved by a better understanding of the lining thermal conditions during the varies stages of the ladle cycle by a mathematical simulation of the process. A 2D axisymmetric mathematical model was developed to predict the ladle lining and steel shell temperature during the ...

  • Horizontal Ladle Repair Machines

    The “Monocator-Mobile” offers radio controlled ladle lining repair to all areas in the ladle and is capable of hot lining maintenance. It considerably increase the life of the base Refractories and consists of the following components; “Monocator-Mobile” machine, Material Feed System, Control system, Water System and Radio Control Joystick.

  • Comprehensive CFD simulation of the ladle cycle toward ...

    Comprehensive CFD simulation of the ladle cycle toward lining service life optimization To cite this article: Mansour Al-Harbi et al 2012 IOP Conf. Ser.: Mater. Sci. Eng. 33 012022 View the article online for updates and enhancements. Related content Thermo-mechanical modeling of dendrite deformation in continuous casting of steel

  • Gunning robots improve repairs - VELCO

    The hot gunning repair of aggregates – converter, ladle, EAF, RH-snorkels and so on – is a cost-saving alternative to shutting down and renewing the complete lining. It also increases the service life of a furnace, leading to savings of reheating energy. Quick repair also reduces the number of circulating aggregates, says Christian Wolf*

  • Innovation in Steel Ladle Life to 157 Heats at Rourkela ...

    bottom of steel ladles are shown in Table 1. D. Metal Zone The refractory lining in this zone, i.e. from the bottom to the metal level was felt to be important to improve the ladle lining life because the total ladle life depends on the performance of this zone. Work was carried out on the quality of MgO-C bricks by conducting various trials and

  • Corrosion Mechanism of A Density-Reduced Steel Ladle ...

    Refractory monolithics for steel ladle linings are typically products with low porosities and high bulk densities. They achieve high temperature, penetration, and corrosion resistance. Despite the high density of these products, which is due to the low porosity of the aggregates, their matrices still exhibit a high amount of pores. Since calcium magnesium aluminate (CMA) has already proven its ...

  • STEEL TEEMING LADLE: Ladle Metallurgical Treatment ...

    Teeming ladleTeeming ladle Lining concepts Wear mechanism Lab investigation DiDrying- andh tid heating Laser- vs. Thermo vision Scan Purging „Problem areas“ and Check list 2 | 24 to 27. April 2016, Cologne, Refractory Technology Part II, Steel Teeming Ladle,· A. Viert auer/ RHI-AG, H. Schröter/ HKM Stahl-Zentrum Outlook and Summary

  • A Method for Steel Ladle Lining Optimization Applying ...

    A steel ladle of voestalpine was the object used for lining concept optimization. Figure 1 a depicts the simplified two-dimensional model representing a horizontal cut through the slag-line position in the upper part of the steel ladle. The model consists of a two half-brick working lining, a monolithic permanent lining, a fiber board, and a ...

  • Steel ladle linings - Weaver Materiel | Foundry Supplies

    It is a durable lining system that can be applied in ladles of virtually any size. The life and performance of KALTEK ISO powders can be further enhanced by the application of KALTEK ISOpatch repair material. Slag and oxide build up can be rapidly and easily removed, prolonging the life of the ladle lining and improving melt cleanliness.

  • Steel Teeming Ladle and its Refractory Lining – IspatGuru

    Nov 08, 2014· Steel Teeming Ladle and its Refractory Lining. satyendra; November 8, 2014; 5 Comments ; porous plug, refractories, rinsing, Secondary refining, Slide gate, Steel teeming ladle,; Steel Teeming Ladle and its Refractory Lining. Steel teeming ladle (STL) is needed in a steel plant to contain and transport liquid steel from the steel making furnace to the casting facility.

  • Ladle - an overview | ScienceDirect Topics

    Feb 05, 2012· Ladles equipped with a nozzle in the base are common for the production of large steel castings. Pouring from the base is sometimes known as ‘teeming’. The benefits are generally described to be: 1. for large castings the tipping of a ladle to effect a lip pour becomes impractical, so that the bottom-teemed ladle is the only practical option;

  • A new approach for steel ladle performance optimization ...

    This has led to many benefits such as conservation of energy, improved ladle lining life and optimization of fleet size etc. Discover the world's research 17+ million members

  • Measures to extend the life of the ladle refractory material

    Sep 27, 2016· Uneven ladle refractory lining is damaged, it is necessary to take repair, gunning and other measures to shore up weak links, to improve job ladle refractory consumption rate …

  • STEEL TEEMING LADLE: Ladle Metallurgical Treatment ...

    Metallurgical Tasks Adjustment of the needed chemical composition and steel temperatureAdjustment of the needed chemical composition and steel temperature Deoxidation and removal of non metallic inclusions (NMI) Desulphurization de [S] Degassing de [H] de [[]N] Decarburization de [C] „Clean Steel“ 9 | 24 to 27. April 2016, Cologne, Refractory Technology Part II, Steel Teeming Ladle,· A ...

  • EAF Gunning Mixes – Ossola Industrials, Inc.

    Electric Arc Furnace Gunning Mix Chart The use of refractory gunning material increases productivity and performance, due to: Balanced wear Lower brick consumption Extended refractory life Increased productivity Lower rebound loss by using special binding systems

  • Development of Refractory Materials for Ladle Lining - RS ...

    Development of refractory materials for ladle lining. According to a steel mill, they have 3 types of the ladle. In the order of commissioning, they are 120 t ladle, 150 t ladle, and new 150 t ladle, of which the new 150 t ladle is modified from the original 40 t ladle.

  • Novel Fluxing Agent for Slags in Secondary Steel Ladles to ...

    One of the most corroded zones in the secondary steel ladle is the contact area between the metallurgical slag and the refractory lining. The slag zone, even with specially designed Magnesia-Carbon and Doloma-Carbon bricks, is in many cases the life time limiting factor for the whole steel ladle.

  • Technical Review UDC 666 . 763 / . 767 - Nippon Steel

    service life of the inner lining of ladles and reaction vessels, stabi-lize steel production, reduce costs, and improve product quality, it is necessary to adequately select the most suitable refractory according to the use condition. In steelmaking processes, the characteristics of molten metal, slag chemistry, atmosphere, and temperature are

  • Batching , Material Handling

    The hot gunning repair of aggregates (con­verter, ladle, EAF, RH­snorkels, etc.) is a cost saving alternative to the shut­down and re­newal of the complete lining. This process increases the service life of a furnace con­siderably, and it further results in savings of re­heating energy.

  • The Overview of the Refractory Technology from the Mini ...

    Float on top of the steel because of specific gravity lower than that of molten steel Primarily liquid at steel making temperatures Play an essential role in the steel making process 2C + O 2 2CO 2Fe + O 2 2FeO 4Al + 3O 2 2Al 2 O 3 Si + O 2 SiO 2 4P + 5O 2 2P 2 O 5 2Mn + O 2 2MnO Slags

  • Ladle / Converter – Sharadaa Ceramics

    Iron / Steel Industries. Precast Lances and Darts; Precast Prefired Refractory Shapes – Classic Range; Precast Prefired Refractory Shapes – Standard Range; Steel Ladle Slag Resistance Castable; Tap Hole Clay and Trough Mass; Rolling Mill Blocks / Bricks; Gunning Mix & Basic Spray Mix; Cement / DRI Sponge Iron. High Alumina Wear Resistance ...

  • A Method for Steel Ladle Lining Optimization Applying ...

    The present paper introduces the Taguchi method combining finite element (FE) modeling for the lining optimization of a steel ladle from thermal and ther- momechanical viewpoints. An orthogonal array was applied to design lining configurations for FE simulations.

  • A Method for Steel Ladle Lining Optimization Applying ...

    Aug 09, 2018· A steel ladle of voestalpine was the object used for lining concept optimization. Figure 1 a depicts the simplified two-dimensional model representing a horizontal cut through the slag-line position in the upper part of the steel ladle.

  • in steel industry - Sevenrefractories

    the service life of the ladles. closing rim ramming mix or patching castable 1 slag working lining mgo-c bricks or self-flowing castable 2 working lining vibration castable 3 sidewall safety lining reinforced-vibrating castable 4 permanent safety lining alumina bricks or self-flowing castable 5 shell protection high insulating material 6 bottom ...

  • China long-life ladle layer Manufacturers and Suppliers ...

    Fire Ladle Anchor Refractory Low Creep Lining Used Fireproof High Alumina Brick Ladle Safety Lining Castable also called Ladle Permanent Lining Castable is made from high quality bauxite and mullite, it can be easily installed by self flow, the cold crushing strength at 1650℃ can reach 150Mpa, and the permanent liner change is less than -0,3%.

  • Calculating The Lining Of Steel Ladles

    Ladle Safety. It is well known that refractory linings in steel mill ladles have limited lives, and useful life may be shortened even more due to breakage of refractory bricks from mechanical shock. As the lining wears or develops breaks, the outer part of a transport ladle can …