What are the precautions for spraying shotcrete in wet spraying machine? The wet spraying machine is mainly applied in roadways, culverts, tunnels, building foundation pit support, slope slope protection and other projects, and can play a good role in reducing dust, reducing rebound, and saving materials. In the use of wet spraying machine for bolting and spraying, the concrete support quality is much better than the dry type spraying machine, and the firmness is better. Henan Hao Li sprayer manufacturers introduce the wet spray gun shotcrete operation precautions.
1. First, check the sensitive reliability of the wet spray valve of the wet spraying machine.
2. Check if the wet sprayer power cord is broken or the wiring is firm.
3. Adjust the upper and lower pressure limits of the pressure gauge according to the conveying distance of wet shotcrete.
4. Before starting the wet spraying machine, make sure that the wind, electricity, and water are connected, and then open the inlet valve to gradually reach the rated pressure, and start the motor to run at no load. If everything is normal, you can start spraying the concrete.
5, according to the need to work on the wet spray machine to suspend, if more than an hour on the need to store the material inside the feed pipe are also discharged, while stopping the feed, and then stop the motor, stop the compressed air.
1. First, check the sensitive reliability of the wet spray valve of the wet spraying machine.
2. Check if the wet sprayer power cord is broken or the wiring is firm.
3. Adjust the upper and lower pressure limits of the pressure gauge according to the conveying distance of wet shotcrete.
4. Before starting the wet spraying machine, make sure that the wind, electricity, and water are connected, and then open the inlet valve to gradually reach the rated pressure, and start the motor to run at no load. If everything is normal, you can start spraying the concrete.
5, according to the need to work on the wet spray machine to suspend, if more than an hour on the need to store the material inside the feed pipe are also discharged, while stopping the feed, and then stop the motor, stop the compressed air.
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