Summary：
       PC7I rotor concrete spraying machine is moist-spray machine,which is certified by Mining Products Safety Approval and Certification Center,the MA number:MEF130699,Rail wheel gauge: 600mm , 762mm, 900mm optional, Operating voltage: 380V / 660V, 660V / 1140V optional.which uses compressed air, according to a certain proportion of the concrete mixing material by pipeline and high-speed spray to the spray surface, and forming concrete supporting layer.The machine is mainly used in coal mine, metal mine, tunnel, subway, high marsh high dust mine and other flammable and explosive hazardous environment shotcrete work.
       The machine can be used in coal mine underground mining face operations.

Characteristics：
1.Flexible and easy to use, easy to operate;
2.High safety and stability, the use of MA-level pieces of wear-resistant parts and GB products to ensure the safety and stability of equipment;
3.High-performance, multi-head spiral air transport technology so that sprayed concrete dense, homogeneous, high strength；
4.Coal mine explosion-proof products, can be used for mining face underground and other areas of explosion-proof operations.

Technical parameters：
Product name：       Coal mine explosion-proof concrete spraying machine
Model：           PC7I
MA certificate number：   MEF130699
Output：          7m3/h
Maximum delivery distance：Horizontal：100m，Vertical：30m
Maximum aggregate：   20mm
Working pressure of air：  0.3～0.6MPa
Air consumption：     10m3/min
Motor power：       7.5kW
Voltage：         380/660V or 660/1140V
Gauge：          600mm、762mm or 900mm
Dimensions：       1600x760x1200mm
Weight：         850kg

Key Words：Coal mine explosion-proof concrete spraying machine Shotcrete Machine Concrete spraying machine