設備檢查概論-資料下載頁
2024-09-28 10:24本頁面
【導讀】設備檢查規(guī)劃作業(yè)準則。非破壞性檢測應用。設備檢查為設備完整性的一環(huán)。工場內(nèi)設備應包括固定設備、轉(zhuǎn)動設備、控制。設備檢查知識應函蓋製程方法、設備設計、檢。設備檢查為有計劃性的實施故風險檢測基準,工場大修設備檢查是應用各種檢測和評估技術，對潛在高風險的設備，來決定設備的適用性，大修規(guī)劃目的在使大修檢查工作掌握重點，使。用和檢測資料的保存和更新。依據(jù)之規(guī)範，整理各項設備和管線基本資料，依據(jù)資料之彙整和分析結果列出大修檢查的。依據(jù)實際設備和管線失效風險和損失(火災、設備選定後，應至現(xiàn)場勘查，且清楚圖示檢測位置、範。設備檢測位置選定原則為高溫（爐管）、高應力（法蘭。設備結冰處和線上監(jiān)測異常區(qū)等等。必要時應評估採用較先進之檢測設備。擬定檢查作業(yè)時程表，明列各檢測點檢測所需配合事項。由轄區(qū)部門主管擔任召集人，原則上於大修停爐前。召集檢查、修護、技術、煉研所等部門，以風險基。由檢查部門彙整成「大修檢查計畫」作為大修檢查
【正文】 cting FFS assessments using methodologies specifically prepared for pressurized equipment. The guidelines provided in this Standard can be used to make runrepairreplace decisions to help determine if pressurized equipment containing flaws that have been identified by inspection can continue to operate safely for some period of time. ? These FFS assessments are currently recognized and referenced by the API Codes and Standards (510, 570, amp。 653), and by NB23 as suitable means for evaluating the structural integrity of pressure vessels, piping systems and storage tanks where inspection has revealed degradation and flaws in the equipment. ? The FitnessForService assessment procedures in this Standard cover both the present integrity of the ponent given a current state of damage and the projected remaining life. ? Assessment techniques are included to evaluate flaws including: general and localized corrosion, widespread and localized pitting, blisters and hydrogen damage, weld misalignment and shell distortions, cracklike flaws including environmental cracking, laminations, dents and gouges, and remaining life assessment procedures for ponents operating in the creep range. ? In addition, evaluation techniques are provided for condition assessment of equipment including resistance to brittle fracture, longterm creep damage, and fire damage. FitnessForService assessment procedure ? STEP 1 – Flaw and Damage Mechanism Identification: ? STEP 2 – Applicability and Limitations of the FFS Assessment Procedures: ? STEP 3 – Data Requirements: ? STEP 4 – Assessment Techniques and Acceptance Criteria: ? STEP 5 – Remaining Life Evaluation: ? STEP 6 – Remediation: ? STEP 7 – InService Monitoring: ? STEP 8 – Documentation Applicability and Limitations of the FFS Assessment Procedures ? The FFS assessment procedures in this Standard were developed to evaluate the pressure boundaries of pressure vessels, boiler ponents, piping, and shell courses of storage tanks with a flaw resulting from single or multiple damage mechanisms. ? The concepts presented in this Standard may also be used for the assessment of nonpressureboundary ponents such as supports. ? FitnessForService procedures for fixed and floating roof structures, and bottom plates of tanks are covered in Part 2 of API 653. Assessment Techniques and Acceptance Criteria ? Level 1 Assessment: may be performed either by plant inspection or engineering personnel ? Level 2 Assessment: would typically be conducted by plant engineers,or engineering specialists experienced and knowledgeable in performing FFS assessments. ? Level 3 Assessment: primarily intended for use by engineering specialists experienced and knowledgeable in performing FFS assessments. 結語 ?設備檢查能降低工場意外停爐的事件，但設備檢查非萬能丹，平常巡檢最重要 ?設備檢查的可靠度影響到檢查的品質(zhì)，所以專業(yè)檢查人員必頇 Qualify ?發(fā)覺設備缺失，可利用 FFS方法評估、改善、並監(jiān)控
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