Working principle of shotcrete machine
2021-03-09
The shotcrete machine is also called concrete shotcrete machine. It uses compressed air to transport the concrete mixture according to a certain proportion through the pipeline and spray it to the sprayed surface at high speed to set and harden, so as to form the concrete support layer. With its simple process, unique effect, economic cost and fast construction speed, shotcrete technology is widely used in construction, railway highway tunnel construction, mine roadway construction, slope reinforcement and other fields.
Working principle of the shotcreting machine: the mixed dry materials are fed into the shotcreting machine through the discharge port of the batching mixer (or manual mixing and feeding) through the vibrating screen. The material is stirred by the ejector and injected into the material cavity of the rotor assembly. The material cavity rotates with the rotor body to the discharge port, where compressed air is introduced from the air circuit system, the materials are blown into the discharge elbow, and another stream of compressed air is introduced by the cyclone, Blow and accelerate the materials in the form of multi head swirling flow, rotate and float them, enter the material conveying hose, reach the nozzle, add an appropriate amount of supplementary water, and then spray them on the sprayed surface.
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