Hot blast stove with low creep series high alumina brick

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Product Description:

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:Whether yellow dextrin is used in refractory bricks?
The production of refractory bricks needs yellow dextrin as bonded materials.
Q:What is the relationship between the firing process and the manufacturing technique of fireclay bricks?
Q:Is glass wool inorganic thermal insulation material?
The use of glass wool, glass wool is usually used as raw materials of various types of insulation materials, such as glass wool board, glass wool, glass wool, glass wool pipe, can be used in the following areas:1) roof insulation, cold protection, sound-absorbing materials; 2) building exterior wall insulation and cold protection; 3) entertainment places, theaters, television stations, radio stations, laboratories, sound absorption treatment.
Q:What refractory materials are adopted in each part of the blast furnace
Bosh temperature reaches 1600~1650, high alumina brick, corundum brick or silicon carbide brick. The upper hearth tuyere zone near the temperature at 1700~2000 Deg. C, the use of sillimanite brick, corundum and silicon carbide refractory filler, Shi Mozhi. Bottom temperature at 1450~1500 Deg. C, the use of graphite bricks and microporous carbon brick, now also used corundum brick, Gang Yumo brick and synthetic mullite brick.
Q:What is the advantage of the ceramic fiber material compared with the refractory brick?
Ceramic fiber material is heavier than refractory bricks, property of machinery operation, low heat capacity, and has high anti-stretchability and good thermal shock resistance, low thermal conductivity make its thermal insulation effect is ten times than refractory brick, it won't has crack in sudden coolness and heat, and the construction is much easier than that of refractory brick, not delaying the production.
Q:What are the improvements and improvements during the trial production of insulating bricks?
Per square metre weighs only about 1.4 kilograms, reduce the burden of building.Simple production: completely break through the traditional process, greatly shorten the construction cycle.
Q:There are various refractory materials inside many kilns such as refractory brick, what is the role of masonry of these refractory materials?
Heat insulation
Q:How to choose the proper refractory bricks when buying the refractory bricks?
Crack condition. 4. 6. Inspection of dimensions. Conditions of pits and swells and lack of edges or angles. The inspection of refractory bricks' appearance quality and the condition of the affecting with damp.
Q:Will the heat be taken away by the refractory brick
No
Q:How are the high alumina bricks fired?
Generally, the high alumina bauxite is added with a small amount of clay. After being ground, the gas is injected and shaped in the form of slurry by the way of gas attack or foam, and it is burnt at 1300~1500 DEG C. Sometimes industrial alumina can be used to replace part of bauxite clinker. Used for lining and thermal insulation of masonry kilns, as well as for areas where there is no high temperature, high melting material erosion and erosion effects. When touching the flame directly, the touch temperature shall not be higher than 1350 degrees.

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