運行鍋爐及壓力容器中的缺陷由產生、發展到事故發生，是要經歷一個過程的。如受壓元件的起槽、開裂、腐蝕、變形等都不是忽然發生的。假如能在大修中進行技術檢查，即進行內、外部檢驗，就能及時發現缺陷，把握它的發展趨勢，采取相應的措施，從而防止事故的發生。
The defects in operating boilers and pressure vessels go through a process from generation and development to accidents. For example, the grooving, cracking, corrosion and deformation of pressure parts are not sudden. If we can carry out technical inspection in overhaul, that is, internal and external inspection, we can find defects in time, grasp its development trend, and take corresponding measures, so as to prevent accidents.
鍋爐管道日常注意事項
Daily precautions for boiler piping
1.各單位應成立防止壓力容器和鍋爐爆漏工作小組，加強管理、技術監督管理和人員培訓考核，健全各級責任制。
1. Each unit shall set up a working group to prevent the explosion and leakage of pressure vessels and boilers, strengthen professional management, technical supervision and management, professional training and assessment, and improve the responsibility system at all levels.
2. 嚴格鍋爐制造、安裝和調試期間的監造和監理。
2. Strictly supervise the boiler manufacturing, installation and commissioning.
3. 防止超壓超溫。
3. Prevent overpressure and overtemperature.
4. 防止設備大面積腐蝕。
4. Prevent large area corrosion of equipment.
5. 防止爐外管爆破。
5. Prevent the tube outside the furnace from blasting.
6. 防止鍋爐四管爆漏。
6. Prevent the four tubes of boiler from bursting and leaking.
7. 防止超(超超)臨界鍋爐高溫受熱面管內氧化皮大面積脫落。
7. Prevent large area of oxide scale falling off in high temperature heating surface tube of ultra supercritical boiler.
8. 奧氏體不銹鋼小管的監督。
8. Supervision of austenitic stainless steel tube.
管道內窺鏡可用于高溫、有毒、核輻射及人眼無法直接觀察到的場所的檢查和觀察，可在不需拆卸或破壞組裝及設備停止運行的情況下實現無損檢測，另外一方面工業內窺鏡還可生成照相、攝像和圖像處理系統，從而進行視場目標的監視、記錄、貯存和圖像分析，為診斷和處理提供很好的保證。
The pipeline endoscope can be used for inspection and observation in places with high temperature, toxicity, nuclear radiation and places that cannot be directly observed by human eyes. It can realize non-destructive testing without dismantling or destroying the assembly and stopping the operation of the equipment. On the other hand, the industrial endoscope can also generate a camera, camera and image processing system to monitor, record, store and analyze the field of view objects, It provides a good guarantee for diagnosis and treatment.
因此，為確保鍋爐及壓力管道的平穩運行，管道的檢查工作必不可少，切實做到防患于未然。
Therefore, in order to ensure the safe and stable operation of the boiler and pressure pipeline, the inspection of the pipeline is essential, so as to prevent the trouble in advance.
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