What is the difference between a dry spray gun and a wet spray gun? Henan Hao Li spraying machine manufacturers to everyone to analyze the difference between dry spray gun and wet spray gun, hope to buy a spray gun to help.
1, the degree of wet and dry pulp is different. Dry spray guns are dry, such as concrete, cement, etc., with no added water or a small amount of water. The wet spraying machine is added with a well-mixed mixture, such as concrete, cement and water, and then sprayed.
2. Different spray patterns. Dry sprayers use dry concrete or cement, so when spraying, the sprayer needs to add water in order to ensure the spraying effect and will not produce too much dust. The wet spraying machine uses water to fully mix concrete or cement, and then sprays it. No water is added at the nozzle, and no dust is produced. This ensures the working environment.
3, the conveying distance and wind pressure are different. The distance of the dry spraying machine can reach more than 200 meters, and the slurry sprayed by the wet spraying machine is a slurry with good viscosity, so the vertical conveying distance can only reach 20-30 meters. The horizontal conveying distance is 30-50 meters. The spray pressure of the dry spraying machine can reach 7 cubic meters, and the wet pressure of the wet spraying machine needs 13 cubic meters to work.
4. The operator and safety are different. Dry sprayers need to occupy a large number of operators, due to a large amount of dust generated, not only affect the environment, but also the safety of production and physical injury to workers, and is not conducive to underground construction operations. Because the slurry has been previously mixed, the wet spraying machine does not need to occupy a large amount of manpower, and does not generate dust. This has little impact on the workers and the environment and is suitable for various working environments.
5, different rebound rate and cohesion. Dry mortar rejuvenation rate of 15-50%, but also cause poor cohesion, especially downhole construction, will be deformed by the earth's crust deformation, resulting in splitting and destruction. The wet rate of the wet spraying machine is only up to 10%, and since the slurry is previously mixed well with the water-cement ratio, the cohesive property is high, and it is not easy to deform with the change of the crust, which plays an important role in the safety production. .
1, the degree of wet and dry pulp is different. Dry spray guns are dry, such as concrete, cement, etc., with no added water or a small amount of water. The wet spraying machine is added with a well-mixed mixture, such as concrete, cement and water, and then sprayed.
2. Different spray patterns. Dry sprayers use dry concrete or cement, so when spraying, the sprayer needs to add water in order to ensure the spraying effect and will not produce too much dust. The wet spraying machine uses water to fully mix concrete or cement, and then sprays it. No water is added at the nozzle, and no dust is produced. This ensures the working environment.
3, the conveying distance and wind pressure are different. The distance of the dry spraying machine can reach more than 200 meters, and the slurry sprayed by the wet spraying machine is a slurry with good viscosity, so the vertical conveying distance can only reach 20-30 meters. The horizontal conveying distance is 30-50 meters. The spray pressure of the dry spraying machine can reach 7 cubic meters, and the wet pressure of the wet spraying machine needs 13 cubic meters to work.
4. The operator and safety are different. Dry sprayers need to occupy a large number of operators, due to a large amount of dust generated, not only affect the environment, but also the safety of production and physical injury to workers, and is not conducive to underground construction operations. Because the slurry has been previously mixed, the wet spraying machine does not need to occupy a large amount of manpower, and does not generate dust. This has little impact on the workers and the environment and is suitable for various working environments.
5, different rebound rate and cohesion. Dry mortar rejuvenation rate of 15-50%, but also cause poor cohesion, especially downhole construction, will be deformed by the earth's crust deformation, resulting in splitting and destruction. The wet rate of the wet spraying machine is only up to 10%, and since the slurry is previously mixed well with the water-cement ratio, the cohesive property is high, and it is not easy to deform with the change of the crust, which plays an important role in the safety production. .
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