Application of rotary evaporator in industry

The rotating evaporator consists of a set of spiral tubes for cooling water, brine or other liquids The device has the advantages of simple structure, large cold storage capacity, convenient operation, small dangerous type of refrigerant freezing, easy inspection and maintenance Application of rotary evaporator operation in industry: evaporation is a unit operation in which the solution containing nonvolatile solute is heated to boiling state by heating method, and part of the solvent is vaporized and removed, so as to improve the solute concentration in the solvent In industrial production, there are several occasions for the application of evaporation operation: 1 Directly making products from concentrated dilute solution or reprocessing concentrated solution (such as cooling crystallization) to make solid products, such as concentration of electrolytic caustic soda solution, concentration of sugar aqueous solution and concentration of various fruit juices, etc 2 Concentration of solution and recovery solvent at the same time, such as concentration and dephenylation of organic phosphorus pesticide benzene solution, evaporation of alcohol extract in traditional Chinese medicine production, etc.; 3 In order to obtain pure solvent, such as seawater desalination, etc In a word, evaporation is widely used in chemical industry, food industry and pharmaceutical industry.