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多效蒸發(fā)器

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化工機(jī)械設(shè)備網(wǎng)采購(gòu)部電話(huà)：0571-88918531QQ:2568841715

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更新時(shí)間：2023-07-23 14:51:14瀏覽次數(shù)：130次

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商鋪產(chǎn)品：81條

所在地區(qū)：江蘇常州市

聯(lián)系人：李先生

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概述：

多效蒸發(fā)器，由較原始的蒸發(fā)釜，發(fā)展成單效、雙效、三效、四效或者更多效蒸發(fā)器，其目的都是為了逐漸減少能源消耗。多效蒸發(fā)器是由相互串聯(lián)的多個(gè)蒸發(fā)器組成。是利用前一效蒸發(fā)產(chǎn)生的二次蒸汽為下一效提供熱源，來(lái)達(dá)到節(jié)能的目的。多效可以回收部分的二次蒸汽，效數(shù)越多回收的二次蒸汽越多。這一點(diǎn)有別于MVR蒸發(fā)器能夠回收全部的二次蒸汽。一般米說(shuō):三效蒸發(fā)每噸水消耗0.37~046噸蒸汽，四效蒸發(fā)每噸水消耗0.3~035噸蒸汽，五效蒸發(fā)每噸水消耗0.24-0.3噸蒸汽。我們公司的多效蒸發(fā)系統(tǒng)，往往考慮回收冷凝水或二次蒸汽的熱量，來(lái)實(shí)現(xiàn)節(jié)能的目的。在廢水處理中，還要考慮預(yù)熱器結(jié)垢的自動(dòng)在線(xiàn)清洗。多效蒸發(fā)器可以采用強(qiáng)制循環(huán)、自然循環(huán)、降膜、升膜、板式蒸發(fā)器等多種形式，也可以采用多種組合的方式，來(lái)較優(yōu)化工藝。多效蒸發(fā)的流程:可以有順流、逆流、平流、錯(cuò)流等。


Multi-effect evaporators have been developed from primitive evaporation kettles to single-effect,double-effect, triple-effect, four-effect or more effect evaporators,all of which are aimed at gradually reducing energy consumption. The multi-effect evaporator is composed of a plurality of evaporators connected in series. The secondary steam produced by evaporation in the previous effect is used to provide heat source for the next effect,so as to achieve the purpose of energy saving.Multi-effect can recover part of secondary steamａnd the more effectsthe more secondary steam will be recovered, This is different from the fact that MVR evaporator can recover al the secondary steam. Generally speaking,three-effect evaporation consumes 0.37~0.46 tons of steam per ton of water.four-effect evaporation consumes 0.3~0.35 tons of steam per ton of water,ａnd five-effect evaporation consumes 0.24~0.3 tons of steam per ton of water. The multi-effect evaporation system of our company often considers recovering the heat of condensed water or secondarv steam to achieve the purpose of energy savingIn wastewater treatment,automatic on-line cleaning of preheater fouling shouldalso be considered. Multi-effect evaporators can adopt forced circulation.naturalcirculation.fallina film. rising film.plate evaporator and other forms, and can also adopt various combinations to optimize the process.


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