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    Multiple-Effect Evaporator Works Better in Food Processing

           An evaporator, always multi-function extracting tank (double-effect evaporator, triple-effect evaporator, four-effect evaporator) or single-effect evaporator, is used to evaporate compressed cooling chemicals from liquids into gas while absorbing heat generated in this evaporation precess. Apart from this, it can also be used to remove certain liquid from mixtures. The evaporator is widely applied in food and chemical concentration. Here, we will tell the multiple-effect evaporators from the single-effect ones in food manufacturing industry: Does it matter to choose the an evaporator? If it does, then how to choose the the right evaporator?
            It is widely thought that the foods and drinks of well-balanced taste are more preferable to us. In fact, choosing the right evaporator helps a lot in processing the tasty foods or luscious drinks. More exactly, the multiple-effect evaporators do better in food concentration than the single-effect ones. 
            Then, what is wrong with the single-effect evaporator? Initially, we have to admit the advantage that a single-stage evaporator is easy for operation and controlling in using. This evaporator is adjustable in evaporating temperature and velocity according to processed substance's viscidity and thermo sensitivity. But it comes with a series of disadvantages which hardly rise in the multiple-effect evaporator.
            In the evaporation process, static liquid pressure will lead to boiling point variance: boiling point over the liquid surface is lower than that beneath the liquid surface. While increasing substance viscidity intensifies this problem and will result in coking. Thus, thermal transmission is greatly negatively effected. You can imagine weather the food can be in well-balanced taste or not. Besides, the single-effect effect evaporator is also not a wise choice for large-sized food manufacturer because its uneconomical energy consuming and limited thermal transmission scale.
            According to stages, the Resin Making Complete Plant is known as double-effect evaporator, triple-effect evaporator, four-effect evaporator, etc. Comparatively speaking, it presents a few advantages over the single-effect one. The top one is that the multiple evaporating stages can solve problems about point variance, because the evaporated quality is gradually controlled in several steps. Apart from this, the evaporated gas can be reused to heat the rest materials, which is energy saving and greatly economical for large-scale procession.
            Other advantageous features are as follows: 1. In comparatively lower working temperature, it is harder to bring damage to thermal sensitive materials; 2. Lower pressure in multiple-effect evaporator and gas recycling can increase production rate while decreasing energy consumption; 3. Thermal transmission works better. All these features above have demonstrated the multiple-stage evaporators are preferable options than the single-effect ones for food manufacturers to produce high quality foods and drinks with lower production costs. 

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