slag build up in a coreless furnace

  • Unshaped refractory ramming mass (mixture) for middium frequency Coreless Induction Furnace …

     · 6.Slag build up In this segment, HXS provides monolithic lining material that: 1 it for all metal types(acidity, alkaline, neutral), reduce residue and porosity of the products. 2.Good performance to thermal shock, corrosion erosion and abrasion resistance.

  • Explanation of a Coreless Induction Furnace – Furnace …

    Slag forms along the top and middle layers of the crucible. This differs from the slag build up found in channel furnaces. Channel furnaces form slag in the throat of the furnace above the induction unit.

  • FURNACES AND REFRACTORIES

    2.1.2 Re-rolling mill furnace a) Batch type A box type furnace is used as a batch type re-rolling mill. This furnace is mainly used for heating up scrap, small ingots and billets weighing 2 to 20 kg for re-rolling. Materials are manually charged and discharged andoC.

  • Coreless Induction Furnace Principle

    The coreless induction furnace is chiefly used for the melting of steel and other ferrous metals. The capacities available vary from 50 Kg to about 20 tones. The initial cost is more as compared to the arc furnace. Advantages of Coreless Induction Furnace

  • Coreless Fluxing Benefits for Ferrous Foundries David Williams, …

    coreless induction furnace to combat slag build-up is shown in the accompanying example below. This family-owned foundry had noticed unexpected "lining growth" in the 500 lb coreless induction furnace, at the rate of 25 mm (1- inch) per day.

  • Furnace, Induction furnace, Induction melting furnace used in …

    Of the furnace and puts workers, the furnace itself and nearby plant and equipment at risk. A water/metal explosion can occur in any type of furnace. For an induction furnace, however, The after effect may be more serious and include the possibility of additional

  • What is Slag? (with pictures)

    Cinder blocks can be made from slag. Common components of slag include the oxides of silicon, aluminum, and magnesium, as well as sulfur, which is always present also contains phosphorous, calcium, ash, remnants of flux materials such as limestone, and remainders of chemical reactions between the metal and the furnace lining.

  • Refractory Corrosion Mechanisms in a Novel High Carbon …

     · Massive build up and wash outs of the refractory side wall below the build up Full size image The measured residual thickness of the brick lining in the slag zone (in front of the copper cooling element) was on average 90 mm. Especially in front of the cooper cooler, a massive crack formation was detected, which had resulted from the thermal shock during furnace shutdown and cool-down (Fig. 6 ).

  • Coreless Induction Furnace, Electric Induction Furnace, …

    Slag Build Up In the CIF segment, we have more then 50 years of successful partnerships in the foundry industry worldwide. We offer a full set of monolithic linings covering all refractories for the complete furnace (hot face lining, cast blocks, coil grouts, covers, spouts, mica slip planes, etc).

  • US4162156A

    Process for melting cast iron borings comprising continuously charging dried borings into a coreless induction furnace operated within controlled metal levels to achieve adequate stirring of the molten metal in the furnace, drawing incoming borings beneath the ...

  • Saving Electrical Energy in Coreless Induction Furnaces | Foundr…

    Controlling Slag Defects, Insoluble Buildup in Melting and Holding ...

  • The world''s largest coreless induction furnace – ABP …

    The world''s largest coreless induction furnace – ABP Induction. ABP Induction has recently supplied the largest and most powerful coreless induction furnace in the world rated at 65 000 kgs capacity and powered with a 42 000kW converter. "Despite the economic woes we have had a very successful period over the last two years.

  • Induction Furnace and Steelmaking – IspatGuru

     · The build-up of slag on furnace walls (Fig 7) is to be avoided. Typical slag build-up takes place near the neck, above coil level where agitation effect is less. Quantity of flux used for slag …

  • Maximizing Lining Life and Coil Life | Foundry Management …

     · EF deoxidation eliminates nearly all slag formation during the EF melt cycle. With DeOX Metal Treatment, slag volumes produced during the cupola melt cycle decrease close to 75%. A minor amount of slag will always be created due to the SiO 2 ash contained within coke.

  • Build Small Induction Furnace

     · build -up crust at the slag line in the furnace. coreless induction furnace would be as follows: Bottom of furnace: 1) A light raw material cover in small pieces (to protect the bottom of the furnace) 2) Half of the Sorelmetal

  • GOOD PRACTICE GUIDE

    4. SELECTION OF NEW CORELESS MELTING PLANT 11 4.1 General 11 4.2 Important Furnace Design Characteristics 12 4.2.1 Mains vs. Medium Frequency 12 4.2.2 Influence of Furnace Capacity and Power Density 13 4.2.3 Automatic Power Control and 4.2

  • USE OF SILICON CARBIDE IN THE INDUCTION FURNACE

    build -up crust at the slag line in the furnace. Moreover this slag being less oxidized would have a larger capacity to absorb some sulphur from the melt if necessary. Of all the items already p resented, probably the most important is the role of conditioning of ...

  • Blast furnace scabs | British Steel

     · The same goes for alkali build-up in a blast furnace – a little is great for protecting the furnace refractory bricks from premature wear, however a large build-up can cause significant issues. There are a few main causes for scab build-up – excess sinter fines within the furnace (which is sinter smaller than -5mm) and a high lime chemistry of the slag (which is the by-product of the ...

  • How Induction Melting Works in a Coreless Furnace

     · The Coreless Furnace The coil is central to the functioning of the coreless steel melting induction furnaces. This coil is a hollow piece of highly durable, high conductivity tubing made of copper, and is formed in a helical shape.

  • How is carbon monoxide formed in a blast furnace?

     · Iron Blast Furnace The coke (carbon) burns with oxygen to produce carbon dioxide. This reaction is exothermic. The CO2 then reacts with more coke to give carbon monoxide. The limestone in the furnace decomposes, forming calcium oxide.

  • Melting and treatment of steel for casting

     · Design of the furnace The principles of design and operation of coreless induction furnaces are described in Chapter 4, pp. 55-60. Induction furnaces for steel melting may have a melt capacity of up …

  • induction furnace slag supplier

     · induction furnace slag, induction furnace slag Suppliers Alibaba offers 151 induction furnace slag products. About 26% of these are Industrial Furnace. A wide variety of induction furnace slag options are available to you, More

  • Electric Arc Furnace Design Operation and Working …

     · Electric Arc Furnace Working Principle and Operation. Electric arc furnaces work on the principle of the electrode forming an arc between itself and the top layer of metal to be melted. The operation begins with a delivery of steel scrap to the scrap bay, located at one end of the EAF building. The scrap comes in many forms, from shredded ...

  • Control of Slag and Insoluble Build-up in Melting Furnaces

    Figure 1: Typical Slag Build Up in a Coreless Induction Furnace The areas of slag deposits are at a much lower temperature than the center of the furnace walls. Slag also is deposited in areas midway down the crucible lining, where insufficient metal turbulence from magnetic stirring occurs.

  • Controlling Slag Defects, Insoluble Buildup in Melting and …

     · It is not unusual to have two inches or more of slag buildup occur on the walls of coreless, channel furnaces, pressure-pour furnaces, or ladles within the first several hours of operation. Proprietary fluxes based on a blend of alkaline oxides have been developed for use in electric melting furnaces, pressure-pour furnaces, ladles, and certain ductile iron treatments to solve these problems.

  • Slag Build Up In A Coreless Furnace

    Coreless Induction Furnace Slag Build Up; In the CIF segment, we have more then 50 years of successful partnerships in the foundry industry worldwide We offer a full set of monolithic linings covering all refractories for the complete furnace (hot face lining, cast

  • Slag & carbon on laser cut edges

    A. The easiest way to remove carbon deposits might be to heat the parts up in a furnace and burn the carbon off, if the parts can be heated. Then you would have to strip any oxides you form off the surface but it will definitely burn off the carbon. John Davis. - Berthoud, Colorado, USA.

  • Control of Slag and Insoluble Buildup in Ladles, Melting and …

    During the melting process, slag is generated from oxidation, dirt, sand and other impurities. Slag can also be generated from the scrap, erosion and wear of the refractory lining, oxidized ferroalloys and other sources. In a coreless induction furnace, slags normally deposit along the upper portion of the lining or crucible walls and above the heating coils. Figure 1 shows typical slag buildup in a coreless induction-melting furnace.

  • Refractories for furnace – Haewon FM Co.,Ltd.

    It is a silica based refractory designed for lining coreless induction furnaces and can be selected according to tapping temperature. It has long life time as it has no moisture and high purity. DRI VIBE 458S-CR BA. It is a silica based refractory and is very strong …

  • Refractory failure in induction furnaces can be limited.

     · Coreless furnaces can build up in the midcoil area to the extent that the entire lower crucible becomes bridged. A similar scenario results in channel furnaces when the throat becomes clogged, bridging the inductor to the body of the furnace.

  • Control of Slag Defects and Insoluble Buildup in Melting Furnaces

    Figure 1 shows typical slag buildup in a coreless induction-melting furnace. The areas of slag deposits are at a much lower temperature than the center of the furnace walls. Slag also is deposited in areas midway down the c rucible lining, where insufficient

  • The use and advantages of slag

     · Slag is used all over the world in road and railway construction and for engineering, and has many advantages over natural rock. Slags are one of the most natural products of all. Slags are principally divided into blast furnace slag and metallurgical slag. At ...

  • Induction Furnaces

    Induction Furnaces. The principle of induction melting is that a high voltage electrical source from a primary coil induces a low voltage, high current in the metal, or secondary coil. Induction heating is simply a method of transferring heat energy. Induction furnaces are ideal for melting and alloying a wide variety of metals with minimum ...

  • Non-ferrous Metal Induction Furnace

     · [post_title] $1184.00 Description: Using the modern induction furnace can improve operating flexibility and production of melting in non-ferrous metal foundries and an important tool in iron foundries. furnace, the induction-melt furnace may The Use of Channel-type Inductors and Coreless Inductors in the Non-Ferrous Metal Industry 1 Applications of channel and coreless Coreless induction ...

  • LADLE FURNACE AND SECONDARY METALLURGY …

     · A slag spout is necessary in order to protect the ladle flange and to prevent the build up of slag on the brim of the ladle. Which would jeopardize a satisfactory seal between the roofs and the ladle furnace..

  • Why An Induction Furnace Can Improve Melting Steel …

    Induction furnaces are an advanced version of the Electric furnaces. These furnaces have the ability to melt large amount metals without any trouble. This furnace save melting time compare to a traditional furnace. They also have the ability to build up heat, allowing ...

  • The Application of The Coreless Induction Furnace in …

    A conjunction of foamy slag and neural furnace controller for energy saving in electric arc furnace at Krakatau Steel (Indonesia) Syakhrudin, Z. / Muhtar / Sunarwa, K. / Basuki, D. | 2003 print version

  • FOUNDRY

    Slag Build Up In the CIF segment, we have more then 50 years of successful partnerships in the foundry industry worldwide. We offer a full set of monolithic linings covering all refractories for the complete furnace (hot face lining, cast blocks, coil grouts, covers, spouts, mica slip planes, etc).

  • Thermal Consistency in Coreless Induction Furnaces

     · Slag residuals will deposit themselves along the refractory walls and also within the coil. The type of slag varies depending on the material the furnace is melting. Those at a high melting point can be especially prone to this kind of build-up, at the point where the hot

  • Typical Causes of Slagging and Fouling Problems in …

     · The products of combustion from that one burner can, in fact, slag up the furnace exit. Some fuels are more unforgiving than others. The coal ash iron content is a huge factor.

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