[논문]Hazard Analysis and Risk Assessments for Industrial Processes Using FMEA and Bow-Tie Methodologies

Afefy, Islam H.

doi:10.7232/iems.2015.14.4.379

Hazard Analysis and Risk Assessments for Industrial Processes Using FMEA and Bow-Tie Methodologies 원문보기

Industrial engineering & management systems : an international journal, v.14 no.4, 2015년, pp.379 - 391

Afefy, Islam H. (Industrial Engineering Department, Faculty of Engineering, Fayoum University)

Abstract ▼ AI-Helper

Several risk assessment techniques have been presented and investigated in previous research, focusing mainly on the failure mode and effect analysis (FMEA). FMEA can be employed to determine where failures can occur within industrial systems and to assess the impact of such failures. This research proposes a novel methodology for hazard analysis and risk assessments that integrates FMEA with the bow-tie model. The proposed method has been applied and evaluated in a real industrial process, illustrating the effectiveness of the proposed method. Specifically, the bowtie diagram of the critical equipment in the adopted plant in the case study was built. Safety critical barriers are identified and each of these is assigned to industrial process with an individual responsible. The detection rating to the failure mode and the values of risk priority number (RPN) are calculated. The analysis shows the high values of RPN are 500 and 490 in this process. A global corrective actions are suggested to improve the RPN measure. Further managerial insights have been provided.

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It is used for risk assessment, risk management and risk communication. This methodology is designed to give a better overview of the situation in which certain risks. In addition, bow-tie methodology helps people understand the relationship between the risks and organizational events.

제안 방법

From this figure, the values in red and brown are considered critical. The subsystem on each zone found to have RPN highest value were studied further to minimize the S, reduce the O of the failure mode, and improve the D. Based on these results, the main consequence of the corrective action should be applied in critical equipment for factory.
In this paper, the FMEA and bow-tie methodology areapplied to a particular type of accident in the anhydrous Sodium Sulphate factory, The critical equipment in factoryconsists of (melter, boiler, crystallizer, thickener, evaporators, packing machines, centrifugal pump, plate heat exchanger and screw pumps). This equipment was selected based on analysis of historical data of the factory and interviews with key personnel involved in the safety, maintenance and operation.
From all the above, it is apparent that bow-tie methodology represents a step forward in the current state of the art concerning the management of risks, including those associated with occupational safety. This is the context in which the authors equated the use of the qualitative bow-tie diagram in combination with a matrix approach, based on accident statistics of the activity under analysis. To demonstrate the proposed methodology for hazard and risk assessments analyses, this paper describes an application case in a large industrial scale, called Emisal company which located in Fayoum city, Egypt, whose main activity is to produce anhydrous Sodium Sulphate and Sodium Chloride refined salt), Magnesium sulphate Heptahydrate (Epsom salt), Sodium chloride Pure.
This paper has introduced a new methodology that integrates FMEA and bow-tie, presenting the proper way for application in process industry. This paper has thus described an application case in a large industrial scale, called Emisal company which located in Fayoum city, Egypt.

참고문헌 (16)

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Hazard Analysis and Risk Assessments for Industrial Processes Using FMEA and Bow-Tie Methodologies 원문보기

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Hazard Analysis and Risk Assessments for Industrial Processes Using FMEA and Bow-Tie Methodologies 원문보기

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