Leakages and Scaling in Stainless Steel Heat Exchangers Rules of Selection Chemical Bath for Scale Removal Part I
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Submitted Jul 9, 2019
Published Aug 8, 2019
Published Aug 8, 2019
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The purpose of the article is to explain causes of non-corrosive and corrosive leaks in heat exchangers (HE) during standard exploitation as well as to present prevention measures to eliminate dangerous clogging by scaling and corrosion. The heat exchangers are made of Cr-Ni austenitic steels, belonging to the group of steels resistant to corrosion, called commonly stainless steels. The author of the article has over 40 years of practical experience in the areas of water treatment, corrosion and leaks prevention, as well as heat exchangers chemical cleaning. This part of the article focuses on various cases of heat exchanger leakages, while part two is a compendium on correct selection of technologies and chemicals for removal of scales from polluted heat exchangers. One will not find in the paper neither HE producer name nor industrial chemical cleaning formulas. The present paper describes reasons of leakages, examples of stainless steel HE corrosion and general characteristic of scales within HE.
Keywords: Chemical Cleaning Heat Exchangers, Heat Exchangers - Leaks, Pitting Corrosion, Scale Deposits
References
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I.T. Vargas, D.T. Fischer and Others, Copper Corrosion and Biocorrosion Events in Premise Plumbing, Materials (Basel), No 10(9), 2017.
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J.M. Coyne, Flow induced failures of copper drinking water tube, Virginia Polytechnic Institute and State University, Blacksburg VA, 2009.
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How to Cite
[1]
Marjanowski, J. 2019. Leakages and Scaling in Stainless Steel Heat Exchangers. European Journal of Engineering and Technology Research. 4, 8 (Aug. 2019), 4-10. DOI:https://doi.org/10.24018/ejers.2019.4.8.1424.
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