1. Remember not to open the circulating water too much, otherwise the water will overflow;
2. Open the water pump, close the vent valve of the rotary evaporator, and start to rotate after the vacuum drops to more than half to prevent it from falling;
3. When there are a lot of bubbles in the bottle, deflate them in time to prevent them from erupting;
4. If it is sprayed, clean the explosion-proof ball in time to avoid polluting other samples;
5. Pour out the waste liquid in time after spinning;
6. Use the oil pump to turn it back and restore it to its original state;
7. Turn off the circulating water after spinning;
8. When suction filtration and rotary steaming are used at the same time, do not pipe the water pump, otherwise it will suck back;
9. After use, bleed first, then turn off the pump, and then turn off the circulating water.
