$Fireclay Brick - Refractory Fire Clay Brick System 1$

$Fireclay Brick - Refractory Fire Clay Brick$

$Fireclay Brick - Refractory Fire Clay Brick System 1$

Fireclay Brick - Refractory Fire Clay Brick

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General Information

Fireclay bricks are made from clinker clay. The alumina content ranges from 36% to 48%.

Feature
Low thermal conductivity
High refractoriness
High mechanical strength
Excellent thermal shock resistance

Application
Fireclay bricks are commonly applied in blast furnace, hot blast furnace, teeming ladle, glass furnace, etc.

Item	Index
Item	SK-30	SK-32	SK-34	SK-35
AL2O3 %	30	35	38	45
Fe2O3 %	2.5	2.5	2	2
Refractoriness(SK)	30	32	34	35
Refractoriness Under Load, 0.2MPa, (°C )	1250	1300	1350	1400
Apparent Porosity (%)	22-26	22-26	20-24	20-22
Bulk Density (g/cm³)	1.9-2.0	1.95-2.1	2.1-2.2	2.15-2.22
Cold Crushing Strength (MPa)	20	25	25	30
Thermal Expansion at 1000°C (%)	0.8	0.6	0.6	0.5

Note:

Q: Why can earth make bricks?: In addition to clay, or as raw materials for preparation of brick by using fly ash, coal gangue and shale, which is due to their chemical composition similar to clay, but because of the fineness of less clay, so the poor plastic bricks often to be mixed with a certain amount of clay, in order to increase the plasticity. The use of coal gangue and fly ash and other industrial waste residue brick, not only can reduce the environmental pollution, saving large areas of farmland clay, and can save a lot of fuel coal. Obviously, this is an effective way to use the waste materials and make waste into treasure. In recent years, non sintered brick has been developed both at home and abroad. Such as non sintered clay brick is used is not suitable for farming, waste mud and sand soil, adding a small amount of cement or lime as solidifying agent and trace additives and the amount of water mixing, molding, natural curing or steam curing time is.

Q: Can someone tell me the refractory brick in the boiler mixed with what material to build the wall, and what proportion?: Go to the refractory factory to buy some refractory clay that has the same texture of refractory bricks, the general boiler use clay refractory mortar.

Q: How to classify light refractory bricks?: 0, perlite insulation brick.2 and so on; according to bulk density, the same lightweight refractory materials can be divided into 0, poly light high aluminum, lightweight brick. Light brick and alumina hollow ball brick.8, 1, 1 light refractory brick generally is classified according to the raw material composition and bulk density

Q: What are the disadvantages of sintered clay bricks?: Advantages: brick is the traditional wall materials, has high intensity and durability, but also because of its porous and has the advantages of heat insulation, sound insulation and absorption, therefore suitable for building envelope, interior walls, exterior walls, columns, arches, chimney, channel and other structures have been widely used in masonry the building, is also available in mid proper or steel wire reinforced masonry concrete structure to replace the post and lintel.

Q: What refractory mortar is better if masonrying 4 meters height and 114 mm width of refractory brick: Use high aluminum refractory cement!

Q: What are needed to make refractory bricks with micro silica?: Micro silicon powder is used in mortar and concrete, the ore-smelting electric furnace produces a large amount of strongly volatile gases SiO2 and Si, bridges, seaports. It is ferroalloy. When smelt ferrosilicon and industrial silicon (metallic cilicon), micro silicon power is also called silica fume or condensed silica fume, dam, gas emissions and air condensate and deposit by rapid oxidation, water conservancy, airport runway, tunnel, high-rise buildings, subway, railway, highway and culvert. Application fields of silicon power are cement concrete pavement and mine roadway anchor reinforcement and etc.

Q: T38 size of high alumina refractory brick: 230*114*65/55

Q: what kind of refractory brick is suitable for 1300 degrees converter?: High alumina bricks of above 3 grade, containing more than 60% aluminum

Q: Can you direct the clay brick walls embryo: Times are different, where there is no modern calcination process. With glutinous rice water in the soil, but glue well, but there is no comparable with cement and other building materials. Not long, can not withstand weathering.

Q: What can be applied to the burned refractory brick to resist heat shock?: Acidic refractory material use monox as the main component, among which cilica brick and clay brick are commonly used. Silica brick is silicious product containing monox more than 93%, whose raw materials include silica, waste silica brick scrap and etc. The acid resistance of slag erosion ability is good, and the softening temperature under a fixed load is high. The volume won't shrink after repeated burning, but even a slight expand; but it is vulnerable to the erosion of basic slag, and has low thermal shock resistance. The silica brick is mainly used for coke oven, glass melting furnace, acid hearth furnace and other thermal equipments. Clay brick uses refractory clay as the main raw material, containing 30% to 46% of aluminuum oxide, belong to weakly acidic refractories. It has good heat shock resistance and corrosion stability to acid slag, and it's widely used. Neutral refractory materials use aluminum oxides, chromium hemitrioxides or carbons as the main components. Corundum products containing more than 95% of alumina is a kind of high quality refractory material with wide application.

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