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HZG series rotary drum dryer
HZG series rotary drum dryer
Wet material from the dryer into one end, the uniform cylinder, including the copy sheet t...
Detailed description
Overview:
Wet material from the dryer into one end, the uniform cylinder, including the copy sheet turning device, the material in the dryer and spread evenly, and with and flow (reflux) of hot air full access to speed up the drying mass flow, mass transfer driving force. During the drying process, the material in the copy with a sloping board and under the effect of hot air, can control movement to the dryer to the other end of the discharge valve discharge star product.
Application：
● chemical, mining, metallurgy and other industries large particles than the major drying, such as: ore, blast furnace slag, coal, metal powder, phosphate, ammonium sulfate.
● the special requirements of the powder, the dry granular material, such as: HP foaming agent, distiller's grain residue, precipitated calcium carbonate, activated clay, magnetic powder, graphite, dregs.● requires low-temperature drying, and the continuous need large quantities of dry materials.
Features:
● drum dryer high degree of mechanization, large production capacity.
● resistance to flow through the cylinder smaller, low consumption.
● adaptation of material properties and strong.
● Operation stability, lower operating costs, better product uniformity of drying.
Technical Data Sheet：
| Model | Downstream direct heating type | Direct counter-flow heat | Composite heating | |||
| Type of material | Ore | HPfoam | Blast furnace slag | Ammonium sulfate | Phosphate | coal |
| Capacitykg/h | 1000 | 466 | 15000 | 20000 | 12000 | 5000 |
| Initial moisture content % | 30 | 13 | 6 | 1.5 | 5 | 6.5 |
| Final moisture content % | 15 | 0.3 | 1 | 0.1 | 0.1 | 0.1 |
| Average particle size mm | 6.5 | 0.05 | 4.7 | 0.5-0.7 | 0.5 | 5 |
| Accumulation of heavy material kg/m2 | 770 | 800 | 1890 | 1100 | 1500 | 750 |
|
Hot grace
|
39000 | 5400 | 10750 | 9800 | 6500 | 16000 |
| Inlet gas temperature ℃ | 600 | 165 | 500 | 180 | 650 | 570 |
| Material outlet temperature ℃ | 42 | 100 | 70 | 80 | 75 | |
| Heating | Gas | Steam heating | Heavy oil | Coal-fired hot air furnace | Heavy oil | Heavy oil |
| Loading factor | 6.3 | 7 | 7.5 | 7.8 | 18 | |
| Speed r.p.m | 4 | 4 | 3.5 | 3 | 4 | 2 |
| Tilt m/m | 0.04 | 0.005 | 0.03 | 0.05 | 0.05 | 0.043 |
| Copy number plate | 12 | 24 | 12 | 22 | Outside the inner cylinder 8 Outer cylinder surface 16 |
Outside the inner cylinder 6 Outer cylinder surface 12 |
| Dryer diameter m | 2.0 | 1.5 | 2 | 2.3 | 外筒 2 内筒 0.84 | 外筒 2.4 内筒 0.95 |
| Dryer length m | 20 | 12 | 17 | 15 | 10 | 16 |
| Drive power kw | 22 | 7.5 | 15 | 11 | 11 | 15 |
Note: some of the design parameters be adjusted depending on the material in order to design prevail.
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