Operation characteristics of china Sodium chloride multi-effect evaporation crystallization
China Sodium chloride multi-effect evaporation crystallization process is a part of the solvent and solute in the solution. Therefore, the evaporation crystallizer produced by the China Sodium chloride multi-effect evaporation crystallization manufacturer separates the volatile solvent and the non-volatile solute in the evaporation operation. The solution. Since the evaporation rate of the solvent depends on the heat transfer rate, it belongs to the operation of the heat transfer process. The heat transfer equipment of the evaporation equipment, however, has the following characteristics compared to the operation of the general evaporation heat transfer process.
1.China Sodium chloride multi-effect evaporation crystallization The boiling point of the solution rises
Because the solution contains non-volatile solutes, at the same temperature, the vapor pressure of the solution is lower than that of the pure solvent. Under the same pressure, the higher the boiling point of the solution, the higher the proportion of high-concentration pure solvent. Its impact is even greater.
2.China Sodium chloride multi-effect evaporation crystallization material and process characteristics
Substances in concentration, solutes or impurities are often heated and deposited on the surface to form a large-scale layer of deposited crystals that affect heat transfer. Some solutes are thermally sensitive and perishable for long-term residence at high temperatures. Some materials have greater corrosion or higher viscosity.
3.China Sodium chloride multi-effect evaporation crystallization energy recovery
The evaporation process of the solvent is the process in which the evaporation process is a large energy-consuming unit operation due to the large latent heat of evaporation of the solvent. Therefore, energy saving is an important issue in the operation of the evaporator.