development of ladle lining refractory materials

Development of Refractory Materials for Ladle LiningRS

EVOLUTION OF THE STEEL LADLE REFRACTORIES LINING

the ladle stand Entire lining layers may fall off creating additional cost and longer downtime A monolithic lining is installed without joints secured depending of the design by anchors or steel fibres Today monolithic solutions for permanent lining castable are still based on alumina raw materials

What are the factors that affect refractory materials of

There are many kinds of refractory materials for ladle lining and different refractory materials used in different types ladle We have roughly introduced the refractory materials used in ladle Today we introduce the factors affecting the refractory material of ladle lining so that you can purchase refractory material for ladle

A Method for Steel Ladle Lining Optimization Applying

Successful lining concept design can avoid the premature wear of refractory linings allow for more economically efficient configuration of refractories and improve the efficiency of high temperature processes and save energy The present paper introduces the Taguchi method combining finite element FE modeling for the lining optimization of a steel ladle from thermal and thermomechanical

Latest Development in Refractory Monolithics

For high alumina refractories in steel ladles a change is ongoing from naturally based refractory aggregates such as andalusite or bauxite to synthetic ones like tabular alumina and spinel This applies to both monolithic and brick linings The higher purity synthetic aggregates provide better performance with regard to lining life steel cleanliness refractory unit consumption per tonnage of

Improvement In Ladle Technology For Conservation Of

into ladle that will cause great thermal shock to the working layer and bottom of ladle this will causes the damage of working layer and refractory material of ladle thus reducing the service life of the ladle Meanwhile molten steel will lose a lot of heat in the ladle and then molten steel temperature will drop dramatically

Development of ladle lining refractory materials

Development of ladle lining refractory materials 20th Century 50 70 years China s steel plants mainly used aluminosilicate refractory materials including clay alumina brick and so

Lecture 15 Application of Refractory Materials

Monolithic linings are a relatively recent development and consist of unshaped refractory products These are materials which are installed in some form of suspension that ultimately hardens to form a solid mass There are two basic types of monolithic lining namely castable refractory and plastic

Steel Ladle A Global Refractory Leader Calderys

Calderys solutions are customised depending on the size of the ladle and the operating requirements and thanks to our brick product ranges there is full flexibility to offer any lining type insulating safety or wear linings in the ideal ratio of bricks and monolithics to meet any customer need Monolithic refractory benefits steelmakers by

Analysis of Damage Causes of Refractory Material in Ladle

1 Erosion There are two main types of erosion for the lining of the ladle working layer chemical attack and oxidative attack Chemical attack the acidic substances such as silica in iron oxide or slag react with the lining of refractory materials There are chemical reactions between iron oxide silica calcium oxide and magnesium oxide

Steel Teeming Ladle and its Refractory LiningIspatGuru

Steel Teeming Ladle and its Refractory Lining satyendra November 8 2014 0 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

Improvement In Ladle Technology For Conservation Of

into ladle that will cause great thermal shock to the working layer and bottom of ladle this will causes the damage of working layer and refractory material of ladle thus reducing the service life of the ladle Meanwhile molten steel will lose a lot of heat in the ladle and then molten steel temperature will drop dramatically

Ladle Refractories Selection of refractory materials for

What are the commonly used ladle refractories RS Refractory Manufacturer notes that with the development of out furnace refining technique many steel liquid refining process is carried out in steel ladles such as argon blowing the addition of alloy element and synthetic slag etc The working condition of steel ladles is harsher and requires higher quality furnace lining steel ladle refractories

Ladle lining refractory materials

Ladle lining refractory materials 06/20/2017 China s steel plants mainly used aluminosilicate refractory materials including clay alumina brick and so on in 1950s Since the 1980s China has successively developed the aluminum magnesium carbon coal quality calcium and magnesium and other several series of new steel package refractories

Impact of steel ladle preheating on the decarburization of

Steel ladles need to be preheated to avoid thermal shock damage to the refractory lining The preheating process lasts up to 40 hours A natural gas firing is used as energy source to preheat the refractory lining up to a temperature of 1000 °C Due to the high excess air flow during combustion the exhaust gas contains considerable amount of

Refractory LiningRongsheng Kiln Refracotry Materials

Before the pour in of molten steel the temperature of the lining of the ladle is usually between 800℃ 1200℃ which causes stress in the lining layer and this may lead to the stripping of the working layer It is well known that the reaction of slag at high temperature can cause erosion of refractory materials

ECONOMIC OPTIMIZATION OF LADLE FURNACE

refractory costs of wear lining safety lining and permanent lining respectively in Rs/m3 of the material If Ac 1 A c2 and Ac 3 are the cross section areas of the three lining materials respectively and H is the height of the ladle fixed height of 4 2m then material cost C r is given by x x H 4 where Ac

Selection and quality control of refractory materials for

5 In the preheating part of the kiln material including the end after the decomposition zone in the kiln barrel the preheater and the decomposition furnace system the tertiary air pipe and the cooling machine in the medium temperature area all the parts of the lining surface temperature is not more than 1200℃ should be made of clay refractory materials including a series of alkali

13 Types of Refractory Materials and Their Applications

13 Types of Refractory Materials and Their Applications Refractory materials are used in various fields of the national economy such as iron and steel nonferrous metal glass cement ceramics petrochemical machinery boiler light industry electric power military industry etc is an essential basic material to ensure the production and operation of the above mentioned industries and

Latest Development in Refractory Monolithics

bauxite brick lining and it changed to AluMagCarbon bricks in 2008 In Table 1 below the chemical analysis results of main alumina raw materials source used as aggregates in steel ladle refractory lining are shown Table 1Chemical Analysis and bulk density comparisons of synthetics vs natural alumina aggregates Wt

General requirements for ladle use and types of refractory

At the same time the non carbonization and alkalization of ladle lining is also a new requirement for the treatment of clean steel and is the development direction of refractory materials for ladle lining Carbon free materials include integral castables mainly corundum spinel corundum magnesia based castables cast prefabricated blocks

Ladlechrefractory

Ladle Through the establishment of model analysis it will positively reduce the cost of ladle refractory and reduce the difficulty of masonry operation accurately grasp the simulation of refractory materials in various parts of ladle and formulate reasonable ladle refractory materials according to the trial operation of the model

Steel Teeming Ladle and its Refractory LiningIspatGuru

The refractory materials normally used for lining are dolomite bricks magnesia chrome bricks magnesia carbon bricks high alumina bricks aluminum carbon bricks and high alumina castable The types of refractory construction vary widely depending on the operating conditions and on the ability to cycle STLs rapidly

Steel Ladle Refractory Mateial CatalogueRongsheng

Steel ladle lining is composed of a permanent layer a working layer a slag line layer and a heat insulation layer the steel ladle each part is different the refractory materials used are also different so different parts are applied according to the characteristics of the refractory brick Refractroy material Used in Working Layer 1

What is Ladle Sand and How Does it Work African Pegmatite

Ladle sand can also be used outside the furnace in the furnace lining outside the furnace in the furnace refining lining lining parts of ladle slag Its refractory castable comes with good mechanical behavior and high refractoriness even under high temperature which has the ability to ensure more efficiency

DEVELOPMENT OF REFRACTORY THICKNESS METER

To inspect the refractory of torpedo ladle car at high temperature is effective in expanding its service life and reducing its maintenance cost preventing metal break out As to metal impact area the refractory thickness could not be inspected by thermal analysis of outer steel shell The refractory thickness meter was installed at torpedo repair shop for evaluating its measurement stability

Enhanced Performance of Ladle Refractory Lining

Within these operations it shows outstanding performance as ladle linings spouts and receivers or in the uppercase body of channel furnaces Performance The high flexibility of NORFLOW A 973 selflowing castable refractory product line is definitely a key

Ladle Furnace Refractory Lining A review

Structure of the refractory expressed in this case as combinations of various materials to constitute permanent safety and wear lining has been formed to play a major role in determining the suitable refractory for the ladle Optimum thickness of the wear lining has been found to be a strong function of economic parameters that affect the total heat loss An increase in unit energy cost and a

Ladle Refractories Refractory for Ladle Ladle Lining

Ladle Refractories has Ladle magnesia carbon brick Alumina magnesite Carbon Brick for Ladle Ladle Unshaped Refractory Material Ladle Permanent Layer Castable