Coal bridging, wall adhesion and intermittent discharging severely disturb the stable operation of thermal power plant conveying systems, especially when burning high-moisture coal, coal slurry and sludge. The Intelligent Variable Inclination Vortex Anti-Blocking Machine is upgraded silo blockage clearing equipment with proprietary vortex scraper technology. Unlike conventional rotary silo blockage cleaning machine, it adopts variable inclination rotating blades to deliver dead-angle-free cleaning and material flow assistance. Combined with silo wall flow aid equipment and electro-hydraulic slide gate valve, it builds a complete anti-blocking system for raw coal bunkers.

1. Unique Variable Inclination 360° Rotary Vortex Scraper Design
The core innovation of this anti-blocking machine is the variable inclination vortex cutter assembly. During rotation, the blades dynamically adjust the cutting angle along the silo inner wall. It thoroughly scrapes sticky coal deposits at corners and curved surfaces, eliminating stagnant dead coal zones. The 360° rotating structure realizes full-range cleaning without blind spots, solving incomplete dredging problems existing in traditional silo anti-blocking equipment.
2. Large Torque Output Supports Full-load Startup
Many anti-blocking devices fail to operate smoothly when facing compacted hardened coal masses. The Intelligent Variable Inclination Vortex Anti-Blocking Machine is equipped with reinforced transmission structure, providing sufficient driving torque to start under full load conditions. It can break firmly formed coal arches and adapt to poor-flow viscous raw coal widely used in modern power plants.
3. Multiple Intelligent Operation Modes for Flexible Production
The machine supports two reliable working modes for on-site selection. Servo linkage mode automatically triggers startup once blockage and feed interruption signals are received, and stops operation after blockage removal. Timing cycle mode runs periodically according to preset parameters to prevent coal accumulation in advance. Cooperated with coal feeders, it achieves automatic unattended anti-blocking control.
4. Optimized Sealing Structure Prevents Coal Leakage
Traditional rotating anti-blocking machines frequently suffer coal leakage at the drive shaft position. This upgraded vortex anti-blocking machine adopts multi-stage composite sealing structure. It effectively avoids coal powder leakage and dust overflow during continuous operation, protecting the transmission system and reducing on-site cleaning workload.
5. Dual Function: Blockage Removal & Material Flow Promotion
While clearing adhered coal and breaking material arches, the rotating vortex blades activate static bulk materials inside the silo. It changes centralized core flow into integral vortex flow, improving overall material fluidity. This dual-performance design reduces the probability of repeated blockage, delivering better effects than single-function arch breaker machine.
6. Wide Adaptability for Various Silo Structures and Industries
The Intelligent Variable Inclination Vortex Anti-Blocking Machine fits rectangular tapered bunkers, conical bunkers and hyperbolic raw coal bunkers. It is widely applied in thermal power, metallurgy and coal chemical industries, handling raw coal, mineral powder, coal slurry and other high-viscosity bulk materials. It can be installed on the lower silo section or matched with chute blockage cleaning machine for whole-line anti-blocking protection.
For raw coal bunker blockage problems, HNMY provides customized blockage prevention solutions.
