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:cement concrete What kind of cement should be used to manufacture high temperature resistant Kang cement?
Sulphate aluminium cement is the best choice.
Q:Whether yellow dextrin is used in refractory bricks?
use professional mortar, do not use yellow dextrin
Q:How to increase the service life of high temperature refractory bricks?
The wedge brick should contain the brick surface distortion, decrease scrap rate high temperature refractory brick is refractory with a certain shape and size, the error of symmetry and concentric reducer's size differences. The correctness of shape of the straight refractory brick should include the straight of the intersection and the distortion of brick's face. Under the premise of ensuring the service life, the key to improve the efficiency of manufacturers, and have the correct shape and precise size. This is to ensure that the product is qualified, refractory brick in addition to planning a reasonable scale, that is, the scale of the allowable error.
Q:In tunnel kiln, what is the meaning of refractory proportion 2.0?
The proportion of refractory bricks is related to the density.
Q:when to replace the worn refractory bricks in rotary kiln?
But also depend on the other conditions of the furnace, many aspects should be understood, not only to see the degree of wear!
Q:Are refractory bricks, burner block and thermal insulation brick the same? Are they the same thing?
the proportion of raw materials of refractory bricks and thermal insulation bricks. chain of various types of products
Q:Development prospect of refractory bricks
Should increase the intensity of adjusting; masonry method is improper, excessive pressure damages the refractory brick, and its ingredients. In use, to reduce the consumption of refractories clinker. Use pleonaste bricks to replace magnesia chrome bricks directly, after deliberation, the experts present agree unanimously to adopt the draft standard, meet the needs of the new situation, to promote the cement kiln refractory standardization, small thermal expansion rate, fluctuation of product quality, good thermal shock resistance of high alumina brick. Of course, in the process of testing, automation level is low, saving energy. The reasons of refractory life is not high are that the production equipment of manufacturers are out-dated; fine management level is low, some companies began to develop energy-saving products, cultivate leading enterprises. Reduce the heat consumption of clinker tons, which effectively avoid the chrome pollution in the next few years, will promote the elimination of backward production equipment. To increase cooperation efforts on industry, education and research, to promote industry to develop to large-scale and intensification the requirement of firing and fuel In order to solve the problem of short service life of refractory material, the size deviation is large, cement enterprises should take measures aiming at the process conditions and raw material of cement kiln.
Q:What is the material of refractory brick used in the high temperature zone of the kiln?
The ordinary generally use clay high alumious fireclay brick. GB/T 3994-2005 insulating refractory brick. What with good material is high-grade thermal insulation refractory brick. GB/T 3995-2006, high alumina thermal insulation refractory brick , model A13, is made of aluminium oxide, A13 50U, senior heat insulatio brick B5
Q:What raw materials can be added to fireclay brick to respond to the urgent cold and urgent heat?
The effect of adding andalusite is better
Q:What is the role of refractory brick, whether is there any books to introduce refractory bricks
Refractory bricks are generally used to build a hearth. Such as, boiler, furnace (molten metal), air heating furnace etc, the furnace need refractory bricks to bulid.

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