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Air gun safety operation procedures

         1. Checking security considerations

         1.1. Work in air cannons or on standby, absolutely prohibited personnel down to the warehouse or in the air cannon overhaul;

         1.2. Confirm that the air gun in a pressurized state;

         1.3 inspection, should avoid ears close to the quick release valve, in order to avoid impact damage eardrum airflow;

Change automatic control box 1.4. Without the permission of circular jet blasting program and marshalling parameters, it is forbidden to random implementation manual spray explosion.

         2. The material is temperamental predominance safety operation procedures

         2.1 confirm the warehouse no homework and no one is in maintenance after the air gun, in clean mouth put up "no admittance" warning signs;

         2.2. Open the inlet valve of air supply and air gun, close the discharge valve;

         2.3. Confirm that the air gun in a pressurized state;

         2.4. Confirm the normal operation of the downstream equipment, special attention should be paid to the discharging port logistics flow.

         2.5 the pressure inside the air tank to confirm each air cannons above 0.5 MPa 

         2.6. Open air cannons electromagnetic valve power supply or manual button control box, spray air cannons, pay special attention to the solenoid manual button or push button actuation time shall not exceed 1 seconds;

         2.7. Stay within the air cannon air tank pressure is greater than 0.5 MPa, can be in the next round of cycle.

         2.8. Close the gas source, and hang "do not open the air supply" warning signs; 

         2.9. Close the inlet valve of each air cannons, open the discharge valve and filter water valve;

         2.10. Emptying of each air gun inside the air tank of compressed gas;

         2.11. Disconnect the power of the control box, and hang "do not switch" warning sign.