Refractory Corundum Spinel Castable For Medium Sized Ladle
Development of Refractory Materials for Ladle LiningRS
The upgraded ladle bottom and wall are corundum spinel bricks and the slag line uses improved magnesia carbon bricks with 14 C mass fraction Corundum Spinel Bricks The corundum spinel brick is developed under the background of the leapfrog development of refractory raw material production technology
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CNBThermal shock resistant corundum spinel
The invention discloses thermal shock resistant corundum spinel refractory castable which comprises the following raw materials in percentage by weight 65 80 of corundum particles and fine powder 3 10 of aluminum oxide fine powder 2 8 of materials containing Zr 10 15 of magnesium aluminum spinel fine powder 3 8 of bonding agent 0 05 0 1 of organic fiber additional and 0 2 0 6 of
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Corrosion Mechanism of A Density Reduced Steel Ladle
Steel ladle linings with spinel containing or spinel forming high alumina refractories in the metal zone wall and bottom are the state of the art 1 2 3 While magnesia carbon refractories potentially pollute steel with carbon the high purity and carbon free alumina spinel refractories facilitate the production of ultra low carbon steel Traditionally ladle castable developers try to
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Corundum Spinel CastableRongsheng Refractory
2 Refractory corundum spinel castable mainly used in the medium sized ladle 3 Refractory corundum spinel castable mainly used in the continuous casting tundish 4 Refractory corundum spinel castable mainly used in the degassing tube and spray gun Corundum Spinel Castable of Factors Affecting the Performance
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What are the Wear Resistant Refractory Materials for CFB
October 28 2020 Refractorymaterials At present wear resistant refractory materials of circulating fluidized bed boilers in China can be divided into the following three categories according to their functions 1 Bricks castables plastics and mortar made of wear resistant refractory materials 2 Bricks castables and mortars of
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Refractory Manufacturer Factory Ladle Refractories
Changxing Refractory offers Ladle refractory product with best quality Main products Magnesia Carbon Brick Ladle Back Fillers AMC Brick Magnesia Alumina Carbon Brick Ladle Purging Plug Ladle Purging Well Block Ladle Upper Nozzle Lower Nozzle Slide Gate Plate Ladle Castable
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Silica sol could steel the show as castable binder for
Raw materials for the corundum spinel mixture were adjusted to contain particle sizes of about 43 percent coarse 1–6 mm 29 percent medium 0–1 mm and 28 percent fine ≤90 μm After dry mixing raw materials and then wet mixing with silica sol some of the mixture was set aside for flow testing while the rest was cast into samples
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Ladle working layer castable/Refractory Castable for steel
High quality Ladle working layer castable/Refractory Castable for steel furnaces/high strength better volume stability from China China s leading castable refractory cement product with strict quality control high temperature castable refractory factories producing high quality high temperature castable refractory
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Aluminum Magnesium Spinel CastableRongsheng Refractory
2 This refractory castable aluminum magnesium spinel material is also known as corundum or high alumina magnesia spinel refractory castable also known as composite aluminum magnesium spinel refractory castable Excellent performance widely used in large and medium sized ladle Aluminum Magnesium Spinel Castable Features 1
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Steel Ladle Castable ManufacturingRS Refractory
Steel ladle castable is made of high purity fused corundum as the main refractory material the matrix is mixed with high purity magnesium aluminum spinel and an appropriate amount of binder admixture and other magnesium aluminum castable made by uniform mixing
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Effect of spinel content on slag attack resistance of high
High alumina refractory castables based on the Al 2 O 3 MgO CaO diagram ternary system were prepared using tabular alumina white electrofused corundum calcined alumina synthetic spinel dead burned magnesia dolomite and calcium aluminate cement as starting raw materials Two kinds of slags with 9 02 and 4 14 CaO/SiO 2 ratios were studied for slag resistance by means of crucible tests
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Steel Ladle CastableChina Refractory Brick Castable
For middle size and large scale ladles corundum magnesia castable and corundum alumina magnesia spinel castable are usually used as ladle wall and bottom working lining Slag line zone is usually built by magnesia carbon bricks Castable which can be worked by gunning casting have been applied in some countries and have obtained very nice effect
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Thermodynamic evaluation and properties of refractory
For purging plug refractory materials in general the chemical composition will be very close to the angle of corundum on the phase diagram due to the low amounts of CaO low or ultra low cement castable MgO 10–20 of MA spinel equals to 2–5 MgO and the high amount of corundum
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Ladle self flowing castable Jundao Henan New Materials
Ladle self flowing castable Jundao Henan New Materials Co Ltd Corundum self flowing castables are mainly used for the bottom of ladle with fused white corundum as the main material suitable micro powder and dosage the amount of cement is controlled at 3 4 a small amount of anti explosive agent and dispersant are added
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Alumina Magnesia Refractory CastablesRS Kiln Refractory
Application of Alumina Magnesia Refractory Castable Alumina Magnesia Refractory Castables have been widely used in a ladle for medium and small die casting The average ladle age is 60 to 80 times and the consumption of refractory materials per ton of steel is reduced by about 70 compared with that of clay ladle bricks
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Ladle Lining Castables Ladle Refractory Castables
Ladle Castable Introduction Ladle castable use corundum alumina magnesia spinel fused magnesite as raw material adopt micro powder bonding technology is produced with addtives Ladle castable has good workability high strength good volume stability good abrasion resistance and thermal shock resistance etc Ladle castable is normally used in large and medium sized ladle as safety
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Why Use Magnesia Carbon Refractory Materials for Ladle
However when the slag falls into the ladle the aluminum magnesium carbon refractory has lower slag resistance especially the converter slag resistance For example when a certain enterprise casts 10 to 15 of the total number of molten steel in the service of a medium sized ladle the converter slag falls into the ladle
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PDF Microstructure and phase evolution of alumina–spinel
Comparison between Fig 4 XRD results of alumina–spinel refractory castable containing different XRD results of Figs 3 and 4 reveals that the content of CA2 amounts of nano alumina particles after firing at 1500 8C C corundum S phase is decreased with the increase of firing temperature and spinel
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Dynamic slag/refractory interaction of lightweight Al2O3
In order to better understand the dynamic slag/refractory interaction of a lightweight Al 2 O 3 –MgO castable during steel refining and to avoid the effect of centrifugal force test bars were immersed in slag at different rotation rates The results showed that the dissolution was governed by the transport of reaction species of Al 2 O 3 through the slag at the interface
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Performance Requirements of Al2O3 MgO Al2O3 Refractory
Ladle castable is an unshaped refractory made of high alumina bauxite corundum and magnesia as the main materials using composite micro powder and adding some additives Steel Ladle Castable Get Quotation Ladle castables are made of bauxite clinker corundum magnesia magnesium spinel and ultrafine powder etc with different binders
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Spinel Refractory MaterialDXD
Spinel Spinel refers to a class of minerals with the same structure The chemical formula can be expressed as AO R2O3 where A represents a divalent element ion which can be Mg2 Fe2 etc R is a trivalent element which can be Al3 Fe3 Cr3 and so on Most of them exist in the form of isomorphous solid solution All spinel forms a solid solution by expanding the crystal
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High quality Raw Pure Industrial use spinel refractory
Refractory Magnesia Aluminate Spinel Bricks MAS for cement kiln Excellent thermal spalling resistance good thermal shock stability Used for roof of open hearth cement roary kiln Etc Chemical Composition and Physical Properties Items MAS 8 MAS 10 MAS 15 MAS 16 MgO min 85 80 82 80 Al2O3 max 8 10 15 16 SiO2 max 1 5 1 5 1 5 1 5 Apparent Porosity min 17 17 16 17 Cold
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In situ spinel bonded refractory castable in relation to
1 IntroductionEvolution of castable refractories aimed at building up of a refractory construction which itself is a single unit and the present day scenario shows a remarkable increase in the use of various kinds of castables With the changes in time and technology the service condition has become more severe and it became necessary to search for high performance castable
Get PriceSteel Ladle Refractories Damage Causes
Corundum Spinel Castable For The Steel Ladle Low ratio of medium temperature strength to high temperature strength Refractory Ladle Lining Man Made Causes 1 Improper selection and mismatch off fireproof refractory materials 2 Improper use of refractory materials such as masonry methods and unreasonable baking methods
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Steel Ladle Refractories Damage Causes
First the ladle refractory is used to transport high temperature molten steel During the transportation process high temperature molten steel and molten slag around 1680 ℃ scouring and eroding it especially in the slag line area and the erosion erosion is more serious which is an important factor determining the service life of a tank
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Spinel Coated Graphite for Carbon Containing Refractory
J Am Ceram Soc 92 8 1895–1900 2009 DOI 10 1111/j 2009 03133 x r 2009 The American Ceramic Society Journal Spinel Coated Graphite for Carbon Containing Refractory Castables Sunanda Mukhopadhyay w Sarbasree Dutta Sheikh A Ansar Sumita Das and Susmita Misra Department of Chemical Technology University of Calcutta Kolkata 700 009 India Oxidation
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The alkali proof castable manufacturing was performance first grade and the strength of the castable was improved by using the modern ultrafine powder technology This refractory castable has good construction fluidity simple construction and simple maintenance Alkali proof castable are widely used in large and medium sized dry process
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CNAThermal shock resistant corundum spinel
The invention discloses thermal shock resistant corundum spinel refractory castable which comprises the following raw materials in percentage by weight 65 80 of corundum particles and fine powder 3 10 of aluminum oxide fine powder 2 8 of materials containing Zr 10 15 of magnesium aluminum spinel fine powder 3 8 of bonding agent 0 05 0 1 of organic fiber additional and 0 2 0 6 of
Get PriceLadle CastableCheap Refractory Materials For Sale In RS
Description For Ladle Castable Ladle castable is a kind of refractory materials used for steel ladle which is made by adding certain amount of binding agent Ladle castable mainly adopts high alumina and silica refractory materials
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April 28 2020 by rsrefractorycastable Corundum castable is the most commonly used antiwear material in CFB boiler Compared with traditional castable it can greatly improve the running time of the boiler Corundum castable manufacturing with high strength impact resistance mechanical wear and high temperature high speed airflow erosion
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Steel ladle castable is mainly used on large medium and small ladles Long service life safe and stable used for large ladle 100T integral lining up to times is an ideal ladle refractory
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Influence of Adding Corundum Powder to Kiln Refractory
Influence of Adding Corundum Powder to Alumina Magnesia Refractory Castable The slag retaining wall of the tundish is eroded by molten slag during operation and is damaged by the intermittent thermal shock caused by molten steel soaking molten steel scouring and rapid cold and heat which is prone to cracking spalling molten slag penetration and collapse
Get PriceBrown fused aluminaLONTTOrefractory material
Brown fused alumina industry application Brown fused alumina refractory Corundum refractory brick used in normal temperature compressive strength is very high up to 340MPa high load softening start temperature higher than 1700 DEG C excellent chemical stability resistance to acid or alkaline slag metal and glass liquid had strong
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Insulating Castable RefractoryRS Kiln Refractory
Insulating Castable Refractory is made of aluminate cement high alumina fines ceramsite and some other annexing agent which is the best ideal product for positions with alkali erosion in the high temperature with its excellent features of lightweight high compressive strength acid and acid gaseous corrosion resistance thermal insulation low water absorption easy construction and etc
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spinel for refractory spinel for refractory Suppliers and
Refractory Magnesia Aluminate Spinel Bricks MAS for cement kiln Excellent thermal spalling resistance good thermal shock stability Used for roof of open hearth cement roary kiln Etc Chemical Composition and Physical Properties Items MAS 8 MAS 10 MAS 15 MAS 16 MgO min 85 80 82 80 Al2O3 max 8 10 15 16 SiO2 max 1 5 1 5 1 5 1 5 Apparent Porosity min 17 17 16 17 Cold
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Kiln Refractory Bricks Castable RefractoryRongsheng
Zhengzhou Rongsheng Kiln Refractory Company is located in the inner land of Central Plains and at the foot of Fuxi Mountain the east foot of Songshan Mountain Zhengzhou Rongsheng Kiln Refractory Company now has two fully automatic unshaped refractory production lines with an annual output of 100 000tons one shaped refractory production line
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