Silica Brick For Coke Oven CMAX-4

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ItemSpeification
ASC-1ASC-2ASC-3
Al2O3 and MgO≥58Al2O3 and SiC≥80≥68
SiC≥10≥10
C≥6≥8≥10
Apparent porosity(%)≤10≤10≤10
Bulk density(g/cm3)≥2.65≥2.85≥2.98
Cold crushing strength(MPa)≥35≥50≥35
Modulus of rupture at room temperature≥2≥4≥2

   Alumina silicon carbide carbon brick using grade alumina, fused alumina, silicon carbide, graphite and high-pressure molding of additives, mainly for ordinary ladle, ladle desulfurization, Large torpedo car.

     Alumina silicon carbide carbon brick as a composite refractories, Effective use of the high thermal capacity and strong resistance to slag erosion and magnesia carbon, low expansion, the biggest drawback is compensated magnesia poor chipping resistance.

Specifications

SILICA BRICK FOR COKE OVEN
1. NASDAQ listed company
2.stock code: ANNC
3. many patent products
4.pass ISO,GB,YB,DIN




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Q:What role does silica play in refractories?
The production of clay brick refractory clay raw material is natural, its main mineral is kaolinite (formula Al2O3 - 2SiO2 - 2H2O), clay brick containing SiO2 in 45% ~ 65%, belongs to the weak acid refractory materials, have a certain ability to resist acid slag, but easy to be alkaline slag erosion.
Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
Tridymite content high thermal conductivity silica brick is 70%, tridymite content of traditional brick is 60%, tridymite content high thermal conductivity of silica brick than tridymite high content of 10% traditional brick,
Q:The brick is mainly used in the place?
Open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts.
Q:The production of brick, the ingredients of why join the waste brick
The amount of addition is related to the shape and weight of the brick. The bricks can be added to 20% weight less than 25kg; bricks above 25kg can be added to 30%; for the specific type of brick can be added 30%. into waste silica brick should pay attention to this problem
Q:Can not use it two brick
The softening temperature is up to 1640~1670 DEG C, and the volume is stable at high temperature for a long time.
Q:Why will expand when heated brick
In the process of SiO2 drying, the four crystalline transformation points of 117, 163, 180~270 and 573 DEG C are found, among which the volume expansion caused by the 180~270 is the largest.
Q:Why is the highest brick coke oven temperature measuring point temperature not exceeding 1450
Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.
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
The main damage of silicon carbide side wall brick is stress damage, not chemical erosion. Chemical damage is formed prior to the formation of the groove, and the damage to the chemical erosion is little after the formation of the groove.
Q:The production of brick, the ingredients of why join the waste brick?
The production of silicon material is added to the cause of waste brick:Preparation of silica brick pug, a certain amount of waste silica brick used to add ingredients, for the purpose of expansion and stress reduction products during firing
Q:Such purpose and scope please give me detailed points thank you because I am learning stage
Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.

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