$Silica Brick Refractory For Hot Blast Furnace System 1$
$Silica Brick Refractory For Hot Blast Furnace System 2$
$Silica Brick Refractory For Hot Blast Furnace System 3$

$Silica Brick Refractory For Hot Blast Furnace$

$Silica Brick Refractory For Hot Blast Furnace System 1$

$Silica Brick Refractory For Hot Blast Furnace System 2$

$Silica Brick Refractory For Hot Blast Furnace System 3$

Silica Brick Refractory For Hot Blast Furnace

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Specifications

1. Profession manufacturer with 25 years experience
2. Silica refractory brick
3. High quality and low price

Silica Brick Description

High quality silica a brick is made of silicon raw material, the content of SiO2 is above 95%. And the content of Al2O3 is below 1.0%. Our factory produces various kinds of refractory products. The products can be made according with the customers' requirement.

Silica Brick Advantage:
1) Silicon oxide is above 95%.
2) Good acid erosion resistance.
3) High softening point with temperature.
4) No shrink in burn repeatedly.
5) Temperature of refractoriness under load is above 1650º C
Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.

Application of silica brick:

They are widely used for hot blast furnace, coke oven, and glass furnace. The products can be made according to customers' requirement.

Silica Bricks specification:

Item	Coke Oven Silica Brick	Glass Furnace Silica Brick		Hot Blast Stove Silica Brick
Item	JJG-94	JBG-95	JBG-96	JRG-95
SiO₂ %	94.5	≥95	≥96	95
Fe₂O₃ %	1.5	≤1.0	≤1.0	1.3
CaO %	2.5	2.2	2.2	2.2
Refractoriness °C	1790	1790	1790	1790
Refractoriness under load T1,°C	1650	1650	1660	1650
Apparent porosity %	22(24)	22(24)	22(24)	22(24)
Cold crushing strength Mpa	40(35)	35(30)	35(30)	35(30)
True Density g/cm³	2.33	2.32	2.33	2.34
Thermal Expansion %	1000°C 1.28(1.30)	1000°C ≤1.25	1000°C ≤1.25	1000°C 1.26
Residual Quartz %	1.0	1.0	1.0	1.0

$Silica Brick Refractory For Hot Blast Furnace$
$Silica Brick Refractory For Hot Blast Furnace$

Q:The chemical composition of silica brick and its physicochemical index?: The physicochemical index of silica brick:Turn left to |

Q:High temperature refractory material?: Many kinds of refractory materials, usually by refractoriness level is divided into ordinary refractory materials (1580 to 1770 DEG C), advanced refractories (1770 to 2000 DEG C) and special refractories (more than 2000 DEG C); according to the chemical characteristics into acid refractory material, refractory materials and basic refractory materials. In addition, the refractory material used for special occasions.Now the definition of refractory materials, has not only depends on whether the refractoriness at 1580 DEG. Refers to the current refractories used in metallurgy, petrochemical, cement, ceramics and other production equipment with inorganic non-metallic materials.

Q:The formula in the refractory brick, and firing curve, who knows?: By silica powder, 81-85%, perlite 15-19%, plus the total weight of the main raw materials of the following accessories

Q:Glass kiln brick for physical and chemical indicators?: Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.

Q:The specific content is what gb/t2608-2012 brick: The provisions of the brick classification, technical requirements, test methods,

Q:Such purpose and scope please give me detailed points thank you: Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.

Q:The introduction of silica brick: Acidic silica brick refractory material, has good acid resistance and slag erosion, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature.

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 introduction of silica brick: An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance. Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into quartz in the body. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.

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.

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