产品详情
MVR-FF<\/span>降膜蒸发器<\/span><\/h2> 工作原理<\/span><\/span><\/b><\/p> 选用降膜形式蒸发器作为主蒸发单元,<\/span>以蒸发浓缩为操作目的。蒸发过程中稀物料从蒸发器顶部加入，经液体分布装置均匀分布到各换热管内，被壳程蒸汽加热至沸腾汽化，物料凭借重力和下行二次汽的带动作用沿换热管内壁呈膜状流下。在下流过程中，产生的二次蒸汽与浓缩液共同进入蒸发室进行气液分离，浓缩液连续排离系统。分离后的二次蒸汽进入压缩机，经压缩后二次蒸汽品位提升，被作为热源送入蒸发器壳程。壳程蒸汽放热后冷凝为水排离系统。<\/span><\/span><\/p> 产品特点<\/span><\/span><\/b><\/p> v <\/span><\/span><\/span>膜状流动的换热过程，传热系数显著高于满管流蒸发器。<\/span><\/span><\/p> v <\/span><\/span><\/span>温差损失小，在小温差下仍能保证较高的传热系数，所需压缩机压比更小。<\/span><\/span><\/p> v <\/span><\/span><\/span>降膜蒸发器的开车、停车、操作简单快捷，温度响应灵敏。<\/span><\/span><\/p> v <\/span><\/span><\/span>蒸发器内的滞留物料量非常小，开车时间短，停车后可迅速将蒸发器内的物料排空。<\/span><\/span><\/p> v <\/span><\/span><\/span>物料被加热时间短，可保证热敏性物料的优良品质。<\/span><\/span><\/p> 应用范围<\/span><\/span><\/b><\/p> v <\/span><\/span><\/span>用于低到高蒸发量的浓缩场合。<\/span><\/span><\/p> v <\/span><\/span><\/span>用于蒸发过程无固相产生或很少量固相的蒸发浓缩过程。<\/span><\/span><\/p> v <\/span><\/span><\/span>石化、制药、果汁、饮料、乳品无固相浓缩。<\/span><\/span><\/p> v <\/span><\/span><\/span>蒸发结晶工艺无固相预浓缩。<\/span><\/span><\/p> v <\/span><\/span><\/span>含盐废水零排放的前期预浓缩。<\/span><\/p>
<\/span><\/p> 文章来源：河北诺达化工设备有限公司<\/span><\/p> 公司网址：www.ndhgsb.com<\/span><\/p> www.hbndzb.com<\/span><\/p> 咨询电话：0311-85850678<\/span><\/p> 企业邮箱：ndhgsb@163.com
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选用降膜形式蒸发器作为主蒸发单元,<\/span>以蒸发浓缩为操作目的。蒸发过程中稀物料从蒸发器顶部加入，经液体分布装置均匀分布到各换热管内，被壳程蒸汽加热至沸腾汽化，物料凭借重力和下行二次汽的带动作用沿换热管内壁呈膜状流下。在下流过程中，产生的二次蒸汽与浓缩液共同进入蒸发室进行气液分离，浓缩液连续排离系统。分离后的二次蒸汽进入压缩机，经压缩后二次蒸汽品位提升，被作为热源送入蒸发器壳程。壳程蒸汽放热后冷凝为水排离系统。<\/span><\/span><\/p> 产品特点<\/span><\/span><\/b><\/p> v <\/span><\/span><\/span>膜状流动的换热过程，传热系数显著高于满管流蒸发器。<\/span><\/span><\/p> v <\/span><\/span><\/span>温差损失小，在小温差下仍能保证较高的传热系数，所需压缩机压比更小。<\/span><\/span><\/p> v <\/span><\/span><\/span>降膜蒸发器的开车、停车、操作简单快捷，温度响应灵敏。<\/span><\/span><\/p> v <\/span><\/span><\/span>蒸发器内的滞留物料量非常小，开车时间短，停车后可迅速将蒸发器内的物料排空。<\/span><\/span><\/p> v <\/span><\/span><\/span>物料被加热时间短，可保证热敏性物料的优良品质。<\/span><\/span><\/p> 应用范围<\/span><\/span><\/b><\/p> v <\/span><\/span><\/span>用于低到高蒸发量的浓缩场合。<\/span><\/span><\/p> v <\/span><\/span><\/span>用于蒸发过程无固相产生或很少量固相的蒸发浓缩过程。<\/span><\/span><\/p> v <\/span><\/span><\/span>石化、制药、果汁、饮料、乳品无固相浓缩。<\/span><\/span><\/p> v <\/span><\/span><\/span>蒸发结晶工艺无固相预浓缩。<\/span><\/span><\/p> v <\/span><\/span><\/span>含盐废水零排放的前期预浓缩。<\/span><\/p> 文章来源：河北诺达化工设备有限公司<\/span><\/p> 公司网址：www.ndhgsb.com<\/span><\/p> www.hbndzb.com<\/span><\/p> 咨询电话：0311-85850678<\/span><\/p> 企业邮箱：ndhgsb@163.com
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