A brief introduction of silica brick Silica brick is a kind of acid refractory mainly made from tridymite, cristobalite and a small amount of residual quartz as well as glass phase. The raw material is natural silica sand whose SiO2 content should be more than 96%. The higher SiO2 content in silica sand, the higher temperature silica bricks resist. Silica bricks are used in the roof and superstructure of glass melting tanks as well as for hot repairs. Our silica brick advantages --Adopts high quality silica and advanced technology, our silica bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance. --In addition, it has accurate size tolerance, pure color and luster appearance. --Because of the good thermal shock resistance of silica brick, it is mainly used in the continuous operating furnace. --Supporting the use of other high quality refractories, our silica brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace. Applications The silica brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In detail, silica bricks plays the following role in different fields: --being the partition walls in coke oven carbonization and burning chamber; --metallurgy industry: used as refractories for steel making open hearth regenerator, slag pocket, soaking pit; --arch crown and other weight bearing areas in ceramic kilns, hot blast furnace and acid open hearth; --worked as building checker chamber, chute, combustion chamber, coking chamber and furnace arch in glass melting furnaces. Specifications 1.Higher SiO2 content of more than 96%, with true density of 2.34g/cm3, thus it has good performance in corrosion of acid slag. 2.Excellent resistance in high temperature. The melting temperature under load is 1620-1670â??. Durable, with no deformation under high temperature. 3.Good thermal shock resistance, High heat conductivity. 4.At 1450, there is 1.5-2.2% overall expansion which makes the joint-cutting dovetailed, thus silica bricks have good air tightness and strong structure.
Description Adopts high quality silica and advanced technology, our silica bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance. In addition, it has accurate size tolerance, pure color and luster appearance. Because of the bad thermal shock resistance of silica brick, it is mainly used in the continuous operating furnace. Supporting the use of other high quality refractories, our silica brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace. It is widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. Applications The silica brick can be widely used in coke oven, hot blast furnace, glass furnce and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In metallurgy industry, it is adopted as the nozzle brick. The main applications Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace High temperature part of coke oven. Specifications High purity Long service life Accurate size tolerance Pure color Luster appearance Advantages Good thermal conductivity High refractoriness under load Good creep resistance High refractoriness
Description The low Porosity fireclay Bricks are made of super calcined flint clay and calcined bauxite, With high Pressure formed and high temperature sintered. Due to its low apparent porosity, Strong resistance to erosion and high refractoriness under load,They are wildly used in Glass kiln,Blast furnace, Metal mixer Furnace,Hot metal mixer ladle,Coke dry quenching devices , etc. Specifications 1. Low bulk density, low thermal conductivity, good thermal performance. 2. Refractory category allow direct contact of fire, suitable for various atmosphere 3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
Magnesium silicate insulation board : The board has a high structural strength, low deformation after sintering, good insulation properties and resistance to moisture. It retains its physical properties during operation at high temperatures. Installation of this board imparts volume stability to the complete lining, reduces the shell temperature of the furnace, and eliminates stresses within the bricks thereby ensuring safe operation of the furnace and effectively saving energy. This product is mainly used for applications in the metallurgical and building industries, for furnace insulation and for fire resistance, etc.. The shell temperature of a ladle in which magnesium silicate insulation board is used as the lining is much lower than that of a normal ladle. The average reduction in shell temperature is 75c and the maximum reduction in shell temperature can be as much as 120c. The use of this board therefore helps to eliminate deformation of the ladle shell and improves greatly the operating environment within the ladle. The rate of temperature loss of the molten steel is lower than that of a normal ladle, typically an average of 0.3~0.5c/minute. This shows that the heat retention of the molten steel is quite high, thereby reducing heat losses and saving energy and also ensuring a smooth continuous casting process due to the constant temperature and casting rate of the steel.
For refractory materials, sintering is very important, whether it is natural raw materials, or synthetic raw materials, have to be burned, to sinter before use, fire-retardant refractory products is to achieve the date of sintering. Unshaped refractory materials in the process of gradually sintering. From a process point of view, sinter is a sturdy, low porosity (almost airless 7L) stone made from a powder at high temperatures. Refractories degree of flexibility of the signs, usually with the object size reduction (the so-called shrinkage), reduced porosity and bulk density increased to measure. Sintering is mainly due to the strengthening of refractory material, the inevitable result of increased contact between the particles. Sintering (intrinsic) has the following processes: changes in the shape of the pore size phase; crystal growth, residual stress (suppression) reduction and equilibrium; liquid phase formation; redistribution of phase space; In many cases, sintering accompanied by multi-phase transformation of certain phases, solid-phase chemical reactions or liquid-phase reactions. The reaction forms a new phase and a solid melt. The final cooling complicates the enumeration process, with some of the opposite processes occurring. Multi-product changes, melt crystallization and crystallization pressure may occur, the formation of the glass phase and other phenomena. Like the lower temperature drop, the refractory material produces stress and often produces macroscopic defects so that the refractory products are discarded. Temperature gradients, temperature change rates, phase and concentration gradients, atmospheres, high frequency field effects, vibrations and other conditions in a refractory body all depend on the temperature. Even within the refractory material. y1 its temperature changes have a very complex phenomenon, can not fully enumerate the occurrence of the process
Description Silimanite brick is a kind of refractoriness which made by silimaniteand other minerals. And silimanite can be transformed to be mullite under more 1500 high temprature. Applications Silimanite brick are mainly used in high temprature furnaces, such as glass melting furnace, etc The main applications are: 1, rider arches 2, forehearth superstracture 3, bushing for rochwool and fiber glass Specifications 1, dense structure 2, good thermal shock resistance Advantages 1, corrosion-resistant; 2, high quality
Feature It is mainly made of top class silica, via shaping and burning under the high temperature, possesses high temperature resistant, high strength and low impurities, etc. â?º Advantage: 1) Good thermal insulaton effects 2) Good acid erosion resistance. 3) High softening point with temperature. 4) No shrink in burn repeatedly. Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products. Application: The main applications are the low temperature parts such as blast furnaces and hot blast furnaces, waste incinerators and glass melting furnaces.
What's Fused Cast The term Fused Cast refers to a manufacturing process in which the ceramic bonding is obtained by the solidification of a mixture which has been melted in an electric furnace and cast in liquid state into molds. Fused Cast AZS Blocks Introduction AZS fused cast block is also called fused cast block which is abbreviated as AZS because it contains Al2O3ZrO2SiO2. Fused cast AZS block is made from pure alumina powder and Zircon sand (composed of 65% zirconia and 34% SiO2). After Alumina powder and zircon sand melting in electric furnace, they are cast into various molds and cool themselves down to become white solid. Because of the different content of Zirconia from 33%-41%, our fused cast AZS blocks can be divided into three types 33,36 and 41. TY-AZS33 Description Fused cast AZS 33 block has dense micro structure which ensures its great resistance in glass liquid, thus you donâ??t have to worry about the solidification and other problems. It is widely applied to glass furnace for superstructure, working pool side wall, paving blocks, feeder channels, tank bottoms, C-shaped block and doghouse crown,etc. Advantages 1. Compact microstructure 2. Good erosion resistibility to molten glass 3. Good thermal shock resistibility,high compression resistance 4. Barely rendering blister 5. A variety of formats and shapes for furnace different working areas
Main mineral component of corundum brick is corundum phase, it has excellent physical property in high temperature, resistance to chemical corrosion. It is widely used in lining of ovens of petrochemical industry; bottom of steel rolling mill and in the second-stage converters of the 300000t ammonia synthesis furnaces, steel notch. Application: Fused corundum block is mainly used in key parts of the industrial furnace that require high abrasion and temperature resistance, such as gliding rail bricks in steel pusher metallurgical furnaces, the tapping platform (tapping spout) style walking beam furnaces, and also as the interior for destructors.
Specifications: 1.Magnesia brick refractory 2.Ccs:60mpa, rul:1700 3.Good erosion resistance 4.High quality 5.Reasonable price Â?ºmagnesia brick features: Excellent performance of basic slag resistance, high refractoriness, thermal stability, anti-erosion and anti-peeling Excellent strength of pressure bending, abrasion proof Excellent performance of high-temperature firing, high rates of associative property, anti-erosion ability Excellent thermal shock resistance and spalling resistance Excellent ability of high refractoriness, anti-erosion of alkaline residue; High temperature load of refractoriness under load. High mechanical strength High temperature resistance excellent corrosion resistance Resistance to spalling It is basic refractory which the main phase is periclase. The product has such characteristics as high temperature resistance. Good slag resistance. Strong corrosion resistance and steady volume in high temperature. Â?ºapplication: Magnesia brick is characterized by high refractoriness, good alkali resistance and superior refractoriness under load, and it is mainly applied to the regenerators of glass kilns and other high temperature furnaces. -
