Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective
With the broad application of dry dedusting of blast furnace gas (BFG), the issue of BFG pipeline corrosion comes up because of chlorine in the BFG. Existing methods in preventing the corrosion, such as spraying alkali or installing corrosion-resistant materials, require a significant amount of inve...
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| Format: | Article |
| Language: | English |
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University of Belgrade, Technical Faculty, Bor
2019-01-01
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| Series: | Journal of Mining and Metallurgy. Section B: Metallurgy |
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| Online Access: | http://www.doiserbia.nb.rs/img/doi/1450-5339/2019/1450-53391900028S.pdf |
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| author | Sun W.-Q. Xu X.-D. Zhang Y. Wu J.-Z. |
| author_facet | Sun W.-Q. Xu X.-D. Zhang Y. Wu J.-Z. |
| author_sort | Sun W.-Q. |
| collection | DOAJ |
| description | With the broad application of dry dedusting of blast furnace gas (BFG), the issue of BFG pipeline corrosion comes up because of chlorine in the BFG. Existing methods in preventing the corrosion, such as spraying alkali or installing corrosion-resistant materials, require a significant amount of investment. This paper conducted a novel thermal analysis of the corrosion mechanism to support the study on corrosion prevention without using additional materials. Firstly, thermal models were established to reflect the relationships among the amount of condensation water, the mass transfer rate, the concentration of chloride ion and the ambient temperature. Secondly, the relationship between BFG temperature and the corrosion rate was obtained via a cyclic exposure experiment. Key factors that affect the pipeline corrosion under various BFG temperatures were identified. Finally, a control scheme of the BFG temperature was proposed to avoid the chlorine corrosion. |
| format | Article |
| id | doaj-art-23c0628a299f4449ad50f0131be9ed62 |
| institution | Kabale University |
| issn | 1450-5339 2217-7175 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | University of Belgrade, Technical Faculty, Bor |
| record_format | Article |
| series | Journal of Mining and Metallurgy. Section B: Metallurgy |
| spelling | doaj-art-23c0628a299f4449ad50f0131be9ed622025-02-02T21:41:37ZengUniversity of Belgrade, Technical Faculty, BorJournal of Mining and Metallurgy. Section B: Metallurgy1450-53392217-71752019-01-0155219720810.2298/JMMB181016028S1450-53391900028SChlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspectiveSun W.-Q.0Xu X.-D.1Zhang Y.2Wu J.-Z.3Department of Thermal Engineering, School of Metallurgy, Northeastern University, Shenyang, Liaoning, China + School of Engineering, Cardiff University, Cardiff CF AA, Wales, United Kingdom + State Environmental Protection Key Laboratory of Eco-Industry, School of Engineering, Cardiff University, Cardiff CF AA, Wales, United KingdomR&D Centre, Hisense Group Co., Ltd., Qingdao, Shandong, ChinaSchool of Engineering, Cardiff University, Cardiff CF AA, Wales, United KingdomWith the broad application of dry dedusting of blast furnace gas (BFG), the issue of BFG pipeline corrosion comes up because of chlorine in the BFG. Existing methods in preventing the corrosion, such as spraying alkali or installing corrosion-resistant materials, require a significant amount of investment. This paper conducted a novel thermal analysis of the corrosion mechanism to support the study on corrosion prevention without using additional materials. Firstly, thermal models were established to reflect the relationships among the amount of condensation water, the mass transfer rate, the concentration of chloride ion and the ambient temperature. Secondly, the relationship between BFG temperature and the corrosion rate was obtained via a cyclic exposure experiment. Key factors that affect the pipeline corrosion under various BFG temperatures were identified. Finally, a control scheme of the BFG temperature was proposed to avoid the chlorine corrosion.http://www.doiserbia.nb.rs/img/doi/1450-5339/2019/1450-53391900028S.pdfchlorine corrosionblast furnace gas pipelinedry dedustingthermal analysiscyclic exposure test |
| spellingShingle | Sun W.-Q. Xu X.-D. Zhang Y. Wu J.-Z. Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective Journal of Mining and Metallurgy. Section B: Metallurgy chlorine corrosion blast furnace gas pipeline dry dedusting thermal analysis cyclic exposure test |
| title | Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective |
| title_full | Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective |
| title_fullStr | Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective |
| title_full_unstemmed | Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective |
| title_short | Chlorine corrosion of blast furnace gas pipelines: Analysis from thermal perspective |
| title_sort | chlorine corrosion of blast furnace gas pipelines analysis from thermal perspective |
| topic | chlorine corrosion blast furnace gas pipeline dry dedusting thermal analysis cyclic exposure test |
| url | http://www.doiserbia.nb.rs/img/doi/1450-5339/2019/1450-53391900028S.pdf |
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