Appropriate modification measures have been taken to deal with scale formation in heating tube of the tube falling-film evaporator for carbon seed pregnant liquor evaporation in sintering process.

针对用于烧结法碳分母液蒸发的管式降膜蒸发器加热管结垢形成的原因，采取了相应的改进措施。

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The structure of the multilayer sprinkling tray distributors for the large-type vertical tube -type falling - film evaporator is introduced in this paper.

对小型竖管降膜蒸发器和大型竖管降膜蒸发器内液体分布器的型式、特点和应用作了介绍，分析了液体分布器的研究现状。

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