Heat transfer and mass transfer calculation of fouling during sub-cooled flow boiling in oilfield sewage evaporator

GAI Zheng; LIN Riyi; LIU Xiaojie; LI Wei; WANG Xinwei; SONG Duopei

doi:10.3969/j.issn.0438-1157.2013.z1.006

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Heat transfer and mass transfer calculation of fouling during sub-cooled flow boiling in oilfield sewage evaporator

更新时间：2025-12-10

- Heat transfer and mass transfer calculation of fouling during sub-cooled flow boiling in oilfield sewage evaporator
- CIESC Journal Issue S1, Pages: 41-45(2013)
- 作者机构：
  
  1. 中国石油大学储运与建筑工程学院,山东,青岛,266580
  2. 中国石油工程设计有限公司北京分公司,北京,100085
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2013.z1.006
  CLC： Q026
- Online First：30 December 2013，
  
  Published：30 December 2013
- 稿件说明：
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GAI Zheng, LIN Riyi, LIU Xiaojie, et al. Heat transfer and mass transfer calculation of fouling during sub-cooled flow boiling in oilfield sewage evaporator[J]. CIESC Journal, 2013, (S1): 41-45.
DOI：

GAI Zheng, LIN Riyi, LIU Xiaojie, et al. Heat transfer and mass transfer calculation of fouling during sub-cooled flow boiling in oilfield sewage evaporator[J]. CIESC Journal, 2013, (S1): 41-45. DOI： 10.3969/j.issn.0438-1157.2013.z1.006.

摘要

蒸发器是一种根据热法脱盐原理，利用稠油热采地面系统废热驱动，实现污水脱盐软化，进而回用锅炉实现水资源循环利用的装置。但是，由于油田污水水质的特殊性，使得其极易在蒸发器表面发生结垢行为。通过对污水水质分析，得出其结垢类型主要为碳酸钙垢。建立了碳酸钙垢在强制对流传热和过冷流动沸腾情况下于换热表面结垢的传热传质模型，计算了污水在蒸发过程中析晶污垢形成的数量，得出了与实验数据符合较好的计算模型。对稠油污水在蒸发器中的结垢情况可以进行较好的预测，并对安全生产和设备高效利用有一定参考价值。

Abstract

According to the principle of thermal desalting

evaporator achieve the recycling of the oilfield sewage and waste heat at oilfield ground. It reduced the consumption of heat and water of steam-injection boiler in heavy reservoir thermal recovery production. However

as the bad wastewater quality of oil field

fouling is easily to form in the evaporator. In this paper

water quality and fouling trend of oilfield sewage is analysed

then the heat transfer and mass transfer model of fouling process in heat exchange surface are described during sub-cooled flow boiling and convective heat transfer. At last the crystallization fouling quantity and fouling resistances of wastewater are achieved similar to the experimental results during evaporation process. It disclosed the fouling process of oilfield sewage and also important to make sure the safety of oil field water and heat recycling process.

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