fireclay insulation brick high alumina insulation brick mullite insulation brick bulk density: 0.5-1.0 g/cm3
SiO2: 95% for coke oven, blast furnace, glass furnace.
Silica bricks are the main species of silica-based refractories, where the mass fraction of sio2 is not less than 93%. Silica brick is a typical acid refractory bricks, the acid slag has a good resistance to al2o3, feo, fe2o3 and other oxides also has good resistance, but the resistance to alkaline slag is poor, easy to cao, k2o, na2o and other oxides and damage. Silicone brick softening temperature as high as l640-1680 â??, long-term use at high temperatures more stable. But the thermal resistance of silicon brick is poor, refractoriness is not high enough.
Corundum brick (sintered corundum brick) with dense alumina clinker as raw material made of corundum brick. The brick has a high melting point, stable performance at high temperatures, room temperature and high temperature mechanical strength and wear resistance is good. Anti-metal erosion and anti-oxidation, superior performance. z
High alumina firebricks are classified according to the alumina content which is from lowest 48% to highest 95%, manufactured from mineral of bauxite, corundum, etc. By mixing, press-forming, drying, sintering and machining. High alumina bricks feature stable mechanical strength and thermal shock resistance, with high refractoriness of no lower than 1880¡æ, high alumina bricks are commonly used as refractory lining exposed to heat directly or backup insulation linings in various types of industrial kiln or laboratory furnace. Wooden pallets
Al2O3: 42-99% refractoriness min 1790 bulk density: 2.1-3.0 apparent porosity: 24-17%
Copper Smelting furnace use High Alumina Corundum Fire Brick have stable quality and excellent durability.Copper Smelting furnace use High Alumina Corundum Fire Brick are made mainly of calcined alumina, mullite, corundum of high purity.Copper Smelting furnace use High Alumina Corundum Fire Brick have low porosity, excellent hot strength and creep resistance, and good volume stability at high temperature, Copper Smelting furnace use High Alumina Corundum Fire Brick have been developed to meet the most demanding specifications for various industrial applications. Brand Properties HT-98 HT-95 HT-90 HT-85 Chemical Composition (%) Al2O3% 98.5 95 90 85 SiO2% 0.3 3.0 9.0 13 Fe2O3% 0.2 0.2 0.5 0.5 Apparent Porosity (%) 18 18 18 20 Bulk Density (g/cm3) 3.1 2.95 2.9 2.75 Cold Crushing Strength (MPa) 90 80 80 70 Refractoriness Under Load (�ºC) 1700 1650 1650 1700 Permanent Linear Change (%) 0.1 0.2 0.2 0.3 Main Applications Carbon reactor furnace Pertrochemical furnace Industry ceramic kiln Refractory tunnel kiln Various high-temp Furnace Copper Smelting furnace use High Alumina Corundum Fire Brick 1.High refractoriness, 2.High-temperature endurable. 3.Good corrosion resistance. 4.Good spalling resistance and wear resistance. 5.Good thermal shock resistance. 6.High mechanical strength. 7.High-temperature creep rate is low. 8.Good volume stability at high temperature.
Zircon brick is suitable for working under pressure with its good thermal shock resistance. In metallurgical industry, zircon brick is widely used in ladle lining, casting export, high temperature induction furnace lining and so on. With the strong resistance to acid slag and glass liquid, in glass industry, zircon brick is applied to severely damaged parts of glass furnace. In addition, crucible, pipe, boat, dish and test container made by zircon brick are widely used in place related to high temperature. Zircon brick with high density and low porosity is suitable to the liner of glass furnace of glass fiber.
Fire clay bricks are the most widely used refractories made from clay minerals. It can be easily located out in the nature and contains suitable content ratio of silica, cyanite and alumina. Some people call them fireplace bricks as they are usedor building cooking chamber in wood fired ovens, for creating fireplaces, all sorts of fire boxes and wood heaters lining, linings in a small or the hugest industrial furnaces, you name it. Fire clay bricks have low porosity and are durable for various re-heating process.
An anchor brick for an industrial furnace top, comprising a cylinder consisting of a hanging end and an anchor, a spaced-apart groove formed on the surface of the anchor, and a rib in the longitudinal direction on at least one surface of the anchor , after the installation of ribs, due to the reinforcement and pulling effect of the bar, the tensile strength of the anchor is significantly improved, the stress generated at the groove in the ribs can not continue to pass the barrier, so the structure of the anchor brick is not easy fracture occurs.
Vermiculite insulation brick is widely used in construction, shipbuilding, metallurgy, electric power, aerospace and other fields, the specific application in: 1, fire door core; 2, senior kitchen utensils, furniture; 3, hull plate; , Ventilation system; 5, commercial banks, libraries, hotels, restaurants, entertainment venues, senior residential, ordinary residential, etc .; 6, furnace insulation; 7, fireplace insulation; 8, industrial insulation materials. Excellent anti-fungal, moth-edged; can be sawed, nailed, planing, drilling, easy to install and construction
Refractory and insulating bricks has low thermal mass which means that it does not retain heat, low thermal conductivity and is an extremely effective insulation material. Dita refractory and insulating â product family is a group of lightweight, thermally efficient ceramic fiber insulating materials that combine the advantages of dimensional stability at high temperatures with complete resistance to thermal shock. Featuring a broad range of thermal capabilities and physical characteristics, this product family provides proven and effective solutions to a variety of heat processing applications.
Corundum brick and chrome corundum brick is the petrochemical industry gas furnace and the furnace key refractory lining material. Corundum brick is α-Al2O3 as the main component of the special refractory material, has been widely used in high temperature, high pressure, chemical erosion and mechanical wear serious ammonia gasification furnace, ethylene engineering gas furnace, carbon black reactor and other important petrochemical heat The lining of the device. Chromium corundum brick is pure Al2O3 and Cr2O3 as the main raw material synthesis, compared with pure corundum brick, it has better performance, such as refractoriness, load softening deformation temperature, bending strength, high temperature creep, high temperature volumetric stability And resistance to slag corrosion.
Corundum brick and chrome corundum brick is the petrochemical industry gas furnace and the furnace key refractory lining material. Corundum brick is α-Al2O3 as the main component of the special refractory material, has been widely used in high temperature, high pressure, chemical erosion and mechanical wear serious ammonia gasification furnace, ethylene engineering gas furnace, carbon black reactor and other important petrochemical heat The lining of the device. Chromium corundum brick is pure Al2O3 and Cr2O3 as the main raw material synthesis, compared with pure corundum brick, it has better performance, such as refractoriness, load softening deformation temperature, bending strength, high temperature creep, high temperature volumetric stability And resistance to slag corrosion.
Zircon brick is a high-technology material used for industrial applications because of superior mechanical, thermal, electrical, chemicaland optical properties. It is widely used in the high erosive zones of glass furnace, chemical industry, and metallurgy industry.
Magnesia Chrome brick is a kind of alkaline refractory product with periclase as main phase magnesite-alumina spinel clinker as basic material. the product has such characteristics as good temperature vibration, good strength and volume stablity in high temperature. Application: Widely used for many industrial furnaces and kilns such as cement kilns,open-hearth furnace and melting furnace for nan-ferrous metals Physical properties 1.Low thermal conductivity 2.High refractoriness 3.High flexibility 4.Strong abrasion resistance 5.High chemical attack resistance 6.Outstanding coating friendly Items Index MgO,% 82 76 72 75 70 60 70 75 80 Cr2O3,% 8 8 8 12 12 12 9 6 4 SiO2,% 1.5 2.5 3 1.5 2.5 3.2 2.8 2.8 2.5 Apparent Porosity,% 17 18 19 17 18 19 19 18 18 Bulk Density,g/cm3 3 2.95 2.95 3.05 3 3 3 2.95 2.93 Cold Compressive Strength,Mpa 45 45 45 45 45 35 40 40 40 Refractoriness Under Load, ºC 1700 1700 1650 1700 1700 1580 1600 1600 1600 Thermal Shock Resistance,cycles(950 ºC,air cooling) 80 80 60 80 60 60 60 60 60 Thermal Conductivity,w/m.k(1000 ºC) 2.8 - - 2.8 - 2.8 2.8 2.9 - Thermal Expansion,%(1400 ºC) 1.5 - - 1.5 - 1.5 1.5 1.4 -
The cordierite brick contains cordierite material,it is a high-alumina refractory product. Made of high alumina raw materials, synthetic cordierite and binder. The thermal shock stability of the product is very good, can be used as ceramic kiln furniture, heat exchangers, catalyst for the purification of exhaust gas. Cordierite brick is a novel refractory material, it has a high refractoriness, good thermal shock resistance, high load softening temperature, small expansion coefficient, long life and other fine features, the company widely used in light industry ceramic industry (tunnel kiln Car, brick kiln, push plate kiln, push plate kiln, a variety of sagger) and other kilns, could replace the clay, high aluminum material.
Sillimanite brick based on pure sillimanite raw material, was produced by our unique forming and firing process, featured with â high temperature resistance, very lower porosity and excellent thermal shock resistance . -
Silica mullite brick is a special high-alumina bauxite and silicon carbide as raw materials, made by a special sintering process, with a strong high wear resistance, thermal shock stability characteristics, in the course of the formation of protective layer, and other characteristics. Mainly used for cement rotary kiln transition zone, decomposition zone. Feature: High refractoriness under load Highâ temperature resistance Lowâ thermal conductivity Good insulatingâ property High flexibility Proper bulk density -
Magnesium zirconium brick with high purity fused magnesia and synthetic magnesia zirconium as raw material, high pressure molding, high temperature firing, the microstructure, the main mineral phase for the magnesite, forsterite and oblique zircon, alkali metal , oxides and sulfides, etc. With excellent resistance to erosion, used in glass kiln regenerator lattice in the upper part of the body, no clogging and collapse phenomenon. Life of up to 8 years or more. -
