What are the precautions for the safe operation of the concrete spraying machine? The shotcreting machine shall inspect the condition of the wall rock in the working area before spraying, and wear out parts of the parts that are subject to wear. Problems will be solved in time. Henan Hao Li spraying machine manufacturers for everyone to detail about the gun machine safety operation precautions.
First, the concrete spraying machine should check the following requirements before work:
1, check the safety valve is sensitive and reliable.
2. Check that the power cord is not broken and the wiring is secure.
3, look at the pressure gauge pointer between the upper and lower limits, according to the transmission distance, adjust the upper limit pressure limit.
Second, before starting the spraying machine, it should be connected with ventilation, water, electricity, open the inlet valve to gradually reach the rated pressure, and then start the motor no-load operation, after confirming that everything is normal, before feeding operations, see the pipeline installation should be correct, connect The seal should be tightened. When the pipeline passes through the road, it should be installed in the ground tank and covered with protection.
Third, the concrete work in the nozzle in front of the station is strictly prohibited, the operator should always stand in the injected concrete support within the surface, if the job, when the pause time exceeds 1h, should be the warehouse and the transfer pipe dry mixing All the material is ejected. When stopping, stop feeding first, then turn off the motor and stop the compressed air.
4. After the work is completed, the dry mix in the bin and the transfer hose should be completely sprayed, and the nozzle should be removed and cleaned to remove the adhering concrete materials and debris from inside and outside the body. Feed the tube and leave the seal in a relaxed state.
First, the concrete spraying machine should check the following requirements before work:
1, check the safety valve is sensitive and reliable.
2. Check that the power cord is not broken and the wiring is secure.
3, look at the pressure gauge pointer between the upper and lower limits, according to the transmission distance, adjust the upper limit pressure limit.
Second, before starting the spraying machine, it should be connected with ventilation, water, electricity, open the inlet valve to gradually reach the rated pressure, and then start the motor no-load operation, after confirming that everything is normal, before feeding operations, see the pipeline installation should be correct, connect The seal should be tightened. When the pipeline passes through the road, it should be installed in the ground tank and covered with protection.
Third, the concrete work in the nozzle in front of the station is strictly prohibited, the operator should always stand in the injected concrete support within the surface, if the job, when the pause time exceeds 1h, should be the warehouse and the transfer pipe dry mixing All the material is ejected. When stopping, stop feeding first, then turn off the motor and stop the compressed air.
4. After the work is completed, the dry mix in the bin and the transfer hose should be completely sprayed, and the nozzle should be removed and cleaned to remove the adhering concrete materials and debris from inside and outside the body. Feed the tube and leave the seal in a relaxed state.
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