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

$Silica Brick Refractory For Hot Blast Furnace$

$Silica Brick Refractory For Hot Blast Furnace System 1$

$Silica Brick Refractory For Hot Blast Furnace System 2$

$Silica Brick Refractory For Hot Blast Furnace System 3$

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:Can iron oxide be used as refractory material?: Iron oxide can not be used as refractory material, but it can be used as refractory additive. Iron oxide can be used as pigment

Q:How to improve the thermal conductivity of the coke silicabrick rate?: To improve the thermal conductivity of silica brick for coke oven rate method:Manufacture of high density and high thermal conductivity of silica brick, adding additives such as CuO, Cu2O, TiO2, Fe2O3, (FeO), can improve the thermal conductivity of silica brick.

Q:Because of the recent relates to this industry, by way of learning to name for all raw materials, I hope knowledgeable friends exhibitions, thank you.: Acidic materialMainly siliceous materials, such as quartz, tridymite and cristobalite, chalcedony, flint, opal, white quartzite, silica sand, diatomaceous earth, silicon oxide contained in these siliceous materials (SiO2) at least 90%, pure raw materials are silicon oxide as high as 99% or more. Siliceous materials at high temperature is the acidic nature of chemical dynamics, when the presence of metal oxide, or when in contact with the chemical reaction, and combined with a fusible silicate. Therefore, if there is a small amount of metal oxide in siliceous material, it will seriously affect its thermal resistance.

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 introduction of silica brick: The silica mineral phase is mainly composed of tridymite and cristobalite, there is a small amount of quartz and glass

Q:The hot blast stove when the temperature did not rise against the brick interface decreased: Insulation of hot blast stove, key insulation silica brick hot stove, hot blast stove is shutdown or need repairing in blast furnace.

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:How to judge the quality of brick, clay brick, high alumina brick furnace from the appearance?: Mainly from the impurities to determine how much, generally less impurity single color brick.

Q:Common bond brick?: Manufacturing for silica brick binder hi-li sulfate pulp waste liquid and lime milk. When lime milk is used as a bond, it acts as a plasticizer. To increase the strength of lime brick in the drying process, as mineralizer in the firing, promote the transformation of quartz.

Q:Can not use it two brick: Acidic silica brick refractory material, has good ability in acid slag erosion

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