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Lime Production Line

cement kiln

Active lime is mainly made of limestone, dolomite, chalk and other minerals with high calcium carbonate content, which are calcined at 1000-1100 °C.

Capacity: 200~1500t/h

Fuel: Coal gas, natural gas, and pulverized coal

Main Equipment: Rotary kiln / vertical lime kiln

AGICO CEMENT supplies different lime production plant solutions for clients according to capacity, budget, kiln type and other elements.

The selection of the active lime production process is determined by many factors: investment costlime activity requirementsfuel selectionraw material particle sizesystem capacity requirements, and environmental protection requirements. We will determine the production process according to the specific situation and requirements of customers.

From now on, we can provide six solutions for the lime production line: 

twin shaft lime kiln
Twin shaft lime kiln

Capacity: 300-800t/d

Fuel: gas, pulverized coal, and etc.

Features: save energy, activity degree reach 360-400ml.

Twin shaft lime kiln also known as twin shaft parallel flow regenerative kiln, is suitable for investors that want medium-sized lime production lines.

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Annular lime kiln

Capacity: 300t/d, 500t/d, 600t/d, etc.

Fuel: gas, pulverized coal, etc.

Features: activity degree is more than 360ml.

The annular vertical lime kiln has a simple structure and is designed for medium-sized lime production lines.

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lime rotary kiln
Lime rotary kiln 

Capacity: 200-1200t/d

Fuel: gas, pulverized coal, gas & coal co-firing, and other fuels.

Activity degree: 360-400ml.

Rotary kiln lime production plant solution is suitable for investors that want large scaled lime production lines and have requirements for the feed size.

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Double beam lime kiln 

Capacity: 100-600t/d

Fuel: gas, pulverized coal, gas & coal co-firing, and other fuels.

Activity degree: more than320ml.

Double beam lime kiln saves energy and require lower investment, it is applied for steel, power and papermaking, etc.

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vertical lime kiln
Coal fuel vertical lime kiln 

Capacity: 100-300t/d

Fuel: coal

Activity degree: more than 320ml.

coal fuel lime kiln is a small-sized vertical lime kiln, suitable for lime production lines with a small budegt or lower capacity.

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vertical lime kiln plant
Large vertical lime kiln 

Capacity: 600-1200t/d

Fuel: coal, gas, and etc.

Activity degree: more than 320ml.

large vertical lime kiln is a large-sized vertical lime kiln, suitable for lime production lines with an large capacity.

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Why Choose AGICO CEMENT?

AGICO CEMENT can provide complete sets of equipment and one-stop service for the production line with a daily output of 200-1500 t/d of active lime, one-stop “turnkey project” services cover feasibility study report, design, equipment, civil construction, installation, commissioning and production standards.

Design

Equipment Supply

Installation & Debugging

Personnel Training

After-sale Service

Successful Cases

SOLUTION1: Lime Production Line With Rotary Kiln

linestone rotary kiln

Active lime is widely used in steel, alumina, metal magnesium, calcium carbide and power plant desulfurization paper industry. Active lime is an important auxiliary raw material for steelmaking. The use of active lime has a series of characteristics such as improving molten steel quality, increasing production, reducing steelmaking consumption and cost, and stabilizing operation. Practice has proved that all enterprises that use active lime to make steel have achieved significant economic benefits.

Investment Cost: The lime production line with a lime rotary kiln as the main equipment has the widest applications, and require large investment and the wide occupied area.

lime production process
Advantages Of Rotary Lime Kiln Production Line

Environmental Protection: the flue gas discharged from the vertical preheater at the kiln end has low temperature and low dust content, which makes the configuration of subsequent flue gas treatment simple and meets environmental protection requirements.

Lime Activity: the rotary kiln is an open calcination, the structure of the kiln body is simple, the air flow is smooth, the sulfur-containing flue gas can be discharged in time, and the sulfur content in the fuel is not easy to adhere, so the finished product has low sulfur content and meets the requirements of steelmaking.

the vertical preheater at the end of the kiln can make full use of the high temperature flue gas generated by the calcination in the rotary kiln, which can not only greatly increase the output of the rotary kiln, but also fully reduce the heat consumption per unit product.

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SOLUTION2: Lime Production Line With Vertical Kiln

The vertical lime kiln is suitable for small-capacity active lime production lines, low-cost, safe and environmentally friendly. The vertical lime kiln uses the principle that the material’s own weight descends and the hot gas rises for heat exchange to burn lime. We supply twin shaft lime kiln, double beam lime kiln, annular lime kiln and other vertical lime kilns

Advantages Of Vertical Lime Kiln Production Line

Advanced Technique: Compared with the rotary kiln, the limes production process of the shaft kiln is simple, the equipment moving parts are few, and the power consumption is low.

High Quality: The lime production line is set with jaw crusher , which can avoid the occurrence of raw burning and over burning due to excessive particle size difference, which not only stabilizes product quality, but also saves energy.

Energy Efficient: Compared with other limestone firing processes, it is more energy efficient. Apply for various types of area.

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Specifications of lime kiln

Specifications of lime rotary 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
Specifications of vertical lime kiln
Effective furnace volume(m3)100-500
Capacity(t/d)80-400
Heat rate(KJ/Kg. lime)910×4.1868
Unit standard coal consumption(Kg/t. lime)< 130
Utilization factor(t/d.m3)≥0.85
Activity degree(ml)≥300
Calcium content of quicklime (%)≥90
Over-burning rate of quicklime (%)< 5-7
Quick lime consumption(t/t)1.8
CO2 concentration in flue gas (%)42
Soot emission index(mg/Nm3)< 10
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