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Multiple Effect Evaporator
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MULTIPLE-EFFECT EVAPORATOR, as defined in chemical engineering, is an apparatus for efficiently using the heat from steam to evaporate water. In a multiple-effect evaporator, water is boiled in a sequence of vessels, each held at a lower pressure than the last. Because the boiling temperature of water decreases as pressure decreases, the vapor boiled off in one vessel can be used to heat the next, and only the first vessel (at the highest pressure) requires an external source of heat. While in theory, evaporators may be built with an arbitrarily large number of stages, evaporators with more than four stages are rarely practical except in systems where the liquor is the desired product such as in chemical recovery systems where up to seven effects are used.Material of Construction (MOC) Offered: - CS (IS 2062 Gr A/B, SA 516 Gr 60/70, BQ), SS 316, SS 304, SS 316 L, SS 304 L. SS 310, MONEL, INCONEL, TITANIUM, HASTALLOY, ETC.
Multiple Effect Evaporator System
500,000 - 1,000,000 Per piece
1 piece (MOQ)
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Multiple Effect Evaporator
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Multiple Effect Evaporator Multi-Effect Evaporation is an important procedure adopted to economize the consumption of energy. The Multi Effect Evaporators are designed to economize the consumption of energy. These are designed in such a way that the steam from an outside source is condensed in the heating element of first effect. Further for second effect the boiling temperature of first effect is just too high that evaporated water can serve as the heating medium. The formed vapors than send to condenser, if it is the double effect evaporator. But in the multi effect evaporators, the feed is generally transferred from the one effect to another, which leads to ultimate product concentration which further reaches to one effect of evaporator. Operation can be carried out backward feed or operation forward feed operation.Features : Economized consumption of energy Excellent evaporation from one effect to another Suitable for viscous solutions Excellent heat transfer coefficient Applications : Concentration of sugar solutions to extremely high solids content Removal of water from soaps Finishing concentrator on certain fruit purees Removal of solvents from vegetable oils Sugar beet factories Pharmaceutical industries
Multiple Effect Evaporator
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The multiple-effect evaporator combines two or more evaporator bodies to conserve steam, which is condensed in the first-effect heat exchanger only. Water evaporated in the first-effect vapor body is condensed in the second-effect heat exchanger, which provides energy for evaporation in the second-effect vapor body (and so on for additional effects). Vapor from the last effect flows to a condenser. The last-effect vapor body is maintained at a high vacuum with a steam-jet air ejector or mechanical vacuum pump.he driving force is the pressure drop from the first to the last effect. For the same overall pressure differential and process conditions, the evaporator with more effects will require less steam. The evaporation in each effect will be higher for each pound of steam condensed in the first-effect heat exchanger. For the same evaporation rate, a multiple effect evaporator will require less steam than required for a single-effect evaporator.
Multi Effect Evaporators
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Multi Effect Evaporators, continuous evaporator, evaporation material
