1. Before starting the mixer and belt conveyor, the bell should be pressed three times, each time interval is 10 seconds. The third bell can start the device after 5 seconds.
2. If it is really necessary for maintenance, the power supply should be disconnected, the sign "No closing when someone is working" should be hung up, and special care should be provided to prevent misclosing. Only when there is no one in the mixing tank can the mixer be started to prevent casualties.
3. It is strictly forbidden for personnel to put their hands into the screw conveyor. If it is really necessary, the power supply should be disconnected, the sign "No closing when someone is working" should be hung up, and special care should be provided to prevent misclosing. The screw conveyor can be started only after the safety is ensured.
4. Personnel are strictly forbidden to stand on the belt conveyor in order to prevent personal accidents.
5. Electric equipment should be connected to zero and grounded strictly in accordance with regulations in order to prevent electric shock accidents.
