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Shotcrete Equipment

The shotcrete equipment is widely used in mines, tunnels, culverts, subways, hydropower projects, underground engineering and coal-fired high-altitude mine roadway shotcrete construction operations; various types of industrial furnaces, furnace lining refractory spray molding or repair; various slope protection greening during construction, soil transport and spraying. The machine can be used for both tidal spray and dry spray and various fiber jet operations.

Dry Shotcrete Machine
Dry Shotcrete Machine

Wet Shotcrete Machine for Sale
Wet Shotcrete Machine for Sale

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Machine Composition:

The shotcrete machine is used in dry spray, tidal spray and wet spray concrete. It has the characteristics of reasonable structure, stable performance, convenient operation and long service life. It is suitable for tunnel culvert underground engineering and coal mine, moorland, mine roadway and jetting. Concrete construction work. This kind of machine is mainly composed of five parts: mechanical power system, feed feeding system, pressure air conveying system, quick-setting agent metering and adding system and electric control system.

Wet Shotcrete Equipment
Wet Shotcrete Equipment

Wet Shotcrete Equipment for Sale
Wet Shotcrete Equipment for Sale

Shotcrete Equipment Parameter:

Dry Type Shotcrete Machine
Model
YG-3D
YG-6D
YG-7D
Capacity
3 m³/h
6 m³/h
7 m³/h
Water Cement Ratio
<0.4
<0.4
<0.4
Max Aggregate Size
20m
20m
20m
Rotor Diameter
350mm
440mm
480mm
Working Pressure
0.4-0.6 mpa
0.4-0.6 mpa
0.6-0.8mpa
Air Consumption
3-4 m³/h
6-8 m³/h
7-8 m³/h
Motor
3 kw
5.5 kw
7.5 kw
Dimension
1040*550*950 mm
1300*705*1300 mm
1600*750*1200 mm
Weight
260 kg
600 kg
700 kg
Wet Type shotcrete machine
Model
YG-5W
YG-7W
Capacity
5m³/h
7m³/h
Tube Diameter
51 (mm)
57 (mm)
Discharge Head
50m(Horizontal)

 

20m (Vertical)

50m(Horizontal)

 

20m (Vertical)

Max Aggregate
15 (mm)
15 (mm)
Compressed Air Consumption
7-10m3/min
7-10m3/min
Air Pressure
0.2-0.6 (mpa)
0.2-0.6 (mpa)
Motor Power
5.5(kw)
7.5(kw)
Hopper Feeding Height
1000 (mm)
1250 (mm)
Weight
720(kg)
830(kg)
Dimension
1350*750*1150 (mm)
1400*750*1300 (mm)

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Use of the Process Should be Noted:

The shotcrete machine is an advanced engineering construction equipment. Its production incorporates many high-tech technologies, so it is very popular among consumers. This kind of machine is also very simple in operation. If you don’t have professional training, you can get started, so don’t worry about the danger caused by not operating. Today, I will tell you some problems that should be paid attention to during the use of the machine to extend the service life of the machine.

  1. During the operation of the machine, it is strictly forbidden to clean the material cavity with a long stick to avoid serious accidents causing injury.
  2. It is strictly forbidden to wash the electric control box, vibration motor and main motor with water when cleaning the machine, so as to avoid short circuit and affect the normal operation of the machine.
  3. When used in underground coal mine production, the parts in the safety standard list of the safety standard shall not be replaced by the user.
  4. The machine is used to prevent long and large objects such as steel bars and iron plates from entering the rotor cavity during use to prevent accidents caused by the machine.

When the shotcrete machine is working on shotcrete, if there is no material to be sprayed out at the nozzle, thee are usually two situations:

First, when the pipe is to be blocked, the conveying pipe is not blocked, but the conveying condition inside the conveying pipe is deteriorated. At this time, the vibrator should be closed, and the mixing in the conveying pipe. The material is injected and the pressure in the pipeline is restored to the normal working range and then turned on.

Second, the pipe is blocked, the pipeline has been blocked, then the machine should be shut down, and then the pipeline should be cleaned. When the pipeline is confirmed to be fault-free, please restart the machine to resume normal operation.

Dry Shotcrete Machine
Dry Shotcrete Machine

Dry Shotcrete Equipment
Dry Shotcrete Equipment

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Standard Operating Specifications:

The preparation of the operation:

  1. Check whether the shotcrete machine is in good condition, and the power supply is running at no load. The friction plate is fastened and no air leakage is allowed.
  2. Connect the fengshui pipeline, open the air supply and water supply valves, check the wind pressure and water pressure, and check whether the feng shui pipeline is leaking, leaking, and unblocked. If there is any problem, deal with it in time.
  3. Check if the delivery pipe is damaged and replace the delivery pipe when there is damage.
  4. Rinse the rock face with high-pressure water before spraying. ( The loose rock and expansive surrounding rock are strictly prohibited to wash the rock face with high-pressure water, and the crushed wind can be used to remove rock powder and gravel ).

Pay Attention to During Routine Maintenance:

  1. Shotcrete accessories–sealing plate and rotor lining are the key parts of the shotcrete machine, we must pay attention to their maintenance, so as to ensure that there is no failure in the work.
  2. The anti-adhesive cavity and the discharge elbow have anti-stick function, generally do not stick during work, but the rotor should be opened after the end of each shift, and the elbow should be inspected and cleaned.
  3. Always pay attention to the maintenance and maintenance of the sprayer reducer:
  4. After every shift, the mixing materials such as the mixing material on the outer surface of the reducer should be cleaned up in time.
  5. Always observe the oil mark. When the oil is insufficient, it should be filled in time.
  6. The oil should be replaced after 250 hours of work ( about three months ).
  7. The rotor square shaft bearing grease should be filled in time ( the oil filling port on the top of the square shaft ). Every 8 hours of the shotcrete machine needs to be shut down for maintenance and repair to ensure that the spray rotating boom is running normally; when the spray stop time exceed 10 minutes, the spray gun and the slurry pipe should be cleaned in time, and the disassembly, cleaning, installation and commissioning should be strictly carried out according to the instructions. Use a spray gun to maintain the spray gun’s performance.
Shotcrete Spare Part
Shotcrete Spare Part

Shotcrete Spare Part for Sale
Shotcrete Spare Part for Sale

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