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Instructions for supporting the rotary evaporator

The R series rotary evaporator is a 0.5-2L small experimental instrument, a 5-50L pilot and large-scale production instrument. The key components are sealed with PTFE and fluororubber, and patented technology ensures high vacuum. The temperature is controlled by PID, ensuring accurate temperature control.

The DL series circulating cooler is recommended for the supporting cooling system. The compressor adopts a fully enclosed compressor from an internationally renowned brand, and the circulating pump adopts a high-performance domestic circulating pump. The enclosed circulating system effectively prevents the volatilization and pollution of the refrigerant, and uses a fluorine free and environmentally friendly refrigerant that does not contain chlorofluorocarbons, which meets international environmental refrigeration standards.

The recommended vacuum system includes SHB-III series desktop circulating water multi-purpose vacuum pump, SHB-B95 series circulating water multi-purpose vacuum pump, MP diaphragm vacuum pump, and a variety of models for users to choose from. Supporting solvent recovery devices are also available.

The correct way to use a rotary evaporator

① Before starting, check if the power supply is properly connected and if the cooling medium pipe is properly connected.

② Turn on the power of the cold source equipment, vacuum equipment, heating bath, and rotary evaporator.

③ Start the cold source equipment, let the cooling medium pass through the condenser, and check if there is any leakage in the cooling medium pipe; Start the vacuum equipment and check for leaks in the vacuum connection pipe.

④ Set the temperature of the cold source equipment and the vacuum degree (if equipped with a vacuum controller); Set the temperature of the heating bath and wait for the heating medium to reach its operating temperature.

⑤ Add the distilled solution to the evaporation bottle, ensuring that the volume of the added solution does not exceed 2/3 of the evaporation bottle; Install the evaporator bottle onto the rotary evaporator; Set the rotation speed and start distillation.

⑥ After the temperature of the cooling medium, vacuum degree, and heating bath reach the preset values for a period of time, the distillation conditions can be re optimized based on the properties of the solvent, distillation rate, and condensation recovery rate.

⑦ After distillation is completed, the rotation stops, the distillation bottle is lifted off the heating liquid level of the bath, the power of the bath is turned off, and according to the operation manual, after releasing the internal pressure, the vacuum pump and cold source equipment are turned off. When the evaporation bottle cools to room temperature, remove the evaporation bottle and collection bottle for the next step of treatment.

⑧ Clean the rotary evaporator and set it aside for use.