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Dry Mix Concrete Tunnel Shotcrete Machine

Specifications

Shotcrete process is to use compressed air to convey the pre-dampened mix through delivery hose to the nozzle to project the material onto the sprayed surface under high velocity, and then to form concrete support layer after the projected material coagulates and hardens. With simple technology, special effect, economy cost, flexibility and high construction efficiency, shotcrete technology has widely been applying in construction, railway and super highway engineering, underground engineering, tunneling, mining operations, hydropower projects and slope stabilization, etc. and showing prosperous future.
 
Features
 

Non-adhesion going-through rotor with new material chamber, completely eliminate bonding and blocking during operation so as to reduce clearance and maintenance period.
Thin flow conveying method with vortex flow, so the spraying flow is even, continuous and steady, to improve the shotcrete quality
 Four-point clamping device make it easy to adjust the press between sealing plate and rotor disk so as to no air and dusk leak and prolong consumption parts life
Technical Data:
 
 
Output
5 CBM/h(wet material)
8—9CBM/h(dry material)
Max.convey dist.
35 m
200m
Max.aggregate size
φ15 mm
φ15 mm
Concrete slump
8-15 cm
 
Hose inner size
φ50/65 mm
φ50/65 mm
Operating air pressure
0.2-0.6 MPa
0.2-0.6 MPa
Air consumption
9-10 /min
9-10 /min
Discharge height
1.17 m
1.17 m
Rotor Rev.
11 r/min
11 r/min
Main electric motor power
7.5 kW
7.5 kW
Dosing pupmp model
BRJ15
 
Dosing pump rated pressure
0.6 MPa
 
Dosing pump output
17.5-88 L/h
 
Overall dimension
2050×950×1180 mm
2050×950×1180 mm
weight
1200 kg
1200 kg
Application:
  • Shotcreting for tunnels, hydro-power engineering, mines, underground engineering, civil engineering and slope stabilization, etc.
  • Artificial soil seeding for no soil surface, such as rock, sand, and for no fertility soil surface.
  • Refractory spraying and repair for industrial kilns or kilns’ inner liner.
Features:
  • Going-through rotor and forced vibrating hopper make mixture smoothly falling.
  • Hose dosing pump unit provides constant dosing.
  • Thin flow conveying method, used for wet-mix and dry-mix shotcrete.
  • Reinforced shotcrete with steel or various polyment fibre. For the most specific risks of this machine, safety and compliance with the essential requirements of the Directive has been based on elements of EN ISO 12100-1:2003, EN ISO 12100-2:2003/A1:1995, EN 60204-1:2006 and EN 1050:1997
 

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