Features of coal slime rotary dryer
Coal slime rotary dryer uses new type of feeding and discharging devices, which puts an end to the uneven feeding jams and discontinuous return of slag drier, and reduces the dust load on the system. Innovation on the internal structure is implemented, which strengthens the cleaning and heat transfer of decentralized materials, eliminating the dip-sticking to the cylinder wall.
Working principle of coal slime rotary dryer
1.Coalis sent to hopper through belt conveyor or bucket conveyor, and then charger enters into feeding end through feeding pipe.
2. Indication of feeding pipe should be more than crater angle of material so that material is smoothly flowed into dryer.
3. Dryer cylinder is slightly leaned to horizontal line. Material is added from upper end, while heat-carrying agent is entered from lower end, forming counter-current contact with material. Sometimes heat-carrying agent and material are flowed into barrel.
4. With rotation of cylinder, material runs to upper end upper gravity action. When moist material is moved forward in barrel, it directly and indirectly gained supply of heat-carrying agent so that moist material can be dried and sent through belt feeder or screw conveyor in discharging end.
5. Inner wall of slag dryer barrel is equipped with lifting board. Its function is to lift material and spread increase contact surface of material and air flow so as to improve drying rate and accelerate material.
6. After heat-carrying agent is dried, cyclone dust collector shall gather material carried by gas (heat-carrying agent is generally divided into hot air and fuel gas).
For further reduction of tail gas dust load, it can be discharged after passing bag-type collector or wet collector.
Specification and technical parameters
|
| Φ 0.8 × 8 | 4 | JZQ350 | 8 | 3.2 | 4 | 4 | 0.5-2 |
| Φ 0.8 × 10 | 5 | JZQ350 | 8 | 3.7 | 4 | 4 | 0.5-2.5 |
| Φ 1 × 8 | 6.3 | JZQ350 | 8 | 4.5 | 5.5 | 4 | 1-2.5 |
| Φ 1 × 10 | 7.9 | JZQ350 | 8 | 5.2 | 5.5 | 5.5 | 1-3 |
| Φ 1 × 12 | 9.4 | JZQ350 | 8 | 5.7 | 7.5 | 5.5 | 1-4 |
| Φ 1.2 × 10 | 11.3 | JZQ400 | 10 | 9 | 11 | 7.5 | 1-4.5 |
| Φ 1.2 × 12 | 13.6 | JZQ400 | 10 | 10 | 11 | 7.5 | 1-4.8 |
| Φ 1.2 × 14 | 15.8 | JZQ400 | 10 | 11 | 11 | 7.5 | 1-5 |
| Φ 1.2 × 16 | 18 | JZQ400 | 10 | 12 | 11 | 7.5 | 2-6 |
| Φ 1.5 × 12 | 21.2 | JZQ500 | 12 | 14.4 | 11 | 7.5 | 2-9 |
| Φ 1.5 × 14 | 24.7 | JZQ500 | 12 | 15.6 | 15 | 11 | 2-9.5 |
| Φ 1.5 × 16 | 28.3 | JZQ500 | 12 | 16.8 | 15 | 11 | 2-10 |
| Φ 1.8 × 14 | 35.6 | JZQ500 | 16 | 23 | 18.5 | 15 | 5-11 |
| Φ 1.8 × 16 | 40.7 | JZQ500 | 16 | 24.5 | 18.5 | 15 | 5-12 |
| Φ 1.8 × 18 | 45.8 | JZQ500 | 16 | 26 | 18.5 | 15 | 5-13 |
| Φ 2 × 18 | 56.5 | JZQ650 | 18 | 31 | 22 | 18.5 | 5-15 |
| Φ 2 × 20 | 62.8 | JZQ650 | 18 | 33 | 30 | 22 | 5-16 |
| Φ 2 × 22 | 69 | JZQ650 | 18 | 35 | 30 | 22 | 5-17 |
| Φ 2.2 × 18 | 68.3 | JZQ650 | 20 | 38 | 30 | 22 | 8-18 |
| Φ 2.2 × 20 | 75.9 | JZQ650 | 20 | 42 | 30 | 22 | 8-19 |
| Φ 2.2 × 22 | 83.5 | JZQ650 | 20 | 46 | 30 | 22 | 8-20 |
| Φ 2.2 × 24 | 91.1 | JZQ650 | 20 | 50 | 30 | 22 | 8-21 |
| Φ 2.4 × 16 | 72.3 | JZQ650 | 22 | 45 | 37 | 30 | 10-20 |
| Φ 2.4 × 20 | 90.4 | JZQ750 | 22 | 51 | 45 | 37 | 10-22 |
| Φ 2.4 × 24 | 108.2 | JZQ750 | 22 | 60 | 55 | 37 | 10-25 |
| Φ 2.4 × 28 | 126.6 | JZQ750 | 24 | 67 | 75 | 55 | 10-30 |
| Φ 2.7 × 18 | 1.03 | JZQ750 | 24 | 55 | 75 | 55 | 15-25 |
| Φ 2.7 × 24 | 137.3 | JZQ750 | 24 | 68 | 75 | 55 | 15-30 |
| Φ 3 × 20 | 141.3 | JZQ900 | 25 | 81 | 75 | 55 | 25-30 |
| Φ 3.2 × 20 | 160 | JZQ900 | 25 | 95 | 90 | 55 | 25-35 |
| Φ 3.2 × 28 | 225 | JZQ900 | 25 | 101 | 90 | 75 | 25-40 |
| Φ 3.5 × 24 | 230 | JZQ900 | 25 | 120 | 110 | 75 | 30-50 |
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Henan Hongke Heavy Machinery Co.,ltd
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