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Issues in Coal Conveying Lines at Mining Sites

Frequent Coal Adhesion on Belt

• Coal frequently adheres to the belt underside due to material characteristics.
•  Detached coal falls (spillages）when passing over return rollers, accumulating below the conveyor.
• Wet or fine coal increases adhesion, worsening the work environment and increasing cleaning workload.

Safety Risks During Cleaning

•  Detached coal may accumulate in areas with poor footing or near moving parts.
• Cleaning in these locations poses safety hazards to operators.

Issues in Coal Conveying Lines at Steel Plants

Belt Mistracking Caused by Uneven Loading

• Belt mistracking occurred due to uneven loading.
• This led to material spillage and material loss.
• Dust around the conveyor worsened, affecting the work environment.
• Prolonged mistracking accelerated wear on belts and rollers, increasing equipment failure risk.

Spillage at the Chute Section

• Spillage occurred through the gap between the skirt rubber and rollers.
• Frequent cleaning was required.
• Dust dispersion negatively affected the work environment.

Issues in Coal Conveying Lines at Power Plants

• Belt lift-off at angle change points and forced suppression with wheels, leading to frequent belt damage and mistracking
• Belt mistracking before the tail pulley, resulting in reduced conveying stability
• Frequent conveyor stops for mistracking correction, causing lower work efficiency and safety