Usually, wet mix shotcrete machine is used as shotcrete machine for underground mining. Compared with dry mix shotcrete machine, wet mix shotcrete machine has some outstanding feature, such as low rebound, low dust, very suitable for some closed or semi-closed projects, mining, tunnel etc.
Wet mix shotcrete machine
For shotcrete machine for mining, operators need first mix sand, cement with water evenly, and then pour them into shotcrete hopper, compressed air blow wet concrete through conveying hose into nozzle, adding accelerator in the nozzle. Spraying concrete on the surface of working. More detailed working process, please check the below picture.
Spraying process for wet mix shotcrete machine
Choosing wet shotcreting machine for underground mining, which could achieve better spraying effect, high concrete strengthen. In order to avoid wet concrete having sag phenomenon, there is a accelerator pump in our wet mix shotcrete machine. It is mainly used for pumping accelerator, accrlerator is widely for reducing the setting time of concrete.
Accelerator pump
Want to know more working video regards shotcrete machine for underground mine. Please check the below link:
If you have some projects need our wet mix shotcrete machine, please tell us freely. Email address: info@gaodetec.com. You could click the below link and find us.
http://www.gaodetec.com/shotcrete-machine/gsz3000-wet-shotcrete-machine.html