Fireclay Brick with High Alumina Content (Al2O3 50-55%)
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 17 m.t
- Supply Capability:
- 10000 m.t/month
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General Information
CMAX high alumina firebricks are classified according to alumina content ranging from 48% to 90%.
Feature
Low thermal conductivity
Excellent acid and base slagging resistance
High refractoriness
Excellent thermal shock resistance
Excellent mechanical strength
Application
CMAX high alumina bricks are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln, regenerator, etc
ITEM | UAL48 | UAL55 | UAL65 | UAL75 | UAL80 | UAL85 | ALP80 |
Refractoriness, ℃ | 1750 | 1770 | 1790 | 1790 | 1810 | 1810 | 1810 |
Apparent Porosity,% | 22 | 22 | 23 | 23 | 20 | 20 | 18 |
C.C.S, Mpa | 39 | 44 | 49 | 53 | 55 | 60 | 100 |
Refractories Under Load (0.2Mpa)，℃ | 1420 | 1470 | 1500 | 1520 | 1500 | 1520 | 1550 |
Reheating Linear Change,% | 1450℃x2h 0.1～-0.4 | 1500℃x2h 0.1～-0.4 | 1500℃x2h 0.1～-0.4 | 1500℃x2h 0.1～-0.4 | 1550℃x2h -0.5～+0.5 | 1550℃x2h -0.5～+0.5 | 1550℃x2h -0.5～+0.5 |
Al2O3 Content , % | 48 | 55 | 65 | 75 | 80 | 85 | 82 |
- Q:Blend 12% fireclay and 88% refractory cement. Moderate water and mud are used to pile up firebricks?
- If the temprature is below 1200 degrees, the clay castable refractory can be used at what temprature, or use lightweight clay thermal insulation bricks. Thus, the furnace body is not easy to crack. The service life will be long.
- Q:What can be applied to the burned refractory brick to resist heat shock?
- Acidic refractory material use monox as the main component, among which cilica brick and clay brick are commonly used. Silica brick is silicious product containing monox more than 93%, whose raw materials include silica, waste silica brick scrap and etc. The acid resistance of slag erosion ability is good, and the softening temperature under a fixed load is high. The volume won't shrink after repeated burning, but even a slight expand; but it is vulnerable to the erosion of basic slag, and has low thermal shock resistance. The silica brick is mainly used for coke oven, glass melting furnace, acid hearth furnace and other thermal equipments. Clay brick uses refractory clay as the main raw material, containing 30% to 46% of aluminuum oxide, belong to weakly acidic refractories. It has good heat shock resistance and corrosion stability to acid slag, and it's widely used. Neutral refractory materials use aluminum oxides, chromium hemitrioxides or carbons as the main components. Corundum products containing more than 95% of alumina is a kind of high quality refractory material with wide application.
- Q:What is the size of mechanism brick and general refractory brick?
- The ordinary refractory brick is 230mm long, 53mm thick; red brick is 240mm long, 115mm wide, 65mm thick,
- Q:Expansion ratio of light corundum fireproofing brick
- And then the appropriate drying, the using temperature 1500~1700 degrees of light corundum brick, the porosity is 70% to 80% Now, use foaming method to produce light corundum brick, 3g/, shaped idiosome with mould dry for 4 days in 60 degree to 70 degree oast, it will demoulding, foaming method and evaporating method produce light corundum brick, the thermal conductivity is 0. the containing of AL203 has difference, the corundum brick that use corundum hollow?sphere to produce contain the highest AL203 Finished light corundum brick don't have accurate shape and size after firing.8 1, so products need mechanical or manual cutting after the kiln, finally, firing in 1300 degree and 1550 degree, basically still meters with water forming, just add to burn: 50~60h, because its production methods and the introduction of additives are different, the total sintering time.17W/, light corundum fireproofing brick can be made into density is 0, withstand voltage strength is 4MPa, the containing of A1203 is no more than 99%.
- Q:does the furnace wall use refractory bricks to keep the heat? Or use the insulation material to keep heat ?
- Both needed! In fact, the insulation material contains refractory brick.
- Q:What are the differences between sintered bricks and refractory bricks?
- Sintered bricks belong to a type of refractory bricks.
- Q:How to do refractory bricks
- Sorting materials -- mixed?material - molding - drying - firing embryo
- Q:When the coal-fired steam boiler is built, it is necessary to build a common red brick between the refractory bricks. May I ask what is the requirement for this common red brick?
- The same the better, it will be easy to build
- Q:how to distinguish the quality of high alumina refractory brick when you buy it ?
- see the gap between the bricks and between kiln roof and kiln wall, etc.. 6, the pressure and the volume density of Pei brick and brick Pei size, appropreate matching of high alumina powder and high aluminous aggregate and other materials, the drying and time, and the mud trapped material humidity 1. 7, to reach the requirements of production. 4, the order of loading Pei brick into kiln . should prevent the lack of a scene , the requirement , mixing time, different procedure and the order of the adding of raw materials of high alumina brick. 3, drawing plan and lack of edge of high alumina brick . 5
- Q:How to use the firebrick to build crucible furnace? How to calculate its furnace's width and depth?
- 1, classify according to the smelting method : Open-hearth?furnace steel: Including carbon and low-alloy steel. According to the different lining material, there are acidic and basic open hearth steel two types. Converter steel: Including carbon and low-alloy steel. According to different positions of blowing oxygen, there are bottom blowing, side blowing and BOF steel three types. Electric furnace steel: Mainly alloy steel. According to the different types of electric furnace and electric arc nail fixed Li modified cool boat to raise spending whale steel, induction furnace...
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Fireclay Brick with High Alumina Content (Al2O3 50-55%)
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 17 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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