B21, China Town Mall, Midrand
Small Electric Concrete Shotcrete Mining Tunnel Railway Pneumatic Dry Gunite Shotcrete Machine
- Section : Machinery
- Category : Engineering & Construction Machinery
- SKU : 1601261621336
Small Electric Concrete Shotcrete Mining Tunnel Railway Pneumatic Dry Gunite Shotcrete Machine
The Small Electric Concrete Shotcrete Mining Tunnel Railway Pneumatic Dry Gunite Shotcrete Machine is a powerful tool designed for effective shotcrete application in mining and construction. This machine offers high performance and reliability, making it ideal for projects that require durable and quick concrete application. With its advanced features, it ensures efficiency and ease of use in various environments.
Specifications
| Attribute | Details |
|---|---|
| Max. Conveying Distance | 200 m |
| Max Aggregate Size | 20 mm |
| Hose Inner Diameter | 51 mm |
| Air Consumption | 7-8 m3/min |
| Power | 3 kW |
| Weight | 700 kg |
| Voltage | 380 V |
| Dimension (L*W*H) | 1520*820*1280 mm |
| Output | 5 m3/h |
| Operating Air Pressure | 0.5 MPa |
| Water-Cement Ratio of Materials Used | ≤0.4-0.45 |
| Rotor Body Diameter | 438 mm |
Key Features
- Designed for dry shotcrete application.
- Highly efficient with a maximum output of 5 m3/h.
- Can convey materials over a distance of up to 200 meters.
- Robust construction with a weight of 700 kg for stability.
- Easy operation with a 3 kW power engine.
Applications
- Mining tunnel construction.
- Railway tunnel projects.
- Concrete strengthening and repair.
- Foundations and structural support.
- Various construction sites requiring shotcrete technology.
The Small Electric Concrete Shotcrete Mining Tunnel Railway Pneumatic Dry Gunite Shotcrete Machine is your ideal partner for effective shotcrete application. It combines power, efficiency, and flexibility to meet your construction needs.
Product Info Gallery
- Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 04 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
- Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
- Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
- Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What is the maximum conveying distance for this shotcrete machine?
The machine can convey dry shotcrete material up to 200 meters (straight-line/hose length dependent). Longer runs may reduce output and require booster equipment.
2. What is the maximum aggregate size the machine can handle?
Maximum aggregate size is 20 mm. Use properly graded material to avoid blockages and excessive wear.
3. What is the machine's output (capacity)?
Maximum output is approximately 5 m3 per hour under optimal operating conditions.
4. What are the power and electrical requirements?
The machine requires 3 kW of power and is designed for a 380 V supply. Confirm whether a three-phase 380 V supply is needed with your supplier or electrician.
5. What air supply is required for pneumatic operation?
Typical air consumption is 7–8 m3/min at an operating air pressure of about 0.5 MPa. Use an air compressor with a slightly higher margin to ensure stable performance.
6. What is the hose inner diameter and how does hose length affect performance?
Standard hose inner diameter is 51 mm. Increased hose length or excessive bends will increase friction losses and can reduce conveying distance and output.
7. Is this machine for dry or wet shotcrete?
This is a dry pneumatic (gunite) shotcrete machine. Dry mix is fed by the machine and water is added at the nozzle for spraying.
8. What water-cement ratio should be used with the materials?
Recommended water-cement ratio for the materials used is ≤ 0.40–0.45. For dry mix shotcrete, water is typically introduced at the nozzle to meet this ratio.
9. How heavy is the machine and what are its dimensions?
Weight is approximately 700 kg. Overall dimensions are 1520 mm (L) × 820 mm (W) × 1280 mm (H). Plan lifting and transport accordingly.
10. What maintenance is required to keep the machine running reliably?
Regular maintenance includes cleaning the hopper and hoses after each shift, inspecting and replacing wear parts (nozzle, hose, rotor seals), lubricating moving parts per supplier guidance, and checking fasteners and air system for leaks.
11. What are common causes and fixes for reduced output or clogging?
Common causes: incorrect aggregate grading or moisture content, insufficient air pressure or volume, excessive hose length/bends, worn rotor/nozzle. Fixes: check and correct mix, ensure compressor meets specs, shorten/straighten hose run, replace worn parts.
12. What safety precautions should operators follow?
Use appropriate PPE (dust mask/respirator, eye protection, hearing protection, gloves). Ensure ventilation in tunnels, avoid inhalation of dry mix, lock out power and isolate air when servicing, and follow site safety rules for working with pressurized air and heavy equipment.
13. What applications is this machine best suited for?
Designed for mining and railway tunnel shotcreting, structural reinforcement and repair, foundation and slope support, and other construction sites that require pneumatic dry gunite application.
14. Are spare parts and accessories available, and what should I stock on site?
Wear parts such as nozzles, hose sections, seals, and rotor components should be stocked. Availability varies by supplier — confirm spare parts list and lead times before purchase.
15. What installation and transport considerations should I plan for?
Due to its 700 kg weight, plan for mechanical handling (forklift, crane or pallet truck). Ensure a stable, level placement, access to a 380 V supply and adequate compressed air, and lay out hose runs to minimize bends and length.
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