Natural Bauxite Lump for Cement Indystry in China CNBM

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Tianjin
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20000 m.t.
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10000000 m.t./month

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1. Structure of Calcined Bauxite Description

Natural Bauxite Lump for Cement Indystry in China CNBM

Bauxite (aluminous soil; Bauxite) is also called the alumina or bauxite; main ingredients are alumina, hydrated alumina containing impurities, is an earthy mineral. The color is white or gray, brown and yellow or light red by iron.  From 4 to 3.9 g/cm3 density, hardness, 1 ~ 3 is not transparent, very brittle, very difficult to melt.  Insoluble in water, soluble in sulfuric acid, sodium hydroxide solution. Mainly used for aluminium, refractory material. 

 

2. Main Features of the Calcined Bauxite

Natural Bauxite Lump for Cement Indystry in China CNBM

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. 

3. Calcined Bauxite Images

Bauxite Mineral Used for Aluminum Making Originated in China

 

4. Calcined Bauxite Specification

Natural Bauxite Lump for Cement Indystry in China CNBM

Rotary Kiln Calcined Bauxite SEMI L.F Specification : Al2O3 : 83.00 + % Fe2O3 : 3.5 % SIO2 : 5 To 6% Cao : 2.5% TIO2 : 4 % , Size : 0-1MM OR 1-3MM

Rotary Kiln Calcined Bauxite G.G.NO.1 Specification : Al2O3 : 80.00 + % Fe2O3 : 3.8 % SIO2 : 6 To 8% Cao : 2.2 To 2.5% TIO2 : 5 To 6 % , 0-1MM OR 1-3MM

Rotary Kiln Calcined Bauxite G.G No.2 Specification : Al2O3 : 78 % Fe2O3 : 4 TO 4.2% SIO2 : 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.

 

5.FAQ of Calcined Bauxite

Natural Bauxite Lump for Cement Indystry in China CNBM

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.

 

 


 

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Q:How many refractory materials does the annual output of 1 million tons of coke oven require?
Refractory materials are expensive, and any refractory accident will lead to a considerable waste of production time and equipment, and sometimes even the product itself. The type of refractory material will also affect energy consumption and product quality. Therefore, it is very important to select the refractory material which is most suitable for various applications. While the economic benefits have great influence, refractory material most suitable for some applications need not be used for materials, but can achieve a balance between material installation cost and performance, this balance is not fixed, but with the introduction of new technology or new refractory materials and changing. History has proved that unremittingly seek metallurgical process more reasonable and development, greatly promoted the development of refractories, quickly resolve these problems has become the modern refractory steel technology development is an important element. The content of this article is to discuss a number of factors including these issues and to provide information on how to solve them.
Q:What are the construction fire-proof materials?
1. fire retardant coating 2. fireproof panel 3. fire proof and sealing material 4. flame resisting decorative materials 5. Green fire prevention materials
Q:Refractory net
The development of the industry of refractory materials is very good, manufacturers are also more and more, especially in the Henan Xinmi side, next to the factory factory, we had visited gold refractory material factory, the scale is very large.
Q:what are the types of piping insulation material fire rating?
There are two grades: 1, the organic material: Grade B Grade B1 hard combustion (fire retardant) 2, inorganic materials: class A no burning it is divided into three levels, attributed to the types of materials!
Q:What are the materials of insulation firebricks?
The raw materials of firebricks, firebricks have various raw materials, and the composition of which can be divided into six categories: soil, stone, sand, mineral, powder and others. One of the raw materials, soil: bauxite, kaoline, clay, diatomite Another raw material, stone: fluorite, kyanite, andalusite, forsterite, vermiculite, mullite, pyrophyllite, chlorite, dolomite, sillimanite, magnesia-alumina spinel, and silica Another raw material, sand: clay sand, zircon sand, quartz sand, and magnesite Another raw materials, mineral: chromium mineral Another raw material, powder: aluminum powder, micro-silica powder, and silicon powder Another raw materials, others: asphalt, graphite, phenolic resin, perlite, cenosphere, sialon, corundum, silicon sulfate, silicon carbide, sodium silicate, silica sol, boron carbide, calcium aluminate cement, nitride material, haydite, aluminum oxide, alumina sol and zirconia, etc.
Q:What is the fire resistance thickness of the thin fire-retardant coatings?
There is no detailed requirement on the thickness of the thin steelwork fireproof coatings in the "Code for application technology of steelwork fireproof coating", and the thickness there refers to a certain thickness which must(at least) have fire resistance for a certain time. The thickness of fireproof coatings in engineering generally depends on the manufacturer's test reports. Our thin steelwork fireproof coatings: the fire resistance is 2.5 hours, the thickness is 4.9 mm, the fire resistance is 2.0 hours, the thickness is 3.5 mm, the fire resistance is 1.5 hours, the thickness is 1.75 mm, the fire resistance is 1.0 hours, the thickness is 1.17 mm.
Q:Does the production of refractory belong to advanced technology?
Refractory is traditional ceramic material. We can only say that national development is relatively backward. If the refractory is counted as new material, then it still has huge development potential.
Q:What are the meanings of azs, 34% and ec in fused brick?
The fused brick, also called zircon corundum brick, is shorted as AZS for three chemical components in Al2O3-ZrO2-SiO2 ternary diagram. I don't know the meaning of EC.
Q:Does anyone know what is a lightweight refractory material?
I am ignorant of this!!
Q:How many refractories are there for boiler above 1200 ℃?
Ordinary clay brick is for burning layer, red brick for external wall, light clay brick for thermal insulation layer, built by clay refractory mortar. Sindeyuan Refractories.Hope you adopt. Thank you. In fact, there are many manufacturers producing furnace burden. We has been using products of Huaheng, which are anti-erosion, easy to construct and can improve production efficiency, reduce steelmaking cost.

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