Failure analysis of waste heat boiler tubing caused by a high local heat flux

Suwarno, Suwarno; I'jazurrohman, Abdul Jabar; Yudanto, Fajar Dwi; Djanali, Vivien Suphandani

doi:10.1016/j.engfailanal.2022.106147

Cited by 10 publications

(3 citation statements)

References 23 publications

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“…It is important to note that due to the conditions in which waste heat boilers are commonly used (flue gas containing acidic compounds, etc. ), in many cases, they tend to fail-or at least require frequent servicing-because of corrosion [23], erosion, or a combination of both [115]. Recuperative heat exchangers are, according to Jouhara et al [103], most commonly used for medium-and high-temperature waste heat recovery.…”

Section: Waste Heat Boilersmentioning

confidence: 99%

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Industrial Waste Heat Utilization in the European Union—An Engineering-Centric Review

Turek,

Kilkovský,

Daxner

et al. 2024

Energies

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The efficient utilization of waste heat from industrial processes can provide a significant source of energy savings for production plants, as well as be a driver of sustainable operations and the abatement of emissions. Industrial waste heat usually is contained in liquid or gaseous outlet streams. Although the possible ways to utilize waste heat are discussed in a wide variety of papers, these either provide only a general overview of utilization options and opportunities or focus on a narrow range of industrial processes. The aim of the present paper is to discuss the practical aspects of waste heat utilization in the European Union so that the reader can gain perspective on (i) the thermal classification of waste heat, (ii) liquid and gaseous waste streams and their typical temperatures for industrial use cases, (iii) the technical, economic, physical, and environmental aspects barring full utilization of the available waste heat, (iv) waste heat sources in various industries, and (v) standardized equipment and technologies applicable to industrial waste heat utilization, including their advantages, disadvantages, and weak points.

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Section: Waste Heat Boilersmentioning

confidence: 99%

Section: Waste Heat Boilersmentioning

confidence: 99%

Industrial Waste Heat Utilization in the European Union—An Engineering-Centric Review

Turek,

Kilkovský,

Daxner

et al. 2024

Energies

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“…The weld corrosion failure is usually provoked by the potential difference between various materials after the liquid film covers the weld. In general, galvanic corrosion between two metals occurs when the potential difference (ΔE) is greater than 50 mV and becomes severe at ΔE > 250 mV [ 7 , 8 , 9 , 10 , 11 , 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Multi-Factor Stress Corrosion Cracking Failure of Safe-End Feedwater Lines of Submarine Power System

Ji,

Zheng,

Qin

et al. 2024

Materials

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The corrosion process under the complex safe-end feedwater line conditions was investigated via experimental lab testing and numerical simulation. The corrosion of safe-end feedwater lines was controlled through the combination of galvanic corrosion, residual stress, and flow velocity. Firstly, galvanic corrosion occurred once the 20 steel was welded with 316L stainless steel. The pitting corrosion could be observed on the 20 steel side of the weld joint. Secondly, a vortex flow was detected around the welding bump and within the pits. The growth of the pits was accelerated in both the vertical and horizontal directions. Finally, under the residual stress condition, the stress intensity factor (K) at the bottom of the pits was easier to reach than the critical stress intensity factor (KISCC). Then, pitting was transformed into stress corrosion cracking which then propagated along the weld line. Therefore, the critical factor inducing the failure of safe-end feedwater lines was the combined action of galvanic corrosion, residual stress, and flow velocity.

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