Hot blast stove with low creep clay brick

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       热风炉用低蠕变粘土砖

项目
item

DRN—130

DRN—125

DRN—120

Al2O3, %

44

42

39

显气孔率,%
A.P.

18

20

22

体积密度,g/cm3
B.D.

2.30

2.15

2.10

常温耐压强度,Mpa
CCS

40

35

35

蠕变率,%(20—50h)
Creeping rate

0.2

0.2

0.2

重烧线变化,%(1400℃x4h)
P.L.C

0.1—-0.2

0.1—-0.2

0.1—-0.2

荷重软化开始温度,℃
RUL

1340

1300

1260


Product features: hot blast stove with low creep in yangquan bauxite clinker quality clay brick as the main raw material, after high pressure forming, high temperature sintering. Products high refractoriness under load, medium temperature creep resistance performance is good, is the hot blast stove in the area with the main raw material at low temperature.



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Q:Can refractory bricks be used when it cracks for 1cm
3, If the crack is caused by burning or drying, then it can't be used. While if the carck is caused by refractory brick molding, it still can be used. 4, the crack is caused by refractory bricks raw materials.
Q:With different capacitance magnesia brick brick?
Burnt magnesia brick is made of high quality sintered magnesia as main raw materials, paper pulp as binder. After mixing and high pressure molding, it is fired in a high temperature tunnel kiln over 1550 degrees celsius. It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.
Q:The difference between aluminium refractory and magnesia refractory
Aluminum refractory belongs to neutral refractory material, usually refers to silicon aluminum refractory materials, such as: high alumina brick, clay brick, high alumina castable and other products, the production of raw materials is mainly bauxite.
Q:How many years are the service life of chimney lining refractory brick?
Capacitance magnesite, seawater magnesite, should be the alkaline refractory brick, magnesia-alumina spinel can absorb hydrogen fluoride, generally are magnesia brick, magnesium iron ore, forsterite, dolomite, magnesium dolomite, magnesium silica sand, magnesia-chorme spinel and magnesia chrome sand: Magnesia mineral, magnesium calcium sand, magnesite, magnesium dolomite sand, dolomite, mainly is cordierite
Q:Is acid proof brick alkali resistant?
Absolutely neutral materials do not react with acids, nor react with alkalis, and do not react at higher pressures and temperatures. Of course, this condition is not endless.
Q:What are the environmental hazards of magnesia chrome refractory bricks?
Magnesia chrome brick with MgO and Cr2O3 as the main component of this kind of brick, high refractoriness, high strength, anti alkaline slag corrosion resistance, excellent thermal stability, has certain adaptability in industry wide application of now high temperature acid slag
Q:Application characteristics of high alumina brick
Load softening temperature. The softening temperature of high alumina brick products decreases with the increase of silica and alkali metal oxide content, but is higher than that of clay brick products, which is about 1420 - 1530 degrees centigrade. Al2O3. The softening temperature of corundum brick with content greater than 95% can reach above 1600 DEG C.
Q:What are the insulation materials for heating buried pipelines?
The thickness of insulation layer should be reasonable and economical. If the insulation layer is too thin, the heat loss will be increased; the insulation layer is too thick, and the surface area of the radiator will be increased, and the heat loss will also be increased. In general the design, determine the thickness of the insulation layer according to the factors of insulation material properties, heat medium temperature, often used for 40~50 mm thickness.
Q:What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
Small fluctuations in the chemical composition do not have a significant effect on use. The key is the operation of the electrolyzer in production to determine whether the side wall will be damaged.
Q:What is the sintering of non clay bricks?
According to the different production process of bricks into sintered brick and non sintered brick. Sintered brick in China has more than two thousand years of history, is still a very wide range of wall materials.

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