Japan Supplier of Blast Furnace of CNBM in China
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- 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
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.
Japan Supplier of Blast Furnace of CNBM in China
2.Main Features of the Calcined Bauxite
Calcined bauxite is one of the principal ore of aluminum. Calcined bauxite contains hydrous aluminum oxides and aluminum
hydroxides, formed through the laterization of aluminous rocks in tropical and subtropical areas .Calcined bauxite is obtained by calcining (heating)superior grade bauxite at high temperature (from 85OC to 1600C) .This removes moisture there. By increasing the alumina content,compared to an alumina content of about 57%to 58% in raw bauxite, calcined bauxite has an alumina content of 84%to88%.The heating is carried out in rotary kilns.
Japan Supplier of Blast Furnace of CNBM in China
3.Main usage of the Calcined 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.
(3) is used for refractory products. High bauxite clinker refractoriness is as high as 1780, chemical stability strong, and good physical properties.
(4) aluminum silicate refractory fiber. With light weight, high temperature resistance, good thermal stability, low thermal conductivity, heat capacity is small and the advantages of resistance to mechanical shock. Used in iron and steel, nonferrous metallurgy, electronics, petroleum, chemical, aerospace, atomic energy, defense and other industries.
Japan Supplier of Blast Furnace of CNBM in China
4. Calcined Bauxite Images
Japan Supplier of Blast Furnace of CNBM in China
5. Calcined Bauxite Specification
tem | Data | |||||||
Chemical index | Al2O3 | Fixed Carbon | SiC+Si3N4 | H2O | ||||
≥35 | ≥ 12 | ≥ 18 | ≤3.0 | |||||
Physical Index | Refractoriness | Refractoriness under load | Cold Crushing Strength (1350*9h) | Cold Breaking Strength (1350*9h) | AP (1350*9h) | Bulk density (1350*9h) | Marshall value (50Mpa) | |
≥ 1600 | ≥ 1300 | ≥10 | ≥5 | ≥ 27 | ≥175 | 0.6-1.2 | ||
6.FAQ of Calcined 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!
3). Q: How can I get some samples?
A: Please connect me for samples
4). Q: Can the price be cheaper?
A: Of course, you will be offered a good discount for big amount.
- Q:What is the main constituent of refractory brick?
- There are several refractory bricks, including clay brick, carborundum brick and chromium-carbon. The type you said may be refractory bricks made from bauxite.
- Q:What is the strength of high strength refractory material?
- With the help of high temperature and load, refractory material deforma to a certain degree of temperature from the beginning of deformation (load softening point), known as high temperature structural strength or high load softening temperature. It is a the ability to resist deformation ih high temperature and load at the same time. The nature of the high temperature is very improtant for selection of a furnace building materials under the effect of high temperature and force.
- Q:Refractory inquiries
- Aluminosilicate refractory refractory material refers to SiO2-Al2O3 as the main ingredient, according to how much the Al2O3 content can be divided into semi silica (Al2O3 15~30%), clay (Al2O3 30~48%), high alumina (Al2O3 > 48%) three.
- Q:How to make fire resistant materials for building stoves
- Legend of the old version has been upgraded, or can not enter the server, is not legend stopped?
- Q:What are the fire endurance requirements of class A fire resistant door ?
- Fire endurance of class A fire resistant door is 1.5h. According to the latest fire door requirements, in FMA FMB FMC three forms, A, B and C represent categories, such as FMA on behalf of Class A fire doors (ie thermal insulation fireproof door). Fire endurances of class A,B and C fire doors are 0.5 1.0 1.5 2.0 3.0. Therefore, the fire resistance of fire door needs to be designed and the design paper will make it clear in general.
- Q:Why does refractory need to add coarse firstly and then add fine aggregate?
- Adding coarse aggregate is to assure its good combination with fine aggregate. This is just the experience. You don't have to ask.
- Q:Which are fire proofing thermal insulation materials?
- Fire proofing thermal insulation materials include: fire proofing heat insulating brick, fire proofing thermal baffle, fire proofing thermal insulation paper, fire proofing thermal insulation felt, fire proofing blocking, fire proofing fiber bulker, castable refractory, etc. Yizhen Decoration wish you a happy life!
- Q:What's the texture of refractory for the hearth of reverberatory?furnace? ?
- The long-term usage temperature of ceramic fiber is between 950-1260 degrees.
- Q:How is the grading of the level A new material fire insulation material?
- The standard to distinguish level A and level B is the different fireproofing coefficient. The level A is non-combustible. The level B is divided into B1, B2 and B3. B1 is flame retardant, B2 combustible and B3 flammable. The level A is commonly phenolic aldehyde, rock wool, thermal?mortar, foam ceramics, foam glass and foam concrete on the current market. Among the advantages of level A materials, the biggest one is foam concrete currently, also known as foam cement, which the Xuzhou Green Year EEB company's main produces.
- Q:Technical scheme of refractory for refuse incinerator
- Refractory technical index1. Physical and chemical indexes of graphite brickThe volume density (g/m3 = 1.6)The compressive strength (Mpa = 23)Apparent porosity is less than 21Ash% less than or equal to 0.5The thermal conductivity at room temperature (W/M.K = 45)200 c = 43600 C = 40800 C = 352, N-4 clay brick physical and chemical indexesRefractoriness 1690Load softening temperature of more than 1300 startThe change of reheating line is%1350 DEG C * 2H - 0.5 to +0.2Apparent porosity is less than 24The compressive strength (Mpa = 20)
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Japan Supplier of Blast Furnace of CNBM in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20000 m.t.
- Supply Capability:
- 10000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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