Practical Research On The Detection Of Damaged Point Of Buried Gas Pipeline

In the city construction of our country,a large number of pipelines have been laid.After many years of operation,the influence of the inner and outer of the urban pipe has been the problem of aging,corrosion and even damage.In order to ensure the normal operation of the city pipeline,the pipeline construction and maintenance management are needed to ensure the anticorrosion construction technology and ensure the service life of the pipeline.According to the provisions of the State Ministry of construction industry standard in CJJ95-2003,to every three years on a pipeline detection,including high-pressure,high-pressure pipeline,to manage the pipeline pressure every five years,every eight years to check a low-pressure pipeline.After about ten years after the coating has undergone some damage,the use cycle,then we should strengthen the inspection of buried pipelines,strengthen the anticorrosion layer insulation resistance,coating defect detection in many aspects,avoid the influence to the safe operation of gas pipelines.Pipeline as if the status and integrity of the pipeline perforation,leakage and other effects,so it should be concerned about the relevant departments.Corrosion status of the gas pipeline,real-time access to the gas pipeline corrosion protection technology information.The application of corrosion detection theory and detection equipment are investigated;according to the Beijing municipal natural gas pipeline and courtyard pipeline corrosion detection as an example,analysis of corrosion and anticorrosion effect confirmation test pipe;according to the actual test results,conducted a comprehensive analysis of gas pipeline corrosion situation,put forward repair,processing the corresponding pipeline scheme;corrosion detection of brothers also carried out research and analysis.