Laboratory evaporator, concentration, recovery of alcohol, and reagent removal equipment include rotary evaporator (commonly selected due to its economical price), rising film evaporator (highest efficiency), wiped film evaporator, and falling film evaporator. Today, let's take a look at what parts of the rotary evaporator are composed.
The following are TOPTION brand laboratory small rotary evaporators (1L 5L) and large-capacity rotary evaporation equipment (50L 100L). The rota evaporators are mainly used in laboratories composed of motors, evaporation flasks,collection flasks, heating bath, condensers.
The evaporation flask is an eggplant-shaped or round-bottomed flask with a standard ground port. It is connected to a vacuum pump (rotary evaporator generally needs to be used with a vacuum pump, which is beneficial to reduce the boiling point of the material and improve the evaporation efficiency) through a high reflux serpentine condenser. The other opening of the reflux condenser is connected to a receiving flask with a ground mouth, to receive the evaporated organic solvent. There is a three-way piston between the condenser tube and the vacuum pump. When the system is in connected with the atmosphere, the evaporation flask and collection bottle can be removed to transfer the solvent. When the system is in connected with the vacuum pump, the system should be in a reduced pressure state.
The heating bath is a heat source for the evaporation flask as it is needs to be heated at a constant temperature when it is rotating.This heating bath can be a water bath or an oil bath (you can choose suitable one according to you actual requirements). The solution in the bottle is heated and diffused in the rotating flask under negative pressure. A heating bath is used to heat the solvent in the evaporation flask, the heating temperature can be close to the boiling point of the solvent, and it can also be rotated to make the solvent form a thin film and increase the evaporation area. In addition, under the action of the high-efficiency condenser, the steam can be quickly liquefied to accelerate the evaporation rate.
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