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Suppress Belt Mistracking and Lift-Off for Stable Operation and Improved Maintainability
- ApplicationPower Plants
- Conveying Materials
Coal
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
*These issues caused not only conveying troubles but also increased operational costs due to frequent shutdowns and maintenance.
Solution
Belt Lift-Off Prevention at Angle Change Points:
GATE-TYPE CARRIER IDLER
- Suppresses belt lift-off and mistracking simultaneously
- Unlike conventional methods that forcibly press the belt down with wheels, the integrated hold-down and guide roller design minimizes belt damage while ensuring stable belt travel
Belt Mistracking Correction Before the Tail Pulley:
A-TYPE HOLDDOWN RETURN IDLER (3-roller type)
- Corrects belt mistracking before the tail pulley
- Improves belt centering and overall line balance
Real-Time Adjustment for Safe and Efficient Operation:
HANDLE-TYPE MANUAL BELT-ALIGNING RETURN IDLER
- Allows real-time adjustments during operation
- Eliminates the need for conveyor stops, enhancing safety and work efficiency
Gallery
Other Case Histories
Prevent Spillage in Coal Conveyor Lines
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.
Prevent Belt Mistracking and Spillage for Stable Operation and Cleaner Worksite
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.