Glass Furnace Acid Resistant Refractory Silica Brick

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
15 m.t.
Supply Capability:
30000 m.t./month

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General Information

The silica brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In metallurgy industry, it is adopted as the nozzle brick.

 

Features

1.High purity

2.Long service life

3.Accurate size tolerance

4.Pure color

5. Luster appearance

6..Good thermal conductivity
7.Good creep resistance

Applications

1. Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace

2. High temperature part of coke oven.

 

Physical and chemical index

Item

BG-94

BG-95

BG-96A

BG-96B

Chemical composition

SiO2

≥94

≥95

≥96

≥96

Fe2O3

≤1.5

≤1.5

≤0.8

≤0.7

Al2O3+TiO2+R2O

≤1.0

≤0.5

≤0.7

Refractoriness °C

1710

1710

1710

1710

Apparent Porosity%

≤22

≤21

≤21

≤21

Bulk Density g/cm3

≥1.8

≥1.8

≥1.8

≥1.8

True Density,g/cm3

≤2.38

≤2.38

≤2.34

≤2.34

Cold Crushing Strength Mpa

≥24.5

≥29.4

≥35

≥35

0.2Mpa Refractoriness Under Load T0.6 °C

≥1630

≥1650

≥1680

≥1680

Permanent Linear Change On Reheating

(%)1500°CX2h

0~+0.3

0~+0.3

0~+0.3

0~+0.3

20-1000°C Thermal Expansich10-6/°C

1.25

1.25

1.25

1.25

Thermal Conductivity (W/MK) 1000°C

1.74

1.74

1.44

1.44


Glass Furnace Acid Resistant Refractory Silica Brick

 

 

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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:What are the materials for refractory materials? What are their names?
Classification of chemical components of refractory materialsAccording to the chemical characteristics of refractory raw materials can be divided into acidic refractory materials, such as silica, zircon etc.; neutral refractory raw material, such as corundum, bauxite, mullite (acidic) (acidic), Ge (alkaline) iron and graphite; alkaline refractory materials, such as magnesite, dolomite, magnesium sand calcium sand.
Q:The chemical composition of silica brick and its physicochemical index?
The physicochemical index of silica brick:Turn left to |
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:Why in the production of the brick to detect the volume density
Fast density test, please consult an instrument.
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: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: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:How to improve the thermal conductivity of the coke silicabrick rate?
The content of SiO2 is 98.23% crystalline silica as raw material, with sulfite pulp liquid as binder, millscale and lime as mineralizer, by Jin Hongshi (TiO2) as additive, can improve the rate of thermal conductivity of silica brick for coke oven. When the rutile content is 1.5%, the coefficient of thermal conductivity of silica brick for coke oven is 2.66W/ (m.k).

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