Hot blast stove with low creep series high alumina brick

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项目
item

DRL—155

DRL—150

DRL—145

DRL—140

DRL—135

DRL—130

DRL—127

Al2O3, %

75

75

65

65

65

60

50

显气孔率,%
A.P.

20

21

21

22

22

22

23

体积密度  g/cm3
B.D

2.65

2.65

  2.50

2.40

2.35

2.30

2.30

常温耐压强度,Mpa
CCS

60

60

60

55

55

55

50

蠕变率,%
Creeping Rate

0.8

0.8

0.8

0.8

0.8

0.8

0.8

重烧线变化,%  1500x2h
P.LC.          1450x2h

0.1—-0.2

0.1—-0.2

0.1—-0.2

0.1—-0.2

0.1—-0.4

0.1—-0.4

0.1—-0.4

抗震稳定性(1100℃,水冷)
Thermal Shock(1100℃water)

(炉顶,炉壁砖)提供数据
Actual value should be issued for roof and wall bricks

Product features: hot blast stove with low creep series high alumina brick to corundum mullite "three stone" and excellent yangquan bauxite clinker as the main raw material, after high pressure forming, high temperature sintering. Products with high refractoriness under load and high temperature creep resistant performance is good, good thermal shock resistance, is the first choice for large and medium-sized stove material.


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Q:How to do refractory bricks
Use the friction press to press, have some volume density, porosity, water absorption rate.
Q:Why can't build refractory brick behind the skew block?
Refractory is heat expansion and cold contraction, when it is high temperature, it will squeeze toward the center and the vault will be deformation .
Q:Is there any special requirements for the building blocks of the smoke and gas wells, how about the refractory bricks?
There are no special requirements. Not necessarily need refractory bricks, red bricks are ok. The building size of the flue is according to the smoke exhaust rate.
Q:Is the quality of refractory brick influenced if it is soaked by water
Refractory bricks shouldn't be got wet by damp. Other refractory brick is not much problem, after touching, please wash hand, or masonry stove ignition will burst. In addition, refractory bricks containing chromium can't meet water, it's easy to hydrate and scrap, it will generate Cr VI ( chromium VI ), which is hanrmful to health and pollutes the environment, but try not to get wet
Q:What is the density of the high alumina refractory brick?
According to the quality, the general level is two point four to two point seven or so
Q:Do refractory bricks resist corrosion and sulfur?
There are anticorrosion and acid proof refractory bricks
Q:Will the heat be taken away by the refractory brick
No
Q:What are the differences between diatomite brick and ordinary refractory bricks?
The volume density of diatomite brick is 3.9 * 10-6, good compressive strength, belongs to the small outer insulation, spinel brick.
Q:Are there any good improvement measures for the always collapse of the previous vaulted tunnel kiln built by refractory bricks?
refractory castable integrally casting
Q:Do you use ceramic as offal material for refractory bricks?
Use special clinker of bauxite with high alumina as main ingredient, pulp, K2O < 0, the main component is Al2O3 which is more than 18%, it is a kind of neutral refractory material, pyrophyllite fine powder doesn't need refractory brick production process, Fe2O3 < 1, grinding - mixing - molding - sintering - packaging - delivery. A.3%.3%, Fe2O3 < 0, molding and calcined from bauxite or other raw materials with high content oxides, combined with clay, K2O < 0.5%; 3: 2, raw materials 1; 4: 325 mesh.0%:

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