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Specifications
Calcination Rotary kiln1.high capacity
2.low consumption
3.energy saving,safety
4.reliable in operation
Metal Magnesium Rotary Kiln
Features of Metal magnesium rotary kiln:
our company professionally produces metal magnesium rotary kiln and its technics. The raw materials of technics are dolomite which is crushed to be certificated(30-40mm)by the crusher. And then the materials will be sintered by the rotary kiln until it becomes calcined dolomite and then they will be cooled by the cooling machine. After that, the material will be milled by the ball mill and then press them into ball by pressing ball machine. After crushing , the ball will be made into dough by evenly mixing with ferrosilicon powder and fluorite powder. Putting them into stainless and heat-resisting steel reduction cylinder and make them be coarse magnesium under the temperature of 1200-1250 °C and 1.33 Pa vacuum degree. Finally, the materials will be produced to magnesium ingot by fluxing, ingot casting and surface disposing.
Working principles of Metal magnesium rotary kiln:
1. Crushing the materials(dolomite) into certificated materials(30-40mm)
2. Burned by rotary into calcined dolomite
3. Cooled by the cooling machine
4. Milled into powder by the ball mill
5. Pressed into ball by pressing ball machine
6. Mixed evenly with ferrosilicon powder(including 75% of silicon) and fluorite powder(GaF2=95%)
7. Putting them into the stainless and heat-resisting steel reduction cylinder and be produced to magnesium ingot by fluxing, ingot casting and surface disposing.
rotary kiln design should meet the following requirements:
1,The specification of the rotary kiln should meet the demand of burning system output and it should be determined comprehensively combining the raw materials or fuel condition and the configuration situation of the preheater,decomposition furnace and the cooling machine.
2,The proportion of preheater kiln and pre-decomposing furnace(L/D) had better to be 11-16.
3,The slope of preheater and decomposition furnace should be 3.5%-3.5%; In the terms of rotation speed, the decomposition furnace should be 3.0-3.5 r/min and the preheater should be 2.0-2.5 r/min. The speed changing range should be1:10.
4,The cooling of rotary kiln burned into cylinder should adopt forced air cooling.
5,The main motor of rotary kiln should adopt stepless variable speed motor and should be installed auxiliary transmission and emergency power supply. .
Technical parameters of Metal magnesium rotary kiln:
| Specification | Capacity (t/d) |
Incline of body (%) |
Speed (r/min) |
Main Motor (KW) |
Main Reducer | Weight (t) |
Remarks |
| Φ2.5×40 | 180 | 3.5 | 0.98 ~ 2.94 | 45 | Zs145 ~ 1 ~ Ⅰ | 142 | Kiln with shaft cyclone preheater |
| Φ2.5×60 | 168 | 3.5 | 0.516 ~ 1.549 | 75 | ZS165 ~ 7 ~ Ⅱ | 222 | Alumyte-alumina forge kiln |
| Φ3×48 | 700 | 3.5 | 0.726 ~ 3.63 | 110 | ZSY450 ~ 35 ~ V | 244 | Kiln with 5-stage cyclone precalciner |
| Φ3×60 | 300 | 3.5 | 0.492 ~ 1.476 | 75 | ZL165 ~ 7 ~ Ⅰ | 190 | Alumyte-alumina forge kiln |
| Φ3×100.94 | 450 | 4 | 0.3 ~ 1.503 | 90 | NZS995 ~ 90 ~ VI~ L | 526 | Multiple-drum cooling |
| Φ3.2×46 | 1000 | 3.5 | 0.36 ~ 3.57 | 160 | NZS995 ~ 40 VI BR | 257 | Kiln with preheater precalcine |
| Φ3.2×52 | 1200 | 3.5 | 0.343 ~ 2.34 | 125 | ZSY1110 ~ 71BL VI | 275 | Kiln with preheater |
| Φ3.3×50 | 1300 | 3.5 | 0.676 ~ 3.38 | 160 | NZS1110 ~ 40 VI | 266 | Kiln with plateau suspension preheater |
| Φ3.3×52 | 1300 | 3.5 | 0.266 ~ 2.66 | 125 | NZS995 ~ 40 VI BR | 283 | Kiln with preheater precalcine |
| Φ3.5×54 | 1500 | 3.5 | 0.55 ~ 3.4 | 220 | ZSY500 ~ 40 ~ V | 363 | Kiln with preheater precalcine |
| Φ3.6×70 | 1800 | 3.5 | 0.25 ~ 1.25 | 125 | ZS177 ~ 5 ~ Ⅱ | 419 | Generating kiln for using ofterheat |
| Φ4×60 | 2500 | 3.5 | 0.396 ~ 3.96 | 315 | ZSY630 ~ 35.5 ~ Ⅰ | 510 | Kiln with preheater precalcine |
| Φ4.2×60 | 3000 | 4 | 0.4 ~ 3.98 | 375 | ZSY710 ~ 40 ~ Ⅰ | 633 | Kiln with preheater precalcine |
| Φ4.3×60 | 3500 | 3.5 | 0.396 ~ 3.96 | 375 | ZSY710 ~ 40 | 583 | Kiln with preheater precalcine |
| Φ4.5×66 | 4000 | 3.5 | 0.41 ~ 4.1 | 560 | JH800C ~ SW306 | 710.4 | Kiln with preheater precalcine |
| Φ4.8×74 | 5000 | 4 | 0.396 ~ 3.96 | 630 | Jh710 ~ 40 | 899 | Kiln with preheater precalcine |
| Φ5.0×74 | 6000 | 4 | 0.35 ~ 4 | 710 | JH800C ~ 28 | 944 | Kiln with preheater precalcine |
| Φ5.6×87 | 8000 | 4 | Max4.23 | 800 | JH900C ~ SW305 ~ 25 | 1265 | Kiln with preheater precalcine |
| Φ6.0×95 | 10000 | 4 | Max5 | 950×2 | JH900C ~ SW305 ~ 28 | 1659 | Kiln with preheater precalcine |
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