Double-effect Forced Circulation Evaporator for Electroplating Effluent Treatment
Forced circulation evaporator, the material inside is pressurized by a forced circulation pump into heating chamber, then flows into the separation chamber to be vapor-liquor separated. The liquor phase material keeps circulating between heating chamber and separation chamber until reached a certain concentration, and the vapor separated is discharged from the top of the separation chamber. It is especially for concentration and crystallization of material which is of greater viscosity, producing scaling or crystals. And it can be designed as single-effect and multiple-effect according to specific requirements.
Application Scope
Forced circulation evaporator has been widely used for concentration of water solution and organic solution in food processing, pharmaceutical industry, chemical industry and environmental protection industry, especially for material which are of greater viscosity, producing scaling and crystals, eg. Various fruit pulps (tomato paste), organic salts (ammonium sulfate, sodium chloride, calcium chloride, magnesium sulfate and etc), maltodextrin, starch and etc.
Main Principle
Forced circulation evaporator adopts a forced circulation pump forcing the liquor material to pass through the heat exchange tubes at velocity of 2~5m/s. And the high velocity of material inside the heat exchange tubes is able to avoid scaling produced on the surface of the heat exchange tubes by the boiling products.
System Configuration
The forced circulation evaporator could be designed as single-effect and multiple-effect according to specific requirments, and it consists of heating chamber, seporation chambers (crystallizer), forced circulation pumps, vacuum pump, material delivery pumps, operation platsform and electrical control system.
Treatment Capacity
The treatment capacity is customized according to requirements, 200kg/h~500,000kg/h for option.
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