magnesia alumina spinel castable

Effects of cement and magnesia fines on in situ spinel

 · The effects of cement and magnesia on spinel and hibonite formation in the castable alumina content of spinel and associated physical changes after exposure to high temperature were studied. The presence of a larger quantity of fines in added magnesia was found to help increase spinel formation with greater permanent linear change (PLC

Corundum-Spinel CastableRS Refractory Castable for Sale

Magnesia Alumina Spinel CastableHX Ref

 · Magnesia Alumina Spinel Castable with high quality and high grade raw material excellent slag resistance and durability mainly used for large ladle and refining ladle. Email xiang_liu hxref Mobile

Evolution of an alumina-magnesia/self-forming spinel

MgO content in the castable seems to affect the hibonite development. The development of a self-forming spinel castable without any synthetic spinel grains appears to be promissory for optimum refractory linings. Keywords Refractories magnesium aluminate spinel castable alumina-magnesia refractory lining MgAl 2 O 4 MgO-Al 2 O 3.

Study of Spinel-Containing High Alumina Castable with

 · High alumina castable with presynthesized and in situ spinel formation is studied using two different lime-containing high alumina cements. Vibratable castable compositions were studied by conventional processing using a distribution coefficient of 0.29 and heat treatments at 110 900 and 1500°C. Slightly lower density and strength values were found for in situ spinel-forming compositions

Optimization of Properties for Alumina-Spinel Refractory

Alumina-magnesia and alumina-spinel castables have been widely used in steel ladle linings below the slag zone the well block of purging plugs and injection lances due to their excellent slag resistance and mechanical properties 1 2 .In view of the increasing ratio of scrap to steel higher working temperature and prolonged refining time the enhanced properties of materials especially

Magnesia Alumina Spinel Bricksjansincere

 · Introduction. Product Features 1. Pure raw material less impurity content pressed and sintered in high pressure temperature. 2. Good performance of corrosion resistance exfoliation resistance and refractoriness. 3.

Corrosion resistance of alumina-magnesia castable to

The corrosion resistance of alumina-magnesia castable to a basic slag was evaluated to find the highly-resistive castable composition for steel processing. Stable solid phases were CA6 alumina and spinel after firing of the castable of Al 2O 3­MgO­ CaO­SiO 2 system. The slag corrosion was simulated thermodynamically for CA6 alumina

(PDF) Microstructure and phase evolution of alumina–spinel

Oxide (wt. ) Tabular alumina Spinel Reactive alumina Cement The effect of nano-alumina content on the A.P. of the Al2O3 99.4 76 99.8 72.7 alumina–spinel refractory castable as a function of sintering Na2O 0.33 0.15 0.06 0.19 temperature is shown in Fig. 1.

Magnesia Alumina Spinel Bricksjansincere

 · Introduction. Product Features 1. Pure raw material less impurity content pressed and sintered in high pressure temperature. 2. Good performance of corrosion resistance exfoliation resistance and refractoriness. 3.

High Alumina Castablesjhrefractory

 · High alumina castable is a kind of refractory castable made of high alumina bauxite aggregate as main raw materials add calcium alumina cement as binders. If has high good resistance to thermal shock and wear resistance.

Reaction behavior of slag and spinel in steel ladle castables

The di・€erence in corrosion behavior between alumina-spinel and alumina-magnesia castables in a steel slag was investigated with emphasis on the composition of spinel phase. The spinel primarily-added to the alumina-spinel castable had the

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Magnesia Alumina Spinel Castable. Description Magnesia Alumina Spinel Castable with high quality and high grade raw material excellent slag resistance and

Energy efficient lightweight periclase-magnesium alumina

 · The slag resistance depended on the dissolution rate of the castable into the slag and the penetration depth of the slag in the castable. Although alumina-magnesia spinel dissolves at a higher rate into steel ladle slag than periclase spalling of the deteriorated layer caused by the penetration of the slag was more likely to trigger the

Spinel In situ versus PreformedClearing the Myth

 · of alumina-spinel (spinel contain-ing) and alumina-magnesia (spinel forming) castables and the influence on their physical properties. The individual prop-erty profile will be discussed with regard to the requirements on re-fractory lining materials for the different zones of a steel ladle. 1 Introduction Since beginning of the 1990s alumina-spinel

Energy efficient lightweight periclase-magnesium alumina

 · This study presents a new lightweight periclase-magnesium alumina spinel castable (LPSC) for the working lining of steel ladles using porous periclase-spinel aggregates to replace conventional dense magnesia aggregates.

China Magnesia Alumina Spinel Castable Manufacturer and

Magnesia Alumina Spinel Castable Manufacturers Factory Suppliers From China We maintain timely delivery schedules impressive designs high-quality and transparency for our buyers. Our moto is to deliver top quality solutions within stipulated time.

Alumina Magnesia Refractory CastablesRS Kiln Refractory

Alumina-magnesia spinel castable The alumina-magnesia spinel castable is mainly made of corundum super bauxite clinker fused or high-purity magnesia and alumina-magnesia spinel etc. and is configured with low cement technology.

Fused Spinel Alumina-Magnesia Spinel Spinel Refractory

Fused Spinel Alumina-Magnesia Spinel is one of the most resistant refractory compounds. It has great features such as low thermal working temperature outstanding refractoriness thermal stability and chemical stability. Fused Spinel Alumina-Magnesia Spinel is

Spinel s springIndustrial Minerals

 · Synthetic spinel s main uses are as a replacement for magnesia-chrome brick in cement and lime kilns (using MgO-rich spinel) and as a 15-30 component of castable monolithics for steel ladle linings and in pre-cast shapes such as well blocks (using mostly Al 2 O 3-rich spinel).

Reaction behavior of slag and spinel in steel ladle castables

The spinel primarily-added to the alumina-spinel castable had the stoichiometric composition whereas the spinelforming secondarily in the alumina-magnesia castable was inanalumina-rich composition. The model reaction between sintered spinel and slag revealed that

Magnesia Alumina Spinel Bricksjhrefractory

 · Magnesia alumina spinel brick is an advanced refractory material. Generally Mg-Al spinel refractory refers to the general structure of MgAl2O4 or MgO-Al2O3 that is the magnesium aluminum spinel is prepared from high-purity materials has good corrosion resistance thermal shock stability.

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Magnesia Alumina Spinel Castable. Description Magnesia Alumina Spinel Castable with high quality and high grade raw material excellent slag resistance and

Improved Corrosion Resistance of Alumina-Spinel

 · In order to fulfill all these needs alumina-spinel (spinel-containing) castables are preferred instead of alumina-magnesia (spinel-forming) ones for application as im-pact pad material. The presence of pre-reacted spinel grains ensures the volumetric stability desired for the ladle bottom mater-ials 2 4 5 . Nonetheless as calcium aluminate

Reaction behavior of slag and spinel in steel ladle castables

The spinel primarily-added to the alumina-spinel castable had the stoichiometric composition whereas the spinelforming secondarily in the alumina-magnesia castable was inanalumina-rich composition. The model reaction between sintered spinel and slag revealed that

Effects of cement and magnesia fines on in situ spinel

 · The effects of cement and magnesia on spinel and hibonite formation in the castable alumina content of spinel and associated physical changes after exposure to high temperature were studied. The presence of a larger quantity of fines in added magnesia was found to help increase spinel formation with greater permanent linear change (PLC

Study of Spinel-Containing High Alumina Castable with

 · High alumina castable with presynthesized and in situ spinel formation is studied using two different lime-containing high alumina cements. Vibratable castable compositions were studied by conventional processing using a distribution coefficient of 0.29 and heat treatments at 110 900 and 1500°C. Slightly lower density and strength values were found for in situ spinel-forming compositions

High Alumina Castable RefractoryRongsheng Refractory

High alumina castable refractory is monolithic refractory materials which is made of high alumina aggregate and powder binder and water reducer in which the amount of Al2O3 is over 48 . The high alumina castable properties are mainly high mechanical strength good heat and shock resistance anti-abrasion and so on.

Alumina Spinel Bricks Refractory Bricks for refining

Alumina Spinel Bricks are great refractories for clean steel. They offer high refractoriness and withstand erosion abrasion and slag build-up for long lining life. Universal application mainly used for refining furnaces and refining ladles.

Magnesia Alumina Spinel CastableHX Ref

 · Magnesia Alumina Spinel Castable with high quality and high grade raw material excellent slag resistance and durability mainly used for large ladle and refining ladle. Email xiang_liu hxref Mobile