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Rotary Kiln Overview
Rotary Kiln is also known as rotary calcining kiln, which belongs to building material equipment, which can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to different materials.Cement kiln is used for making of cement clinker and there are dry and wet methods to make cement. Metallurgy chemical kiln is used for magnetic roasting of iron ore and oxidizing roasting of chrome and nickel in the steel factory. Lime kiln is used for baking active lime and dolomite in the steel factory and ferroalloy factory.
Rotary kiln application
Cement kiln is used for making of cement clinker and there are dry and wet methods to make cement. Metallurgy chemical kiln is used for magnetic roasting of iron ore and oxidizing roasting of chrome and nickel in the steel factory, baking high-alumina mine in the refractory material factory,baking chamotte and alumina in the aluminium factory and baking chrome ore and chrome powder in the chemical plant. Limekiln (active limekiln) is used for baking active lime or lightly burning dolomite in steel factory or ferroalloy factory.
Rotary kiln calcining system produced by our company adopts internationally advanced hydraulic chatch wheel, high-precision plunger metering pump, high-precision low speed valve and contact mode graphite sealing device. To improve automatic degree, industrial television is set at kiln head for watching fire with analogical process flow fluoresent screen, and infrared scanner is adopted to reflect the calcining situation on computer directly. This new technology features strong visual, easy operation and reliable work. With stable heat engineering and high rotation rate, this kind of kiln has improved 10% rotation rate, 5%-10% capacity and lower 15% heat consumtion, compared with other same model machine.
Different Types of Circumgyrate Kiln
In the mining production process, there are many types of rotary kilns. According to the firing methods of the kiln, it can be divided into direct fired rotary kiln and indirect fired rotary kiln; according to the processing methods, it can be divided into dry process rotary kiln, wet process rotary kiln and dry and wet types rotary kiln. In addition, Hongji Mine Machinery now has researched and developed a cylinder rotary kiln which has a cylinder drum, thus improving the production capacity of the machine and reducing the energy consumption. And what is more, the clay rotary kiln now also has wide application range in the cement making, building materials and clay manufacturing industry.
In cement production line, calcinating rotary kiln is mainly used for calcinating the cement clinker with high temperature. Therefore rotary kiln is the key equipment of cement production and known as the heart of the cement factory
Technical parameters of rotary kiln
|Model (mm)||Kiln size||Capacity (t/h)||Rotation speed (r/min)||Motor power (kw)||Weight (t)||Remark|
|Diameter(m)||Length(m)||Inclination angle (%)|
|Ø2.8x44||2.8||44||3.5||12.5-13.5||0.437-2.18||55||201.58||Suspension preheating kiln|
|Ø3.0x48||3||48||3.5||25.6-29.3||0.6-3.48||100||237||Outside disassemble kiln|
|Ø3.2x50||3.2||50||4||40.5-42||0.6-3||125||278||Outside disassemble kiln|
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