Light Weight Silica Refractory Brick for Hot Blast Furnace

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China main port
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
1000000 m.t./month

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Product Description:

Quick Details

Place of Origin:

Henan, China (Mainland)

Shape:

Brick

Material:

Other

SiO2 Content (%):

91

MgO Content (%):

0

CaO Content (%):

0

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

0

SiC Content (%):

0

Model Number:

QG1.2

Brand Name:

sunrise

size:

any size

Packaging & Delivery

Packaging Details:wooden pallet
Delivery Detail:2 months

Specifications

light weight fused silica refractory for hot blast furnace 
1)Good acid erosion resistance. 
2) High softening point with temp

light weight fused silica refractory for hot blast furnace

With dense and smooth appearance, uniform corner and edge, pure color and luster and accurate size

1)Good acid erosion resistance.

2) High softening point with temperature.

3) No shrink in burn repeatedly.

 Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products

Item

Brand  

Index

Light weight silica  brick

QG-1.2

SiO2≥

91

Refractoriness

1670

RUL(0.2 MPa)T1, °C

1560

Apparent Porosity%≤

≥45

Cold Crushing Strength Mpa ≥

3.5

True Density g/cm3 ≤

2.39

Bulk Density g/cm3 ≤

1.20

Our factory product various kinds of refractory products. The products can be made according with the customers' requirement 

Light Weight Silica Refractory Brick for Hot Blast Furnace

Light Weight Silica Refractory Brick for Hot Blast Furnace

Light Weight Silica Refractory Brick for Hot Blast Furnace

Light Weight Silica Refractory Brick for Hot Blast Furnace

Light Weight Silica Refractory Brick for Hot Blast Furnace

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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:Common bond brick?
Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.
Q:The hot blast stove when the temperature did not rise against the brick interface decreased
Different insulation methods can be adopted according to the length of the stop time and the location and equipment of the overhaul. Gold, refractory material factory specializing in the production of various specifications of brick
Q:The chemical composition of silica brick and its physicochemical index?
Brick refers to the refractory products in more than 93% of the content of SiO2
Q:What are the materials for refractory materials? What are their names?
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:The difference between clay refractory bricks and refractory brick in the application.
Brick bearing soft temperature and close to the melting point, high temperature strength, can be in high temperature (above 1400 degrees) under the condition of long-term use, but the anti alkali erosion ability, thermal shock stability is the worst, a scrap. The brick is generally used in the coke oven, glass kiln. Other industries basically do not use.
Q:How much is the highest melting point of silicon?
. 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. The total volume of heating to 1450 DEG about 1.5~2.2% expansion, the residual expansion will make cutting seam sealing, ensure masonry tightness and good structure strength, so that the brick load softening temperature will reach 1750 degrees Celsius above 1620 degrees in the case of the highest melting point.
Q:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick with silicon oxide content, low melt index, mainly used for glass kiln crown, parapet, wall hanging, small furnace arch superstructure and regenerator.
Q:Why is the three oxidation of two silicon is very harmful impurities in silica brick
Heating calcination is the best way to extend this sort of impurity removal. Remove impurities
Q:The difference between clay refractory bricks and refractory brick in the application??
Brick bearing soft temperature and close to the melting point, high temperature strength, can be in high temperature (above 1400 degrees) under the condition of long-term use,

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