High Alumina Bricks - High Quality
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In aqueous alumina minerals (monohydrate diaspore, sanshui diaspore, etc.) as the main composition of high bauxite;
The family of sillimanite minerals (including kyanite, andalusite, sillimanite, etc.);Synthetic raw materials, such as industrial alumina, synthetic mullite, fused corundum and so on.China high alumina bauxite resources, quality is good, producing area are mainly distributed in shanxi, henan, hebei, guizhou,
shandong and other places.Produced by high aluminium vanadium and soil, mainly diaspore monohydrate (alpha Al2O3 · H2O) and kaolinite and the mixture of two kinds of minerals.\ n high bauxite with rotary kiln and vertical kiln calcination, sintering temperature of 1500 ~ 1700 ℃.
Sintered bauxite, bibulous rate is in commonly 4 to 7%。
3 oxidation 2 aluminium (Al2O3) content higher than 48% of the silicate aluminum refractory products.Such as Al2O3 content higher than 90%,
called corundum brick.Due to different resources, the national standard is not entirely consistent.Such as European countries for high aluminum
refractory Al2O3 content lower limit is 42%.In China, according to the high alumina bricks are usually divided into three classes: Al2O3 content in Ⅰ etc. ─ ─ the Al2O3 content > 75%.Such as Ⅱ ─ ─ Al2O3 content is 60 ~ 75%;Such as Ⅲ ─ ─ for 48 ~ 60% Al2O3 content.
The raw material According to the resource conditions and different requirements for products, can use the following categories of the material: with water alumina minerals (monohydrate diaspore, sanshui diaspore, etc.) as the main composition of high bauxite;The family of sillimanite minerals (including kyanite, andalusite, sillimanite, etc.);Synthetic raw materials, such as industrial alumina, synthetic mullite, fused corundum and so on.China high alumina bauxite resources, quality is good, producing area are mainly distributed in shanxi, henan, hebei, guizhou, shandong and other places.Produced by high aluminium vanadium and soil, mainly diaspore monohydrate (alpha Al2O3 · H2O) and kaolinite and the mixture of two kinds of minerals.
High bauxite with rotary kiln and vertical kiln calcination, sintering temperature of 1500 ~ 1700 ℃.Sintered bauxite, bibulous rate is in commonly 4 to 7%.
- Q: How much is one ton of high alumina refractory brick?
- Three high aluminum refractory brick Zhengzhou Kuwait is generally around 800. 32 years of experience, good.
- Q: What is the standard classification of high alumina bricks and high alumina bricks?
- High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3. High alumina brick refractory clay brick and brick than refractoriness to high. It belongs to high refractory. High alumina brick Al2O3 more, close to the neutral refractory material, can resist acid slag and alkaline slag erosion, because it contains SiO2, so the ability of alkaline slag resistance than acid resistant slag ability is weaker.According to the number of AL2O3 content is divided into, 55,65, 75,80 and so on several grades.
- Q: What's the difference between a well type annealing furnace and a box type annealing furnace?
- Box annealing furnace application: mainly used for quenching, normalizing, annealing and other conventional heat treatment equipment for steel parts. Features: 1, electric loading, high productivity, heat treatment is especially suitable for small and medium-sized parts, such as 30%, uniform temperature, intelligent digital display meter PID (pictured) automatic temperature control, high precision; 2, electric discharge loading convenient, as good; 3, door and seal the oven body is sealed automatically, without manual seal; 4, equipped with electric interlock protection device, and can prevent the fault accident due to the error. Bell type annealing furnace four bell type annealing furnace bell type annealing furnace is mainly used for annealing sheet metal in natural atmosphere and normalizing treatment of steel parts. 1, special steel, precision alloy large all fiber trolley type resistance furnace, strip, wire bright annealing. 2 、 annealing of special steel casting and forging. 3. Annealing of silicon steel sheet. 4, metal and non metal powder sintering pieces etc..
- Q: What are the characteristics of high alumina bricks?
- High thermal stability, fire resistance above 1770. Slag resistance is good, used for masonry steel smelting furnace, glass furnace, cement rotary furnace lining. High R.U.L, low creep high alumina brick with high grade bauxite, fused corundum, fused mullite as main raw material of high-grade refractory materials.
- Q: How to reduce porosity of high alumina brick
- In order to reduce the porosity of high alumina brick, the corresponding measures should be taken from the selection of raw materials, batching, mixing, molding and firing.
- Q: How much is one ton / ton of high alumina refractory brick?
- The price of high alumina refractory bricks is not equal, according to the quality index of GB2988-2012
- Q: What are the specifications for bricks?
- 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: 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 causes breakage of refractory bricks?
- There are many factors that lead to the damage of refractory brick, can be divided into: the chemical loss (e.g. salt penetration, redox phenomenon), heat loss (burning, thermal shock), mechanical loss (kiln deformation, thrust, brick masonry quality etc.).
- Q: Does the chimney have high acid resistance?
- The chimney particles and gases, mostly coal tar products, material acidic, therefore, take good acid resistance, acid proof brick, Grouts also used potassium silicate clay acid is preferred.
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High Alumina Bricks - High Quality
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