Home > NEWS & EVENTS

Raw Materials & Fuel Requirement For Magnesium Production wi

1. Dolomite
See Diagram 1 for the chemical composition of Eczacibasi Esan’s dolomite sample (Based on the Report of Dolomite Composition Analysis and Processing Test of Eczacibasi Esan)
 
Diagram 1: Chemical composition of dolomite sample
MgO CaO SiO2 TiO2 Al2O3 Fe2O3 Na2O K2O Zn SO3 MnO P2O5 灼减
L.O.I
21.11 30.78 0.24 0.016 0.02 0.016 0.024 0.006 0.0004 0.036 0.0042 0.010 46.71
     
The size of dolomite shall be within 10~50mm before input into the pre-heater.
 
2. Ferrosilicon
The size of Ferrosilicon shall not be more than 100mm when transported into factory. And the chemical composition shall comply with Diagram 2.
 
Diagram 2: Chemcial composition of Ferrosilicon
Si Al P S Mn
≥75 ≤1.5 ≤0.035 ≤0.02 ≤0.4
 
 
3. Fluorite
Fluorite bought from outside shall be packed in bags when transported into the factory. The size of -200 mesh shall be more than 95% (-0.074mm>95%); The chemical composition of fluorite shall comply with Diagram 3.
 
Diagram 3: Chemical composition of fluorite.
Composition CaF2 CaCo3 SiO2 H2O
% ≥95 ≤3 ≤1 <1
 
4. Fuel
Both rotary kiln and reduction furnace are fired by natural gas, while refining process by electricity.
 
Calorific value of natural gas: ≈8250kcal/Nm3. See Diagram 4 for chemical composition.
 
Diagram 4: Chemical composition of natural gas
CH4 C2H6 C3H8 C4H10 CO2 O2 N2 H2S Other Carbons
min max mxs msx max max msx max max
82% 12% 4% 2.5% 3% 0.5% 5.8% 5.35mg/m3 1%
 
 
5. Solvent
Mg crystal after reduction shall be refined in chloride solvent. High quality Mg can be obtained after removing the metal and non-metal impuritiesl.
 
See Diagram 5 for list of solvent used in crude Mg refining.
 
Diagram 5: List of solvent used in crude Mg refining
Type of solvent
Basic solvent
(2# Calcium solvent)
Refining solvent
Power solvent (Covering solvent)
New solvent
 
 
 

If you are interested in our products, Please get in contact with us .

MESSAGE

RELATED PRODUCTS

  • Selection of Raw materials and Fuels for Lime Production Proc

    Selection of Raw materials and Fuels for Lime Production Proc

  • What are the main uses of calcined lime by lime kiln?

    What are the main uses of calcined lime by lime kiln?

  • Active Lime Kiln Production Process

    Active Lime Kiln Production Process

  • Magnesite Calcination Rotary kiln to Produce Light Burning Ma

    Magnesite Calcination Rotary kiln to Produce Light Burning Ma

Wechat:+86 18937185591

Please press to copy the number,then pasete it to chat

Get Quote