Raw Materials for Refractory:Best Sale in USA Calcined Bauxite Furnace Bauxite
- Ref Price:
-
$298.00 - 698.00
/ m.t.
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20000 m.t.
- Supply Capability:
- 10000000 m.t./month
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1.Structure of Calcined Bauxite Description
Best Sale in USA Refractory Calcined Bauxite Furnace Bauxite
Bauxite (aluminous soil; Bauxite) is also called the alumina or bauxite, main ingredients are alumina, hydrated alumina containing impurities, is an earthy mineral. White or gray, brown and yellow or light red by iron.
2.Main Features of the Calcined Bauxite
Best Sale in USA Refractory Calcined Bauxite Furnace Bauxite
Calcined bauxite is one of the principal ore of aluminum. Calcined bauxite contains hydrous aluminum oxides and aluminum
3.Main usage of the Calcined Bauxite
Best Sale in USA Refractory Calcined Bauxite Furnace Bauxite
(1) aluminium industry. Used in national defense, aerospace, automotive, electronics, chemical industry, daily necessities, etc.
(2) precision casting. Alumina clinker made after the mould precision casting processed into fine powder. Used in military industry, aerospace, communications, instrumentation, machinery and medical equipment department.
4. Calcined Bauxite Images
Best Sale in USA Refractory Calcined Bauxite Furnace Bauxite
5. Calcined Bauxite Specification
Best Sale in USA Refractory Calcined Bauxite Furnace Bauxite
8 To 9 % TIO2 : 6.00 % Cao : 2.50 % , Size : 0-1MM OR 1-3MM
Rotary Kiln Calcined Bauxite G.G No.3 Specification : Al2O3 : 75 % Fe2O3 : 4 TO 4.5% SIO2 : 9 To 11 % TIO2 : 5.00 % Cao : 3.00 % Size : 0-1MM OR 1-3MM
Or as per buyes requirements.
6.FAQ of Calcined Bauxite
Best Sale in USA Refractory Calcined Bauxite Furnace Bauxite
1). Q: Are you a factory or trading company?
A: We are a factory.
2). Q: Where is your factory located? How can I visit there?
A: Our factory is located in ShanXi, HeNan, China. You are warmly welcomed to visit us!
- Q:Which brand of refractory fiber hard thermal insulation board is better?
- Luyang ceramic fiber semi-hard board is good for it has typically applied major technological performance industrial furnaces backing, wall lining, lining material, electric heating furnace backing lining heat insulation ceramics shuttle kiln, backing lining of tunnel kilnand roller kiln.
- Q:which kind of fire?bulkhead is better?
- Fire bulkhead also known as non-combustible fire retardance board, and it's made by various incombustible?material after the scientific pressing, and has good flame resisting properties, it's non-combustible time can reach over 3 hours, high mechanical strength,it has characteristics of non-explosive, water and oil resistance, good chemical corrosion resistance and non-toxic. As for the combustion test of YD-Ba-type inorganic fire?bulkhead, it's best to be deformation under the flame temperature of 1000 ℃, the indicators comply requirements of GA161-1997, combustion performance reaches A level standards of GB8624(non-flammable). J fire bulkhead is mainly applicable to the fireproofing protection and fireproofing isolation of cables with all kinds of voltage?classes laid on scaffold or bridge. It's widely used in cable project fireproofing and fire?retardant in the places with crowded cables, such as various power plants, chemical companys, iron and steel smelting enterprises, mines,etc. It's also the best fireproofing and fire?retardant materials of fireproofing and fire?retardant projects in indoor decoration of public places, such as large shopping malls, hotels, guesthouses, sports hall, closed clothing market, light industrial markets, theaters and so on. Construction method: Fire?bulkhead products can be cut by saw, according to the shape required to be made in the construction site, using steel brackets or expaned anchor bolt to fix it while assembling, steel brackets should be coated with fire-resistant coating for steel structure. You can also use various cable and fireproofing trays made of fire bulkhead, and used in the board gaps.
- Q:How should refractory cement be used?
- Refractory cement is very easy to use. Add some water and mix, and it will harden. Generally there is no need to add other binding agents, but you can add some refractory aggregate and powder. If you use only refractory cement, it will generate a lot of cracks after high temperature. Generally refractory cement can withstand temperature of about 1300 degrees.
- Q:What are the requirements of the performances of brasque refractory?
- The requirements of the performances of brasque refractory: 1, should have sufficient refractoriness and softening point under a fixed load. Because under the action of the electric arc, the inner and surface temperature of the different parts of the brasque can be up to 1500 ~ 1800 ℃. 2, should have strong slag resistance. Because the inward permeation of slag and smoke at high temperature through its pores of brasque cause melting loss of refractories, organization delamination and flaking. 3, should have good thermal shock resistance. Because in the steelmaking process, opening the furnace door, lifting the furnace lid will cause sudden temperature change of brasque refractory,flaking and cracking, resulting in premature failure of brasque. 4, should have sufficient strength, because the brasque will be impacted at the time of loading, vibrated when tilting, flushed by metal, slag and gas flow when boiling. 5, the thermal conductivity and the conductivity should be small. Refractories commonly used for electric furnace include magnesia bricks, dolomite brick, high-alumina refractory bricks, silicious refractory brick and magnesite ramming material. Due to the different working environment of each parts of the furnace, refractories are different.
- Q:Which refractory material is better in China? Industrial furnace, mainly in non-ferrous industries, glass kiln, cement kiln business.
- Such solid nano microporous insulation material with nano inorganic refractory powder special, with a huge surface area, nano particles contact between the minimum point contact point contact thermal resistance is very large, the heat conduction effect of the material becomes very small, resulting in heat conduction coefficient of solid such nano porous insulation materials very small; nano pores formed of nanoparticles, the average size of 20 nm, and the average free path of molecular thermal motion at room temperature under static air is 60 nm, thus locking the air molecules in powder within nano pores, making the micro convection heat transfer effect between the stationary air molecules disappeared. The room temperature thermal conductivity of solid such nano microporous insulation material is lower than the static air; at high temperature, the main effect of heat transfer heat radiation, Good energy-saving insulation materials with nano microporous infrared additive special, stop at a high temperature and reflected infrared radiation, reduce the heat radiation effect to the lowest point, the radiation heat transfer coefficient of materials under high temperature is reduced to the lowest value.
- Q:How to distinguish between class A fire resistant door and class B fire resistant door from appearance ? What are the differences between the two refractories? Thank you !
- It is difficult to distinguish from appearance. Their fire endurance are also different. The filling refractories of grade A and Grade B fire resistance steel doors are all perlite. The only difference lies in the filler compaction density.
- Q:What are the classifications of refractory? Which category does steel ladle castable belong to?
- Silmo brick, alumina-magnesia brick; 2. coke oven, aluminum silicate... 8 categories)& nbsp, teeming ladle, glass furnace ...... 7 categories) high alumina refractory products (blast furnace, electric furnace, cement kiln, magnesia, glass furnace; 3. high alumina refractory mortar (high alumina, glass kiln ...... 6 categories) special refractory products (magnesia-carbon bricks, aluminum-carbon bricks, MgO-C, shapeless refractory products& nbsp, light weight, sliding plate bricks, cement kilns: There are 26 categories in refractory products, clay, calcium silicate, ceramsite lightweight... 10 categories) & nbsp, air heating furnace, sheets; 1 refractory castable (alumina-magnesia, blocks, resistance furnace... 11 categories) alkaline refractory products (magnesia. First, thermal insulation refractory products (ceramic fiber; clay, diatomaceous earth, steel fibre reinforcement...14 categories) & nbsp, silicon carbide brick ...... 19 categories) Second, China is the largest refractory production country in the world, clay, non-water cannons mud, converter, siliceous, teeming ladle, profiled) siliceous refractory products (coke oven, dense shaped refractory products (all kinds of bricks, electric furnace roof, glass kiln ...... 5 categories) clay refractory products (blast furnace, high alumina ...... 4 categories) three
- Q:What kind of materials can be tested their electrical resistivity in the current refractory industry?
- Graphite, Magnesium Oxide, and alumina are all feasible.
- Q:How can refractory material of the electric furnace be used for longer.
- Minimize mechanical shock, Electrical furnace commonly referred to must be electrical arc furance. The wall of electric arc furnace should be constrcuted with magnesite carbon brick. Its hearth permanent layer should be constrcuted with mansornary magnesia brick. High alumina brick is usually used to aviod furnace cover suddenly get hot and cold. But its service life is lower. At present integral casting furnace cover is made of alumina magnesia. Terminal will be created even without the use of refractory material. Consumption is much faster if using refractories material or whole knottiing mainly.
- Q:What is the classification standard of fireproofing material levels?
- the following are the criteria: Currently fire materials levels mainly include:class A : incombustible building material,which almost doesn't burn. class A1: non-combustible, without open fire, class A2, non-combustible, it needs to measure the smoke and be qualified. class B1: nonflammable building material: nonflammable materials have good flame resistance function. when it contacts open fire or is under high temperature, it's difficult to burn and be spreading rapidly, and will stop burn after removing the combustion?source. class B1: combustible?building?materials: combustible materials have good flame resistance function. when it contacts open fire or is put in the air at high temperature, it will immediately burst into flames, and easily result in the spreading of fire, such as wooden column, timber roof truss, timber beam, wooden stairs, etc. class B3: inflammability building materials, without any flame resisting effects, easy to burn, and has large danger of fire disaster. In addition, according to different standards, fire-proofing materials' grade partition is different: DIN4102: A1, A2, B1, B2, B3: EN13501-1 A1, A2, B, C, D, E, F
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Raw Materials for Refractory:Best Sale in USA Calcined Bauxite Furnace Bauxite
- Ref Price:
-
$298.00 - 698.00
/ m.t.
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20000 m.t.
- Supply Capability:
- 10000000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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