ladle refining and slag conditioning

Steel Refining in a Ladle Furnace Thermo Calc

About Steel Refining in a Ladle Furnace After steelmaking, which is mostly performed in a basic oxygen furnace BOF or electric arc furnace EAF, steel is usually tapped into a ladle where certain additions are made deoxidation agents, slag formers, certain alloying elements and then transferred to the ladle

US5397379A Process and additive for the ladle refining

A process of refining steel in a ladle using solid granules or briquettes made from recycled LMF slag and raw materials to make a desulfurizing addition, a slag conditioner or synthetic refining slag is described The preferred recycled LMF slag

Slag Conditioner Sefco

Slag conditioner is a powder mixture containing metallic aluminium added into the ladle on completion of tapping Top or Bottom purging with argon is recommended to assist mixing It is designed to reduce the FeO and MnO contained in the carryover slag from the EAF thereby upgrading slag composition to refining level and also to enhance slag

Slag corrosion of MgOC refractories during secondary

Laboratory experiments have shown that the time during which the ladle lining is exposed to a liquid slag with high stirring and slag composition are two important parameters which have large effect on the

Slag Conditioner, Synthetic Slag Manufacturers Suppliers

The synthetic slag conditioner has better slag flow ability +91 33 40442580 The mixing of the Slag has a very major impact on the efficiency of the refining process of steel and smelting One thing to be cautious about is that when theres an abundance of Ca F2 in the Slag Conditioners, the slag will affect the ladle

slag crusher components

LADLE REFINING AND SLAG CONDITIONING and ladle slags, ladle refining, and slag conditioning However, the principles are presented in Where do these components come from? CaO Lime 98 CaO Read More MGA Machinery In a few areas as a result of ore containing titanium and vanadium slag also contain these components slightly Slag

Bansal Alloys Metals Pvt Ltd :: Excellence in Steel

Bansal Alloys Metals specializes in vacuum degassing systems for the effective removal of hydrogen, oxygen and / or carbon, based on proven technology and experience Our tank type ladle degassers achieve low sulfur levels, remove carbon, and improve floatation of oxide inclusions, allowing them to be entrained in the slag

Use of Calcium Carbide and Alumina based Slag Conditioner

Carryover slag from Electric Arc Furnace EAF have detrimental effect on desulphurisation rate during secondary refining of steel at Ladle Furnace LF as it has high amount of iron oxide FeO

Ladle Refining And Slag Conditioning villamartinapalinuro it

ladle furnace slag recycling bio7 biogas be The present invention relates to a reduced slag ball pre melt flux and to a method for manufacturing same, wherein a reduced slag ball pre melt flux is manufactured for recycling ladle furnace reduced slag LF slag, which is a waste product generated from the secondary refining process of a steel mill, by reducing the components of phosphorus P

Refining Slag Cheap RS Refractory For Sale Supplier

Refined Slag Application Put the refining slag into the ladle before tapping, because the molten steel flows into the ladle from the upper layer, it is the vigorous stirring between the molten steel and the refining slag, and the refining slag

Desulphurization in Ladle Furnace Thermo Calc Software

Finally, we look at two ways of recovering the desulphurizing ability of the ladle slag conditioning the slag with deoxidizing agents and reducing the melting point with fluxing agents to find the optimum slag composition where the slag is at the same time liquid and the S content in the steel is low Steel Refining in a Ladle

Modeling of Ladle Refining Process Considering Mixing and

Apr 14, 2020 The operational data and corresponding measurements of the ladle refining process were reported by Graham and Irons 4 The initial chemical compositions of the steel and slag are shown in Table 2 and 3 4, 5, 7 Figure 4 shows the operational schedule and temperature of the LF refining

PDF A New Method for Determining Chemical Composition of

A ladle furnace operations strongly depend on refining ability of slag The final result of ladle furnace operations also depends on liquid steel initial composition, alloys addition and refining

An Overview of Use of Linz Donawitz LD Steel Slag in

It can be categorized as carbon steel slag and stainless steel slag according to the type of steel, and as pretreatment slag, Linz Donawitz LD converter slag, electrical arc furnace slag EAFS, ladle refining slag

WO1991015604A1 Compositions and methods for synthesizing

This invention relates to the refining of steel external to a primary steelmaking vessel, for example in the ladle More particularly, it is: A a method of synthesizing a slag on the steel that i mitigates the detrimental effects of existing natural slag

Ladle an overview ScienceDirect Topics

Feb 05, 2012 Slag is tapped from the furnace in quantities equal to or greater than the metal produced and therefore presents a material handling problem of a similar nature and size to that of the metal The simplest method of slag disposal is to empty the ladle into a slag pit, where the slag

Slag conditioning effects on MgOC refractory corrosion

Sep 01, 2013 Thus, based on these results, one good alternative for the refractory producers should be: 1 the use of a raw material of lower cost i e , MgO type M, Table 2, presenting higher CaO and SiO 2 content as impurity in the MgOC compositions, combined with 2 the slag conditioning practices in the ladle refining process in order to reduce

Ladle refining

May 31, 2012 Alloying elements and/or slag components may be added through the addition hopper If deep desulfurization is required active desulfurizing agents are injected into the melt through the injection lance or in form of cored wire Besides refining operations Ladle Furnace LF may serve as a buffer station before Continuous casting

Steel Refining in a Ladle Furnace Thermo Calc

About Steel Refining in a Ladle Furnace After steelmaking, which is mostly performed in a basic oxygen furnace BOF or electric arc furnace EAF, steel is usually tapped into a ladle where certain additions are made deoxidation agents, slag formers, certain alloying elements and then transferred to the ladle

Improvement of the desulphurisation process by slag

The extra slag practice involves the addition of lime during tapping so as to aid the removal of all the slag before ladle refining and thus optimisation of the new synthetic slag for precise sulphur removal

Ladle Refining Synthetic Slag Without Fluoride

Ladle Refining Slag, Ladle Refining Slag Suppliers offers 155 ladle refining slag products About 36 of these are refractory, 1 are other non metallic minerals products A wide variety of ladle refining slag options are available to you, such as powder, brick, and block REFINING OF STEEL BY USING SYNTHETIC SLAG

Slag formation during the steel refining process in a

Process Control, Hybrid Model, Steel Refining Slag 1 Introduction Nowadays, steel refining processes carried out in the ladle constitute a very important stage in the technological production line These processes are highly varied and can be divided into two major groups: Steel refining

Bansal Alloys Metals Pvt Ltd :: Excellence in Steel

Bansal Alloys Metals specializes in vacuum degassing systems for the effective removal of hydrogen, oxygen and / or carbon, based on proven technology and experience Our tank type ladle degassers achieve low sulfur levels, remove carbon, and improve floatation of oxide inclusions, allowing them to be entrained in the slag

Slag Conditioner Harsco Environmental

This ladle refining treatment helps create a steel product with low inclusion levels and, within specification, to maximize castability, productivity and product quality Our Synthetic Slags are produced with an engineered balance of premelted fluxes to increase the lime/slag melting rate and control the final slag

Slag formation during the steel refining process in a

Process Control, Hybrid Model, Steel Refining Slag 1 Introduction Nowadays, steel refining processes carried out in the ladle constitute a very important stage in the technological production line These processes are highly varied and can be divided into two major groups: Steel refining processes running under the atmospheric pressure

Influence of refining process and utilization of different

Jun 25, 2020 Ti stabilized 321 stainless steel was prepared using an electric arc furnace, argon oxygen decarburization AOD furnace, ladle furnace LF, and continuous casting processes In addition, the effect of refining

Secondary Refining

Secondary Refining For purposes of this article, Secondary Refining or Secondary Metallurgy is defined as any post steelmaking process performed at a separate station prior to casting and hot metal desulfurizaion It does not include normal alloying prac tice in the furnace or at the ladle

Steelmaking Opta Group LLC

Making steel from iron is the secondary refining process, also known as secondary metallurgy Granular Lime or custom blended products to achieve your deoxidizing, desulfurizing, or slag conditioning needs Insulating Ladle

Slag corrosion of MgOC refractories during secondary

Laboratory experiments have shown that the time during which the ladle lining is exposed to a liquid slag with high stirring and slag composition are two important parameters which have large effect on the

Steelmaking Opta Group LLC

Making steel from iron is the secondary refining process, also known as secondary metallurgy Granular Lime or custom blended products to achieve your deoxidizing, desulfurizing, or slag conditioning needs Insulating Ladle

Slag Conditioner Harsco Environmental

This facilitates a complete reaction with the carryover furnace slag to effectively reduce the FeO Iron Oxide and MnO Manganese Oxide contents of the slag in the ladle This effective slag deoxidation process improves alloy recoveries and increases desulfurization efficiency, while also providing protection to the ladle slagline

LADLE REFINING AND SLAG CONDITIONING

and ladle slags, ladle refining, and slag conditioning However, the principles are presented in such a manner that it can be applied in a practical fashion under actual steelmaking conditions A complete and detailed course on slag fundamentals and steelmaking principles would probably

Steel Ladle metallurgy Britannica

Steel Steel Ladle metallurgy: The carrying out of metallurgical reactions in the ladle is a common practice in practically all steelmaking shops, because it is cost efficient to operate the primary furnace as a high speed melter and to adjust the final chemical composition and temperature of the steel after tapping Also, certain metallurgical reactions, for reasons of equipment design and

Modeling of Ladle Refining Process Considering Mixing and

Apr 14, 2020 The operational data and corresponding measurements of the ladle refining process were reported by Graham and Irons 4 The initial chemical compositions of the steel and slag are shown in Table 2 and 3 4, 5, 7 Figure 4 shows the operational schedule and temperature of the LF refining

Fundamentals of Eaf and Ladle Slags and Ladle Refining

II Introduction to slag fundamentals a What is slag? b The functions of slag c The building blocks of slag d Slag calculation example e Slag basicity and optical basicity f The fluxing effect and the concepts of solidus and liquidus temperatures g The slag balance h Slag requirements and a simple slag classification III Foamy slag fundamentals and their practical application to

Refratechnik Slag conditioner

REPROMAT: Slag conditioning and protection of the basic refractory lining In order to minimize the attack on refractory material by aggressive slags, and to obtain an optimum degree of saturation in the slag, the use of reactive MgO has been established as an excellent solution