Silica Carbide Refractory Nozzle,Silica Carbide Brick

Ref Price:
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
10000000 m.t./month

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Product Description:

Refractory well block

Item

WB-1

WB-2

WB-3

Al2O3(%)Min

55

65

70

C+SiC(%)min

/

6

/

Refractoriness (°C) Min

1710

1790

1770

Apparent porosity(%)max

20

16

15

B.D(g/cm³)Min

2.6

2.7

2.65

Cold crushing strength (Mpa) Min

30

30

40

 

 

Zirconia Refractory nozzle

1.Advantage:high refractoriness, good thermal shock resistance, erosion resistance and 

scouring resistance, small hole diameter change, long service life, etc.

2.Usage:

Sizing nozzle is mainly used for continuous casting tundish samll square billet,big square billet,

rectangle billet,small slab casting steel.

3.Related prodcuts:

Zirconia bearing plate,Continuous casting aluminum carbon, aluminum zirconium carbon nozzle,

chock plug,Alumina magnesia, zirconium carbon slide gate,Quick change nozzle,Mosaic nozzle,

 Monoblock stopper,long nozzle,submersed nozzle,pocket block,etc.

4.Product data:

zirconium core:

 

Item             

ZN-

65

ZN-

70

ZN-

75

ZN-

80

ZN-

85

ZN-

90

ZN-

93A

ZN-

93B

ZN-

93C

ZN-

93D

ZN-

95A

ZN-

95B

ZN-

96

ZrO2(%)

≥65

≥70

≥75

≥80

≥85

≥90

≥93

≥93

≥93

≥93

≥95

≥95

≥96

Bulk density

(g/cm3)

≥3.8

≥3.8

≥3.9

≥4.0

≥4.1

≥4.3

≥5.1

≥4.9

≥4.7

≥4.4

≥4.6

≥5.2

≥5.2

Apparent Porosity(%)

≤23

≤22

≤22

≤20

≤20

≤20

≤13

≤15

≤18

≤20

≤20

≤9

≤5.6

Thermal shock resistance

(cycles)(1100℃,water cooling)

>5

>5

>5

>5

>5

>5

>5

>5

>5

>5

>5

>8

>10

 

Silica Carbide Refractory Nozzle,Silica Carbide Brick

FAQ


Q3: Can you offer Door-to-Door delivery?

A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.

 

Q4: What is the minimum quantity?

A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.




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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: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:The introduction of silica brick?
The characteristics of silica brick: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.The use of silica brick:Mainly used for masonry brick oven carbonization chamber, a combustion chamber and a partition wall, glass furnace and kiln roof, pool wall, high temperature hot blast furnace, glass furnace, load-bearing pool wall, hot blast stove, baking furnace of carbon bearing part of high temperature furnaces etc.. Rongsheng with refractory
Q:The production of brick, the ingredients of why join the waste brick?
Too much addition will reduce the refractory and mechanical strength, increase porosity, so the amount of waste brick should not be too much.
Q:The brick is mainly used in the place?
Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.
Q:What are the materials for refractory materials? What are their names?
The main raw material is the main body of refractory. Auxiliary raw materials can be divided into binders and additives. The role of bonding agent is to make the refractory body in the production and use process has enough strength. There are commonly used lignin, phenolic resin, asphalt, cement, water glass, phosphoric acid and phosphate, sulfate, some main raw material itself has the effect of binder, such as clay; additive is to improve the production of refractory materials and construction technology, or strengthen the refractory material of some properties, such as stabilizer, water reducing agent, inhibitor, plasticizer, foaming agent, dispersing agent, bulking agent, antioxidant.
Q:What is the main material of silica brick
More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance.
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:Which material is good for furnace refractory?
Neutral refractory is mainly composed of alumina, chromium oxide or carbon. Corundum products containing more than 95% of alumina are a kind of high quality refractory materials with a wide range of uses. Chrome brick with chromium oxide as its main component has good corrosion resistance, but its thermal shock resistance is poor, and its deformation temperature is lower at high temperature. Carbon refractories with carbon bricks, graphite and silicon carbide products, low coefficient of thermal expansion, high thermal conductivity, good thermal shock resistance, high strength, resistance to acid and salt corrosion, especially weak acid has good resistance, without wetting of the metal and slag, light. It is widely used as lining material of high temperature, and also used as lining of autoclave in petroleum and chemical industry.
Q:The formula in the refractory brick, and firing curve, who knows?
Iron scale powder 0.45-0.55%, cement 0.9-1.1%, lime milk 6.5-7.5%, pulp 1.95-2.2%, the silica powder, perlite will be added to the wet mill in proportion, and then add iron scale powder, cement, dry roller 1-2 minutes later

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