► Description:
LZ-9L Shotcrete system for tunnel boring machine is a multifunctional highly efficient rotor machine for
wet & dry sprayed concrete applications, with effective outputs included between 3-9m³/h. The
materials which can be sprayed and conveyed are concrete, mortar, refractory, sand, pea gravel and
crushed stone.
LZ-9L shotcrete machine for TBM compared with the traditional spraying and conveying machine, it
has several advantages: hydraulic floating compression (pressure automatic compensation after the
rubber sealing plate is worn), hydraulic turning hopper house, hydraulic lifting rotor body, automatic
anti-blocking function, rubber seal plate automatic lubrication, the locally control mode and remote
control function with PLC control system, which greatly enhance the degree of automation of the
machine and increase the machine efficiency. Therefore, this machine is installed into the TBM for
the pea gravel spraying, as well as it is widely used in tunnels’ projects, slopes’ consolidations,
channels’ restorations etc.
► Application:
pea-gravel when tunnelling with a TBM. The shotcrete machine machine’s flexibility both in terms of
workable mixes and outputs ranges, allows a very wide field of applications.
Therefore, this automation shotcrete machine for TBM is installed into the TBM for the pea gravel
spraying, as well as it is widely used in mines, tunnels, culverts, subways, hydropower projects,
underground projects, etc.
LZ-9L Shotcrete system for backfilling pea gravel installation on TBM:
► Features:
1. Hydraulic turning hopper house.
2. Rubber seal plate automatic lubrication.
3. Conveying hose automatic anti-blocking function.
4. Shotcrete machine for tunnel boring machine with hydraulic lifting rotor body.
5. Shotcrete machine for TBM has locally control mode and remote control function.
6. Shotcrete system for tunnel boring machine adds the dosing pump, it can be used for wet shotcrete.
7. Hydraulic floating compression (pressure automatic compensation after the rubber sealing plate is worn).
Name |
Data |
Type |
LZ-9L |
Motor power |
7.5 KW (main motor) +0.75 KW (hydraulic system) +0.04 KW (vibration motor) |
Voltage |
380V, 50Hz, three-phase four-wire |
Rotor volume |
13 L |
Maximum theoretical production capacity ① |
3-9 m³/h |
Speed control |
PLC+Touch Screen+VFD |
Hose size (mm) (inner diameter × outer diameter) |
64×85 mm |
Aggregate diameter |
20 mm |
Air consumption of rotor |
12-14 m³/min |
Protection grade |
IP55 |
Working pressure |
2-4 bar |
Discharge diameter |
64 mm |
Horizontal conveying distance (according to wind pressure) |
200 m |
Vertical conveying distance (depending on wind pressure) |
60 m |
Power supply |
220V(380V, 415V Multiple choices) |
Dimension |
2295×950×1350 mm |
Weight |
1425 Kg |
①Data is based on safe filling and complete emptying of the cylinder. |
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We could also customize shotcrete system for tunnel boring machine according to your demands. |