calcination rotary kiln for bauxite made 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

Condition:

New

Production Capacity:

Refer to specification

Place of Origin:

Henan, China (Mainland)

Brand Name:

cnbm

Model Number:

Refer to specification

Voltage:

220

Power(W):

Refer to specification

Dimension(L*W*H):

according to models

Weight:

various

Certification:

CE,ISO9001

Warranty:

one year

After-sales Service Provided:

Engineers available to service machinery overseas

Calcination rotary kiln for bauxite:

high efficiency

Factory:

50,000 square meters closed workshops

Technology:

30 years experienced technology support

Technical service:

the whole using life

Product supply:

crushing machine, grinding machine, ore dressing equipment

Grinding machine:

Raymond mill, ball mill, coal mill

rotation speed:

0.10-3r/min

capacity:

0.9-42t/h

Workers:

more than 660

Experts:

more than 80 with senior engineering technicians





Packaging & Delivery

Packaging Details:standard containers, bare main machine, motors and small parts are packed in wooden cases.
Delivery Detail:5~25 working days after placing the order

Specifications

Calcination rotary kiln for bauxite 
1.Good sealability 
2.Precise control,energy saving 
3.CE,ISO 
4.30 year experience

 

Product Description 

Features of calcination rotary kiln for bauxite

1)  It is an inclined rotary cylinder, the raw material enter the cylinder through the high end of the machine,then move in with the movement of of the rotary kiln. Therefore, the rotary kiln is a conveying equipment.
2) It is a combustion device.

3)  It has the function of heat exchange.
4)  It has the chemical reaction function.
5)  It has the function of degrading and re-using the waste.

Advantages of calcination rotary kiln for bauxite

◊. Energy-saving and environmental-protection, using wastes as fuel

◊. Solid structure, stable operation

◊. High-usage of thermal energy

Application of calcination rotary kiln for bauxite

1. Rotary kiln is commonly used in the production process of catalytic agent, molecular sieve and zinc oxide, etc.

As a result, you can find rotary kiln for bauxite in variety of industries, like steel annealing and nonferrous smelting industries, metallurgy and chemistry fields, and building industries, and more.

2. Rotary kiln system, which is also called a rotary calcine kiln, is a commonly used building material machine. Classifying by material properties, a rotary kiln falls into cement kilns, metallurgy chemical kilns, and lime kilns.

Technical parameters of calcination rotary kiln for bauxite

 

calcination rotary kiln for bauxite

calcination rotary kiln for bauxite

 


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Q:How long is the duration of fire resistance of hollow glass magnesium board
Glass magnesium board is non-combustible board with excellent fire resistance ability, the continuous burning time of flame is 0, non-combustible at 800℃, no flame at 1200℃, achieving the highest level of fire retardant level A1; Partition System cooperated with high-quality keel can endure fire for more than 3 hours. In the process of combustion, a large amount of heat energy can be absorbed, and the temperature of the surrounding environment will be delayed.
Q:What are the advantages and disadvantages of new external wall fireproof and thermal inuslation matertials?
The new external wall fireproof and thermal inuslation matertials have both the advantages and disadvantages. Advantages: 1)Low requirements on the waterproof, weather resistance and other technical indicators. The dry wall and gypsum plastering mortar, etc. can meet the requirements and can be easily obtained; 2) The inner insulation material are separated by the floor, and construct within a height of only a storey , without erecting scaffold ; 3) In the hot summer and cold winter or hot summer and warm winter area, the inner insulation meets the requirements; 4) The glass beads overcome the shortcomings of expanded perlite, like, large amount water absorption, easy powdering, big volumetric shrinkage in the slurry mixing process, easily leading to post-insulation product performance degradation and hollowing, cracking, and also make up for the defects of polystyrene particles organic materials, like, flammable, poor fire performance, producing harmful gas at high temperatures and anti-aging, poor weather resistance, poor workability and large rebound in construction, ect. Disadvantages of external wall insulation : 1) Since the ring beam, slab and column structure would cause thermal bridges, leading a greater heat loss; 2) It is of low intensity, high water absorption, easy to shrink and crack. The insulation system is prone to cracking, leaking or loss and other common quality problems, especially it is easy to crack at the seams, thus being difficult to exsit as long as the building. 3) It is inconvenient for the users to redecorate and hang ornaments; 4) It takes up indoor used space;
Q:which is better as household fireproof material ?
the thickness recommended is 1mm or more # 304 stainless steel plate, refractory corrosion-resistant, easy to clean. It now appears that among the most common fireproof material, asbestos is the best. But the asbestos harmful effect is also great, especially for lung damage. Now on the market, the polyurethane, polystyrene, rock wool glass wool, phephenolic aldehyde fireproofingthermal insulation board. But now the phenolic aldehyde fireproofing thermal insulation board has superior performance! phenolic aldehyde containing only carbon, hydrogen and oxygen atoms, when subjected to pyrolysis, except small amounts of CO gas, the other will not produce toxic gases, maximum smoke density is 5.0%.
Q:How is the development of Xinmi refractories industry? What's its advantages and disadvantages?
The disadvantage is too small yard, vicious competition among each other and confusion in the market, which should be the inferiority of national refractory industry . Xinmi Refractory is well developed in recent years, mostly acidic and neutral refractories. It is still relatively rare to use in iron parts, steel pile with a satin and other basic refractory slide .
Q:How is the performance of refractory materials?
It is a little difficult to answer. There are some requirement for refractory materials, such as fire resistance, softness, creep, thermal shock, abrasive resistance. Besides, requirements for construction performance include: Liquidity, plasticity and other linear change rate, volume density, strength (including high temperature) and all other important indicators must be tested the same conditions with the use of test conditions and test items like body density, strength, line changes in the basic project
Q:How much is refractory spraying coatings?
This depends on whether you use the thin coatin or thick coating. Then it depends whether you use an aqueous coating or oily one. Usually thick aqueous coating is 2-3 dollars per kilogram. While the thin is six or seven dollars per kilogram. The oily coating is more than ten dollars. The prices obtained from the Internet is for reference only.
Q:Is the linear change on reheating the same as heating permanent linear change of refractory material?
“+”represents expansion. the afterexpansion and aftercontraction after cooled to be at room temperature. The change may significantly damage the masonry of thermal kiln. There are regulations on the linear change on reheating of common refractory material in the national standard. Some physical chemical changes may continue. It is defined as the change from being heated to the specified temperature of refractory material sample. Heat preserving for a while till afte cooling to be at room temperature, then the residual will expand or contract in its length, heat preservation for a while, organization vitrification, the irreversible changes of its length refers to heating the firing refractory to be at high temperature, so as to make the volume of refractory materials expand or contract, due to the influence of uneven temperature or lack of time, otherwise it will cause the deformation of the refractory ball and make this indicator within standard even reach smaller value, so firing control must be strengthened in product production. But it is should not be too high. For refractory materials with same chemical composition, the linear change on reheating is produced in the heating process. Properly increasing sintering temperature and prolonging the holding time is an effective process measures, make its firing inadequate. When subjected to high temperature, it can reduce the thermal shock resistance. Minus sign "-" represents contraction. The permanent line rate refers to heating the fire refractory ball to the specified temperature. Linear change on reheating, also known as residual linear change, is an important indicator to assess the quality of refractory in the long time use. To control the permanent line rate within the standard or reach the minimum value.
Q:How about the prospect of refractory material?
Area depends the market. Resource-based industry
Q:Does the aluminum silicate thermal insulation material fireproof?
it can be fireproof and has a strong fireproof performance.
Q:How should refractory cement be used?
Insulation fire mortar: It is used as a protective refractory layer in the kiln head burner, as a refractory material in some parts of preheater, and it is generally constructed by grouting. b: Insulation fire mortar: It is used to repair the deformed plane of the kiln shell, or for thermal insulation of the roof in the cooler. Refractory mortar: It is also known as thermosetting fire mortar, mainly used in brick masonary. When using, we must add the glassy water to stir. (silicic acid sodium, water, NaSiO3, H2O).

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