Overview: The triple drum dryer is an efficient and energy-saving product improved on the basis of the single drum rotary dryer. The triple drum dryer has improved the internal structure of the original single drum dryer, increasing the pre drying of wet materials before entering the machine and extending the drying time of wet materials inside the machine. In addition, sealing, moisture retention, and reasonable supporting measures greatly improve the production capacity of the dryer. It has a compact structure, simple structure, reasonable layout, impr...
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1. High technical content, self insulation of the cylinder body, thermal efficiency up to 80% (the thermal efficiency of a single cylinder dryer is only 35%), saving 68% of coal compared to single cylinder drying, and increasing production by 100% br> 2. Shortening the overall length of a single drum dryer by 60% is beneficial for process layout. Reduce the building area of the factory and save about 40% of the project investment. Covering an area of approximately 20m2 br> 3. Made of heat-resistant and wear-resistant alloy steel plate, which is four times more wear-resistant than ordinary steel plate. Long service life and easy maintenance br> 4. High thermal efficiency, outer cylinder temperature below 60 ℃ (single drum dryer outer cylinder temperature up to 150 ℃), low outlet temperature, and discharge temperature below 60 ℃ br> 5. Low export temperature is beneficial for extending the service life of dust removal equipment, and can be directly matched with gas box pulse bag filter br> 6. Hot blast stove can be matched with boiling furnace, coal injection furnace, and gas furnace.
Project Unit | φ 2.0× 6m | φ 2.5× 6.5m | φ 2.7× 7m | φ 3× 7m | φ 3.2× 7m | φ 3.6× 8m | φ 4.2× 8.5m | |
---|---|---|---|---|---|---|---|---|
Outer cylinder diameter (m) | 2.0 | 2.5 | 2.7 | 3 | 3.2 | 3.6 | 4.2 | |
Outer cylinder length (m) | 6 | 6.5 | 7 | 7 | 7 | 8 | 8.5 | |
Cylinder volume (m3) | 18.84 | 31.89 | 40.5 | 49.46 | 56.26 | 81.38 | 118 | |
Cylinder rotation speed (rpm) | 3-10 | 3-10 | 3-10 | 3-10 | 3-10 | 3-10 | 3-10 | |
Material retention time (min) | 12-30 | 12-30 | 12-30 | 12-30 | 12-30 | 12-30 | 12-30 | |
Initial moisture content of material (%) | 6-25 | 6-25 | 6-25 | 6-25 | 6-25 | 6-25 | 6-25 | |
Final moisture content of materials (%) | ≤ 1 | ≤ 1 | ≤ 1 | ≤ 1 | ≤ 1 | ≤ 1 | ≤ 1 | |
Maximum intake temperature (℃) | 750-900℃ | 750-900℃ | 750-900℃ | 750-900℃ | 750-900℃ | 750-900℃ | 750-900℃ | |
Production capacity (T/H) | Slag | 20-25 | 25-30 | 30-35 | 35-10 | 40-45 | 50-65 | 70-85 |
Fly ash | 10-17 | 17-21 | 20-25 | 23-27 | 25-30 | 30-45 | 45-63 | |
Yellow sand | 20-27 | 25-40 | 27-45 | 30-45 | 35-50 | 55-75 | 75-99 | |
Motor model | Yr160m-4 | Yr132m-4E | Yr160m-4 | Yr160m-4 | Yr132m-5E | Yr160m-4E | Yr160m-4E | |
Electric motor power (kw) | 7.5× 2 | 11× 2 | 7.5× 4 | 7.5× 4 | 11× 4 | 15× 4 | 18.5× 4 | |
Gearbox model | XWD-6 | XWD-6 | XWD-6 | XWD-6 | XWD-6 | XWD-8 | XWD-8 | |
Speed ratio of gearbox (I) | 17-29 | 17-29 | 17-29 | 17-29 | 17-29 | 17-29 | 17-29 | |
Equipment weight (T) | 25 | 32 | 35 | 38 | 43 | 57 | 77 |