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Rotary Kiln

Rotary Kiln

Applied Materials: Calcination of clay, limestone, cement clinker, etc. in the industries of metallurgy, refractory matter and chemical plant and other industries.

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What is Rotary Kiln?

The rotary kiln was created in cement production. Dating back to 1824, an English cement worker developed the first interval operated vertical kiln. About 30 years later, another English people R&D the rotary kiln. From then on, the cement industry gets rapid development and meanwhile, the rotary kiln gets generation development. As a kind of commonly used calcining equipment, rotary kiln is widely used in construction, building materials, metallurgy, chemical industry and environmental protection industry. In addition to the calcination of clay, limestone, slag, iron, aluminum, copper, zinc, iron ore, concentrate and intermediate materials, it also has thermal reaction, heat exchange, degradation and utilization of waste and other functions.

Rotary Kiln at Customer Site.jpg

FTM Rotary Kiln at International Project Site

Applications of Rotary Kiln

>>Building Materials Industry

In addition to the calcination of clinker, the kiln can also be used for the drying of limestone, slag, and clay, etc. In refractory material production, the rotary kiln is used to calcinate and keep a stable size of the raw material and improve the strength. 

>>Ore Dressing Industry

In the ore processing, rotary kiln can be used to magnetizing roast the deletion iron to improve the magnetism, which is better for the magnetic concentration.

>>Metallurgical Industry

It is usually used for the sintering of ore, concentrates, intermediate materials and for the smelting of iron, aluminum, copper, zinc, tin, nickel, tungsten, chromium, file, and other non-ferrous and ferrous metal.

>>Environmental Protection Industry

The cement kiln is used in hazardous waste and other waste burning. After the kilning process, waste can be harmless and be used as a resource.

>>Chemical Industry

Rotary kiln for the production of soda, calcined phosphate fertilizer, barium sulfide, etc. The mode of phosphoric acid production by rotary kiln can date back to the 1960s. After near half a century, this process is developed with the advantages of low energy consumption and no use of sulphuric acid, etc.

Rotary Kiln Different Applications.jpg

Rotary Kiln Applied in Different Industries

Working Principle of Rotary Kiln

Rotary kiln is a cylinder set at a certain angle. When a rotary kiln works, the cylinder rotates to make the materials inside get fully mixed and contacted. Coal injection combustion at kiln head produces a lot of heat that is transmitted to the materials by the fire radiation, scorching air exchange and the transmission of the body. Materials steps forwards under the effect of gravity and the rotation of the cylinder.

Structural Advantages of Rotary Kiln

It mainly consists of the body, a driving device, a supporting device, blocking wheel, kiln head sealing device, kiln tail sealing device and kiln hood. 

Rotary Kiln Structure.jpg

Rotary Kiln Process

Classification of Rotary Kiln

1. According to the exterior, it can be divided into variable-diameter rotary kiln and path rotary kiln;

2. According to the usage, it can be divided into the cement rotary kiln, magnesium metal rotary kiln, ceramsite sand rotary kiln, kaolin rotary kiln, lime rotary kiln, etc.

3. According to the fuel, it can be divided into gas rotary kiln, coal rotary kiln and mixed-fuel rotary kiln.

Classic Case of Rotary Kiln

In South Africa, FTM rotary kiln is used in limestone production line with a production capacity of 50TPH.

Rotary Kiln Site.jpg

Fote Rotary Kiln at Customer Site

Fote Machinery can design and produce various types of rotary kiln for sale, which has the ISO9001 quality certification to meet the needs of different customers. What's more, the rotary kiln price of our company is favorable among rotary kiln manufacturers.

General Specification

Product 
Specification
(m)
Kiln dimensionsMotor 
power
(kw)
Total 
weight
(t)
note
Diameter
(m)
Length
(m)
Obliquity
(%)
Capacity
(t/d)
Rotation 
speed
(r/min)
Φ2.5×402.5403.51800.44-2.4455149.61

-----

Φ2.5×502.55032000.62-1.8655187.37-----
Φ2.5×542.5543.52800.48-1.4555196.29

outside

disassemble

kiln

Φ2.7×422.7423.53200.10-1.5255198.5------
Φ2.8×442.8443.54500.437-2.1855201.58

outside

disassemble

kiln

Φ3.0×453453.55000.5-2.4775210.94------
Φ3.0×483483.57000.6-3.48100237

outside

disassemble

klin

Φ3.0×603603.58000.3-2100310------
Φ3.2×503.550410000.6-3125278

disassemble

klin

Φ3.3×523.3523.513000.266-2.66125283

kiln with

preheater

precalcine

Φ3.5×543.5543.515000.55-3.4220363

kiln with

prehrater

precalcine

Φ3.6×703.6703.518000.25-1.25125419

Generating

klin for

usimg ofterheat

Φ4.0×56456423000.41-4.07315456

klin with

prehrater

precalcine

Φ4.0×604603.525000.396-3.96315510

klin with

prehrater

precalcine

Φ4.2×604.260427500.41-4.07375633

klin with

prehrater

precalcine

Φ4.3×604.3603.532000.396-3.96375583

klin with 

prehrater

precalcine

Φ4.5×664.5663.540000.41-4.1560710.4

klin with

prehrater

precalcine

Φ4.7×744.774445000.35-4630849

klin with

prehrater

precalcine

Φ4.8×744.874450000.396-3.96630899

klin with

prehrater

precalcine

Φ5.0×74574460000.35-4710944

klin with

prehrater

precalcine

Φ5.6×875.68748000Max4.238001265

klin with

prehrater

precalcine

Φ6.0×95695410000Max5950×21659

klin with

prehrater

precalcine

Product 
Specification
(m)
Capacity
(t/d)
Rotation 
speed
(r/min)
Φ2.5×401800.44-2.44
Φ2.5×502000.62-1.86
Φ2.5×542800.48-1.45
Φ2.7×423200.10-1.52
Φ2.8×444500.437-2.18
Φ3.0×455000.5-2.47
Φ3.0×487000.6-3.48
Φ3.0×608000.3-2
Φ3.2×5010000.6-3
Φ3.3×5213000.266-2.66
Φ3.5×5415000.55-3.4
Φ3.6×7018000.25-1.25
Φ4.0×5623000.41-4.07
Φ4.0×6025000.396-3.96
Φ4.2×6027500.41-4.07
Φ4.3×6032000.396-3.96
Φ4.5×6640000.41-4.1
Φ4.7×7445000.35-4
Φ4.8×7450000.396-3.96
Φ5.0×7460000.35-4
Φ5.6×878000Max4.23
Φ6.0×9510000Max5

Ceramsite Sand Rotary Kiln

Feed Size: 10-50mm

Capacity: 180-10000t/d

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Raw Mill

Motor Power: 130-3550kw

Capacity: 4.5-210TPH

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Coal Mill

Feed Size:<25mm

Capacity: 8-43TPH

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Cooling Machine

Capacity: 2-36TPH

Dia.×Length: Φ1.5×15-Φ3.3×40m

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Lime Kiln

Capacity: 150-1000TPH

Feed Size: 125-1200mm

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Cement Mill

Power: 245-4200kw

Capacity: 21-155TPH

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 product background picture

Professionalism builds quality and integrity creates international Fote Brand. Henan Fote Heavy Machinery Co,. Ltd, is a large joint-stock corporation, majoring in heavy mining machinery and civil machinery manufacturing.

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Provide on-site installation service, professional technical team on-site installation

Provide regular return visit service to help users optimize equipment maintenance

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