Energy Saving Rotary Lime Kiln Process With Advanced Structure Stable Operation
Brand Name:ZK CORP
Minimum Order Quantity:1 Set
Place of Origin:China
Price:Negotiable
Raw Material:Limestone
Project Scale:50-1000TPD
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Location:
Zhengzhou Henan China
Address:
15th Fl, Bldg No.13, National University Science Park(East), No.279, West 3# Ring Rd, Zhengzhou, China
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within 35 hours
Product Details
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Product Details
Good Quality Active Lime Plant Machinery From China Manufacturer
Energy Saving Rotary Lime Kiln Process With Advanced Structure And Stable Operation
Overview of Quick Lime Production
Active lime is produced from limestone, dolomite, chalk and other
minerals with high calcium carbonate content by the calcination
process under the temperature of 1000-1100 ° C. There are various
processes for the active lime production, mainly including:
Advanced 'Preheater-Rotary kiln-Vertical cooler' energy-saving
process, Traditional 'long rotary lime kiln' process, Mixed buring
vertical kiln process, Gas-fired or oil-fired vertical kiln process.
The selection of the active lime process is effected by many
factors, such as : the activity requirement, the fuel, the
limestone sizes, production capacity, environmental-protection
requirement.
We will select the most workable and efficient and economical
solution based o the clients' specific requirement and conditions.
Production Process
1. Energy Saving Rotary Lime Kiln Process
Rotary kiln is one kind of furnace which is widely used for
calcined active lime production in the world. It is also widely
used in many industries such as construction materials, metallurgy,
chemical and environmental protection. The energy-saving rotary
lime kiln has the advanced structure and stable operation. It
adopts the vertical preheater with low pressure loss which can
effectively improve the preheating effects. The raw materials’
decomposition rate in the vertical preheater can reach to 30%
before entering into the rotary kiln. It is also suitable for
different fuels including pulverized solid fuel, liquid fuel and
gas fuel. The final lime products have high activity. This kind of
rotary kiln already have been widely used in the steel industry and
chemical industry.
2. Traditional Rotary Lime Kiln Process
The long rotary lime kiln has the characteristics of simple
structure and stable operation. It increases the length of the
rotary kiln cylinder to improve the preheating effect, and after
preheating, the limestone is entering into the calcination zone for
decomposition; The limestone feeding size can be 10 ~20 mm, 20~40
mm. It can use various fuels including pulverized solid fuel,
liquid fuel and gas fuel. The final lime or dolime product has
relatively higher activity. This kind of rotary kiln is suitable
for middle & small production lines, and is suitable for the
lime production with limestone with small sizes or lower heat
strength.
3. Mixed Burning Vertical Lime Kiln Process
The qualified raw materials and solid fuels are mixed uniformly
according to a certain proportion and then sent to the vertical
kiln through a single bucket elevator for calcination. After
calcination, the final lime products are discharged from the bottom
of the vertical kiln through a discharge device to the conveyor,
and the conveyor sends the final lime products to the storage silo.
The hot flue gas generated by calcination will firstly go into the
dust collecting system, and then the clean flue gas will be emitted
through chimney to the atmosphere.
Production Process
Our Lime Plant Project Brief Description:
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Energy Saving Rotary Lime Kiln Process With Advanced Structure Stable Operation
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