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Focus on heavy equipment
Magnesium rotary kiln is mainly used for calcining dolomite, it is a special rotary kiln developed according to the calcination characteristics of dolomite and the process requirements of Pidgeon process for magnesium refining. It is the key equipment of
Magnesium rotary kiln is mainly used for calcining dolomite, it is a special rotary kiln developed according to the calcination characteristics of dolomite and the process requirements of Pidgeon process for magnesium refining. It is the key equipment of
Magnesium metal is a widely distributed mineral with active chemical properties, certain ductility and heat dissipation. Magnesium rotary kiln is mainly used for calcining dolomite, it is a special rotary kiln developed according to the calcination characteristics of dolomite and the process requirements of Pidgeon process for magnesium refining. It is the key equipment of dolomite calcining system. The calcined dolomite produced by rotary kiln has the characteristics of stable and uniform quality, high activity and low loss on ignition, which fully meets the process requirements of Pidgeon process for magnesium refining, and makes the magnesium extraction rate and silicon utilization rate relatively high, reducing the production cost of magnesium metal. It is an ideal equipment for calcining dolomite in magnesium industry.
Suitable for calcining dolomite, magnesite, chromite, fluorite powder, etc.
The magnesium rotary kiln is mainly composed of a supporting device, a rotating cylinder, a supporting device with a retaining wheel, a kiln head sealing device, a kiln tail sealing device, etc. The kiln body will be at a certain inclination and supported by the entire supporting wheel device. The transmission part is also equipped with an auxiliary transmission device. The kiln head adopts a shell-type seal to ensure the reliability of the seal.
Dolomite is fed into the kiln through the kiln tail (high end) chute. Due to the inclination and slow rotation of the cylinder, the dolomite rolls along the circumference on one side and moves axially from the kiln tail (high end) to the kiln head (low end) on the other side; the fuel is sprayed into the kiln from the kiln head end through the burner for combustion, and the heat is transferred to the dolomite in various ways such as radiation, convection, and conduction. The dolomite undergoes preheating, decomposition, and sintering in the kiln, calcined into calcined white, and then unloaded from the kiln head device.
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1. The number of fulcrums of the magnesium rotary kiln is 2 to 4 (mainly 3), which makes it easier to ensure that the contact surface between the kiln wheel and the belt is parallel to the axis of the cylinder.
2. The support device of the magnesium rotary kiln adopts rolling bearings, which simplifies the structure, reduces useless power loss, and facilitates inspection and maintenance.
3. The magnesium rotary kiln adopts a slow kiln body structure, which is more convenient for installation and commissioning; when inspecting the main drive system or other situations, it ensures that the kiln body operates normally; prevents the kiln body from bending and deforming during the cooling process.
4. Depending on the type of kiln, the magnesium rotary kiln can choose mechanical wheels or hydraulic wheels, both of which have high precision, high reliability, good stability, and easy adjustment.
5. The magnesium rotary kiln uses heat-resistant steel flake seals at the kiln head and kiln tail, which have better sealing, higher reliability, longer service life, and more convenient replacement.
| Model | Diameter(m) | Length(m) | Slope(°) | Capacity(t/h) | Speed(r/min) | Power(kw) | Weight(t) |
|---|---|---|---|---|---|---|---|
| Φ1.4×33 | 1.4 | 33 | 3 | 0.9-1.3 | 0.39-3.96 | 18.2 | 47.5 |
| Φ1.6×36 | 1.6 | 36 | 4 | 1.2-1.9 | 0.26-2.63 | 22 | 52 |
| Φ2.0×40 | 2.0 | 40 | 3 | 2.5-4 | 0.23-2.26 | 37 | 119.1 |
| Φ3.0×48 | 3.0 | 48 | 3.5 | 25.6-29.3 | 0.6-3.48 | 100 | 237 |
| Φ3.0×60 | 3.0 | 60 | 3.5 | 12.3-14.1 | 0.3-2 | 100 | 310 |
| Φ3.2×50 | 3.2 | 50 | 4 | 40.5-42 | 0.6-3 | 125 | 278 |
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