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.
Steel flow bricks are widely used in a variety of steel (including stainless steel, alloy steel) flat steel. Products with high refractoriness, good resistance to cracking and strong resistance to erosion. Appearance regular, drip smooth, accurate size, the full range. Production of steel ladle lined steel lining, curved lining brick, firing and not burning head brick, cast brick, brick and brick.
REFRACTORY BRICK Refractory bricks refers to the brick whose Al2O3 contains from 30% to 80%, the contains of Al2O3 from 30% to 42% is call clay bricks, the contains of Al2O3 from 45% to 80% is call high alumina bricks. Typical Parameters Brief description Clay brick is refers to the Al2O3 content is 30% ~ 40% aluminum silicate. Clay brick is made of soft clay and 50% and 50% of hard clay grog, ingredients required by certain granularity, after forming, drying, burning under the high temperature of 1300 ~ 1400 .Clay brick belongs to the weak acid refractory products, can resist acid slag and the erosion of acid gases, the alkali resistance ability is a bit poor. Clay brick has good thermal shrinkage. High Alumina Brick selected calcined Bauxite and high quality combined clay as main raw materials. After shaped with brick machine above 600tons and fired at 1450-1470 °C , we can get this product. With high Al2O3 content, the product have good high temperature performance, so it is widely used in all kinds of industrial furnace and high temperature parts to prolong the life of furnace. Products advantage Clay Brick 1.Good acid stability 2.Good thermal performance 3.good thermal shrinkage 4.Good resistance to abrasion and corrosion High Alumina Brick 1. High refractoriness, High-temperature endurable. 2. Good corrosion resistance. 3. Good spalling resistance and wear resistance. 4. Good thermal shock resistance. 5. High mechanical strength. 6. High-temperature creep rate is low. 7. Good volume stability at high temperature. Typical Application Clay brick is suitable for secondary parts of coke oven, such as regenerator seal wall, small flue lining brick and regenerator checker brick lining brick, roof, door and rising pipe lining brick, etc.It is one of refractory brick used in blast furnaces, hot blast stove, heating furnace, power boiler, lime kiln, rotary kiln, ceramics. High alumina brick is mainly used for masonry in blast furnaces, hot air stoves, electric furnace roof, blast furnace and reverberatory furnace, rotary kiln lining. In addition, high alumina brick also widely used for open hearth regenerative checker brick, pouring system with plug head, gate brick, etc.
Refractory brick Refractory bricks refers to the brick whose al2o3 contains from 30% to 80%, the contains of al2o3 from 30% to 42% is call clay bricks, the contains of al2o3 from 45% to 80% is call high alumina bricks. Clay brick 1.Good acid stability 2.Good thermal performance 3.Good thermal shrinkage 4.Good resistance to abrasion and corrosion High alumina brick 1. High refractoriness, high-temperature endurable. 2. Good corrosion resistance. 3. Good spalling resistance and wear resistance. 4. Good thermal shock resistance. 5. High mechanical strength. 6. High-temperature creep rate is low. 7. Good volume stability at high temperature. Typical application Clay brick is suitable for secondary parts of coke oven, such as regenerator seal wall, small flue lining brick and regenerator checker brick lining brick, roof, door and rising pipe lining brick, etc.It is one of refractory brick used in blast furnaces, hot blast stove, heating furnace, power boiler, lime kiln, rotary kiln, ceramics. High alumina brick is mainly used for masonry in blast furnaces, hot air stoves, electric furnace roof, blast furnace and reverberatory furnace, rotary kiln lining. In addition, high alumina brick also widely used for open hearth regenerative checker brick, pouring system with plug head, gate brick, etc
Mortar is distinguished between heat-setting property and air-setting property. Heat-setting property displays strength by heating after installation and air-setting property displays excellent strength at the normal temperature. Therefore, it has better select air-setting mortar in case of need special strength at the normal temperature and we are supplying mortar of various type that is suited to installation condition and fire-brick.
Fused Spinel, AluminaMagnesia Spinel is ahighly recommended refractory raw material. Using our high-quality prereacted ALUMINAMAGNESIA SPINEL for developing high purity refractories in both monolithic and brick form. Our high quality Fused Spinel has high bulk density and great color. It has strong resistance to corroding and antidetonation. It adopts high pure MgO and Chemical Al2O3 to smelt by EAF. Application include but not limited to the proof of EAF, basic oxygen furnace, steel ladle, intermediate zone cement rotary kiln, etc. Characteristics: good temperature vibration, good strength and volume stablity in high temperature. Applications: They have been widely used in cement,glass,steel making and non-ferrous metal industries. MagnesiaSpinel Brickis widely usedfor glassfurnace,cement kiln,blast furnace,steel and non-ferrousmetal industry
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.
Checker bricks is strong is widely recognized and accepted by the world community an iron heat exchange capacity, large thermal storage area, ventilation smooth, heat regenerator many small thermal resistance and other superior characteristics. Checker bricks is a heat transfer medium, used in blast furnace stove heat storage room, usually ordered in thermal storage room, play a role in regenerative between "burning furnace cycle" in between "blast period" is Through the convective heat exchange and radiation heat exchange, the cold air heated to hot air. The checker bricks are mainly used in the regenerator of the hot blast stove, and the checker bricks are arranged in an orderly manner. According to the technical requirements of different temperature areas, the general use of silicon lattice brick, clay brick, etc., in some hot air stove, there are also selected high alumina brick, mullite brick etc.
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.
Andalusite brick contain Al2O3 more than 48%, which is made of high grade bauxite through high temperature calcinations. Its refractories is usually above 1770 °C. The main mineral components are corundum and mullite phases. It is a kind of neutral refractory material so that it enjoys excellent resistance to acid and alkali corrosion. According to Al2O3 content,it can be divided into three degrees:The Al2O3 content is more than 75%.The Al2O3 content range from 60% to 75%.The Al2O3 content range from 48% to 60%.
Magnesium aluminum spinel brick is a high-purity magnesia and pre-synthesis of magnesium aluminum spinel as the main raw material, a reasonable level, high pressure molding, high temperature after firing products. Magnesium aluminum spinel brick with low porosity, high strength, good thermal shock stability, corrosion resistance and other excellent features, the product of the transition zone and the burning zone with the material consumption, improve the life of rotary kiln lining. Characteristics: good temperature vibration, good strength and volume stablity in high temperature. Features: Itis 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. Applications: They have been widely used in cement,glass,steel making and non-ferrous metal industries. MagnesiaSpinel Brickis widely usedfor glassfurnace,cement kiln,blast furnace,steel and non-ferrousmetal 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 -
Checker bricks is strong is widely recognized and accepted by the world community an iron heat exchange capacity, large thermal storage area, ventilation smooth, heat regenerator many small thermal resistance and other superior characteristics. Checker bricks is a heat transfer medium, used in blast furnace stove heat storage room, usually ordered in thermal storage room, play a role in regenerative between "burning furnace cycle" in between "blast period" is Through the convective heat exchange and radiation heat exchange, the cold air heated to hot air. Z
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.
Silicon Carbide brick with the characteristics of high thermal conductivity, good wear resistance, thermal shock resistance, corrosion resistance. Can be used for aluminum electrolytic cell lining, molten aluminum and ceramic kiln kiln furniture, large and medium-sized blast furnace furnace body, furnace waist and furnace belly, aluminum refining furnace lining, zinc distillation tank lining.
High aluminum poly light brick with a small density, low thermal conductivity, thermal insulation performance, quality and stability characteristics. Can be used for all kinds of high-temperature furnace lining or insulation layer. z
Checker bricks is strong is widely recognized and accepted by the world community an iron heat exchange capacity, large thermal storage area, ventilation smooth, heat regenerator many small thermal resistance and other superior characteristics. Checker bricks is a heat transfer medium, used in blast furnace stove heat storage room, usually ordered in thermal storage room, play a role in regenerative between "burning furnace cycle" in between "blast period" is through the convective heat exchange and radiation heat exchange, the cold air heated to hot air. -
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 -
