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민혁기(Hyuk-Ki Min),김상범(Sang-Bum Kim),김병우(Byung-Woo Kim),김형기(Hyoung-Ki Kim),박률(Yool Park) 대한설비공학회 2016 설비공학 논문집 Vol.28 No.3
This study introduced deterioration evaluation item and criteria that could be applied to industrial facilities with the most widely used carbon steel pipe installed for ordinary piping (KSD 3507). Experimental industrial pipes were evaluated with pipe sectionalizing method combined with the established evaluation item and criteria to measure and manage semi-continuously for overall piping system. After applying outcomes from this study to a plant of incineration facility, a 42% saving in repairing and remodeling cost was achieved.
산업시설 배관 노후도 평가를 위한 배관 섹션화 방안 연구
민혁기(Hyuk-Ki Min),김상범(Sang-Bum Kim),김병우(Byung-Woo Kim),김형기(Hyoung-Ki Kim),박률(Yool Park) 대한설비공학회 2015 설비공학 논문집 Vol.27 No.2
In general, no particularly well-established standards have been in place so far, for the method of evaluating the deteriorated level of pipes and ducts of industrial facilities. For that reason, the evaluation depends upon various studies which are based on the analysis of the residual life, thickness thinning, closure rate, and scale thickness that measure a few specific positions of pipes. It also depends upon the expertise in business operation and the specific techniques conducted by the inspection companies and institutions. This research introduces the concept of measuring units per section and the selection method of measurement points per section. Furthermore, specific methodologies were developed to plan and analyze deterioration level of industrial pipes and ducts by engineers and managers using a section map. Consequently, applying the outcomes from this study to the plant equipment of the incineration facility resulted in saving 42% of the repairing and remodeling cost.
섹션화에 의한 산업시설 압연강재 원형덕트의 노후도 평가
민혁기(Min, Hyuk-Ki),김상범(Kim, Sang-Bum),김병우(Kim, Byung-Woo),김형기(Kim, Hyoung-Ki),박률(Park, Yool) 한국건축친환경설비학회 2015 한국건축친환경설비학회 논문집 Vol.9 No.3
Industrial facilities duct transports a variety of gas as well as air. And the deterioration of the industrial duct than that of typical building appears in a variety of characteristics as type and rate of corrosion according to the properties of the gas. Therefore, the period and method of the rehabilitation of industrial duct should be established in consideration of the properties and operating condition and to do this first it must be established the criteria of the duct deterioration evaluation in industrial facilities. However, there has been no particularly well-established standard as well as accumulated research results. This study introduces the deterioration evaluation item and criteria, which can be applied to industrial facilities installed circular duct of rolled steels for general structure(KSD 3503) material, and evaluate the experimental industrial duct by the pipe sectionalizing method, which can be used to measure and manage semi-continuously for overall pipe and duct system, combined with the established the evaluation item and criteria. Applying outcomes from this study to the plant of incineration facility, it is resulted in saving 15% of the repairing and remodeling cost.