Rotary lime kiln

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Rotary lime kiln for sale

Materials: limestone

limestone

Capacity: 100-10000t/h

Application: clinker plant, cement plant, metallurgy, etc.

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Rotary lime kiln is designed for lime production plant, it is used for calcination of limestone and process active lime. Rotary lime kiln is developed on the basis of traditional rotary kiln combined with the characteristics of active lime product indicators, so it has high reliability, and consumes less energy during operation. It is an environmentally friendly rotary kiln that is currently popular among users.

AGICO – Trustable rotary kiln manufacturer

AGICO CEMENT is a rotary kiln manufacturer from China, we have a large rotary kiln production base to manufacture rotary kilns and related kiln parts. We also have engineering team to support customization services and supply high-quality rotary kilns according to clients’ requirements.

Factory direct supply

quality assurance

24h service

convenient operation

Our factory

Our production base covers an area of 153,800 square meters, of which the workshop construction area is 85,000 square meters, and the maximum lifting capacity of a single crane is 200t. The company has φ5.3×18m (loading 200t) CNC horizontal lathe, φ5.5×18m cylinder lathe, φ8m heavy digital display vertical lathe, φ8.0m heavy hobbing machine, 14×5m CNC floor boring and milling machine 3.4×10m CNC Gantry boring and milling machine, 120mm CNC plate rolling machine, φ6.5×20m large annealing furnace, φ6.5×20m sandblasting room, 1800t four-column hydraulic press, 10t electric arc furnace and other heavy machinery manufacturing equipment more than 100 sets (sets), is a comprehensive machinery enterprises with strong processing capacity.

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OUR ADVANTAGES

Our rotary lime kiln has many highlights among rotary lime kilns on the market, such as high automation, less energy consumption, wide range of raw materials, high-quality finished products, etc.

Environmental protection, energy saving

Active lime rotary kiln has the characteristics of environmental protection, energy saving, mechanization and high degree of automation (PLC/DCS bus control).

Advanced technology, low energy consumption

The active lime rotary kiln is constantly updating the combustion system. In addition to the conventional coal-fired heat source, clean heat sources such as coal gas and natural gas can also be used. Modern new burner technology is adopted to make full use of energy, especially reducing the impact on the environment during the production process.

Raw materials are adaptable and high quality

The CaO content of the finished product is above 92%, the activity is >320ml, and the advantages of easy maintenance and low energy consumption are regarded as the preferred kiln type by this industry.

Stable operation and high output

The active lime rotary kiln adopts a new type of kiln head and kiln tail sealing technology and device, which has the remarkable characteristics of stable operation and high output.

OUR SERVICE

1. Raw Material Test

2. Program Design

3. Device Manufacturing

4. installation

5. debugging

6. Technical Training

7. delivery on time

8. after-sales service

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OUR CASES

rotary lime kiln working process

Limestone is heated to about 900 ℃ by the flue gas of 1150 ℃ kiln in the preheater, and about 30% of it is decomposed. Limestone is calcined and decomposed into CaO and CO2 in the rotary kiln. The lime generated after decomposition enters the cooler, and the cold air blown into the cooler is cooled to below 100 ℃ and discharged. The 600 ℃ hot air after heat exchange enters the kiln to mix fuel with gas. The waste gas is then mixed with cold air to enter the bag filter through the induced draft fan, and then discharged into the chimney through the exhaust fan. Lime discharged from the cooler is sent to the lime silo through the vibrating feeder, chain bucket conveyor, bucket elevator and belt conveyor. The screening and other processes can be added according to user needs.

In the whole lime roasting system, the preheater is divided into several preheating chambers according to different output. Each preheating chamber is equipped with a set of hydraulic pushing device, and is equipped with an automatic control system to transmit relevant data to the PLC control platform of the central control room to achieve central centralized control. This system has a high degree of automation and can realize single point control, making the production process more convenient.

The system balance is emphasized in the process, and the system air leakage and other aspects are improved to make the material and fuel ratio more reasonable, reduce fuel energy loss, and save investment.

Quality indicators: activity of active lime ≥ 360, outlet temperature of waste gas is less than 200 ℃, and dust content of waste gas is less than 50mg/Nm3.

specification of rotary lime kiln

Capacity (t/d)1502002503003504005006007508001000
ProductActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomiteActive lime, Calcined dolomite
PreheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterCircular vertical preheater or polygonal vertical preheaterpolygonal vertical preheaterpolygonal vertical preheaterpolygonal vertical preheater
Rotary kilnsize(m)Φ2.5×40Φ2.8×42Φ3×46Φ3.2×50Φ3.5×54Φ3.6×56Φ3.8×58Φ4×60/Φ4.2×50Φ4.3×58Φ4.3×64Φ4.8×68
Effective  volume (m3142190235292390430505575/5486707381005
Temperature (℃)1350/12501350/12501350/12501350/12501350135013501350135013501350
CoolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical coolerSquare vertical cooler
FuelGas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Gas,
pulverized coal
Heat rate(KJ/KgC3O)5300/50005300/50005300/50005300/50005225522551005100481048104810

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