Apron Feeder Design Calculation - Stockpile Reclaim
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Project Details
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Application:
Ref No:
Date:
Designer:
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Design Parameters - Hopper & Feed Zone
See fig. 1 below for reference
Height of Surcharge: Hs (m)
Height of Clearance: Yc (m)
Material Bed Depth: Bd (m)
Width of Bin: D (m)
Width of Skirts: B (m)
Length of Hopper: Lh (m)
Length of Skirts: Le (m)
Hopper Half Angle: α (D°)
Divergance Angle: λ (D°)
Length of Feeder: L (m)
Design Parameters - Application Properties
Type of material to be handled and bulk density (weight per m³)
Material:
Design Capacity TPH:
Maximum Capacity TPH:
Moisture Content:
Maximum Lump Size (mm):
Approximate Gradation:
Design Parameters - Material Properties
Effective Angle of Repose: Ør (D°)
Effective Angle of Internal Friction: δ (D°)
Hopper Wall Friction Angle: Øhw (D°)
Skirtplate Wall Friction Angle: Øsp (D°)
Bulk Density - Design Max.: ρ (kg/m³)
Bulk Density - Design Min.: ρ (kg/m³)
Material Compressibility Factor: Ji
Hopper Symmetry Factor: Ms
Design Parameters - Stockpile Zone
Offset Centre: x (m)
Hopper Symmetry Factor: Hh (m)
Duty to be performed, eg. size of crusher or belt being fed
Details of hopper &/or feeding arrangements
Hopper/Bin or Stockpile?
Live Capacity (Tonnes):
Drop Height (m):
If Hopper/Bin:
Rock Box
Mass Flow
End Tip
Side Tip
Type of drive preferred:
Hydraulic
Electro-mechanical
Is a spillage conveyor required?
Yes
No
Limiting Dimensions, eg. width, overhead height, etc
Any other factors:
Fig.1
