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칠수황산지 생산공艺程

2020-02-13View Original

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칠수황산지 생산공艺程 温度℃溶解度g/ 1艺程1.6 47.7 53.8 61.3 75.5 73.2 765.4 73.2 75.4 53.2 15.1 65.3 6在搪瓷板反应釜中加入结晶工段的母液(硫酸锌稀溶液),在搅拌下加入氧化锌(或者含锌矿、锌灰、含锌渣),调成浆状,然后加入硫酸,随着硫酸加入反应釜内温度会慢慢上升。反应釜适合浓度和酸碱度,反应后调整pH和适合的温度,经过过滤设备过滤掉杂质后进入原料罐,然后进入蒸发结晶设备(三效蒸发器或MVR蒸发)浓缩至饱和状态,然后排出系统,回兑母液或晶种,降温至30 度左右,离心脱水。产品为七水硫酸锌。河北芸豪老张 15程1583776988

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