Wednesday, June 26, 2019

What is the Multiple Effect Distillation?

The Multiple Effect Distillation (MED) utilizes the principle that water has different boiling temperatures at different pressures.

In the multi-effect evaporation system, the first effect of heating the steam into the evaporation system, the secondary steam generated by the first effect enters the second effect as the second effect heating steam. In this way, the last effective secondary steam is introduced into a condenser, which is condensed by external cooling water, and the effect of energy saving is achieved by multiple utilization of steam. 



System Features

(1) steam drive;

(2) The electricity consumption per ton of water evaporation can be as low as 1.7 kWh;

(3) The more the effect, the less the steam consumption, the GOR (the ratio of the water production ratio to the amount of evaporated water and the amount of steam consumed) can be as high as 5-10. For general wastewater treatment or industrial applications, the effectiveness is 2 -5 effect;

(4) It can be in the form of a horizontal tube or a riser, each having its own strength, depending on the characteristics of the original water;

(5) Fully automatic online cleaning, easy to clean and maintain;

(6) Fully automatic control, high degree of automation, easy operation, and unattended operation;

(7) Different materials can be selected, including high-grade stainless steel series and titanium to effectively prevent corrosion of materials;

(8) The vapor-liquid separation area is large and the separation height is high, which can guarantee the quality of distilled water;

(9) The circulating water head is lower and the power consumption is less;

(10) The amount of hot water in the hot well is small, and the change of the liquid level provides a stable control point;

(11) The system has a small footprint;

(12) Less maintenance and maintenance, and the service life is more than 20 years.

For more information, please visit https://www.sputtertargets.net/.

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