High Alumina Silica Refractory Bricks for Electric Arc Furnace Roof
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 111 m.t./month
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Alumina-silica Refractory Bricks Used In Electric Arc Furnace Roof4
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Alumina-silica Refractory Bricks Used In Electric Arc Furnace Roof
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the follows are some detail parameters of our products,in order to save your time,we just show you the datas
fire clay brick for various kilns
Characteristics:
Fireclay brick is made from clinker clay by mixing, forming, drying, sintering and matching characterized by good resistance to corrosion and abrasion, good thermal shock resistance, good spelling resistance, high mechanical strength, good volume stability under high temperature.
Specifications
1. for Glass Melting Furnace
2. High quality and best price
3. Chemical stability
4. ISO9001:2000
5. Timely deliver
Applications: Metallurgy, building materials, chemical industry, petroleum, machinery manufacturing, silicate, power and other industries.
Physical andChemical Indicators:
Items | Index | ||||||||
N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 | ||
Refractoriness, °C ≥ | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 | |
Refractoriness Under Load,°C, [0.2MPa×0.6%] ≥ | 1400 | 1350 | -- | 1320 | -- | 1300 | -- | -- | |
Linear Change on Rehearting,% | 1400°C×2h | +0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 | -- | -- | -- | -- | -- |
1350°C×2h | -- | -- | -- | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | -- | |
Apparent Porosity, % ≤ | 22 | 26 | 24 | 24 | 26 | 24 | 26 | 28 | |
30.0 | 20.0 | 25.0 | 20.0 | 15.0 | 20.0 | 15.0 | 15.0 | ||
- Q: What is the standard size of high alumina brick?
- Standard brick: 230 x 115 x 65; four points: 230 x 115 x 40; three points: 230 x 115 x 30; 150 x 120: Brick gable. Light weight brick 1 to 1.7 kilograms; heavy clay superscript brick weighs 3.75 kilograms; light 30 plates 0.79 kilograms; light 40 plates, 1.05 kilograms.
- Q: What's the difference between a well type annealing furnace and a box type annealing furnace?
- 1. The shell of the furnace is welded by section steel and steel plate. 2, the furnace cover support adopts steel and guide rail combination mobile type. 3. The heating element is made of high resistance alloy 0Cr25Al5 produced by Beijing Shougang Group and arranged on the furnace side. 4, because the bottom bearing adopts high aluminum bricks, the circle center of the furnace set small, inside and outside heating. 5 、 furnace cover adopts hydraulic lifting, motor control, automatic walking. 6 、 temperature control system adopts PID SCR control, high accuracy.
- Q: What is the density of a super high alumina brick and what is the price?
- Super high alumina brick, alumina content of 80% bricks, bulk density of 2.7g/cm3 or more, the factory price of about 1900 yuan
- Q: What are the requirements for refractory materials in heat treatment furnace?
- The structural strength of high temperature is evaluated by loading softening point. Load softening point is that under certain pressure (2 kg/ cm 2 = 0.2MPa) under the condition of heating rate to heating, measured the sample deformation (deformation for the original sample 0.6%) temperature. This temperature is called the softening point of the refractory. Sample size is Phi 36 x 50mm.
- Q: Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?
- High alumina brick clay brick up to 1700 degrees above 1500 degrees -1750 degrees of magnesia brick and magnesia chrome brick 1500-1650 degrees, I is the production of clay brick, brick my temperature at 1500-1700 degrees. Specific depends on what kiln, brick is only part of it
- Q: What is the apparent porosity of high alumina brick?
- In the production of high alumina bricks in addition to the entity, there are many different sizes and shapes of different pores, pores can be divided into three categories: one side closed the other side and the outside world is called open pores, closed in the product not communicated with the outside is called closed pores, penetrating through pores called the few products.
- Q: How are the grades of high alumina bricks differentiated?
- In China, the content of Al2O3 in high alumina brick is usually divided into three categories: I, etc. - Al2O3 content > 75%; II, etc. - Al2O3 content is 60 to 75%; III and so on - Al2O3 content is 48 ~ 60%.
- Q: Is glass wool inorganic thermal insulation material?
- Yes, glass wool belongs to one kind of glass fiber. It is a kind of man-made inorganic fiber. Therefore, in the field of thermal insulation materials classified as inorganic insulation materials.
- Q: What causes breakage of refractory bricks?
- There are many factors that lead to the damage of refractory brick, can be divided into: the chemical loss (e.g. salt penetration, redox phenomenon), heat loss (burning, thermal shock), mechanical loss (kiln deformation, thrust, brick masonry quality etc.).
- Q: What is the difference between fireclay bricks and high alumina refractory bricks?
- High R.U.L, low creep high alumina brick [1] is using high grade bauxite, fused corundum, fused mullite as main raw material of high-grade refractory materials. The product has the advantages of high temperature, little creep, strong corrosion resistance and good thermal shock resistance, and is suitable for large and medium-sized hot blast stoves.
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High Alumina Silica Refractory Bricks for Electric Arc Furnace Roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 111 m.t./month
OKorder Service Pledge
OKorder Financial Service
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