Hot blast stove with low creep thermal shock high alumina brick

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       热风炉用低蠕变耐热震高铝砖

项目
item

HD

HS

HB

Al2O3 %

53

57

65

Fe2O3 %

1.7

0.8

0.8

TiO2 %

0.6

0.5

0.5

R2O %

0.6

0.6

0.6

显气孔率, %
A.P.

20

20

20

体积密度,g/cm3
B.D.

2.35

2.40

2.45

常温耐压强度,MPa
CCS

40

40

50

蠕变率,%(20—50h)
Creeping rate

0.2(1350)

0.2(1400)

0.2(1450)

重烧线变化,%(1400℃x4h)
P.L.C.

±0.2

±0.2

± 0.2

荷重软化温度0.5%,℃
RUL

135 0

1470

1520

抗震稳定性(1100℃,水冷)
Thermal shock(110o℃water)

20

20

20

Product features: hot blast stove with low creep heat shock high alumina brick using selected andalusite, sillimanite and corundum, mullite, high grade bauxite and flint clay as the main raw material, after high pressure forming, high temperature sintering. Products of low content of impurities, good thermal stability, high temperature creep performance is good, is the present domestic comprehensive type Dutch type hot blast stove technology to the characteristics and hot blast stove with refractory with Chinese characteristics.


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Q:What are the main constituents of refractory bricks?
(a) containing refractory brick brick, refers to more than SiO293%, is the main varieties of acid resistant brick. It is mainly used for coke oven building, also used in furnaces all kinds of glass, ceramic and carbon calciner, refractory brick arches and other load-bearing parts, is also used in high temperature bearing part of hot blast stove, but should not be used in thermal equipment below 600 DEG C and the temperature fluctuation in the.
Q:What are the specifications for brick?
Thecompressive node as a new type of building energy-saving wall materials, which can be used for masonry walls, but also has good thermal properties, in line with the construction of the building module, reduce the loss in the process of construction, improve work efficiency; the hole rate reached more than 35%, can reduce the weight of the wall, save the foundation engineering cost. Compared with common sintered porous brick, it has the characteristics of heat preservation, heat insulation, light weight, high strength and high construction efficiency. The product is made of shale as raw material. It is produced by high vacuum extrusion molding machine and one yard firing process
Q:How to judge the quality of brick, clay brick, high alumina brick furnace from the appearance?
Mainly depends on the color and density of brick. Another black clay brick and brick with iron oxide formation and how much the size of bricks
Q:What is the difference between fireclay bricks and high alumina refractory bricks?
High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3.
Q:What is acidproof brick?
Hao Ran acid tile brick structure compact, low water absorption rate, the pH of the medium can be any concentration, with excellent corrosion resistance. And the set pressure, wear resistance, anti permeability, easy cleaning, acid and alkali in one, with excellent performance is widely used in petroleum chemical industry, metallurgy, electric power, chemical, papermaking, pharmaceutical, chemical, food, dairy, juice, electroplating and the tower, tank, tank, tank anti-corrosion engineering, and work in the underground sewers the open ground and other places play an important role.
Q:How can refractory bricks be punched?
Electric is ok
Q:Is it necessary to abolish the technical regulations for the construction of self thermal insulation masonry building with sludge sintering insulation bricks?
Silt sintering brick insulation brick is made from river mud, city sludge, mud as the main raw materials, added according to a certain proportion of siliceous inorganic binder after aging, extrusion blank, blank by cutting, drying, sintering and extrusion molding machine. The utility model has the advantages of energy saving, resource saving, favorable for developing circular economy and comprehensive utilization of resources, high micropore rate, good product heat insulation performance and heat insulation performance, etc..
Q:How to clean the acid brick surface dirt?
Wash the bricks with a mixture of soap and a little ammonia and turpentine, and make the bricks more lustrous.
Q:98% acid tank cofferdam can use acid resistant brick?
The hydrogenation unit has a large amount of light hydrocarbons in its memory, and if it leaks, it will cause serious accidents. Therefore, we should pay enough attention to the operation of the light hydrocarbon pump.
Q:What is the content of free silica in the refractory bricks of high alumina bricks?
In the meantime, the free silica content of silicon brick is as high as 90% above. Therefore, the most serious damage is silicon brick, followed by clay brick, high alumina brick, magnesia brick and so on.

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