Dry Shotcrete Machine

Dry shotcrete equipment is also called dry spraying machine. After stirring a certain proportion of cement, sand and small stones uniformly. With the help of compressed air, a concrete spraying machine continuously blows the mixture to an injection nozzle along the conveying pipe. The dry material mixes with water from the pressure water tank and forms semi-wet concrete. Shotcrete nozzle sprays the concrete onto the work surface at a speed of 80 to 100 meters per second, so as to make it achieve the effect of the lining. During construction, the spraying nozzle is usually about 1 meter from the work surface.


Features of Shotcrete Machine:


  1. High efficiency: adopts a straight-through rotor type unbonded material cavity, which makes the discharge smooth.
  2. Four-point elastic compensation and compaction, the concrete sprayer has a good sealing effect. And the wearing parts have a long life.
  3. Uses low-pressure high-speed vortex airflow transmission, so as to overcome the problems of bonding and pipe blocking in material transportation.
  4. The new spray head and discharge elbow device can improve the spraying effect and quality.
  5. The chassis of the shotcrete sprayer can be assembled into wheel type, skid type, and various gauge wheel type.

Applications of Concrete Spraying Machine:


  • Underground engineering: the main support and lining for mine tunnels, flexible tunnels, and hydraulic tunnels.
  • Thin-walled structural engineering: prestressed construction for thin-shell roof, reservoirs and storage tanks, etc.
  • Repair and reinforcement work: reinforcements for bridges, seawalls, dams, tunnels, pier, and building structure.
  • Anchoring for geotechnical engineering, slopes, dams, tunnels, reservoirs, swimming pools, and deep foundation pits.
  • Protective engineering: various fire protection coatings for steel structures.
  • Refractory material project: chimneys of building and various hot melting furnaces.


YG concrete shotcrete machine for sale has the best quality and performance. They are widely used in mines, tunnels, culverts, subways, hydropower projects, underground projects, and shotcrete construction in coal mines and mines. During various slope protection and greening construction, the shotcrete equipment also sprays soil, the function is similar to the hydroseeding machine.

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