Refractories
Well block for tundish is of larger size,so it is shaped by vibration molding or casting method.Most well blocks are divided into two parts and a few can be made by monolithic process.The shape can be adapted to customers needs.
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Alumina Magnesia Carbon Bricks For Ladle
Al₂O₃-MgO-C bricks made of high grade bauxite and corundum aggregate,with strengthenedmatrix and resin binder have high strength,good spalling resistance and wear resistance.They aresuitable for ladle wall and bottom.
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Using sintered tabular corundum,zirconia corundum,zirconia mullite as the main raw materials,adding composite antioxidants,natural flake graphite and carbon black,JHCO has developed sliding plate for ladle.They have high density,low porosity,high strength,strong resistance too xidation,thermal shock and molten steel.The quality is of high stability.
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Ladle Inner Nozzle And Collector Nozzle
Using corundum,bauxite and graphite as the main raw materials,JHCO has producednozzles for ladle which have excellent thermal shock resistance and erosion resistance,and they are not easy to break.
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JH-WS series seating blocks or well blocks have the advantages of structural stability,strong resistance to erosion,corrosion and thermal shock as well as long service life.
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Ladle bottom argon blowing purging block is made of high purity,high density and high strengthmaterials with radiation slit shaped structure.The product has stable structure,good airpermeability,easy-adjust gas flow,high blowing rate,erosion resistance and long service life.
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Magnesia Carbon Bricks For Ladle
Magnesia carbon bricks are made of high purity,high dense magnesia or large crystal magnesia,high purity graphite and antioxidants,bonded byresin and shaped under high pressure moldingprocess.Having high strength,high refractoriness,good slag resistance and thermal shockresistance,they can be applied in converter,EAF and ladle.
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Magnesia Carbon Bricks For Converter
The magnesia carbon brick series are made of high purity,high density,large crystal fusedmagnesia and natural graphite with antioxidant and phenolic resin.They are iso-pressed piecesunder high pressure with high strength,high refractoriness,strong resistance to slag and thermalshock.JHCO can provide various MgO-C bricks for different areas of BOF lining where directlycontact with the molten steel and slag.
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Taphole block is one of the key refractory products for converter and EAF steelmaking whoseperformance directly affects the production rhythm.And it is crucial to quality of molten steel andrefractory consumption per ton steel.Adopting magnesia and carbon as the main components,JHCO taphole block is baked under high temperatures,has good thermal conductivity,highresistance to slag erosion,molten slag penetration and thermal shock.
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Magnesia Carbon Bricks For Eaf
According to the operating conditions of different areas of the furnace lining,JHCO designs seriesof mag-carbon bricks for EAF.Using high purity and high density fused,large crystal fusedmagnesia and high purity graphite as starting materials,the bricks are produced by high pressuremolding process.
MgO-C bricks with high strength,high refractoriness,strong resistance to erosion and thermalshock are mainly applied in EAF lining where directly contact with the molten steel and slag.
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Using sintered magnesite as main raw material,magnesia bricks are produced by high-pressuremolding process featuring good high temperature property and strong resistance to slag ofmetallurgical furnace.They can be widely used in permanent lining of converter and EAF,steelladle,regenerator lattice of glass kiln,lime kiln,non-ferrous metallurgical furnace,hot metalmixer and ferroalloy furnace.
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Roofs for electric arc furnaces are frequently subjected to attach of thermal shock,steel slag andgas (CO,CO₂,SO₂)erosion,high temperature,arc radiation and wear of dust flow formed by highspeed smoke dust in the furnace.The EAF delta and LF furnace roofs developed by JHCO adoptcement or cement free binding system using ultra fine powder technology and optimizedgranularity ratio.They have the features of thermal shock resistance,good erosion resistance andhigh longevity,are suited to EAF,LF and VD.
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Refractories








