Fireclay Brick with 31% Al2O3 Content System 1

Fireclay Brick with 31% Al2O3 Content System 2

Fireclay Brick with 31% Al2O3 Content

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 17 m.t

Supply Capability:: 10000 m.t/month

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General Information
CMAX high alumina firebricks are classified according to alumina content ranging from 48% to 90%.

High alumina ceramic refractory brick for blast furnace

Ceramic refractory brick description

Henan sansong porcelain co is specialized in high alumina high strength ceramic refractory brick, together with honeycomb ceramic heat exchanger, has been widely used to industrial furnaces or blast furnace with regenerative technology

They are available in various size and shapes

Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.

Feature
Low thermal conductivity
Excellent acid and base slagging resistance
High refractoriness
Excellent thermal shock resistance
Excellent mechanical strength

High corrosion resistance

Good spilling resistance

High cold crushing strength

Excellent abrasion resistance at cold and hot conditions

High refractoriness

High mechanical strength

Application
CMAX high alumina bricks are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln, regenerator, etc

ITEM	UNF42	UNF46	ZGN42	RN40	TDL45-12
Refractoriness, ℃	1730	1750	1750	1730	1760
Bulk Density, g/cm³	2.15	2.25	2.3	2.15	2.37
Apparent Porosity, %	22	20	15	24	12
C.C.S, Mpa	30	35	58	28	68
Refractories Under Load (0.2Mpa)，℃	1400	1420	1450	1430	1500
Reheating Linear Change, %	1400℃x2h 0.1～-0.4	1430℃x2h 0～-0.1	1450℃x2h 0～-0.2	1350℃x2h 0～-0.3	1450℃x2h -0.1～+0.05
Al₂O₃ Content , %	42	46	42	40	45

$Refractory Fireclay Brick with Al2O3 Content around 31%$

Q: what is consequence of high load and soft low of high alumina refractory brick ?: softening, if not up to the design requirements, may cause vicious incident like the collapse of the stove in use. the full name is softening temperature under a fixed load, as the name suggests, it is the softening temperature after adding the load.

Q: What kind of refractory brick is suitable for 24*28m rotary kiln of 5,000 tons?: Magnesium spinel

Q: What are the differences between fireclay brick and high alumina refractory brick?: One is the high alumina, solid and hollow respectively, fused mullite as main raw material made of high-grade refractory materials, strong corrosion resistance, has the advantages of through mud treatment, good thermal shock stability. Good resistance to slag, used to build steel making furnace and glass furnace. High alumina brick is a kind of refractory material. Clay brick is also known as sintered brick, electric smelting corundum and low creep high alumina brick [1] with high grade bauxite, this kind of refractory brick's main component is AL2O3, which is suitable for large and small buildings with artificial bulk. High thermal stability. A neutral refractory material with more than 48% of alumina oxide content, clay brick has clay (including shale, molding, coal gangue and other powder) as the main raw materials, cement rotary furnace lining. The product has a small high-temperature creep, one is clay. From bauxite or other high content of aluminium oxide raw materials' forming and firing, refractoriness is above 1770 deg. High R.U.L and medium-sized hot-blast furnace is different firstly in the material, forming from drying and roasting

Q: General used refractory brick T-20 / T-39/ T-206 specifications and dimension: No T-206 model (we produce the clay) T-20 and T-39 are the size of 230*length, 113* width and 65/45 thickness, T-20 is a vertical arch brick and T-39 is horizontal arch brick.

Q: Should refractory cement hang inner core when use carbon steel pipe make water heating hearth by self?: I think it shouldn't. There is no refractories used for circulation pipe inside the boiler, and there is how long distance between pipe and coal fire

Q: What bricks are used for constructting refractory bricks tunnel kiln what is the material of each burning zone brick: Refractory brick tunnel kiln, but if you want fire magnesia-chrome bricks, it may soon be finished, but the energy saving effect is good, using mullite bricks to sinter high alumina brick tunnel kiln burning zone is ok. Of course, if sintering is different, the refractotry bricks require different the kiln shape of tunnel kiln, preheating zone and cooling zone use high alumina brick and clay brick. what kind of products will be sintered in the future, clay brick firing zone had better use alumina hollow ball brick and mullite bricks How high the daily design capacity to achieve, thermal insulation can not be ignored, if firing silica?brick, then I am afraid there are only few finished burning bricks, what 's the purpose of the actual operation of the tunnel kiln you will build Different design of tunnel kiln use different brick, generally sintering high alumina brick and clay brick require good kiln, the cost is also very different, for example, because although the cost is higher, in addition operation is very important for the using effect and service life of the furnace, but the design of kiln type must be reasonable, otherwise it can not reach the expected effect, for example, the highest sintering temperature to achieve

Q: Can red bricks be burned in tunnel kiln which used to burn refractory brick?: It can be used to burn the red brick, as long as the temperature is almost the same

Q: Can you direct the clay brick walls embryo: Must not。 Not damp, damp, air tight, poor pressure bearing, bad adhesion between bricks and bricks

Q: 1200 degrees inside the furnace, lay a layer of refractory brick, what is the temperature outside?: except refractory brick, refractories include refractory concrete (refractory cement+aggregate), fire-resistant insulating layer (refractory cement+vermiculite powder or refractory cement + diatomaceous earth) and so on.

Q: What material does tile tunnel kiln use to replace the refractory brick to have better insulation effect and save the maintenance and prolong the service life?: The price is high, but the the service life is not longer than the clay brick, some use high aluminia brick. Currently, there are no refractory products that can replace refractory bricks. The effect is good of choosing fireclay brick with high strength dense, low porosity clay brick. We have maken several lines of refractory bricks. Actually, if you choose good refractory brick, the service life will be very long. The kiln temperature is not high.

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