1. When fractional spraying, spraying should be conduct after the previous material condensates; if respraying a hour later, you should clean the surface of spray layer firstly. If there is crack dips, it should be filled and then begin the normal injection.
2. It is forbidden to aim at people the nozzle.
3. In the process of injection, you should immediately shut down the water-gate and place the nozzle down if there are breakdown like blocking pipe and power failure, in order to avoid water flowing into the feeding tube; When handling blocking pipe, striking method can be used to unclog the feed tube.
4. Operators should wear dust mask, latex gloves and glasses. Dust concentration must be less than 6 mg/m3.
5. After injection, spray layer should be watered once a day, and continuous 28 days.
6. The operators of gunning machine must receive special training and are familiar with the structure and working principle of the gunite machine; they can eliminate the general breakdown and conduct ordinary maintenance.
7. The inlet of concrete spraying machine needs be sealed good to prevent the air leakage and blowing dust;Vent open, emissions smoothly; the joint of spray pipe is firm and good seal.
Gaode Equipment Co., Ltd, short name Gaodetec, is a manufacturer specialized in R&D, manufacture and sale of shotcrete machine. We have now developed full series of dry-mix shotcrete machine and wet-mix shotcrete machine, output from 1.5m3/h to 9m3/h,electric motor,diesel engine,air motor and gasoline are available options for customization.
If you are interested in our products, please keep free to contact with us.