Before the use of concrete shotcrete pay attention to what problems? Henan Hao Li spraying machine manufacturers introduce some points that should be paid attention to before the spraying machine is used, I hope to be helpful for everyone to use the spraying machine.
1. Concrete shotcreting machine shall inspect the condition of the surrounding rock in the working area before spraying, wear the parts that are easily worn, and deal with the problems in time. Before spraying, open the water after opening the air, adjust the size of the wind and water, and then start the spraying machine to spray the slurry. The spray must use wet materials. When jetting concrete, the sprayer correctly cooperates with each type of work and process.
2. When the sprayer sprays the slurry, the sprayer holds the sprayer in one hand, adjusts the water valve in one hand, and contacts the feeding material. Before the spray is sprayed, all the sprayed surfaces shall be sprayed with a thin layer of concrete. A spiral pressure is applied to the thin layer. Half-circle makes a slow circular motion in the horizontal direction, and the circled diameter is preferably 100-150mm.
3, spraying the spray sequence is the first wall after the arch, bottom-up, first spray into a halfway, and then turn the spray nozzle spray the other half of the roadway, and finally close the top.
4. The concave and convex shall be concave at the serious part of the roadway, and serious gaps shall be taken.
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