Steam boiler periodic inspection of the classification and their respective technical inspection cycle
蒸汽锅炉定期检验的分类和各自的检验周期技术性探讨
在役锅炉的定期检验分为：外部检验、内部检验和**压实验。
各自周期为：
（1）外部检验：每年不少于一次。
（2）内部检验：结合每次大修进行，其检验内容应列入太康锅炉有限公司锅炉年度大修计划。新投产锅炉运行一年后应进行**内部检验。
（3）**压试验：一般两次大修进行一次（根据设备具体技术状况，经上级锅炉压力容器安全监察机构同意可适当延长或缩短**压实验间隔时间）。**压实验可结合大修进行，列入大修的特殊项目。
The classification of the boiler in service inspection regularly and their respective technical inspection cycle
Regular inspection of the boiler in service can be divided into: the external inspection, internal inspection and overpressure experiments.
Each cycle as follows:
(1) the external inspection: no less than once a year.
(2) internal inspection: combining each overhaul, the inspection items shall be included in the annual overhaul plan of boiler of minzhu boiler co., LTD. One year after the new production of boiler operation should be the internal inspection for the first time.
(3) the overpressure test: general overhaul a twice (according to the specific technical equipment status, with the approval of the superior boiler pressure vessel safety supervision organization can extend or shorten the overpressure experimental time interval). Overpressure experiment can be combined with the overhaul, included in the overhaul of the special projects.
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