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제출문
목차
Abstract 11
요약[내용없음] 3
Ⅰ. 서론 13
Ⅱ. 연구내용 및 방법 16
1. 연구의 배경 16
가. 검지에 대한 개념 정의 16
나. 검지·경보설비 설치에 관한 법적 규정 17
다. 이슈 및 문제점 19
2. 연구 목표 20
3. 연구 내용 및 방법 21
가. 연구 방법 및 활동 21
나. 단계별 연구 수행 내용 24
Ⅲ. 연구결과 및 고찰 121
1. 연구결과 121
(가) 검지·경보설비 설치기준 변경 전/변경 후 비교 121
(나) 검지·경보설비 "종류" 선정 기준 가이드 라인 122
(다) 검지·경보설비 "위치, 개수" 선정 기준 가이드 라인 123
2. 연구한계 125
Ⅳ. 결론 126
Ⅴ. 참고 : 액체 풀-증발 체적 비교를 위한 e-CA 프로그램 사용방법 127
참고문헌 135
〈Table 1〉 Classification of hazardous chemical substance by properties 52
〈Table 2〉 Chemical accident case analysis result(National Institute of Chemical Safety) 53
〈Table 3〉 Major chemical accident substances 54
〈Table 4〉 Chemical exposure 55
〈Table 5〉 Comparison before and after LDAR application 69
〈Table 6〉 Summary of Comparison of Experimental, Calculations and Modeling Results 77
〈Table 7〉 Weather information corresponding to the worst-case scenario and alternative scenarios 128
〈Figure 1〉 Layers of Protection Analysis(LOPA) 13
〈Figure 2〉 The need to implement a prompt response through rapid detection after leak and leakage 14
〈Figure 3〉 Definition of Accident Occurrence 16
〈Figure 4〉 Notification on installation and management of facilities for manufacturing and using hazardous chemicals 17
〈Figure 5〉 Legal basis for installation of storage facility detection and alarm system 18
〈Figure 6〉 Legal basis for installation of keeping facility detection and alarm facilities 18
〈Figure 7〉 Issues and problems with the installation standards for detection and alarm facilities 19
〈Figure 8〉 Research objective 20
〈Figure 9〉 How to promote research 21
〈Figure 10〉 Progress of the research plan 22
〈Figure 11〉 Research performance and promotion activities 23
〈Figure 12〉 Establishment of detailed promotion plan 24
〈Figure 13〉 Promotion plan for identification of domestic and international installation standards 25
〈Figure 14〉 Legal basis for installation of detection and alarm facilities 26
〈Figure 15〉 Notice on installation and management of manufacturing and use facilities 26
〈Figure 16〉 Legal basis for installation of storage facility detection and alarm system 27
〈Figure 17〉 Legal basis for installation of keeping facility detection and alarm facilities 27
〈Figure 18〉 Occupational Safety And Health Act_Kosha Guide P-166-2020 29
〈Figure 19〉 High-pressure Gas Safety Control Act_KGS FP112 31
〈Figure 20〉 Change of laws and regulations on detection and alarm facility installation standards 32
〈Figure 21〉 Comparison of foreign detection and alarm facility installation standards 33
〈Figure 22〉 BS 60080:2020 summary 38
〈Figure 23〉 BS 60080:2020 contents 39
〈Figure 24〉 High Pressure Gas Safety Act(Japan) example 40
〈Figure 25〉 Promotion plan for difficulties related to the installation of detection and alarm facility 41
〈Figure 26〉 Specificity of chemical handling facility and space 41
〈Figure 27〉 Civil complaint analysis 43
〈Figure 28〉 On-site visits and civil complaints(1) 44
〈Figure 29〉 On-site visits and civil complaints(2) 45
〈Figure 30〉 Hearing opinions from Chemical Safety Policy Network(1) 46
〈Figure 31〉 Hearing opinions from Chemical Safety Policy Network(2) 47
〈Figure 32〉 Hearing opinions from Chemical Safety Policy Network(3) 47
〈Figure 33〉 Hearing opinions from Chemical Safety Policy Network(4) 48
〈Figure 34〉 Hearing opinions from Chemical Safety Policy Network(5) 49
〈Figure 35〉 Summary of issues 50
〈Figure 36〉 Promotion plan for effectiveness review of leak detector 51
〈Figure 37〉 Classification of the properties of hazardous chemical substances 52
〈Figure 38〉 Properties of hazardous chemical substance that occur in accidents 53
〈Figure 39〉 Chemical accident case analysis(National Institute of Chemical Safety 56
〈Figure 40〉 Accidents in which a detector was mentioned among the leak incidents 56
〈Figure 41〉 Chemical accident case analysis(Korea Occupational Safety Health Agency) 57
〈Figure 42〉 Chemical accident case analysis(Major Accident Reporting System) 58
〈Figure 43〉 Chemical accident case analysis summary 58
〈Figure 44〉 Comparison of the number of accidents by substance 59
〈Figure 45〉 Comparison of the number of accidents by properties 60
〈Figure 46〉 Leak detector effectiveness review 61
〈Figure 47〉 Effectiveness review of leak detector considering the properties of handling substance 62
〈Figure 48〉 Case where the liquid diffusion rate is faster than the gas diffusion rate 62
〈Figure 49〉 Simulation results and conclusions 63
〈Figure 50〉 Promotion plan for Research on technologies other than detectors 64
〈Figure 51〉 Example of pH-meter and level gauge 65
〈Figure 52〉 Acceptance Criteria for Substituting a pH-meter 66
〈Figure 53〉 Examples of how to use LDAR other than leak detectors 66
〈Figure 54〉 Chemicals subject to LDAR 68
〈Figure 55〉 Substances subject to LDAR management by industry 68
〈Figure 56〉 Example of chemical composition table 69
〈Figure 57〉 Promotion plan for detector placement optimization 70
〈Figure 58〉 Experimental design 3D model example 71
〈Figure 59〉 Empirical experiment result table 72
〈Figure 60〉 Progress of the empirical experiment 76
〈Figure 61〉 Use of empirical experiment results 76
〈Figure 62〉 Example of comparison method of experiment result values 78
〈Figure 63〉 Conclusion of empirical experiments 79
〈Figure 64〉 Examples of undetectable situations depending on the location of the detector 81
〈Figure 65〉 Promotion plan for Rationalization of detector location and legal separation distance 82
〈Figure 66〉 Leak detector type selection logic tree 83
〈Figure 67〉 Recommended material for gas detector installation according to leak-reverse time comparison method 84
〈Figure 68〉 Selection method of detector types according to time criteria 84
〈Figure 69〉 Selection method of detector types according to distance criteria 85
〈Figure 70〉 Detector setpoints for both toxic and flammable chemicals 86
〈Figure 71〉 Examples of undetectable chemicals 87
〈Figure 72〉 Detector installation location/number selection logic tree 89
〈Figure 73〉 Example of leakage distance and time in case of leakage of the immediate report standard amount 90
〈Figure 74〉 Detector installation methodology for a group of facilities 91
〈Figure 75〉 Logic tree according to the presence or absence of a Dikes 92
〈Figure 76〉 Example of leak distance and time for a reference amount using PHAST 93
〈Figure 77〉 Time to detection based on investigation 94
〈Figure 78〉 Methods and types of gas detectors 95
〈Figure 79〉 Methods and types of leak detectors 96
〈Figure 80〉 promotion plan for Detector installation standard 109
〈Figure 81〉 Suggestions for revisions to the guide 110
〈Figure 82〉 Examples of situations to consider when installing a detector 116
〈Figure 83〉 When storage facilities and other facilities exist inside and outside the dike 116
〈Figure 84〉 When storage facilities and transport vehicles exist inside and outside the dike 117
〈Figure 85〉 When chemical equipment is hung in the middle layer and the material of the floor is permeable 117
〈Figure 86〉 In case the chemical equipment is hung in the middle layer and the material of the floor is impermeable 118
〈Figure 87〉 When there is a slope in the storage tank of chemical substances with low volatility 119
〈Figure 88〉 When there is a slope in the storage tank of a chemical with high volatility 119
〈Figure 89〉 Comparison before and after changing the detector installation criteria 122
〈Figure 90〉 Download the e-CA module from the homepage 127
〈Figure 91〉 Change of weather information in e-CA module 128
〈Figure 92〉 Change of process facility information in e-CA module 129
〈Figure 93〉 Change of leak scenario information(facility) of e-CA module 129
〈Figure 94〉 Change of leak scenario information(impact) of e-CA module 130
〈Figure 95〉 Check leak time and pool diameter in e-CA module results 130
〈Figure 96〉 Repeat operation to check leak time and pool diameter over time 131
〈Figure 97〉 Example of pool volume result table 132
〈Figure 98〉 Example of Volume Evaporation Results table 133
〈Figure 99〉 Comparison of pool volume and volume evaporation results 133
〈Figure 100〉 Check the section where the reversal occurs 134