Now concrete spraying machines
are mainly divided into two types: dry spraying machine and wet
spraying machine. They are used for grouting
protective coat of thin-walled
structure and steel structure such
as tunnel lining, wall, ceiling and
so on. Concrete spraying machines are
widely applied in concrete
spraying construction operations
of mine, tunnel, culvert, metro, hydroelectric project, underground construction and
slope protection.
Wet spaying machines are
conveying concrete mixed to the
nozzle by the pump, compressed
air is added at the outlet of pump
to make materials and air fully
mixed in the pipeline, which helps
the materials sprayed more
uniform. Accelerator is also put at
the nozzle to expedite setting of
materials. With this method, spraying speed is lower, resilience
is reduced, mixed materials is easy
to control, the working efficiency
is higher than dry spraying.
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Trade Leads Directory -> All Trade Leads -> Construction -> Construction Equipment -> SPJ10-6-19 Wet Concrete shotcrete machine
