| Certification: | CE, ISO |
|---|---|
| Customized: | Customized |
| Generating Methods: | Thermal Power Generation |
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Railroad car chain bucket unloader for coal unloading from wagon
1. introduction
The transfer of the material from the wagon is as the following description. The belt conveyor is horizontally placed on the machine's body and can run forward and backward. The running mechanism is driven by motors respectively. A belt electronic scale is an automatic control device. It takes the instantaneous conveying capacity as the control object and can be installed under the disc feeder or electromagnetic feeder. In addition to measuring, it can also adjust the unloading capacity by controlling the speed or amplitude of the feeder through the adjusting device. The belt electronic scale is composed of a frame, transmission device, annular belt, scale frame, secondary instrument, and other parts.
The coal falls onto the belt conveyor through the electromagnetic feeder. Due to the movement of the belt, the coal is evenly spread on the belt. When this section of coal passes through the weighing section, it generates pressure on the belt. The pressure is transmitted to the pressure sensor through the movable frame of the scale frame so that the sensor generates a strain proportional to the weight of the coal in the weighing section, that is, it outputs a millivolt signal proportional to the weight of the coal, and then passes through the amplification unit in the secondary instrument, Point out the instantaneous flow and cumulative measurement respectively. When the actual cutting quantity deviates from the given value, the deviation signal is passed.
2. Specification of chain bucket limestone unloader
Work duty:3 shift heavy-duty,365days per year
Unloading capacity: 350t/h
Rail distance: 6000mm
Power supply: cable reel(power), less than 200
Power: 380-400V
Frequency: 50Hz
Unloading rate: ≥95%
Consumption power: 145KW
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
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 | ~350 | t/h |
| travel speed | 20 | m/min |
| rail span | 6 | m |
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