Single-Effect External Circulation Vacuum Concentration System

Operating principle of the single-effect external circulation vacuum concentrator

Vacuum suction: Start the vacuum system to create a negative pressure inside the entire evaporator. As a result, the boiling temperature of the liquid decreases (for example, water boils at approximately -0.08 MPa vacuum at around 60°C).

Heating and external circulation: The material is drawn out from the bottom of the evaporator by a circulating pump and sent to an external tubular heat exchanger for efficient heating. The heated high-temperature liquid and some steam are then sprayed into the evaporation chamber.

Flash evaporation and separation: After entering the low-pressure evaporation chamber, the high-temperature liquid undergoes "flash evaporation, " and some liquid rapidly vaporizes. The generated secondary steam is quickly captured by the condenser above and cooled into water, which is then discharged. The concentrated material falls back to the bottom and enters the next cycle. This process repeats continuously, gradually achieving the required concentration.

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What we offer is a tailor-made concentration solution. From professional selection and design based on your material characteristics (viscosity, heat sensitivity, target concentration), to providing clear installation guidance and operation training. If you have specific material and production capacity requirements, we can provide you with more detailed technical solutions and benefit analyses at any time.