Mixed fouling characteristics of CaCO<sub>3</sub> and slime forming bacteria in plate heat exchanger

XU Zhiming; HU Chunyang; WANG Jingtao; LIU Zuodong

doi:10.11949/j.issn.0438-1157.20160878

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Mixed fouling characteristics of CaCO₃ and slime forming bacteria in plate heat exchanger

更新时间：2025-11-26

- Mixed fouling characteristics of CaCO₃ and slime forming bacteria in plate heat exchanger
- CIESC Journal Issue 1, Pages: 72-78(2017)
- 作者机构：
  
  东北电力大学能源与动力工程学院,吉林市,吉林省,132012
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160878
  CLC： K124
- Online First：05 January 2017，
  
  Published：05 January 2017
- 稿件说明：
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XU Zhiming, HU Chunyang, WANG Jingtao, et al. Mixed fouling characteristics of CaCO₃ and slime forming bacteria in plate heat exchanger[J]. CIESC Journal, 2017, (1): 72-78. DOI: 10.11949/j.issn.0438-1157.20160878.
DOI：

XU Zhiming, HU Chunyang, WANG Jingtao, et al. Mixed fouling characteristics of CaCO₃ and slime forming bacteria in plate heat exchanger[J]. CIESC Journal, 2017, (1): 72-78. DOI: 10.11949/j.issn.0438-1157.20160878. DOI：

摘要

为了探究黏液形成菌（SFB）与CaCO3混合污垢在板式换热器（PHEs）中的成垢规律，对不同浓度的CaCO3与黏液形成菌混合进行了实验研究。结果表明：混合污垢中，黏液形成菌微生物污垢占成垢的主要地位。微生物污垢的热阻渐近值最大，混合污垢的热阻渐近值介于微生物污垢的热阻渐近值和CaCO3污垢热阻渐近值之间，CaCO3污垢热阻渐近值最小。这不同于以往得到的混合污垢之间相互促进的结论，说明CaCO3对黏液形成菌存在抑制作用。维持其他条件不变，随着CaCO3浓度的增大，混合污垢热阻值随之减小。反之，随着黏液形成菌浓度的增大，混合污垢热阻值随之增大。

Abstract

An experimental study on the mixed fouling characteristics of CaCO3 and slime forming bacteria(SFB) in plate heat exchangers(PHEs) was carried out.The influence of concentration of CaCO3 and slime forming bacteria on the mixed fouling was investigated.CaCO3 had a inhibitory effect on slime forming bacteria

which was different from previous studies about mixed fouling.The results showed that the slime forming bacteria fouling played an important role in the mixed fouling.Under the same working conditions

the asymptotic thermal resistance of the mixed fouling was between the asymptotic thermal resistance of the slime forming bacteria fouling and CaCO3 fouling.With the increase of the concentration of CaCO3

the mixed fouling thermal resistance decreases.Conversely

with the increase of the concentration of slime forming bacteria

the mixed fouling thermal resistance increases.

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Mixed fouling characteristics of CaCO3 and slime forming bacteria in plate heat exchanger

DOI：10.11949/j.issn.0438-1157.20160878

摘要

Abstract

关键词

Keywords

references

Mixed fouling characteristics of CaCO₃ and slime forming bacteria in plate heat exchanger