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what's the shaft kiln

Views: 85 times Updated :2017-09-26

Shaft Kiln is building material equipment, is the main equipment for sintering cement clinker in cement production plant, which can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to different materials.

The calcination principle of  shaft kiln is: mix the solid fuel (coke or anthracite) with qualified stone evenly, use rotary discharging device equipped on kiln roof to discharge the mixture into the kiln, then under its own gravity the mixture proceeds through preheating area, calcining area, cooling area, and finally calcined into qualified finished lime product.


The heat produced by the coke and anthracite of the preheated mixture and the kiln bottom blasted secondary air which has been used to preheat the cold lime has made the temperature to reach up to 950 ~ 1200 °C, thus to complete lime calcination. Due to the add of auxiliary combustion-supporting duct, the temperature at each point is uniform, which ensures the even temperature of the kiln body.

And this kind of  kiln is a Thermal Equipment which is used for heating materials, like cement, copper Metallurgy, ferrous metallurgy, refractory material, paper making etc.

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