Rotary Kiln Bauxite Ore Specification/ Calcined Bauxite Buyer in China

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Quick Details

Place of Origin:

Shaanxi, China (Mainland)

Shape:

Powder

Material:

AL2O3 ORE, ore

SiO2 Content (%):

5%MAX

Al2O3 Content (%):

87% MIN

MgO Content (%):

0.1%MAX

CaO Content (%):

0.2~0.4%MAX

Refractoriness (Degree):

Super-Class (Refractoriness> 2000°)

CrO Content (%):

0.1~0.3%MAX

SiC Content (%):

0.1~1.4%MAX

Model Number:

rotary kiln calcined bauxite

Brand Name:

CNBM

Type:

raw refractory

Fe2O3:

1.5% Max

Size:

0-1-3-5-8-10/200mesh/325mesh/400mesh/500mesh

Bulk Density:

3.28% MIN

Color:

pray

Package:

1mt /bag

Usage:

refractory bricks

Certificate:

ISO 9001

Advantage:

stable quality

Packaging & Delivery

Packaging Details:jumbo bags or depends on customer's order
Delivery Detail:15-20 days after getting the payment

 

ROTARY KILN CALCINED BAUXITE

 

Product Feature

1. Support device: advanced shaft structure, automatic temperature measuring device and electrical heating.
2. Catch wheel: including two kinds mechanical wheel and hydraulic pressure.
3. Gears: single or double. Control the rotating speed by variable motor, DE machine and frequency variable motor. Be reliable, energy –saving, and efficient.
4. Cylinder tyre bolster: lower bolster has three types: fixed, zoom and floating. The structure is simple, replacement is convenient and won’t hurt cylinder.
5. Sealing equipment: there are many kinds for choice according to kiln models, including air cylinder edge sealing, spring edge sealing, and graphite block sealing and combination for above. The feather is adaptive for cylinder rotating and swing. And sealing effect is very good.
6. Kiln head hood: including stationary type and flexible type.

 

Chemical Component

 

Al2O3

SiO2

Fe2O3

CaO+MgO

K2O+NaO

Density

TiO2

80%

6-14% min

2%-3% max

0.4% max

0.05-1% max

2.9-3.2

3.5% max

85%

6-14% min

2% max

0.4% max

0.05-1% max

2.9-3.2

3.5% max

87%

6-14% min

2% max

0.4% max

0.05-1% max

2.9-3.2

3.5% max

88%

6-14% min

2% max

0.4% max

0.05-1% max

2.9-3.2

3.5% max


 

Specification

 We directly supply calcined bauxite

 Al2O3:70%/75%/80%/85%/86%/88%/90%

Size

Lumps /Grains:0-1mm,1-3mm,3-5mm,5-8mm 

           Powders:100mesh, 200mesh,325mesh

Rotary Kiln Bauxite Ore Specification/ Calcined Bauxite Buyer in China

Packaging

  
Packaging Details: Packing in 1 MT big bag or 25KG pp bag.

Delivery Detail: Within 20 days upon receipt of T/T prepament or workable L/C.

 Use

 

The company produces other kilns with the diameter1-5 meters, widely applies in the metallurgy, the chemical industry, bears professions and so on material, Ceram site, papermaking. This kind of kiln’s supporting is divided into two forms of rolls and skids, the transmission may use direct-current or the exchange frequency conversion velocity modulation, and has many kinds of form seals to adapt the different operating mode.

Our company could also meet different needs from different customer to produce Non-standard kiln.
Rotary kiln is composed of cylinder, gears, supports device, kiln liner and kiln tail sealing equipment, kiln head hood, and combustion.

Cylinder as heated pivoting part, made of high-quality carbon steel plate, is supported on the first or some gear in order to control the turning of cylinder. Gearing gyrate according to process-required rotating speed by ring gear in the middle of cylinder. Because of the need of installation or maintenance, bigger rotary kiln has auxiliary gears, which makes cylinder gyrate more slowly. To prevent cold air come in and dust overflow, the reliable kiln tail and head sealing equipment is installed on feed and discharge end.

Rotary Kiln Bauxite Ore Specification/ Calcined Bauxite Buyer in China

 

Our Services

 

We offer competitive price.

 

We provide professional product consultation.

 

We have precise quality control department.

 

We have complete customer services system.

 

We have export quota permit of some restrict minerals products.

 

We provide all kinds of certificate according to clients’ requirements.

 

We are willing to help clients to look for any potential products and goods.

 

 

 

Company Information

 China National Building Materials Group Corporation (CNBM) was established in 1984 with approval from the State Council, and then became a Central Enterprise under direct supervision of State-owned Assets Supervision and Administration Commission of the State Council in 2003.

 

CNBM practices the parent-subsidiary management system, and is one of those wholly state-owned enterprises carrying out the pilot trial of Board of Directors system and innovation system. As the strategic center, decision center, resources center, and policy & culture center, our Group exercises its right as a contributor. Whereas, our sub-groups functioning as business platforms, are mandated to construct the profit center based on their core competences to enlarge brand awareness and increase market share.

 

Rotary Kiln Bauxite Ore Specification/ Calcined Bauxite Buyer in China

FAQ

Why cooperate with us?

1)Quality products
2)Competitive price
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4)Shorter lead time
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We appreciate the opportunity to meet your need. Please kindly contact us right now if you're looking for a professional supplier.



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Q:who knows the requirements of refractory for forge furnace?
Here is the requirements of refractory for forge furnace: according to the chemical properties,casting fireproof materials are divided into three major categories: acidic, neutral and alkaline refractory materials. alkaline and neutral refractory materials are commonly used, such as alkaline magnesia-carbon bricks and burned magnesite bricks, magnesite-chrome bricks, magnesium-calcium brick, neutral high alumina brick, corundum brick, clay brick, etc., shapelessness materials include: castable refractory, ramming mass, gunning mix, coating, dry vibrating materials and so on! Hope my answer can help you.
Q:How long is the fire-resistant time of fireproof wooden door?
fire endurance class A (1.5 hours), class B (1.0 hours), class C (0.5 hours).
Q:What is the criterion of entry of refractory clay industry?
Chemical composition of refractory clay is one of the important factors affecting its quality. Al2O3 is the beneficial part of refractory clay, and it mainly exists in aluminum hydroxide minerals (diaspore, boehmite, gibbsite), and it also exists in aluminosilicate minerals (kaolinite, illite montmorillonite, etc.). In general, the content of Al2O3 in soft and semi-soft clay is 30% to 45%, the hard clay is 35% to 50%, and high alumina clay 55% to 70%. Fe2O3 mainly exists in hematite, magnetite, goethite and siderite, and is the main harmful component of refractory clay. There is no evident law on the content of Fe2O3. The content in high alumina clay is 0.5% to 2.2%, hard clay is 0.5% to 2.5%, and the soft clay is generally 1.0% to 2.5%. K2O and Na2O are harmful impurities in refractory clay, which mainly exist in illite and mica and other minerals, and the content varies greatly. CaO and MgO, etc., although they are harmful impurities, but the content is generally small.
Q:What are grade classifications of the external walls for fireproofing?
The classfication of external wall material fire rating is as follows: Level A: Complete retardant building materials may not occur combustion, and the cost is relatively high, home decoration do not need such a high standard. In general, it can be used in the arms powerhouse and electrical appliance store. Level B1: non-flamble construction material has high flame-retardant, it will not be burn under the conditions of open fire and high temperature, but if it is attacked by these two conditions, it may still be burning. However, when the source of fire is transfered, it will be immediately extinguished. Level B2: Combustible building materials have a certain degree of flame resistance, but the effect is very little. Under the condition of sufficient air, it will break out fire even in high temperature, such as wood building materials. Level B3: As long as the flammable building materials meet the source of fire or high temperature, it will break out fire. Currently, this product doed not sale on the market. So what are the external wall thermal insulation fireproofing materials? According to several grades, I will give you some specifical examples. Level A insulation material: Glass wool, foam glass, foam cement, hole-closed perlite, rock wool; level B1 : Extruded polystyrene board through special processing, referred to xps. The other is polyurethane through special treatment, referred to pu. In addition, there are phenolic aldehyde and gelatine powder polyphenyl granule; level B2: Polyethylene, referred to pe. Molding polystyrene board, referred to as eps.
Q:Does anyone know about the fire resistance period of thin fireproof coatings?
Outdoor thin steelwork fireproof coatings have a fire resistance of 2.0 hours, the thickness of coatings is between 4.5 to 5 mm, the standard amount is 5.5 to 6kg per square meter. Specific situations vary according to the thickness data provided by manufacturers . The fireproof coatings are applicable for the surface of combustible substrates, which can reduce the flammability of the surface being painted, and block the rapid spread of fire. They can be used to improve the fire resistance of the materials being painted. The fireproof coatings are coated on the substrate surfaces. They are also rustproof, waterproof, wearproof, heatproof and anticorrosive apart from flame retardant. They have good tenacity, stainability, adhesiveness, glossiness and fast-drying nature.
Q:How is refractory material made?
It is made by mixing and processing of various refractories.
Q:As for fireproofing material rock wool and glass wool, which one is better?
First of all, glass wool and rock wool fireproof materials, rock wool and glass wool belong to Class A fireproofing rating, secondly, rock wool can endure high temperature of 800 degrees, glass wool high temperature of 450 degrees, again,unit weight of rock wool is relatively heavier and unit weight of glass wool is lighter, finally, glass wool has better waterproof performance.
Q:What is the fire resistance thickness of the thin fire-retardant coatings?
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:What thickness is needed of the ultra-thin fireproof paint with a fireproof time of 2.5 hours?
The thickness of steel structure fire retardant coating hasn't been regulated in the steel structure application specification (CECS24:90). The above thickness refers to a certain thickness that must (at least) achieve a certain time of the fire resistance. The thickness of fire-retardant coating in engineering is generally determined according to factory inspection report. We use thin steel structure fire retardant coating: 2.5 hours' fire resistance with the thickness of 4.9 mm; 2.0 hours' fire resistance with the thickness of 3.5 mm; 1.5 hours' fire resistance with the thickness of 1.75 mm; 1.0 hours' fire resistance with thickness of 1.17 mm. I hope I can help you.
Q:What are the differences between thermal insulation material and refractory?
Just as its name implies, Thermal insulation means that it doesn't conduct heat instead it insulates heat inside, while refractory means resistance to high temperature and it will not be out of shape or damaged due to high temperature.

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