2l Rotary Evaporator

The core of the basic principle of the 2l rotary evaporator lies in the technology of decompression distillation, which skilfully combines the physics principle of decompression with the essence of chemical distillation. Under reduced pressure, the boiling point of the solvent is correspondingly lowered, which means that the solvent can be effectively evaporated at a lower temperature. At this point, the distillation flask is designed to rotate continuously, a design that not only enhances the utility of the equipment, but is also key to improving evaporation efficiency.

When the distillation flask rotates at a constant speed, the material inside will be subjected to centrifugal force, thus forming a continuous and uniform film on the inside wall of the flask. This film greatly increases the contact area between the material and the heat source, allowing heat to be transferred to the material more quickly and evenly, thus accelerating the evaporation of the solvent. In addition, the dynamic effect produced by the rotation also helps to break the bubbles and agglomerates in the material, further improving the uniformity and efficiency of evaporation.

Therefore, the 2l rotary evaporator not only reduces the evaporation temperature of the solvent, but also significantly improves the evaporation efficiency through the dual effects of decompression distillation and continuous rotation, making this equipment widely used in laboratories in the fields of pharmaceuticals, chemical engineering and biopharmaceuticals. Its unique design concept and efficient evaporation performance provide strong support for scientific researchers and promote the in-depth development of research in related fields.

Rotary motor: It drives the evaporation bottle by rotating.
Evaporation pipe: the support shaft for the rotation of the evaporation bottle, and also the vacuum sealed pipe for extracting the vapour from the material.
Vacuum system: reduces the pressure in the evaporator system and lowers the boiling point of the material.
Heating bath: commonly used water or oil to heat the material, so that the evaporation bottle in the solvent heating temperature close to the boiling point of the solvent.
Condenser: In order to speed up the condensation efficiency, usually made into a double snake surround type, and then add condensate such as dry ice, acetone to condense the sample. High-efficiency condenser tubes liquefy the hot vapour quickly, speeding up the distillation rate.
Condensate collection bottle at the bottom of the condenser: used to capture the distilled solvent after recondensation and to collect the sample.
Lifting device: a mechanical or motorised mechanism that quickly lifts the evaporation flask from the heating bath.

2l rotary evaporator is widely used in the following fields:

Chemical industry: used for solvent recovery and concentration in the process of organic synthesis, preparation of high-purity chemicals.
Food industry: used for concentrating fruit juice, sauce, seasoning and other liquid food, extracting plant extracts and spices.
Pharmaceutical industry: used for solvent recovery and concentration, preparation of drug particles, drug coating and pharmaceutical preparations.
Petrochemical industry: used for separation and concentration of oil, natural gas and chemical products, extraction of useful components, waste water treatment.
Environmental engineering: for solvent recovery in waste water treatment and exhaust gas treatment.

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