Clay brick of hot air stove

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Product features: use clay brick of hot air stove USES yangquan high-quality clay clinker as main raw materials, through high pressure molding, high temperature sintering, the main mineral composition of mullite phase, the product has excellent high temperature properties and resistance to chemical attack function, widely used in various parts of the middle and small blast furnace lining.
       热风炉用粘土砖

项目
Item

RN-42

RN-40

RN-36

Al2O3, %              不小于
min

42

40

36

Fe2O3,%               不大于
max

-

-

-

耐火度,℃            不低于
Refractoriness        min

1760

1740

1700

荷重软化开始温度,℃  不低于
RUL                   min

1400

1350

1300

重烧线变化,%         1450℃x2h
P.L.C.                1350℃x2h  

0—-0.4

0—-0.3

0—-0.5

显气孔率,%           不大于
A.P.                  max

24

24

26

常温耐压强度,Mpa     不小于
CCS                   min

29.4

24.5

19.6


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Q:What are the sizes of lightweight thermal insulation bricks?
Low iron mullite, high aluminum light insulating refractory brick, diatomite insulating refractory brick. Sizes can be customized for ordinary profiled sizes
Q:When using high alumina refractory brick, what are the reasons leading to the decline of the performance of high alumina brick?
The excess air coefficient is controlled in 1, in order to prevent producing water cracks in the production of high aluminum refractory brick from, control the water absorption of 2 grade clinker of bauxite with high alumina below 4%-5%. 1-1,the water absorption of the tube mill should also be controlled below 6%, and adjust thermotechnical, making the high alumina refractory brick burning be in the stable weak oxidizing atmosphere. should be 2
Q:How to reinforce a porous brick foundation?
The basic type method is changed from independent basis to strip foundation, from strip foundation to raft foundation and pile foundation, from brick to concrete strip foundation.
Q:What bricks are thermal insulation bricks?
Insulating bricks, a new type of product that can replace tiles, are mainly used in toilets, kitchens, TV sets, bedrooms, walls and so on. And brightly colored, various specifications, can be cut at random, the section neatly.
Q:Consult: water treatment room anticorrosive usable granite and acid resisting brick, these two kinds of material what?
You can look at RZG/, the proportion of Rizhao garnet, high hardness, good toughness, wear resistance, acid and alkali resistance, flushing, moderate porosity, in the field of sewage treatment is widely used as a high density filter (heavy medium filter).
Q:Is the building built of cement hollow board safe?
The service life of hollow slab buildings is generally 50-70 years. However, the concept of civil design is relatively conservative, as long as the materials used in strict accordance with national standards, even if 70 years, and not necessarily bad.
Q:Mullite bricks on alumina alumina is what?
Quality solutionsMullite brick:With mullite as main crystalline phase of high alumina refractory products. Mullite bricks containing Al2O3 64%~75%, refractoriness >1790? C, normal temperature compressive strength 70~260MPa, softening the starting point for 1600~1700 degrees. The manufacturing method for casting and sintering process.
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:Clay brick, red brick, always fried brick how to do?
Red brick fired, try using a bubble, if not burst, you can use.
Q:what is the ratio of refractory mortar and refractory bricks, such as how much refractory mortar is needed for a ton of refractory bricks?
Go to the refractory factory to buy some refractory clay that is of the same material as refractory bricks, generally boiler uses clay refractory mortar.

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