| abstract |
The invention provides a rush repair operation method for a valve room of a natural gas pipeline and a rush repair operation device. The rush repair operation method includes a site response, a maintenance and emergency repair unit response, and a natural gas pipeline valve room recovery and emergency repair, wherein the site response includes an alarm report, operation Adjustment, on-site verification, detection and edge detection, personnel evacuation, natural gas control and warning blockade. The response of the maintenance and emergency repair unit includes start-up response, advance departure, assembly loading and survey report. The valve room recovery and emergency repair operations include pipeline shutdown, natural gas venting, nitrogen gas Replacement, approach operations, work pit excavation, pipeline removal, gas isolation, verification of valve foundations, prefabrication reconstruction, restoration and commissioning, valve foundation treatment and landform restoration. The invention has the advantages of improving the emergency repair efficiency of the valve room process of the natural gas pipeline, effectively controlling the leakage of a large amount of natural gas, and improving the emergency response ability, decision-making ability and operation of the emergency commanders and operators of the valve room of the natural gas pipeline. ability. |