Henan Zhongke Engineering & Technology Co., Ltd.
Zhongke Machinery--Chinese professional manufacturer of rotary kiln !
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Energy Saving 8 tph Rotary Drum Dryer for sand, cement, gypsum
1. Structure of rotary drier
Drier also named as Drying Machine and Rotary Drier.Drier is mainly consist of rotary body, raw material feeding plate, driving and supporting device, etc
2. Application of rotary dryer
Rotary drier is used to dry slag, clay, limestone, It is mainly used for cement, chemical, metallurgical, building materials industries.
3. Working principle of rotary dryer
When rotary Dryer is operating, it shall be in direct contact with heated gas. The dryer consists of a large rotating cylindrical tube. In order to convey the material through the underside of dryer, the dryer should be slanted slightly to ensure that the discharge end is lower than the end of material feed .
Working Principle of Rotary Dryer: Material shall be dried to enter the dryer. When the dryer is rotating, a series of internal fins will lift the material by lining the inner wall of the dryer. When the material reaches certain height to roll the fins back, it will be fell back to the bottom of the dryer, then passing through the hot gas stream as it falls. This gas stream can either move toward the discharge end from the feed end (known as co-current flow), or toward the feed end from the discharge end (known as counter-current flow). The gas stream can be composed of a mixture of air and combustion gases from a burner, and in which case the dryer is known as a direct heated dryer. Alternatively, the gas stream may be made up of air or another (sometimes inert) gas that is preheated. When the gas stream is preheated by some means where burner combustion gases are not permitted to enter the dryer, the dryer shall be called an indirect-heated type. Indirect heated dryers are commonly used when product contamination becomes a concern.
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Modal | Technical parameter | Power(kw) | Capacity (t/h) | Weight (kg) | |||
| Inside dia.(m) | Length (m) | Gradient (%) | Rotate speed(r/min) | ||||
| ZT-1.2*6/8 | 1.2 | 6/8 | 5 | 5.8 | 5.5 | 8-12 | 9380/10200 |
| ZT-1.5*12/15 | 1.5 | 12/15 | 5 | 4.8 | 15 | 12-16 | 16450/18240 |
| ZT-1.8*12/14 | 1.8 | 12/14 | 5 | 4.5 | 18.5 | 18-20 | 20000/21000 |
| ZT-2.2*12/14 | 2.2 | 12/14 | 5 | 4.3 | 22 | 22-28 | 37100/38830 |
| ZT-2.4*14 | 2.4 | 14 | 4 | 3.78 | 30 | 30-35 | 50700 |
| ZT-2.4*18 | 2.4 | 18 | 4 | 3.0 | 37 | 35-40 | 54000 |
| ZT-2.4*22 | 2.4 | 22 | 3 | 3.0 | 45 | 38-42 | 57000 |
| ZT-.2.8*20 | 2.8 | 20 | 4 | 3.7 | 40 | 45-55 | 71000/75000 |
| ZT-3.0*22/25 | 3.0 | 22/25 | 4 | 3.2 | 75 | 58-70 | 88000/95000 |
| ZT-3.2*25 | 3.2 | 25 | 4 | 3.0 | 110 | 75-90 | 166000 |
| ZT-3.6*25 | 3.6
| 25 | 4 | 2.7 | 132 | 95-110 | 188000 |
Technical parameters:
| model | cylinder diameter | cylinder length | inclination | Rotate speed/RMP | weight | power | Volume/CBM |
| φ0.6×8 | φ600 | 8m | 3-5 | 8 | 5.1 | 6-pole 4 | 2.26 |
| φ0.8×10 | φ800 | 10m | 3-5 | 7.2 | 6.9 | 6-pole 4 | 5.02 |
| φ1.0×10 | φ1000 | 10m | 3-5 | 6.73 | 7.5 | 6-pole 5.5 | 7.85 |
| φ1.2×12 | φ1200 | 12m | 3-5 | 5.8 | 13.1 | 6-pole 11 | 13.31 |
| φ1.5×12 | φ1500 | 12m | 3-5 | 4.8 | 22.3 | 6-pole 15 | 21.2 |
| φ2.2×14 | φ2200 | 14m | 3-5 | 3.2 | 52.8 | 30 | 53.22 |
| φ2.4×18 | φ2400 | 18m | 3-5 | 3 | 73.3 | 37 | 81.43 |
| φ2.8×24 | φ2800 | 24m | 3-5 | 2.59 | 97 | 75 | 147.8 |
rotary dryer Detail
Our products have the following six major features,so that we can lead other manufacturers at home and abroad
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