| 1. | Energy saving design of falling film evaporators 降膜蒸发器的节能设计 |
| 2. | Method for avoiding burned black of heat sensitive content in film evaporator 防止热敏性物料在降膜蒸发器中结焦的方法 |
| 3. | The theoretical analysis and experimental studies of the wavy wall tube evaporator are carried out in this paper 本文对波形管降膜蒸发器进行理论分析以及实验研究。 |
| 4. | Determination and calculation method of heat balance of special equipments for alumina production - part 10 : plate falling - film evaporator system 氧化铝生产专用设备.热平衡测定与计算方法.第10部分:板式降膜蒸发器系统 |
| 5. | The heat transfer performance of the umbrella - plate falling film evaporator was studied , water and concentration of 5 % - 40 % potash was used as medium in this paper 本文以水和5 40的碳酸钾溶液为工作介质,对伞板式降膜蒸发器的传热性能进行了实验研究。 |
| 6. | The study shows that the theoretical models are in good agreement with the experimental results . the correlations mentioned above can facilitate the engineering design 研究表明,本文理论模型较好的预计了实验结果,得到的波形管降膜蒸发器传热分系数的准数关联式可以为工程设计提供参考依据。 |
| 7. | The wavy wall tube evaporator is a novel falling film evaporator which is improved on the vertical tube falling film evaporator , the main difference between them is using a wavy wall tube heating element to replace the vertical tube heating element 波形管降膜蒸发器是在直管式降膜蒸发器的基础上发展起来的一种新式降膜蒸发器,与直管式降膜蒸发器的最大不同之处在于采用波形管加热元件替代传统的直管加热元件。 |
| 8. | By theoretical analysis and experimental investigation to the exasperate position of the heat transfer in the umbrella - plate falling film evaporator , the exasperate experimental formula of the heat transfer was obtained . with the same reynolds , the high - point heat flux density of umbrella - plate evaporator is higher than vertical - plate evaporator could be observed from above formula , which maked out that with little reynolds liquid film was not easy to break 在实验条件下得出了伞板式降膜蒸发器小流量下液膜破裂的实验关联式,此关联式表明极限热通量随临界雷诺数增大而增大,在相同的临界雷诺数下,伞板蒸发器的极限热通量大于直板形蒸发器的极限热通量。 |
| 9. | In the present work , the causing of high noise of multi - effect falling film evaporator was introduced in detail . based on the result of modern test technology , the relationship of noise and work presser was received . ground on the method of superposition , the noise of raw material pump was separated from the mixed noise and gets the true noise of steam - jet - ejector 本文对三效降膜蒸发器设备工作时,噪声产生的机理进行了理论分析与研究,利用现代声学测试技术手段进行测试与分析,得出三效降膜蒸发器设备的整体噪声随热压泵工作压力增大而增大的关系,利用噪声叠加原理,将三效降膜蒸发器设备的物料泵噪声作为背景噪声,计算得出三效降膜蒸发器设备的热压泵真实噪声,因而得出热压泵噪声亦随其工作压力增大而增大的关系。 |
| 10. | The influence of difference in temperature , reynolds number of film and prandtl number to the heat transfer performance on the evaporation side was discussed via the uniform wall temperature experiments . by analyzing above influence factors , the character of umbrella - plate evaporator which is fit for evaporation under little difference in temperature and fit for evaporating heat sensitivity materiel could be obtained 通过恒壁温实验探讨了传热温差、液膜雷诺数、普朗特数这些主要因素对伞板式降膜蒸发器传热性能的影响,通过对以上影响因素的分析,得出了此种结构的蒸发器特别适用于小温差情况下的蒸发,而且特别适用于热敏性物料的蒸发等特性。 |