Topchase Tundish Refractory Brick
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Specifications
Tundish Refractory brick
used in tundish and casting mold in continuous casting
can be custom make as per client drawing
Topchase Tundish Refractory brick
Topchase Tundish Refractory brick
Tundish Refractory brick feature:
It is refractory seating block as base brick for ziconia insert nozzle IN Tundish.
With high erosion resistance
Work together with zirconia nozzle can keep long time no change on shape
No crack etc good feature,can custom make as per client 's drawing,better meet client requirement.
Tundish Refractory block brick were used for tundish,used together with zirconia nozzle,for
continuous casting of blooms, billets ,rectangular billet and slab casting.
Fused Submerged Nozzle Data:
Item | Technical index | |
CRS | QRS | |
SiO2 % | ≥ 99.4% | ≥ 99.4% |
Apparent porosity ≤ | ≤19 | ≤18 |
Bulk density | ≥1.90 g/cm³ | ≥1.90 g/cm³ |
Refractoriness | ≥1750 °C | ≥1750 °C |
Compressive Strength | ≥39 MPa | ≥39 MPa |
Thermal shock resistance | ≥ 30 | ≥ 30 |
- Q:Can not use it two brick
- The softening temperature is up to 1640~1670 DEG C, and the volume is stable at high temperature for a long time.
- Q:Why is the three oxidation of two silicon is very harmful impurities in silica brick
- Can generate the material needs is the best way to see the impurity problem!! the first consideration is whether can get the material impurities with what method choice after the time! Miscellaneous reactions cannot have new impurity formation! Selected cannot and need material reaction reagent!
- Q: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 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:Physical solid waste disposal
- Too much addition will reduce the refractory and mechanical strength, increase porosity, so the amount of waste brick should not be too much.
- Q:Why will expand when heated brick
- In the process of SiO2 drying, the four crystalline transformation points of 117, 163, 180~270 and 573 DEG C are found, among which the volume expansion caused by the 180~270 is the largest.
- Q:Why in the production of the brick to detect the volume density
- Fast density test, please consult an instrument.
- Q:What is acid refractory?
- Acid refractory material usually refers to refractories with SiO2 content greater than 93%. Its main characteristic is that it can resist acid slag corrosion at high temperature, but it is easy to react with alkaline slag.
- Q:The brick is mainly used in the place?
- Partitions used in coking and combustion chambers for coke ovens
- Q:The introduction of silica brick
- Brick refers to the content of more than 93% products SiO2. Brick with SiO2 content of not less than 96% of silica as raw materials, adding mineralizer and binder, through mixing, molding, drying, sintering and other processes in the system. The higher the content of SiO2 in silica raw material, the higher the refractoriness of the product. According to the use of brick varieties, divided into: coke oven silica brick, brick for hot blast stove, electric stove with brick, brick for glass furnaces. According to the transformation is divided into: standard bricks, tiles, bricks and general special brick etc..
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Topchase Tundish Refractory Brick
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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