SSG Machinery
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This machine is mainly used for dry-mix concrete spraying in tunnelling, culvert, subway, slope stabilization, swimming pools, mining and underground engineering; The explosion-proof type is suitable for coal mining, chemical mine and other places with high combustible gas. Can be equipped with electric, pneumatic or diesel engine drive.
It is dustless, suitable for using in tunnels, mine, bridge, highway, subway, culvert, engineering and hydropower projects.
The principle of the PZ- rotor-type concrete spraying machine has two sets of conveying systems:
1. Concrete Conveying System: The finished concrete mixed by the mixer enters the hopper and is sent to the air mixture through the feeding system. The tank is mixed with high-pressure gas and then passes through the injection pipe to the nozzle in a thin flow state.
2. Liquid Accelerator System: This system adjusts the flow rate of the metering pump. The liquid accelerator is mixed with high-pressure air through the atomizer, then mixed with the concrete in the mixing ring of the nozzle before being sprayed onto the surface.
Dry shotcrete machine is mainly composed of feeding system, air pipeline system, accelerator metering and adding system, transmission system, walking system, and electrical system.
| Model | SGP-6 | PZ-7 |
|---|---|---|
| Working Capacity (m³/h) | 6 | 7 |
| Max. Convey Distance (m) | 35 vertical, 100 horizontal | 35 vertical, 100 horizontal |
| Recommended Water-cement Ratio | ≤0.4 | ≤0.4 |
| Accelerator Dosage (%) | 2-10 | 2-10 |
| Max. Grain Size (mm) | 20 | 20 |
| Spraying Hose Diameter (mm) | Φ51 | Φ57/Φ64 |
| Working Air Pressure (MPa) | 0.4-0.6 | 0.4-0.6 |
| Air Consumption (m³/min) | 8-10 | 10-12 |
| Feeding Height (mm) | 1100 | 1300 |
| Main Motor + Vibration Motor (kw) | 5.5+0.15 | 7.5+0.25 |
| Weight (kg) | 750 | 850 |
| Dimensions (mm) | 1400×800×1100 | 1500×800×1300 |
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