Shanghai Sunshine Industry Technology Co., Ltd.
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Chain bucket unloader applied to coal-fired power plant
1. general
The chain bucket unloader is specifically designed to unload bulk material from a railroad car. It`s mainly used to unload bulk materials like limestone, coal, and wood pellets. The portal Chain Bucket Unloader is crossed over the wagon and unloads the coal by means of chain bucket drawing and belt conveyor conveying coal outward. Its advantages are no need to open the door of the wagon and has high work efficiency and good economic benefits; It can unload coal several meters away from the track, which is conducive to continuous unloading; The traveling speed and conveying capacity are relatively stable, which is convenient for joint operation with other machinery to complete the conveying and stacking task at one time.
2. Specification of chain bucket limestone unloader
Work duty:3 shift heavy-duty,365days per year
Unloading capacity: 100t/h
Rail distance: 6000mm
Power supply: cable reel(power), less than 200
Power: 380-400V
Frequency: 50Hz
Unloading rate: ≥95%
Consumption power: 100KW
3. Other parameters
3.1 Traveling mechansim:8 wheels and 4 drivers.
Motor model: YX3-132
power: 7.5KW×4
speed: 1450r/min
power of VFD: heavy-duty 30KW (Seimens/ABB)
gear reducer model: Rigid tooth reducer series(Flender/SEW)
traveling speed: 1.9~20m/min(VFD)
Dia of wheel: Φ630mm
No of wheels: 8
Max wheel pressure: 15t
Rail distance: 6000mm
3.2. bucket elevator
Motor model: YZ225M-
power: 30KW×2台
Rigid tooth reducer model: ZQA500-3/4-15.75(SEW/Flender)
Ratio: 15.75
speed(chain speed): 95.7m/min
volume of bucket: 43L
width of bucket: 1100mm
type of chain: two-row military tank chain
pitch T203mm
work duty: heavy duty
3.3 Luffing winch
Motor model: YZ225M-8
power: 22KW
speed: 750r/min
gear reducer type: ZQA650-48.57-8
ratio: 48.57
winch speed: V=2.37m/min
3.4, Belt conveyor mounted on cantilever
Belt conveyor: one way to discharge,
Transmission device: YDΦ630-1000-2.5
power: 15KW
bend pulley: Φ500
speed: V=3.15m/s
width: B=1000mm
conveying capacity: Q=800t/h
belt conveyor cleaner: the blade is made of polyurethane
table of main techanical date
| description | parameter | unit |
| material | limestone, coal | |
| density | 0.8~2.5 | t/m3 |
| granularity | <100 | mm |
| moisture | <15 | % |
| unloading capacity | ~100 | t/h |
| travel speed | 20 | m/min |
| rail span | 6 | m |