Chain bucket unloader for limestone unloading from railcar

1. general

1.1 The specification stated the technical requirements for the function, performance, structure, design, manufacturing, installation, and commissioning of the equipment. It applies to limestone unloading.

1.2 The specification stated the minimum technical requirements and does not specify all technical details. The manufacturer guarantees to provide high-quality products and corresponding services that meet the requirements of the technical specifications and relevant international and domestic industrial standards. The manufacturer shall also meet the requirements of national mandatory standards related to safety and environmental protection.

2. Specification of chain bucket limestone unloader

Work duty:3 shift heavy-duty,45days per year

Unloading capacity: 300t/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台

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