Reducing Energy Losses of Steam Boilers Caused by Blowdown with Using the FMEA Method

Kocabaş, Ceyda; Savaş, Ahmet Fevzi

doi:10.1080/23080477.2021.1898794

Cited by 8 publications

(5 citation statements)

References 14 publications

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“…Recycling blowdown water is often considered a waste of money since it will require imported foreign components, which is a stereotype. Studies confirm that blowdown water recycling not only helps to save natural resources but also improves the economic performance of boiler operations [66,67]. Factories often cannot recycle the blowdown water due to the absence of water treatment facilities.…”

Section: Plos Onementioning

confidence: 97%

“…In order to improve thermal efficiency and decrease the amount of dissolved particles in the boiler water, blowdown is an essential stage in boiler operation. However, a blowdown results in the loss of thermal energy and water [66,67]. Moreover, releasing boiler water directly into the environment can cause chemical toxicity, which can be hazardous to the ecosystem [68].…”

Section: Plos Onementioning

confidence: 99%

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Evaluating barriers to sustainable boiler operation in the apparel manufacturing industry: Implications for mitigating operational hazards in the emerging economies

et al. 2023

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The efficiency with which conventional boilers perform, in terms of sustainability, is affected by a variety of factors. Unsustainable boiler operating practices are still surprisingly frequent in developing countries, resulting in environmental liabilities and catastrophic accidents. It is a serious problem in developing countries like Bangladesh, where boilers are utilized extensively in the apparel manufacturing sector. However, no research has yet examined the challenges or barriers associated with sustainable boiler operation in the apparel manufacturing sector. This study, thereby, utilizes an integrated MCDM approach, combining the fuzzy theory and the decision-making trial and evaluation laboratory (DEMATEL) method, to identify, prioritize, and explore the relations among the barriers to sustainable boiler operation in the apparel manufacturing industry, from an emerging economy perspective. The barriers were initially identified from the literature and a visual survey of 127 factories. After expert validation, thirteen barriers were finally selected to be analyzed utilizing the fuzzy DEMATEL method. The study findings revealed that ’Absence of water treatment facilities’, ’Fossil fuel burning and GHG emissions’, and ’Excessive consumption of groundwater’ are the three most prominent barriers to sustainable boiler operation. The cause-effect relations among the barriers suggest that ’Inadequate compliance with safety and hazard regulations’ is the most influential and ’Fossil fuel burning and GHG emissions’ is the most influenced barrier. This study is expected to guide the managers and policymakers of the apparel manufacturing sector in successfully overcoming the barriers to sustainable boiler operation, thus mitigating the operational hazards and achieving the sustainable development goals (SDGs).

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Section: Plos Onementioning

confidence: 97%

Section: Plos Onementioning

confidence: 99%

Evaluating barriers to sustainable boiler operation in the apparel manufacturing industry: Implications for mitigating operational hazards in the emerging economies

et al. 2023

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“…1 was created as a rating table. In this table, occurrence, severity, and detection indicators were scored between 1 (Best) and 10 (Worst) [24].…”

Section: Risk Priority Number (Rpn) = Occurrence X Severity X Detectionmentioning

confidence: 99%

“…The "Detectable" value represents a measure of the success of detecting the energy loss failure. The failure detection value will be "1" for easily noticed and "10" for undetectable risk [24].…”

Section: Risk Priority Number (Rpn) = Occurrence X Severity X Detectionmentioning

confidence: 99%

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Reducing deaerator-related energy losses in steam boilers

Savaş

Kocabaş

2023

Therm sci

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Improving energy efficiency helps to achieve a more reliable energy supply and a sustainable environment. In the current study, some observations were made in a textile factory to improve the energy efficiency of the industrial steam boiler. Deaerator is one of the main points of energy loss in the boiler. It is possible to reduce energy loss in the deaerator by using today's scientific and technological possibilities. The Failure Mode and Effects Analysis (FMEA) method was used in determining and ranking the factors causing energy loss in the deaerator. Some improvements were suggested based on the data of the FMEA study. The amount of energy loss in the deaerator was calculated by establishing mass and energy balances both in the current situation and after the improvements. As a result, when suggestions were applied, the energy loss in the deaerator, which was 373.6 kW before, could be reduced to 40.4 kW. Also, the net steam production capacity of the steam system will increase by approximately 9%. The payback period of the proposed investments was calculated as 2.8 months by performing the economic analysis. The study outcomes revealed that the FMEA technique, which is used as a risk analysis and failure prevention method within the scope of process improvement studies, can also be used to increase boiler energy efficiency.

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The recovery of blowdown heat using steam dryer in biomass power plant

Chantasiriwan

2023

Energy

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Reducing Energy Losses of Steam Boilers Caused by Blowdown with Using the FMEA Method

Cited by 8 publications

References 14 publications

Evaluating barriers to sustainable boiler operation in the apparel manufacturing industry: Implications for mitigating operational hazards in the emerging economies

Evaluating barriers to sustainable boiler operation in the apparel manufacturing industry: Implications for mitigating operational hazards in the emerging economies

Reducing deaerator-related energy losses in steam boilers

The recovery of blowdown heat using steam dryer in biomass power plant

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