CE 380v Gunite Shotcrete Machine Dry Concrete Aggregates Spraying
From Factory Directly
KEMING gunite shotcrete machine Features:
1.Pneumatic gunite machine can be used for dry or half wet concrete
spray construction.
2.It is widely used in the tunnel, culvert, subway, hydroelectric
works, underground works, slope reinforcement and high-methane
laneway of coal mine etc.
Shotcrete Machine is widely applied to harsh construction sites. However, routine maintenance is needed like other rotor type spraying machine.
1. The sealing plate and the steel liner plate are key parts of this machine. Please pay much attention to the maintenance for fear of failure in
operation.
Pressure on the sealing plate exerted by the fastening system is uneven. The maximal pressure finds itself between the discharging outlet and the residual air outlet, and this maximal pressure point drifts due to rotation of the rotor. However this pressure difference can be regulated by the fastening
system itself, so little air leaks from the junction plane during machine running.
Proper fastening is essential to reduce wear and waste cost. If the
fastening is not proper, the compressed air along with the fine
grain of mixture will leak between two plates. The fine grain outburst can corrode the sealing plate and make it useless.
Excessive fastening of the sealing plate will lead to over-stressing and excessive wear due to overheating. 110℃ is the maximal temperature sustainable to the sealing plate, and the normal working temperature is less than 80℃.
Every working shift should clean the sealing plate and check the
abrasion. Replace the sealing plate if the rubber plate is worn to such extent as the following: the steel bar is even with the rubber plate surface(Fig.2), or air is leaking out of residual air outlet or charging hopper. For that reason, the steel liner plate will touch the steel bar directly, which makes effective fastening and air-tightness impossible.
Check the steel liner plate once a week. Smooth or replace it, if the abrasion depth is more than 1mm.
Check the holes of the steel liner plate often to ensure sharp edges. If the edge is worn to bevel shape, the fine grains of mixture will penetrate into the junction planes and
increase abrasion. If the new sealing plate is installed but the holes on the old steel liner plate still exists bevel-shape edge, the working life of the new sealing
plate will be seriously shortened.
Smooth the steel liner plate and get rid of worn parts in time, and lots of troubles and maintenance cost can be saved.
2. Anti-stick chambers and the outlet elbow will not stick in normal
condition. However, the rotor and the outlet elbow should be opened to check after every shift.
3. Attention should often be paid to the maintenance of the reducer:
A. Clean the mess on the surface of reducer after every shift.
B. Check the oil gauge periodically and refill the oil as it is not
enough. The lubrication oil is #50 industrial gear oil (sy1172-77s) or #46
mechanical oil.
C. Replace the lubrication oil after a total working hour of 250h (about three months).
D. Supplement the lubricant oil of square axis bearing (an oil inlet is at the head of square
axis).
KEMING gunite shotcrete machine Technical Parameters:
| Model | KPZ-3 | KPZ-4 | KPZ-5/PC5I | KPZ-7 | KPZ-9 |
| Output m3/h | 2-3 | 3.5-4.5 | 4.5-5.5 | 6-7 | 7.5-8.5 |
| Max.conveying dist. m | 250 | 230 | 200 | 150 | 100 |
| Max. aggregate size mm | 15 | 18 | 20 | 20 | 20 |
| Hose inner diameter mm | 42/51 | 42/51 | 51 | 57 | 57/64 |
| Air consumption m3/min | 5-6 | 6-7 | 7-8 | 8-9 | 9-10 |
| Motor power kw | 3 | 5.5 | 5.5 | 7.5 | 7.5 |
FAQ
1. Q: Which shotcrete machine should we choose?
A: To recommend the most suitable model, please tell us:
- Material: dry / damp mixture, or wet mixture
- Capacity: 3/4/5/7/9m3/h
- Delivery distance (horizontally / vertically):
- Driven type: electric, air, diesel engine
2. Q: Do i need technical skills to operate this machine?
A: Yes. Please read the Operation Instruction for some basic
technical skills before operating this machine, and contact us if
any operation procedure is unclear.
3. Q: Can we have customized model?
A: Yes. Customized production and OEM production are available
according to your actual requirements.
4. Q: What is the vulnerable part? How many spares should we
prepare?
A: After long-time running, the rubber plate, steel plate, rubber
cavity, spraying nozzle, delivery hose may get worn. We will offer
some spares for free.
