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the solving of shotcrete machine or conveying pipes blocked

June 25, 2025

Blockage in rotor, outlet elbow, or conveying pipe:


The reason:

Aggregate size is too large:


How to solve:

If the conveying pipe is blocked, stop the machine first. Next, turn off air valves and remove the elbow from the hose. Open the air valves and blow out the remaining mixture inside the rotor. Then, check the conveying pipe, strike the blocked part, loose or remove the block. (Attention: Before remove the outlet elbow or the hose, make sure the pressure in conveying pipe is 0).

At last, connect the elbow to the hose and blow them with compressed air. If the conveying distance is over 40m, treat every 20m respectively.